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Chamorro F, Cassani L, Garcia-Oliveira P, Barral-Martinez M, Jorge AOS, Pereira AG, Otero P, Fraga-Corral M, P. P. Oliveira MB, Prieto MA. Health benefits of bluefin tuna consumption: ( Thunnus thynnus) as a case study. Front Nutr 2024; 11:1340121. [PMID: 38628271 PMCID: PMC11018964 DOI: 10.3389/fnut.2024.1340121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 02/21/2024] [Indexed: 04/19/2024] Open
Abstract
Consumers are increasingly interested in food products with high nutritional value and health benefits. For instance, fish consumption is linked with diverse positive health benefits and the prevention of certain widespread disorders, such as obesity, metabolic syndrome, or cardiovascular diseases. These benefits have been attributed to its excellent nutritional value (large amounts of high-quality fatty acids, proteins, vitamins, and minerals) and bioactive compounds, while being relatively low-caloric. Atlantic bluefin tuna (Thunnus tynnus) is one of the most consumed species worldwide, motivated by its good nutritional and organoleptic characteristics. Recently, some organizations have proposed limitations on its consumption due to the presence of contaminants, mainly heavy metals such as mercury. However, several studies have reported that most specimens hold lower levels of contaminants than the established limits and that their richness in selenium effectively limits the contaminants' bioaccessibility in the human body. Considering this situation, this study aims to provide baseline data about the nutritional composition and the latest evidence regarding the beneficial effects of Atlantic bluefin tuna consumption. A review of the risk-benefit ratio was also conducted to evaluate the safety of its consumption, considering the current suggested limitations to this species' consumption.
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Affiliation(s)
- F. Chamorro
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Instituto de Agroecoloxía e Alimentación (IAA)-CITEXVI, Universidade de Vigo, Vigo, Spain
| | - L. Cassani
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Instituto de Agroecoloxía e Alimentación (IAA)-CITEXVI, Universidade de Vigo, Vigo, Spain
| | - P. Garcia-Oliveira
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Instituto de Agroecoloxía e Alimentación (IAA)-CITEXVI, Universidade de Vigo, Vigo, Spain
| | - M. Barral-Martinez
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Instituto de Agroecoloxía e Alimentación (IAA)-CITEXVI, Universidade de Vigo, Vigo, Spain
| | - A. O. S. Jorge
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Instituto de Agroecoloxía e Alimentación (IAA)-CITEXVI, Universidade de Vigo, Vigo, Spain
- REQUIMTE/Serviço de Bromatologia, Faculdade de Farmácia da Universidade do Porto, Porto, Portugal
| | - A. G. Pereira
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Instituto de Agroecoloxía e Alimentación (IAA)-CITEXVI, Universidade de Vigo, Vigo, Spain
| | - Paz Otero
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Instituto de Agroecoloxía e Alimentación (IAA)-CITEXVI, Universidade de Vigo, Vigo, Spain
| | - M. Fraga-Corral
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Instituto de Agroecoloxía e Alimentación (IAA)-CITEXVI, Universidade de Vigo, Vigo, Spain
| | | | - M. A. Prieto
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Instituto de Agroecoloxía e Alimentación (IAA)-CITEXVI, Universidade de Vigo, Vigo, Spain
- LAQV@REQUIMTE, Department of Chemical Sciences, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
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2
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Küçükgöz K, Echave J, Garcia-Oliveira P, Seyyedi-Mansour S, Donn P, Xiao J, Trząskowska M, Prieto MA. Polyphenolic profile, processing impact, and bioaccessibility of apple fermented products. Crit Rev Food Sci Nutr 2024:1-20. [PMID: 38251987 DOI: 10.1080/10408398.2023.2277353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
Health-promoting foods have become increasingly popular due to intensified consumer interest and awareness of illnesses. There is a global market for apple fruits, which are affordable, nutritious, tasty, and produced in large quantities for direct consumption as well as food processing to make derived products. The food matrix of apples is suitable for fermentation, besides containing a high amount of phenolics and polyphenols. Fermentation of apples is one of the most common methods of preserving apple fruit and its byproducts. With different fermentation techniques, apple fruit can be used to make a wide range of products, such as fermented apple juice, cider, liqueurs, apple cider, apple vinegar and fermented apple solids, because it is not only a low-cost and simple method of processing the fruit, but it can also sometimes increase the bioavailability of nutrients and the levels of components that can improve health and sensory quality. To understand the health benefits of food products and how the fermentation process impacts polyphenols, it is also crucial to observe the effects of digestion on polyphenol bioaccessibility. Polyphenolic profile changes can be observed via both in vitro and in vivo digestion methods; however, in vitro digestion methods have the advantage of observing every step of gastrointestinal track effects and have less cost as well. In this review, the polyphenolic profile, processing impact, and bioaccessibility of apple-fermented products is assessed, with most available studies showing polyphenol profiles and bioaccessibility in apple varieties and fermented apple products.
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Affiliation(s)
- K Küçükgöz
- Department of Food Gastronomy and Food Hygiene, Institute of Human Nutrition Sciences, Warsaw University of Life Sciences-SGGW, Warsaw, Poland
| | - J Echave
- Department of Analytical Chemistry and Food Science, Instituto de Agroecoloxía e Alimentación (IAA) - CITEXVI, Universidade de Vigo, Nutrition and Bromatology Group, Vigo, Spain
| | - P Garcia-Oliveira
- Department of Analytical Chemistry and Food Science, Instituto de Agroecoloxía e Alimentación (IAA) - CITEXVI, Universidade de Vigo, Nutrition and Bromatology Group, Vigo, Spain
| | - S Seyyedi-Mansour
- Department of Analytical Chemistry and Food Science, Instituto de Agroecoloxía e Alimentación (IAA) - CITEXVI, Universidade de Vigo, Nutrition and Bromatology Group, Vigo, Spain
| | - P Donn
- Department of Analytical Chemistry and Food Science, Instituto de Agroecoloxía e Alimentación (IAA) - CITEXVI, Universidade de Vigo, Nutrition and Bromatology Group, Vigo, Spain
| | - J Xiao
- Department of Analytical Chemistry and Food Science, Instituto de Agroecoloxía e Alimentación (IAA) - CITEXVI, Universidade de Vigo, Nutrition and Bromatology Group, Vigo, Spain
- International Joint Research Laboratory of Intelligent Agriculture and Agri-products Processing, Jiangsu University, Zhenjiang, China
| | - Monika Trząskowska
- Department of Food Gastronomy and Food Hygiene, Institute of Human Nutrition Sciences, Warsaw University of Life Sciences-SGGW, Warsaw, Poland
| | - M A Prieto
- Department of Analytical Chemistry and Food Science, Instituto de Agroecoloxía e Alimentación (IAA) - CITEXVI, Universidade de Vigo, Nutrition and Bromatology Group, Vigo, Spain
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Barciela P, Perez-Vazquez A, Prieto MA. Azo dyes in the food industry: Features, classification, toxicity, alternatives, and regulation. Food Chem Toxicol 2023:113935. [PMID: 37429408 DOI: 10.1016/j.fct.2023.113935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 07/06/2023] [Accepted: 07/06/2023] [Indexed: 07/12/2023]
Abstract
Azo dyes, including Tartrazine, Sunset Yellow, and Carmoisine, are added to foods to provide color, but they have no value with regard to nutrition, food preservation, or health benefits. Because of their availability, affordability, stability, and low cost, and because they provide intense coloration to the product without contributing unwanted flavors, the food industry often prefers to use synthetic azo dyes rather than natural colorants. Food dyes have been tested by regulatory agencies responsible for guaranteeing consumer safety. Nevertheless, the safety of these colorants remains controversial; they have been associated with adverse effects, particularly due to the reduction and cleavage of the azo bond. Here, we review the features, classification, regulation, toxicity, and alternatives to the use of azo dyes in food.
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Affiliation(s)
- P Barciela
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E32004, Ourense, Spain
| | - A Perez-Vazquez
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E32004, Ourense, Spain
| | - M A Prieto
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E32004, Ourense, Spain.
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Barciela P, Carpena M, Li NY, Liu C, Jafari SM, Simal-Gandara J, Prieto MA. Macroalgae as biofactories of metal nanoparticles; biosynthesis and food applications. Adv Colloid Interface Sci 2023; 311:102829. [PMID: 36603300 DOI: 10.1016/j.cis.2022.102829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 12/22/2022] [Accepted: 12/22/2022] [Indexed: 12/29/2022]
Abstract
Nanotechnology has opened a new frontier in recent years, capable of providing new ways of controlling and structuring products with greater market value and offering significant opportunities for the development of innovative applications in food processing, preservation, and packaging. Macroalgae (MAG) are the major photoautotrophic group of living beings known as a potential source of secondary metabolites, namely phenolic compounds, pigments, and polysaccharides. Biosynthesis based on the abilities of MAG as "nanobiofactories" targets the use of algal secondary metabolites as reducing agents to stabilize nanoparticles (NPs). Nowadays, most of the studies are focused on the use of metal (Ag, Au) and metal-oxide (CuO, ZnO) NPs derived from algae. The eco-friendly biosynthesis of metal NPs reduces the cost and production time and increases their biocompatibility, due to the presence of bioactive compounds in MAG, making them suitable for a wide variety of applications. These compounds have been attributed to the antimicrobial and antioxidant properties responsible for their application through innovative technologies such as nanoencapsulation, nanocomposites, or biosensors in the food industry. Nevertheless, toxicity is a key factor that should be considered, so the applicable regulation needs to guarantee the safe use of metal NPs. Consequently, the aim of this review will be to compile the available information on MAG-mediated metal NPs, their biosynthesis, and potential food applications.
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Affiliation(s)
- P Barciela
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E32004 Ourense, Spain.
| | - M Carpena
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E32004 Ourense, Spain.
| | - Ning-Yang Li
- College of Food Science and Engineering, Shandong Agricultural University, Tai'an 271018, PR China.
| | - Chao Liu
- Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture and Rural Affairs/Key Laboratory of Agro-Products Processing Technology of Shandong Province/Institute of Agro-Food Science and Technology, Shandong Academy of Agricultural Sciences, 202 Gongye North Road, Jinan 250100, PR China.
| | - S M Jafari
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E32004 Ourense, Spain; Department of Food Materials and Process Design Engineering, Gorgan University of Agricultural Science and Natural Resources, Gorgan, Iran; College of Food Science and Technology, Hebei Agricultural University, Baoding, 071001, PR China.
| | - J Simal-Gandara
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E32004 Ourense, Spain.
| | - M A Prieto
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E32004 Ourense, Spain; Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal.
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5
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Soria‐Lopez A, Garcia‐Perez P, Carpena M, Garcia‐Oliveira P, Otero P, Fraga‐Corral M, Cao H, Prieto MA, Simal‐Gandara J. Challenges for future food systems: From the Green Revolution to food supply chains with a special focus on sustainability. Food Frontiers 2022. [DOI: 10.1002/fft2.173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Affiliation(s)
- A. Soria‐Lopez
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and TechnologyUniversity of VigoOurenseSpain
| | - P. Garcia‐Perez
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and TechnologyUniversity of VigoOurenseSpain
- Department for Sustainable Food ProcessUniversità Cattolica del Sacro Cuore Via Emilia Parmense 84 Piacenza 29122 Italy
| | - M. Carpena
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and TechnologyUniversity of VigoOurenseSpain
| | - P. Garcia‐Oliveira
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and TechnologyUniversity of VigoOurenseSpain
- Centro de Investigação de Montanha (CIMO) Instituto Politécnico de Bragança Bragança Portugal
| | - Paz Otero
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and TechnologyUniversity of VigoOurenseSpain
| | - M. Fraga‐Corral
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and TechnologyUniversity of VigoOurenseSpain
- Centro de Investigação de Montanha (CIMO) Instituto Politécnico de Bragança Bragança Portugal
| | - Hui Cao
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and TechnologyUniversity of VigoOurenseSpain
| | - M. A. Prieto
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and TechnologyUniversity of VigoOurenseSpain
- Centro de Investigação de Montanha (CIMO) Instituto Politécnico de Bragança Bragança Portugal
| | - J. Simal‐Gandara
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and TechnologyUniversity of VigoOurenseSpain
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Carpena M, Garcia-Perez P, Garcia-Oliveira P, Chamorro F, Otero P, Lourenço-Lopes C, Cao H, Simal-Gandara J, Prieto MA. Biological properties and potential of compounds extracted from red seaweeds. Phytochem Rev 2022; 22:1-32. [PMID: 35791430 PMCID: PMC9247959 DOI: 10.1007/s11101-022-09826-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 05/22/2022] [Indexed: 05/03/2023]
Abstract
Macroalgae have been recently used for different applications in the food, cosmetic and pharmaceutical industry since they do not compete for land and freshwater against other resources. Moreover, they have been highlighted as a potential source of bioactive compounds. Red algae (Rhodophyta) are the largest group of seaweeds, including around 6000 different species, thus it can be hypothesized that they are a potential source of bioactive compounds. Sulfated polysaccharides, mainly agar and carrageenans, are the most relevant and exploited compounds of red algae. Other potential molecules are essential fatty acids, phycobiliproteins, vitamins, minerals, and other secondary metabolites. All these compounds have been demonstrated to exert several biological activities, among which antioxidant, anti-inflammatory, antitumor, and antimicrobial properties can be highlighted. Nevertheless, these properties need to be further tested on in vivo experiments and go in-depth in the study of the mechanism of action of the specific molecules and the understanding of the structure-activity relation. At last, the extraction technologies are essential for the correct isolation of the molecules, in a cost-effective way, to facilitate the scale-up of the processes and their further application by the industry. This manuscript is aimed at describing the fundamental composition of red algae and their most studied biological properties to pave the way to the utilization of this underused resource.
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Affiliation(s)
- M. Carpena
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, E-32004 Ourense, Spain
| | - P. Garcia-Perez
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, E-32004 Ourense, Spain
| | - P. Garcia-Oliveira
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, E-32004 Ourense, Spain
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - F. Chamorro
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, E-32004 Ourense, Spain
| | - Paz Otero
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, E-32004 Ourense, Spain
| | - C. Lourenço-Lopes
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, E-32004 Ourense, Spain
| | - Hui Cao
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, E-32004 Ourense, Spain
| | - J. Simal-Gandara
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, E-32004 Ourense, Spain
| | - M. A. Prieto
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, E-32004 Ourense, Spain
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
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Zhang HL, Wang ML, Yi LZ, Högger P, Arroo R, Bajpai VK, Prieto MA, Chen XJ, Simal-Gandara J, Cao H. Stability profiling and degradation products of dihydromyricetin in Dulbecco's modified eagle's medium. Food Chem 2022; 378:132033. [PMID: 35033717 DOI: 10.1016/j.foodchem.2021.132033] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 12/20/2021] [Accepted: 12/31/2021] [Indexed: 11/30/2022]
Abstract
Dihydromyricetin has shown many bioactivities in cell level. However, dihydromyricetin was found to be highly instable in cell culture medium DMEM. Here, the underlying degradation mechanism was investigated via UPLC-MS/MS analysis. Dihydromyricetin was mainly converted into its dimers and oxidized products. At lower temperature, dihydromyricetin in DMEM showed higher stability. Vitamin C increased the stability of dihydromyricetin in DMEM probably due to its high antioxidant potential.
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Affiliation(s)
- H L Zhang
- Institute of Chinese Medical Sciences, University of Macau, Macao, China.
| | - M L Wang
- Institute of Chinese Medical Sciences, University of Macau, Macao, China.
| | - L Z Yi
- Faculty of Agriculture and Food, Kunming University of Science and Technology, Kunming, Yunnan 650500, China.
| | - P Högger
- Institut für Pharmazie und Lebensmittelchemie, Universität Würzburg, 97074 Würzburg, Germany.
| | - R Arroo
- De Montfort University - Leicester School of Pharmacy, The Gateway, Leicester LE1 9BH, UK.
| | - V K Bajpai
- Department of Energy and Materials Engineering, Dongguk University-Seoul, 30 Pildong-ro 1-gil, Seoul 04620, Republic of Korea
| | - M A Prieto
- Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo - Ourense Campus, E-32004 Ourense, Spain.
| | - X J Chen
- Institute of Chinese Medical Sciences, University of Macau, Macao, China.
| | - J Simal-Gandara
- Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo - Ourense Campus, E-32004 Ourense, Spain.
| | - H Cao
- Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo - Ourense Campus, E-32004 Ourense, Spain; College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China
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Chamorro F, Carpena M, Fraga-Corral M, Echave J, Riaz Rajoka MS, Barba FJ, Cao H, Xiao J, Prieto MA, Simal-Gandara J. Valorization of kiwi agricultural waste and industry by-products by recovering bioactive compounds and applications as food additives: A circular economy model. Food Chem 2022; 370:131315. [PMID: 34788958 DOI: 10.1016/j.foodchem.2021.131315] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 09/29/2021] [Accepted: 10/01/2021] [Indexed: 02/05/2023]
Abstract
Currently, agricultural production generates large amounts of organic waste, both from the maintenance of farms and crops (agricultural wastes) and from the industrialization of the product (food industry waste). In the case of Actinidia cultivation, agricultural waste groups together leaves, flowers, stems and roots while food industry by-products are represented by discarded fruits, skin and seeds. All these matrices are now underexploited and so, they can be revalued as a natural source of ingredients to be applied in food, cosmetic or pharmaceutical industries. Kiwifruit composition (phenolic compounds, volatile compounds, vitamins, minerals, dietary fiber, etc.) is an outstanding basis, especially for its high content in vitamin C and phenolic compounds. These compounds possess antioxidant, anti-inflammatory or antimicrobial activities, among other beneficial properties for health, but stand out for their digestive enhancement and prebiotic role. Although the biological properties of kiwi fruit have been analyzed, few studies show the high content of compounds with biological functions present in these by-products. Therefore, agricultural and food industry wastes derived from processing kiwi are regarded as useful matrices for the development of innovative applications in the food (pectins, softeners, milk coagulants, and colorants), cosmetic (ecological pigments) and pharmaceutical industry (fortified, functional, nutraceutical, or prebiotic foods). This strategy will provide economic and environmental benefits, turning this industry into a sustainable and environmentally friendly production system, promoting a circular and sustainable economy.
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Affiliation(s)
- F Chamorro
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E-32004 Ourense, Spain
| | - M Carpena
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E-32004 Ourense, Spain
| | - M Fraga-Corral
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E-32004 Ourense, Spain; Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - J Echave
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E-32004 Ourense, Spain
| | - Muhammad Shahid Riaz Rajoka
- Food and Feed Immunology Group, Laboratory of Animal Food Function, Graduate School of Agricultural Science, Tohoku University, Sendai 980-8572, Japan
| | - Francisco J Barba
- Nutrition and Food Science Area, Preventive Medicine and Public Health, Food Science, Toxicology and Fo-rensic Medicine Department, Universitat de València, Faculty of Pharmacy, Avda, Vicent Andrés Estellés, s/n, Burjassot 46100, València, Spain
| | - Hui Cao
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E-32004 Ourense, Spain
| | - Jianbo Xiao
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E-32004 Ourense, Spain; International Reserch Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang 212013, China
| | - M A Prieto
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E-32004 Ourense, Spain; Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - J Simal-Gandara
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E-32004 Ourense, Spain.
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9
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Otero P, Carpena M, Garcia-Oliveira P, Echave J, Soria-Lopez A, Garcia-Perez P, Fraga-Corral M, Cao H, Nie S, Xiao J, Simal-Gandara J, Prieto MA. Seaweed polysaccharides: Emerging extraction technologies, chemical modifications and bioactive properties. Crit Rev Food Sci Nutr 2021; 63:1901-1929. [PMID: 34463176 DOI: 10.1080/10408398.2021.1969534] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Nowadays, consumers are increasingly aware of the relationship between diet and health, showing a greater preference of products from natural origin. In the last decade, seaweeds have outlined as one of the natural sources with more potential to obtain bioactive carbohydrates. Numerous seaweed polysaccharides have aroused the interest of the scientific community, due to their biological activities and their high potential on biomedical, functional food and technological applications. To obtain polysaccharides from seaweeds, it is necessary to find methodologies that improve both yield and quality and that they are profitable. Nowadays, environmentally friendly extraction technologies are a viable alternative to conventional methods for obtaining these products, providing several advantages like reduced number of solvents, energy and time. On the other hand, chemical modification of their structure is a useful approach to improve their solubility and biological properties, and thus enhance the extent of their potential applications since some uses of polysaccharides are still limited. The present review aimed to compile current information about the most relevant seaweed polysaccharides, available extraction and modification methods, as well as a summary of their biological activities, to evaluate knowledge gaps and future trends for the industrial applications of these compounds.Key teaching pointsStructure and biological functions of main seaweed polysaccharides.Emerging extraction methods for sulfate polysaccharides.Chemical modification of seaweeds polysaccharides.Potential industrial applications of seaweed polysaccharides.Biological activities, knowledge gaps and future trends of seaweed polysaccharides.
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Affiliation(s)
- Paz Otero
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
| | - M Carpena
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
| | - P Garcia-Oliveira
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Bragança, Portugal
| | - J Echave
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
| | - A Soria-Lopez
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
| | - P Garcia-Perez
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
| | - M Fraga-Corral
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Bragança, Portugal
| | - Hui Cao
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
| | - Shaoping Nie
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Nanchang University, Nanchang, China
| | - Jianbo Xiao
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang, China
| | - J Simal-Gandara
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
| | - M A Prieto
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Bragança, Portugal
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Pereira AG, Fraga-Corral M, García-Oliveira P, Jimenez-Lopez C, Lourenço-Lopes C, Carpena M, Otero P, Gullón P, Prieto MA, Simal-Gandara J. Culinary and nutritional value of edible wild plants from northern Spain rich in phenolic compounds with potential health benefits. Food Funct 2021; 11:8493-8515. [PMID: 33034610 DOI: 10.1039/d0fo02147d] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Wild edible plants (WEPs) have been consumed since ancient times. They are considered as non-domesticated plants that grow spontaneously in nature, particularly in forests and bushlands, where they can be found and collected to be incorporated into human nutrition. Increasingly, WEPs are gaining importance as they are potential sources of food due to their nutritional value, besides showing positive health effects and offer innovative applications in haute cuisine. As these autochthonous plants grow naturally in the environment, they are more suitable to adapt to different climatic conditions as well as biotic and abiotic factors. Therefore, a door has been opened for their possible cultivation as they seem to require fewer expenses than other commercially cultivated plants. Moreover, the consumers demand for new products of natural origin that are sustainable and ecologically labeled have also boosted WEPs' recovery and incorporation into the market. In addition, they are considered as promising sources of essential compounds needed not only in human diet including carbohydrates, proteins, and lipids but also of other minor compounds as phenols, vitamins, or carotenoids that have shown numerous beneficial bioactivities such as antioxidants, anti-inflammatory, or anti-tumor activity. The use of these plants rich in bioactive molecules could be beneficial from the health point of view as the human body is not always capable of producing enough defenses, for instance, preventing oxidative damage. In particular, the presence of phenolic compounds in these vegetal matrices is supposed to provide a prophylactic effect against further pathogenesis and disorders related to aging or oxidative stresses. Regarding all this information based on traditional knowledge and ethnobotanical data, different WEPs found in the Northwestern region of Spain were selected, namely, Mentha suaveolens, Glechoma hederacea, Prunus spinosa, Apium nodiflorum, Artemisia absinthium, Silybum marianum, Picris hieracioides, Portulaca oleracea, Crithmum maritimum, and the genus Amaranthus. However, even though tradition and popular knowledge are excellent tools for the exploitation of these plants, it is necessary to develop regulations in this aspect to assure safety and veracity of food products. This article aims to review the main aspects of their bioactive properties, their traditional use, and the possibility of their incorporation into the market as new functional foods, looking at innovative and healthy gastronomic applications.
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Affiliation(s)
- A G Pereira
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain. and Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - M Fraga-Corral
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain. and Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - P García-Oliveira
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain. and Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - C Jimenez-Lopez
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain. and Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - C Lourenço-Lopes
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain.
| | - M Carpena
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain.
| | - Paz Otero
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain. and Department of Pharmacology, Pharmacy and Pharmaceutical Technology, Faculty of Veterinary, University of Santiago of Compostela, 27002 Lugo, Spain
| | - P Gullón
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain.
| | - M A Prieto
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain.
| | - J Simal-Gandara
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain.
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11
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Astray G, Albuquerque BR, Prieto MA, Simal-Gandara J, Ferreira ICFR, Barros L. Stability assessment of extracts obtained from Arbutus unedo L. fruits in powder and solution systems using machine-learning methodologies. Food Chem 2020; 333:127460. [PMID: 32673953 DOI: 10.1016/j.foodchem.2020.127460] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 06/18/2020] [Accepted: 06/28/2020] [Indexed: 11/28/2022]
Abstract
Arbutus unedo L. (strawberry tree) has showed considerable content in phenolic compounds, especially flavan-3-ols (catechin, gallocatechin, among others). The interest of flavan-3-ols has increased due their bioactive actions, namely antioxidant and antimicrobial activities, and by association of their consumption to diverse health benefits including the prevention of obesity, cardiovascular diseases or cancer. These compounds, mainly catechin, have been showed potential for use as natural preservative in foodstuffs; however, their degradation is increased by pH and temperature of processing and storage, which can limit their use by food industry. To model the degradation kinetics of these compounds under different conditions of storage, three kinds of machine learning models were developed: i) random forest, ii) support vector machine and iii) artificial neural network. The selected models can be used to track the kinetics of the different compounds and properties under study without the prior knowledge requirement of the reaction system.
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Affiliation(s)
- G Astray
- Department of Physical Chemistry, Faculty of Science, University of Vigo, 32004 Ourense, Spain.
| | - B R Albuquerque
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - M A Prieto
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E32004 Ourense, Spain
| | - J Simal-Gandara
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E32004 Ourense, Spain
| | - I C F R Ferreira
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
| | - L Barros
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
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12
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García-Oliveira P, Fraga-Corral M, Pereira AG, Prieto MA, Simal-Gandara J. Solutions for the sustainability of the food production and consumption system. Crit Rev Food Sci Nutr 2020; 62:1765-1781. [DOI: 10.1080/10408398.2020.1847028] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- P. García-Oliveira
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
| | - M. Fraga-Corral
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Bragança, Portugal
| | - A. G. Pereira
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Bragança, Portugal
| | - M. A. Prieto
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
| | - J. Simal-Gandara
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
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13
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Silva A, Silva SA, Lourenço-Lopes C, Jimenez-Lopez C, Carpena M, Gullón P, Fraga-Corral M, Domingues VF, Barroso MF, Simal-Gandara J, Prieto MA. Antibacterial Use of Macroalgae Compounds against Foodborne Pathogens. Antibiotics (Basel) 2020; 9:E712. [PMID: 33080894 PMCID: PMC7603221 DOI: 10.3390/antibiotics9100712] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 10/13/2020] [Accepted: 10/13/2020] [Indexed: 12/18/2022] Open
Abstract
The search for food resources is a constant in human history. Nowadays, the search for natural and safe food supplies is of foremost importance. Accordingly, there is a renewed interest in eco-friendly and natural products for substitution of synthetic additives. In addition, microbial contamination of food products during their obtaining and distribution processes is still a sanitary issue, and an important target for the food industry is to avoid food contamination and its related foodborne illnesses. These diseases are fundamentally caused by certain microorganisms listed in this review and classified according to their Gram negative or positive character. Algae have proven to possess high nutritional value and a wide variety of biological properties due to their content in active compounds. Among these capabilities, macroalgae are recognized for having antimicrobial properties. Thus, the present paper revises the actual knowledge of microbial contaminants in the food industry and proposes antimicrobial algal compounds against those pathogenic bacteria responsible for food contamination as valuable molecules for its growth inhibition. The capacity of algae extracts to inhibit some major food pathogen growth was assessed. Moreover, the main applications of these compounds in the food industry were discussed while considering their favorable effects in terms of food safety and quality control.
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Affiliation(s)
- Aurora Silva
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E32004 Ourense, Spain; (A.S.); (C.L.-L.); (C.J.-L.); (M.C.); (P.G.); (M.F.-C.)
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr António Bernardino de Almeida 431, 4200-072 Porto, Portugal; (V.F.D.); (M.F.B.)
| | - Sofia A. Silva
- Departamento de Química, Universidade de Aveiro, 3810-168 Aveiro, Portugal;
| | - C. Lourenço-Lopes
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E32004 Ourense, Spain; (A.S.); (C.L.-L.); (C.J.-L.); (M.C.); (P.G.); (M.F.-C.)
| | - C. Jimenez-Lopez
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E32004 Ourense, Spain; (A.S.); (C.L.-L.); (C.J.-L.); (M.C.); (P.G.); (M.F.-C.)
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - M. Carpena
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E32004 Ourense, Spain; (A.S.); (C.L.-L.); (C.J.-L.); (M.C.); (P.G.); (M.F.-C.)
| | - P. Gullón
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E32004 Ourense, Spain; (A.S.); (C.L.-L.); (C.J.-L.); (M.C.); (P.G.); (M.F.-C.)
| | - M. Fraga-Corral
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E32004 Ourense, Spain; (A.S.); (C.L.-L.); (C.J.-L.); (M.C.); (P.G.); (M.F.-C.)
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - V. F. Domingues
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr António Bernardino de Almeida 431, 4200-072 Porto, Portugal; (V.F.D.); (M.F.B.)
| | - M. Fátima Barroso
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr António Bernardino de Almeida 431, 4200-072 Porto, Portugal; (V.F.D.); (M.F.B.)
| | - J. Simal-Gandara
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E32004 Ourense, Spain; (A.S.); (C.L.-L.); (C.J.-L.); (M.C.); (P.G.); (M.F.-C.)
| | - M. A. Prieto
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E32004 Ourense, Spain; (A.S.); (C.L.-L.); (C.J.-L.); (M.C.); (P.G.); (M.F.-C.)
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14
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Fraga-Corral M, Carpena M, Garcia-Oliveira P, Pereira AG, Prieto MA, Simal-Gandara J. Analytical Metabolomics and Applications in Health, Environmental and Food Science. Crit Rev Anal Chem 2020; 52:712-734. [DOI: 10.1080/10408347.2020.1823811] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- M. Fraga-Corral
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Bragança, Portugal
| | - M. Carpena
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
| | - P. Garcia-Oliveira
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Bragança, Portugal
| | - A. G. Pereira
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Bragança, Portugal
| | - M. A. Prieto
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
| | - J. Simal-Gandara
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo, Ourense, Spain
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15
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Jimenez-Lopez C, Pereira AG, Lourenço-Lopes C, Garcia-Oliveira P, Cassani L, Fraga-Corral M, Prieto MA, Simal-Gandara J. Main bioactive phenolic compounds in marine algae and their mechanisms of action supporting potential health benefits. Food Chem 2020; 341:128262. [PMID: 33038800 DOI: 10.1016/j.foodchem.2020.128262] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 09/11/2020] [Accepted: 09/27/2020] [Indexed: 12/17/2022]
Abstract
Given the growing tendency of consumers to choose products with natural ingredients, food industries have directed scientific research in this direction. In this regard, algae are an attractive option for the research, since they can synthesize a group of secondary metabolites, called phenolic compounds, associated with really promising properties and bioactivities. The objective of this work was to classify the major phenolic compounds, compare the effectiveness of the different extractive techniques used for their extraction, from traditional systems (like heat assisted extraction) to the most advance ones (such as ultrasound, microwave or supercritical fluid extraction); the available methods for identification and quantification; the stability of the enriched extract in phenolic compounds and the main bioactivities described for these secondary metabolites, to offer an overview of the situation to consider if it is possible and/or convenient an orientation of phenolic compounds from algae towards an industrial application.
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Affiliation(s)
- C Jimenez-Lopez
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain; Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - A G Pereira
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain; Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - C Lourenço-Lopes
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain
| | - P Garcia-Oliveira
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain; Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - L Cassani
- Research Group of Food Engineering, Faculty of Engineering, National University of Mar del Plata, RA7600 Mar del Plata, Argentina
| | - M Fraga-Corral
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain; Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - M A Prieto
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain.
| | - J Simal-Gandara
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain.
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16
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Garcia-Oliveira P, Fraga-Corral M, Pereira AG, Lourenço-Lopes C, Jimenez-Lopez C, Prieto MA, Simal-Gandara J. Scientific basis for the industrialization of traditionally used plants of the Rosaceae family. Food Chem 2020; 330:127197. [PMID: 32540521 DOI: 10.1016/j.foodchem.2020.127197] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 03/16/2020] [Accepted: 05/29/2020] [Indexed: 12/29/2022]
Abstract
Plants have been traditionally used for the treatment of different types of illness, due to biomolecules with recognised benefits. Rosaceae family is used in traditional Galician medicine. The following plants Agrimonia eupatoria, Crataegus monogyna, Filipendula ulmaria, Geum urbanum, Potentilla erecta and Rosa canina are usually found in treatments. The aim of this study is to perform an ethnobotanical review about the bioactive compounds of these plants and their different bioactivities, both studied in vitro and in vivo. The nature of the bioactive compounds is varied, highlighting the presence of different phenolic compounds, such as phenolic acids, flavonoids or tannins. Understanding the beneficial effects of the administration of the whole plant or target tissues from A. eupatoria, C. monogyna, F. ulmaria, G. urbanum, P. erecta and R. canina as well as those from their individual compounds could lead to the development of new drugs based on the use of natural ingredients.
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Affiliation(s)
- P Garcia-Oliveira
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain
| | - M Fraga-Corral
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain; Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - A G Pereira
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain; Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - C Lourenço-Lopes
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain
| | - C Jimenez-Lopez
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain; Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - M A Prieto
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain.
| | - J Simal-Gandara
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain.
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17
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Jimenez-Lopez C, Fraga-Corral M, Carpena M, García-Oliveira P, Echave J, Pereira AG, Lourenço-Lopes C, Prieto MA, Simal-Gandara J. Agriculture waste valorisation as a source of antioxidant phenolic compounds within a circular and sustainable bioeconomy. Food Funct 2020; 11:4853-4877. [DOI: 10.1039/d0fo00937g] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Agro-food industrial waste is currently being accumulated, pushing scientists to find recovery strategies to obtain bioactive compounds within a circular bioeconomy. Target phenolic compounds have shown market potential by means of optimization extraction techniques.
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Affiliation(s)
- C. Jimenez-Lopez
- Nutrition and Bromatology Group
- Analytical and Food Chemistry Department
- Faculty of Food Science and Technology
- University of Vigo
- E-32004 Ourense
| | - M. Fraga-Corral
- Nutrition and Bromatology Group
- Analytical and Food Chemistry Department
- Faculty of Food Science and Technology
- University of Vigo
- E-32004 Ourense
| | - M. Carpena
- Nutrition and Bromatology Group
- Analytical and Food Chemistry Department
- Faculty of Food Science and Technology
- University of Vigo
- E-32004 Ourense
| | - P. García-Oliveira
- Nutrition and Bromatology Group
- Analytical and Food Chemistry Department
- Faculty of Food Science and Technology
- University of Vigo
- E-32004 Ourense
| | - J. Echave
- Nutrition and Bromatology Group
- Analytical and Food Chemistry Department
- Faculty of Food Science and Technology
- University of Vigo
- E-32004 Ourense
| | - A. G. Pereira
- Nutrition and Bromatology Group
- Analytical and Food Chemistry Department
- Faculty of Food Science and Technology
- University of Vigo
- E-32004 Ourense
| | - C. Lourenço-Lopes
- Nutrition and Bromatology Group
- Analytical and Food Chemistry Department
- Faculty of Food Science and Technology
- University of Vigo
- E-32004 Ourense
| | - M. A. Prieto
- Nutrition and Bromatology Group
- Analytical and Food Chemistry Department
- Faculty of Food Science and Technology
- University of Vigo
- E-32004 Ourense
| | - J. Simal-Gandara
- Nutrition and Bromatology Group
- Analytical and Food Chemistry Department
- Faculty of Food Science and Technology
- University of Vigo
- E-32004 Ourense
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18
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Roriz CL, Barros L, Prieto MA, Ćirić A, Soković M, Morales P, Ferreira ICFR. Enhancing the antimicrobial and antifungal activities of a coloring extract agent rich in betacyanins obtained from Gomphrena globosa L. flowers. Food Funct 2019; 9:6205-6217. [PMID: 30467561 DOI: 10.1039/c8fo01829d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Although less explored than beetroot (Beta vulgaris L.), the flowers of Gomphrena globosa L. are a very suitable source of betacyanins with strong pigmentation features, together with many other desirable bioactive properties. Thus, the aim of this study was to enhance the antimicrobial and antifungal activities of a pigmented extract obtained from G. globosa flowers by ultrasound assisted extraction (UAE). The procedure was supported with the application of the response surface methodology, a robust optimization technique that allows to study jointly the effects of several variables and responses. To enhance the antimicrobial (Bacillus cereus, Listeria monocytogenes, Escherichia coli and Salmonella typhimurium) and antifungal (Aspergillus flavus, Aspergillus niger, Penicillium ochrochloron and Penicillium verrucosum) activities, the responses were evaluated in terms of the concentrations needed to obtain minimum inhibitory (MIC), minimum bactericidal (MBC) and minimum fungicidal (MFC) concentrations. It was found that the optimal UAE conditions were 10.8 min, 410.5 W, 57.8% of ethanol, and 5 g L-1 of the solid-liquid ratio providing the following response values: (1) from the studied species of bacteria, the MIC ranged from ∼0.15 to 0.35 g L-1 and the MBC ranges were ∼0.30 to 0.65 g L-1; and (2) from the studied fungus species, the MIC ranged from ∼0.20 to 0.30 g L-1 and the MFC ranges were ∼0.40 to 0.65 g L-1. The antibacterial activity dose levels were lower than the antifungal ones. In conclusion, the results obtained in this study highlight extracts from G. globosa flowers as natural sources of betacyanins with application as food colorants with important antimicrobial and antifungal activities.
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Affiliation(s)
- Custódio Lobo Roriz
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
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19
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Caleja C, Barros L, Prieto MA, Bento A, Oliveira MBPP, Ferreira ICFR. Development of a natural preservative obtained from male chestnut flowers: optimization of a heat-assisted extraction technique. Food Funct 2019; 10:1352-1363. [PMID: 30834918 DOI: 10.1039/c8fo02234h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The aim of this work was to optimize the conditions for the extraction of phenolic compounds (PC) from male chestnut flowers using heat-assisted extraction in developing extracts rich in PC for potential industrial application as a natural ingredient. The study conditions of time (t), temperature (T), solvent (S, water-ethanol mixtures) and solid-to-liquid ratio (S/L) were optimized. The responses used were obtained from the quantification of the fourteen major individual PC identified by HPLC-DAD-ESI/MS (seven hydrolysable tannins and seven flavonoids). The recovery of hydrolysable tannins was higher than that of flavonoids, with trigalloyl-HHDP-glucoside being the major one. The conditions that maximized the PC content were t = 20.0 ± 37.7 min, T = 25.0 ± 5.7 °C, S = 0.0 ± 8.7% ethanol and S/L = 82.8 g L-1, producing an extract with 86.5 mg PC g-1 of extract. The results highlight the potential of valorising chestnut flower agro-residues as a productive source of PC for the development of bio-based ingredients for food/pharmaceutical/cosmeceutical industrial applications able to compete with synthetic compounds.
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Affiliation(s)
- Cristina Caleja
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
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20
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Leichtweis MG, Pereira C, Prieto MA, Barreiro MF, Baraldi IJ, Barros L, Ferreira ICFR. Ultrasound as a Rapid and Low-Cost Extraction Procedure to Obtain Anthocyanin-Based Colorants from Prunus spinosa L. Fruit Epicarp: Comparative Study with Conventional Heat-Based Extraction. Molecules 2019; 24:E573. [PMID: 30764526 PMCID: PMC6384548 DOI: 10.3390/molecules24030573] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Accepted: 02/01/2019] [Indexed: 11/17/2022] Open
Abstract
An ultrasound rapid and low-cost procedure for anthocyanin-based colorants from Prunus spinosa L. fruit epicarp was developed, and the advantages were compared with conventional heat-based extraction. To obtain the conditions that maximize anthocyanins' extraction, a response surface methodology was applied using the variables of time, temperature, and ethanol content, in the case of heat extraction, whereas for ultrasound assisted extraction, temperature was replaced by ultrasound power. Two anthocyanin compounds were identified by HPLC-DAD-ESI/MS-namely, cyanidin 3-rutinoside and peonidin 3-rutinoside. The responses used were the extraction yield and the content of the identified anthocyanins. Ultrasound extraction was the most effective method at 5.00 ± 0.15 min, 400.00 ± 32.00 W, and 47.98% ± 2.88% of ethanol obtaining 68.60% ± 2.06% of extracted residue, with an anthocyanin content of 18.17 mg/g (extract-basis) and 11.76 mg/g (epicarp-basis). Overall, a viable green process was achieved that could be used to support pilot-scale studies for industrial production of anthocyanin-based colorants from P. spinosa fruit epicarp.
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Affiliation(s)
- Maria G Leichtweis
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
| | - Carla Pereira
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
| | - M A Prieto
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
- Nutrition and Food Science Group, Department of Analytical and Food Chemistry, CITACA, CACTI, University of Vigo-Vigo Campus, 36310 Vigo, Spain.
| | - Maria Filomena Barreiro
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
- Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials (LSRE-LCM), Polytechnic Institute of Bragança, Campus Santa Apolónia, 5300-253 Bragança, Portugal.
| | - Ilton José Baraldi
- Departamento Acadêmico de Alimentos (DAALM), Universidade Tecnológica Federal do Paraná, Campus Medianeira, 85884-000 Paraná, Brasil.
| | - Lillian Barros
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
| | - Isabel C F R Ferreira
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
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21
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Castell MV, Gutiérrez-Misis A, Sánchez-Martínez M, Prieto MA, Moreno B, Nuñez S, Triano R, de Antonio MP, Mateo C, Cano MD, Garrido A, Julian R, Polentinos E, Rodriguez-Barrientos R, Otero Puime A. Effectiveness of an intervention in multicomponent exercise in primary care to improve frailty parameters in patients over 70 years of age (MEFAP-project), a randomised clinical trial: rationale and study design. BMC Geriatr 2019; 19:25. [PMID: 30691405 PMCID: PMC6348680 DOI: 10.1186/s12877-018-1024-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 12/28/2018] [Indexed: 01/06/2023] Open
Abstract
Background Physical activity may reverse frailty in the elderly, but we encounter barriers to the implementation of exercise programs in this population. Our main aim is to evaluate the effect of a multicomponent physical activity program, versus regular medical practice, on reverting pre-frailty status among the elderly, 12 months post-intervention. Methods Randomized parallel group multicenter clinical trial located in primary care setting, among non-dependent and pre-frail patients > 70 years old, including 190 patients (95 intervention, 95 control group). Intervention: Multicomponent physical activity program (MEFAP, for its acronym in Spanish) with twelve 1.5 h-weekly sessions comprised of: 1. Informative session; 2. Exercises for improving aerobic resistance, muscle strength, propioception-balance and flexibility; and 3. Handing out of at-home exercise chart (twice/week). Main variable: pre-frailty according to the Fried phenotype. Secondary variables: sociodemographic, clinical and functional variables; exercise program adherence, patient satisfaction with the program and quality of life. We will perform an intention-to-treat analysis by comparing the retrogression from pre-frailty (1 or 2 Fried criteria) to robust status (0 Fried criteria) by the end of the intervention, 6 months and 12 months post-intervention. The accumulated incidence in each group will be calculated, as well as the relative risk (RR) and the number needed to treat (NNT) with their corresponding 95% confidence intervals. Protocol was approved by the Ethics Committee Hospital la Paz. Discussion Within the context of regular clinical practice, our results will provide evidence regarding the effects of exercise interventions on frailty among pre-frail older adults, a key population given their significant potential for functional, physical, and mental health improvement. Trial registration NCT03568084. Registered 26 June 2018. Date of enrollment of the first participant to the trial: July 2nd 2018.
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Affiliation(s)
- M V Castell
- Doctor Castroviejo Primary Care Health University Center. Northern Primary Care Health Directorate of the Community of Madrid, Madrid, Spain.,Medicine Department, Family Medicine and Primary Care Division, School of Medicine, Autonoma University of Madrid, C/ Arzobispo Morcillo, 2-4, 28049, Madrid, Spain.,Hospital La Paz Institute for Health Research (IdiPAZ), Madrid, Spain
| | - A Gutiérrez-Misis
- Medicine Department, Family Medicine and Primary Care Division, School of Medicine, Autonoma University of Madrid, C/ Arzobispo Morcillo, 2-4, 28049, Madrid, Spain. .,Hospital La Paz Institute for Health Research (IdiPAZ), Madrid, Spain.
| | - M Sánchez-Martínez
- Hospital La Paz Institute for Health Research (IdiPAZ), Madrid, Spain.,Health Sciences Department, "Santa Teresa de Jesús" Catholic University of Avila, Avila, Spain
| | - M A Prieto
- Valdelasfuentes Primary Care Health Center. Northern Primary Care Health Directorate of the Community of Madrid, Madrid, Spain
| | - B Moreno
- Reina Victoria Primary Care Health University Center. Northern Primary Care Health Directorate of the Community of Madrid, Madrid, Spain
| | - S Nuñez
- Torrelaguna Primary Care Health Center. Northern Primary Care Health Directorate of the Community of Madrid, Madrid, Spain
| | - R Triano
- Miraflores Primary Care Health Center. Northern Primary Care Health Directorate of the Community of Madrid, Madrid, Spain
| | - M P de Antonio
- Colmenar Viejo Norte Primary Care Health Center. Northern Primary Care Health Directorate of the Community of Madrid, Madrid, Spain
| | - C Mateo
- Fuencarral Primary Care Health University Center. Northern Primary Care Health Directorate of the Community of Madrid, Madrid, Spain
| | - M D Cano
- Medicine Department, Family Medicine and Primary Care Division, School of Medicine, Autonoma University of Madrid, C/ Arzobispo Morcillo, 2-4, 28049, Madrid, Spain.,Fuencarral Primary Care Health University Center. Northern Primary Care Health Directorate of the Community of Madrid, Madrid, Spain
| | - A Garrido
- Hospital La Paz Institute for Health Research (IdiPAZ), Madrid, Spain.,Barrio del Pilar Primary Care Health University Center. Northern Primary Care Health Directorate of the Community of Madrid, Madrid, Spain
| | - R Julian
- Doctor Castroviejo Primary Care Health University Center. Northern Primary Care Health Directorate of the Community of Madrid, Madrid, Spain.,Hospital La Paz Institute for Health Research (IdiPAZ), Madrid, Spain
| | - E Polentinos
- Research Network in Health Services and Chronic Diseases (REDISSEC), Madrid, Spain.,Family and Community Teaching Unit Norte. Primary Care Management. Madrid Health Service, Madrid, Spain
| | - R Rodriguez-Barrientos
- Research Network in Health Services and Chronic Diseases (REDISSEC), Madrid, Spain.,Research support Unit. Primary Care Management. Madrid Health Service, Madrid, Spain
| | - A Otero Puime
- Hospital La Paz Institute for Health Research (IdiPAZ), Madrid, Spain.,Preventive Medicine and Public Health Department. Family Medicine and Primary Care Unit. School of Medicine, Autonoma University of Madrid, Madrid, Spain
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22
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Prieto MA, López CJ, Simal-Gandara J. Glucosinolates: Molecular structure, breakdown, genetic, bioavailability, properties and healthy and adverse effects. Adv Food Nutr Res 2019; 90:305-350. [PMID: 31445598 DOI: 10.1016/bs.afnr.2019.02.008] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Glucosinolates are a large group of plant secondary metabolites with nutritional effects and biologically active compounds. Glucosinolates are mainly found in cruciferous plants such as Brassicaceae family, including common edible plants such as broccoli (Brassica oleracea var. italica), cabbage (B. oleracea var. capitata f. alba), cauliflower (B. oleracea var. botrytis), rapeseed (Brassica napus), mustard (Brassica nigra), and horseradish (Armoracia rusticana). If cruciferous plants are consumed without processing, myrosinase enzyme will hydrolyze the glucosinolates to various metabolites, such as isothiocyanates, nitriles, oxazolidine-2-thiones, and indole-3-carbinols. On the other hand, when cruciferous are cooked before consumption, myrosinase is inactivated and glucosinolates could be partially absorbed in their intact form through the gastrointestinal mucosa. This review paper summarizes the glucosinolate molecular breakdown, their genetic aspects from biosynthesis to precursors, their bioavailability (assimilation, absorption, and elimination of these molecules), their sensory properties, identified healthy and adverse effects, as well as the impact of processing on their bioavailability.
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Affiliation(s)
- M A Prieto
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo-Ourense Campus, Ourense, Spain; Nutrition and Food Science Group, Department of Analytical and Food Chemistry, CITACA, CACTI, University of Vigo-Vigo Campus, Vigo, Spain
| | - Cecilia Jiménez López
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo-Ourense Campus, Ourense, Spain; Nutrition and Food Science Group, Department of Analytical and Food Chemistry, CITACA, CACTI, University of Vigo-Vigo Campus, Vigo, Spain
| | - Jesus Simal-Gandara
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo-Ourense Campus, Ourense, Spain.
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23
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Calhelha RC, Martínez MA, Prieto MA, Ferreira ICFR. Mathematical models of cytotoxic effects in endpoint tumor cell line assays: critical assessment of the application of a single parametric value as a standard criterion to quantify the dose-response effects and new unexplored proposal formats. Analyst 2018; 142:4124-4141. [PMID: 28991301 DOI: 10.1039/c7an00782e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The development of convenient tools for describing and quantifying the effects of standard and novel therapeutic agents is essential for the research community, to perform more precise evaluations. Although mathematical models and quantification criteria have been exchanged in the last decade between different fields of study, there are relevant methodologies that lack proper mathematical descriptions and standard criteria to quantify their responses. Therefore, part of the relevant information that can be drawn from the experimental results obtained and the quantification of its statistical reliability are lost. Despite its relevance, there is not a standard form for the in vitro endpoint tumor cell lines' assays (TCLA) that enables the evaluation of the cytotoxic dose-response effects of anti-tumor drugs. The analysis of all the specific problems associated with the diverse nature of the available TCLA used is unfeasible. However, since most TCLA share the main objectives and similar operative requirements, we have chosen the sulforhodamine B (SRB) colorimetric assay for cytotoxicity screening of tumor cell lines as an experimental case study. In this work, the common biological and practical non-linear dose-response mathematical models are tested against experimental data and, following several statistical analyses, the model based on the Weibull distribution was confirmed as the convenient approximation to test the cytotoxic effectiveness of anti-tumor compounds. Then, the advantages and disadvantages of all the different parametric criteria derived from the model, which enable the quantification of the dose-response drug-effects, are extensively discussed. Therefore, model and standard criteria for easily performing the comparisons between different compounds are established. The advantages include a simple application, provision of parametric estimations that characterize the response as standard criteria, economization of experimental effort and enabling rigorous comparisons among the effects of different compounds and experimental approaches. In all experimental data fitted, the calculated parameters were always statistically significant, the equations proved to be consistent and the correlation coefficient of determination was, in most of the cases, higher than 0.98.
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Affiliation(s)
- Ricardo C Calhelha
- Mountain Research Centre (CIMO), ESA, Polytechnic Institute of Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
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24
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Pinela J, Prieto MA, Pereira E, Jabeur I, Barreiro MF, Barros L, Ferreira ICFR. Optimization of heat- and ultrasound-assisted extraction of anthocyanins from Hibiscus sabdariffa calyces for natural food colorants. Food Chem 2018; 275:309-321. [PMID: 30724201 DOI: 10.1016/j.foodchem.2018.09.118] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2018] [Revised: 09/17/2018] [Accepted: 09/19/2018] [Indexed: 12/31/2022]
Abstract
Heat- and ultrasound-assisted extraction methods were applied to recover anthocyanins from Hibiscus sabdariffa calyces. The extraction variables, time (t), ethanol proportion (S), and temperature (T) or ultrasonic power (P), were combined in a 5-level experimental design and analysed by response surface methodology for process optimization. The delphinidin-3-O-sambubioside (C1) and cyanidin-3-O-sambubioside (C2) levels were monitored by LC-DAD-ESI/MSn and used as response criteria. The developed models were successfully fitted to the experimental data and used to determine optimal extraction conditions. UAE was the most efficient method yielding 51.76 mg C1 + C2/g R under optimal conditions (t = 26.1 min, P = 296.6 W and S = 39.1% ethanol, v/v). The dose-response effects of the solid/liquid ratio on the extraction rate were also determined. The anthocyanin levels herein reported are higher than those found in the literature, which support the potential use of H. sabdariffa as a sustainable source of natural colorants with application in different industrial sectors.
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Affiliation(s)
- José Pinela
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - M A Prieto
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal; Nutrition and Bromatology Group, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E32004 Ourense, Spain
| | - Eliana Pereira
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Inès Jabeur
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Maria Filomena Barreiro
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal; Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials (LSRE-LCM), Polytechnic Institute of Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Lillian Barros
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Isabel C F R Ferreira
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
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25
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Backes E, Pereira C, Barros L, Prieto MA, Genena AK, Barreiro MF, Ferreira ICFR. Recovery of bioactive anthocyanin pigments from Ficus carica L. peel by heat, microwave, and ultrasound based extraction techniques. Food Res Int 2018; 113:197-209. [PMID: 30195514 DOI: 10.1016/j.foodres.2018.07.016] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Revised: 06/17/2018] [Accepted: 07/05/2018] [Indexed: 12/19/2022]
Abstract
Due to its coloration, the fig (Ficus carica L.) peel, a by-product of fruit processing and/or consumption, is a potential source of anthocyanin compounds. In the present study different extraction techniques (heat, ultrasound, and microwave) were compared aiming to recover the anthocyanin pigments and optimize its extraction conditions. A response surface methodology tool with three factors and five levels for each factor was used according to a circumscribed central composite design. The variables tested for the heat and microwave extraction methods were time, temperature, and solvent proportion (ethanol/water ratio), meanwhile, for the ultrasound method, the variables tested were the ultrasonic power, time, and solvent proportion. The anthocyanin composition of the extract was determined by HPLC-DAD-ESI/MS, and the used criteria responses were: i) quantification of cyanidin 3-rutinoside (C) in the extracted residue (mg C/g R) and in the dried peel (mg C/g P dw), and the extraction yield of the obtained residue (g R/g P dw). Ultrasound extraction was the most effective method, yielding 3.82 mg C/g R at the optimal global extraction conditions (21 min, 310 W, and 100% of ethanol). Additionally, the solid-to-liquid ratio effect was studied at the optimal conditions, using a dose-response format, in view of its plausible transference to industrial level. For the ultrasound method, an increased non-linear relationship was observed for concentrations in the range 5 to 200 g/L, being the optimal solution close to 150 g/L. In brief, the obtained results show the potential of fig peels as a source of anthocyanin pigments, with potential uses in various industrial fields, such as food, pharmaceutical, and cosmetic.
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Affiliation(s)
- Emanueli Backes
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal; Laboratory of Separation and Reaction Engineering, Laboratory of Catalysis and Materials (LSRE-LCM), Polytechnic Institute of Bragança, Campus Santa Apolónia, 5300-253 Bragança, Portugal
| | - Carla Pereira
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Lillian Barros
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - M A Prieto
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal; Nutrition and Bromatology Group, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E32004 Ourense, Spain
| | - Aziza Kamal Genena
- Departamento Acadêmico de Alimentos (DAALM), Universidade Tecnológica Federal do Paraná, Campus Medianeira, 85884-000 Paraná, Brazil
| | - Maria Filomena Barreiro
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal; Laboratory of Separation and Reaction Engineering, Laboratory of Catalysis and Materials (LSRE-LCM), Polytechnic Institute of Bragança, Campus Santa Apolónia, 5300-253 Bragança, Portugal
| | - Isabel C F R Ferreira
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
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26
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Oludemi T, Barros L, Prieto MA, Heleno SA, Barreiro MF, Ferreira ICFR. Extraction of triterpenoids and phenolic compounds from Ganoderma lucidum: optimization study using the response surface methodology. Food Funct 2018; 9:209-226. [PMID: 29215673 DOI: 10.1039/c7fo01601h] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The extraction of triterpenoids and phenolic compounds from Ganoderma lucidum was optimized by using the response surface methodology (RSM), using heat and ultrasound assisted extraction techniques (HAE and UAE). The obtained results were compared with that of the standard Soxhlet procedure. RSM was applied using a circumscribed central composite design with three variables (time, ethanol content, and temperature or ultrasonic power) and five levels. The conditions that maximize the responses (extraction yield, triterpenoids and total phenolics) were: 78.9 min, 90.0 °C and 62.5% ethanol and 40 min, 100.0 W and 89.5% ethanol for HAE and UAE, respectively. The latter was the most effective, resulting in an extraction yield of 4.9 ± 0.6% comprising a content of 435.6 ± 21.1 mg g-1 of triterpenes and 106.6 ± 16.2 mg g-1 of total phenolics. The optimized extracts were fully characterized in terms of individual phenolic compounds and triterpenoids by HPLC-DAD-ESI/MS. The recovery of the above-mentioned bioactive compounds was markedly enhanced using the UAE technique.
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Affiliation(s)
- Taofiq Oludemi
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
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27
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Prieto-Lage I, Prieto MA, Curran TP, Gutiérrez-Santiago A. An Accurate and Rapid System to Identify Play Patterns in Tennis using Video Recording Material: Break Point Situations as a Case Study. J Hum Kinet 2018; 62:199-212. [PMID: 29922391 PMCID: PMC6006543 DOI: 10.1515/hukin-2017-0170] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The goal of this study was to present an accurate and rapid detection system to identify patterns in tennis, based on t-pattern analysis. As a case study, the break point situations in the final matches of the clay court tournaments played during the seasons 2011 and 2012 between the tennis players Novak Djokovic and Rafael Nadal were chosen. The results show that Nadal achieves a higher conversion rate with respect to Djokovic in the break point situations, independent of the outcome of the match. Some repetitive patterns of both players were revealed in break point circumstances. In long rally sequences (higher than seven hits), the Spanish player won more break points, both serving and receiving, as a result of unforced errors of his opponent’s backhand. In medium rally sequences (between four and seven hits), other factors such as the type, direction or serve location have shown to play an important role in the outcome of the point. The study also reveals that Djokovic frequently commits double faults in these critical situations of the match. This is the first time that t-patterns have been used to analyze the sport of tennis. The technique is based on computer vision algorithms and video recording material to detect particular relationships between events and helps to discover the hidden mechanistic sequences of tennis players.
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Affiliation(s)
- Iván Prieto-Lage
- Faculty of Education and Sports Sciences, University of Vigo, Vigo, Spain
| | - M A Prieto
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, Vigo, Spain
| | - Thomas P Curran
- UCD School of Biosystems and Food Engineering, University College Dublin, Belfield, Dublin 4, Ireland
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de la Figuera M, Cinza S, Egocheaga I, Marín N, Prieto MA. Clinical characteristics and management of patients with atrial fibrillation treated with direct oral anticoagulants according to blood pressure control. Hipertens Riesgo Vasc 2018; 35:e1-e9. [PMID: 29454558 DOI: 10.1016/j.hipert.2018.01.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 01/10/2018] [Accepted: 01/12/2018] [Indexed: 11/16/2022]
Abstract
OBJECTIVE To determine the clinical characteristics and management of hypertensive patients with nonvalvular atrial fibrillation (AF) treated with direct oral anticoagulants (DOACs) according to blood pressure (BP) control. METHODS For this purpose, data from two observational, cross-sectional and multicenter studies were combined. In both studies, patients on chronic treatment with anticoagulants and that were on current treatment with DOACs at least for 3 months were included. Adequate BP was defined as a systolic BP<140mmHg and a diastolic BP<90mmHg (<140/85mmHg if diabetes). RESULTS Overall, 1036 patients were included. Of these, 881 (85%) had hypertension that were finally analyzed. The presence of other risk factors and cardiovascular disease was common. Mean BP was 132.6±14.3/75.2±9.2mmHg and 70.5% of patients achieved BP goals. Those patients with a poor BP control had more frequently diabetes, and a history of prior labile INR. Patients had a high thromboembolic risk, but without significant differences according to BP control. By contrast, more patients with a poor BP control had a higher bleeding risk (HAS-BLED ≥3: 24.0% vs 35.4%; P<0.001). HAS-BLED score was an independent predictor of poor BP control (odds ratio 1.435; 95% confidence interval 1.216-1.693; P<0.001). Satisfaction with anticoagulant treatment was independent of BP control. CONCLUSIONS More than two thirds of our patients with hypertension and AF anticoagulated with DOACs achieve BP targets, what is clearly superior to that reported in the general hypertensive population.
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Affiliation(s)
| | - S Cinza
- CS Porto do Son, Santiago de Compostela, Spain
| | | | - N Marín
- Bayer Hispania S.L., General Medicine CV, Barcelona, Spain.
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Oludemi T, Barros L, Prieto MA, Heleno SA, Barreiro MF, Ferreira ICFR. Extraction of triterpenoids and phenolic compounds from Ganoderma lucidum: optimization study using the response surface methodology. Food Funct 2018. [PMID: 29215673 DOI: 10.1039/c7fo01601h.10.1039/c7fo01601h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2023]
Abstract
The extraction of triterpenoids and phenolic compounds from Ganoderma lucidum was optimized by using the response surface methodology (RSM), using heat and ultrasound assisted extraction techniques (HAE and UAE). The obtained results were compared with that of the standard Soxhlet procedure. RSM was applied using a circumscribed central composite design with three variables (time, ethanol content, and temperature or ultrasonic power) and five levels. The conditions that maximize the responses (extraction yield, triterpenoids and total phenolics) were: 78.9 min, 90.0 °C and 62.5% ethanol and 40 min, 100.0 W and 89.5% ethanol for HAE and UAE, respectively. The latter was the most effective, resulting in an extraction yield of 4.9 ± 0.6% comprising a content of 435.6 ± 21.1 mg g-1 of triterpenes and 106.6 ± 16.2 mg g-1 of total phenolics. The optimized extracts were fully characterized in terms of individual phenolic compounds and triterpenoids by HPLC-DAD-ESI/MS. The recovery of the above-mentioned bioactive compounds was markedly enhanced using the UAE technique.
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Affiliation(s)
- Taofiq Oludemi
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
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Roriz CL, Barros L, Prieto MA, Morales P, Ferreira ICFR. Floral parts of Gomphrena globosa L. as a novel alternative source of betacyanins: Optimization of the extraction using response surface methodology. Food Chem 2017; 229:223-234. [PMID: 28372168 DOI: 10.1016/j.foodchem.2017.02.073] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Revised: 02/11/2017] [Accepted: 02/15/2017] [Indexed: 11/24/2022]
Abstract
The present study describes a novel mechanical process for the pigmented parts of Gomphrena globosa L. The effects of the variables of the maceration extraction of betacyanins have not been properly described. Therefore, this study also aims to optimize the conditions that maximize betacyanins extraction from G. globosa as an alternative source. Assisted by response surface methodology, an experimental design was developed for testing the extraction variables (time, temperature, ethanol-water proportion and solid-liquid ratio). The responses used were betacyanins quantification (by HPLC-PDA-MS/ESI and spectrophotometric analysis), the extraction-yield and the colour intensity of the produced powder. The betacyanins identified were gomphrenin and isogomphrenin II and III. The highest betacyanins content (∼45mg/g) was obtained by 165min, 25°C, 0% of ethanol and 5g/L of solid-liquid ratio. The betacyanins content from the floral parts of G. globosa is higher than those normally found in other sources highlighting its industrial application.
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Affiliation(s)
- Custódio Lobo Roriz
- Mountain Research Centre (CIMO), ESA, Polytechnic Institute of Bragança, Campus de Santa Apolónia, Apartado 1172, 5300-253 Bragança, Portugal; Dpto. Nutrición y Bromatología II, Facultad de Farmacia, Universidad Complutense de Madrid (UCM), Plaza Ramón y Cajal, s/n, E-28040 Madrid, Spain
| | - Lillian Barros
- Mountain Research Centre (CIMO), ESA, Polytechnic Institute of Bragança, Campus de Santa Apolónia, Apartado 1172, 5300-253 Bragança, Portugal; Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials (LSRE-LCM), Polytechnic Institute of Bragança, Campus de Santa Apolónia, 1134, 5301-857 Bragança, Portugal.
| | - M A Prieto
- Mountain Research Centre (CIMO), ESA, Polytechnic Institute of Bragança, Campus de Santa Apolónia, Apartado 1172, 5300-253 Bragança, Portugal; Nutrition and Bromatology Group, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E32004 Ourense, Spain
| | - Patricia Morales
- Dpto. Nutrición y Bromatología II, Facultad de Farmacia, Universidad Complutense de Madrid (UCM), Plaza Ramón y Cajal, s/n, E-28040 Madrid, Spain
| | - Isabel C F R Ferreira
- Mountain Research Centre (CIMO), ESA, Polytechnic Institute of Bragança, Campus de Santa Apolónia, Apartado 1172, 5300-253 Bragança, Portugal.
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Pinela J, Prieto MA, Antonio AL, Carvalho AM, Oliveira MBPP, Barros L, Ferreira ICFR. Ellagitannin-rich bioactive extracts of Tuberaria lignosa: insights into the radiation-induced effects in the recovery of high added-value compounds. Food Funct 2017. [DOI: 10.1039/c7fo00500h] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Functional extracts with the highest concentration of ellagitannins were obtained from samples irradiated at 5 kGy, extracted for 10 min.
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Affiliation(s)
- José Pinela
- Mountain Research Centre (CIMO)
- ESA
- Polytechnic Institute of Bragança
- 5300-253 Bragança
- Portugal
| | - M. A. Prieto
- Mountain Research Centre (CIMO)
- ESA
- Polytechnic Institute of Bragança
- 5300-253 Bragança
- Portugal
| | - Amilcar L. Antonio
- Mountain Research Centre (CIMO)
- ESA
- Polytechnic Institute of Bragança
- 5300-253 Bragança
- Portugal
| | - Ana Maria Carvalho
- Mountain Research Centre (CIMO)
- ESA
- Polytechnic Institute of Bragança
- 5300-253 Bragança
- Portugal
| | | | - Lillian Barros
- Mountain Research Centre (CIMO)
- ESA
- Polytechnic Institute of Bragança
- 5300-253 Bragança
- Portugal
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Revelles O, Tarazona N, García JL, Prieto MA. Carbon roadmap from syngas to polyhydroxyalkanoates in Rhodospirillum rubrum. Environ Microbiol 2015; 18:708-20. [PMID: 26472698 DOI: 10.1111/1462-2920.13087] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Accepted: 10/11/2015] [Indexed: 11/30/2022]
Abstract
The gasification of organic waste materials to synthesis gas (syngas), followed by microbial fermentation, provides a significant resource for generating bioproducts such as polyhydroxyalkanoates (PHA). The anaerobic photosynthetic bacterium, Rhodospirillum rubrum, is an organism particularly attractive for the bioconversion of syngas into PHAs. In this study, a quantitative physiological analysis of R. rubrum was carried out by implementing GC-MS and HPLC techniques to unravel the metabolic pathway operating during syngas fermentation that leads to PHA production. Further, detailed investigations of the central carbon metabolites using (13) C-labelled substrate showed significant CO2 assimilation (of 40%) into cell material and PHA from syngas carbon fraction. By a combination of quantitative gene expression and enzyme activity analyses, the main role of carboxylases from the central carbon metabolism in CO2 assimilation was shown, where the Calvin-Benson-Bassham cycle (CBB) played a minor role. This knowledge sheds light about the biochemical pathways that contribute to synthesis of PHA during syngas fermentation being valuable information to further optimize the fermentation process.
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Affiliation(s)
- O Revelles
- Department of Environmental Biology, Centro de Investigaciones Biológicas, Consejo Superior de Investigaciones Científicas (CSIC), 28040, Madrid, Spain
| | - N Tarazona
- Department of Environmental Biology, Centro de Investigaciones Biológicas, Consejo Superior de Investigaciones Científicas (CSIC), 28040, Madrid, Spain
| | - J L García
- Department of Environmental Biology, Centro de Investigaciones Biológicas, Consejo Superior de Investigaciones Científicas (CSIC), 28040, Madrid, Spain
| | - M A Prieto
- Department of Environmental Biology, Centro de Investigaciones Biológicas, Consejo Superior de Investigaciones Científicas (CSIC), 28040, Madrid, Spain
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33
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Prieto MA, Prieto I, Vázquez JA, Ferreira ICFR. An environmental management industrial solution for the treatment and reuse of mussel wastewaters. Sci Total Environ 2015; 538:117-128. [PMID: 26298254 DOI: 10.1016/j.scitotenv.2015.07.041] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2015] [Revised: 07/07/2015] [Accepted: 07/08/2015] [Indexed: 06/04/2023]
Abstract
In the North-West of Spain, the annual production of mussel is 2×10(6)t (35% of the world). The industrial thermal treatment of mussels generates between 300 and 400L/t wastewaters that are continuously disposed into the sea without previous treatment and or further reuse. These effluents, relatively rich in organic matter (7g glycogen/L and 25g COD/L), contribute to the progressive deterioration of the marine ecosystem. We wish to suggest a biotechnological process, based on a laboratory optimization and industrial pre-scale trials, to transform these industrial effluents into a growth culture medium to produce microbial biomass. Furthermore, this biomass is isolated and treated by different optimized separation and purification processes to produce several bioproducts: 1) single cell protein; 2) cell wall material with a high content in glucans and glycoproteins 3) fractions of 1,3-β-glucans and mannoproteins from yeast cell walls hydrolysis; and 4) a potential antioxidant extract. Finally, the authors propose a scaled process for its industrial application. In consequence, we believe that this work provides an environmentally friendly, eco-designed and profitable solution that allows integrating the mussel industry into the ecosystem in a sustainable way.
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Affiliation(s)
- M A Prieto
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E32004 Ourense, Spain.
| | - I Prieto
- Faculty of Education and Sport, University of Vigo, Pontevedra, Spain
| | - J A Vázquez
- Grupo de Reciclado y Valorización de Materiales Residuales (REVAL), Instituto de Investigacións Mariñas (IIM-CSIC), Vigo 36208, Spain
| | - Isabel C F R Ferreira
- Mountain Research Centre (CIMO), ESA, Polytechnic Institute of Bragança, Campus de Santa Apolónia, 1172, 5301-855 Bragança, Portugal
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Prieto MA, Vazquez JA, Murado MA. A new and general model to describe, characterize, quantify and classify the interactive effects of temperature and pH on the activity of enzymes. Analyst 2015; 140:3587-602. [DOI: 10.1039/c4an02136c] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The common approachvs.the modern approach to analyze the effects of temperature and pH on the activity of enzymes.
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Affiliation(s)
- M. A. Prieto
- Superior de Investigaciones Científicas
- Instituto de Investigaciones Marinas (IIM-CSIC)
- Spain
| | - J. A. Vazquez
- Superior de Investigaciones Científicas
- Instituto de Investigaciones Marinas (IIM-CSIC)
- Spain
| | - M. A. Murado
- Superior de Investigaciones Científicas
- Instituto de Investigaciones Marinas (IIM-CSIC)
- Spain
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Prieto MA, Vázquez JA, Murado MA. Crocin bleaching antioxidant assay revisited: application to microplate to analyse antioxidant and pro-oxidant activities. Food Chem 2014; 167:299-310. [PMID: 25148992 DOI: 10.1016/j.foodchem.2014.06.114] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2012] [Revised: 06/09/2014] [Accepted: 06/29/2014] [Indexed: 11/30/2022]
Abstract
The crocin bleaching assay (CBA) is a common method for evaluating the antioxidant activity of hydrosoluble samples. It is criticised due to its low reproducibility, problematic quantification of results, differences in reagent preparation, doubtful need for a preheating phase and sensitivity to factors such as temperature, pH, solvents and metals. Here, the critical points of the method were extensively revised, and a highly reproducible procedure for microplate readers redeveloped. The problems of using quantification procedures, disregarding kinetic considerations, are discussed in detail and a model is proposed for quantifying simultaneously anti- and pro-oxidant activities as function of concentration and time. Thus, the combined use of a reproducible procedure and robust mathematical modeling produced consistent and meaningful criteria for comparative characterization of any oxidation modifier, taking into account the dose-time-dependent behaviour. The method was verified by characterising several commercial antioxidants and some metal compounds using the parametric values of the proposed models. The activity of the tested antioxidants decreased in the order ETX>TR>PG>AA>TBHQ>BHA. Others, such as the lipophilic antioxidants of BHT and α-Tocopherol did not show any activity. Interference from metals were for Fe(2+), Fe(3+), Cd(2+), Ni(2+), Mg(2+), Zn(2+) and Sr(2+), slightly antioxidant for Cu(1+) and Cu(2+), and strongly antioxidant for Mn(2+). None of the tested metals showed a pro-oxidant activity.
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Affiliation(s)
- M A Prieto
- Grupo de Reciclado e Valorización de Materiais Residuais (REVAL), Instituto de Investigacións Mariñas (IIM-CSIC), r/Eduardo Cabello, 6., Vigo 36208, Galicia, Spain.
| | - J A Vázquez
- Grupo de Reciclado e Valorización de Materiais Residuais (REVAL), Instituto de Investigacións Mariñas (IIM-CSIC), r/Eduardo Cabello, 6., Vigo 36208, Galicia, Spain
| | - M A Murado
- Grupo de Reciclado e Valorización de Materiais Residuais (REVAL), Instituto de Investigacións Mariñas (IIM-CSIC), r/Eduardo Cabello, 6., Vigo 36208, Galicia, Spain
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Prieto MA, Vázquez JA, Murado MA. A critical point: the problems associated with the variety of criteria to quantify the antioxidant capacity. J Agric Food Chem 2014; 62:5472-5484. [PMID: 24834881 DOI: 10.1021/jf5005995] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The oxidant action implies interfering in an autocatalytic process, in which no less than five chemical species are present (oxygen, oxidizable substrate, radicals, antioxidants, and oxidation products); furthermore, reactions of first and second order can take place, and interactions can occur, at several levels of the process. The common and incorrect practice is to use the single-time dose-response of an established antioxidant as a calibration curve to compute the equivalent antioxidant capacity of a sample, which is only tested at one single time-dose, assuming too many false aspects as true. Its use is unreasonable, given the availability of computational applications and instrumental equipment that, combined, provide the adequate tools to work with different variables in nonlinear models. The evaluation of the dose-time dependency of the response of the β-carotene method as a case study, using the combination of strong quantification procedures and a high amount of results with lower experimental error (applying microplate readers), reveals the lack of meaning of single-time criteria. Also, it demonstrates that, in most of the reactions, the time-dependent response in the oxidation process is inherently nonlinear and should not be standardized at one single time, because it would lead to unreliable results, hiding the real aspects of the response. In food matrices, the application of single-time criteria causes deficiencies in the control of the antioxidant content. Therefore, it is logical that, in the past decade, researchers have claimed consensus to increase the determination and effectiveness of antioxidant responses.
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Affiliation(s)
- M A Prieto
- Group of Recycling and Valorization of Waste Materials (REVAL), Research Marine Institute (IIM-CSIC) , Vigo 36208, Spain
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Murado MA, Prieto MA. NOEC and LOEC as merely concessive expedients: two unambiguous alternatives and some criteria to maximize the efficiency of dose-response experimental designs. Sci Total Environ 2013; 461-462:576-586. [PMID: 23756217 DOI: 10.1016/j.scitotenv.2013.04.098] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2013] [Revised: 04/30/2013] [Accepted: 04/30/2013] [Indexed: 06/02/2023]
Abstract
NOEC and LOEC (no and lowest observed effect concentrations, respectively) are toxicological concepts derived from analysis of variance (ANOVA), a not very sensitive method that produces ambiguous results and does not provide confidence intervals (CI) of its estimates. For a long time, despite the abundant criticism that such concepts have raised, the field of the ecotoxicology is reticent to abandon them (two possible reasons will be discussed), adducing the difficulty of clear alternatives. However, this work proves that a debugged dose-response (DR) modeling, through explicit algebraic equations, enables two simple options to accurately calculate the CI of substantially lower doses than NOEC. Both ANOVA and DR analyses are affected by the experimental error, response profile, number of observations and experimental design. The study of these effects--analytically complex and experimentally unfeasible--was carried out using systematic simulations with realistic data, including different error levels. Results revealed the weakness of NOEC and LOEC notions, confirmed the feasibility of the proposed alternatives and allowed to discuss the--often violated--conditions that minimize the CI of the parametric estimates from DR assays. In addition, a table was developed providing the experimental design that minimizes the parametric CI for a given set of working conditions. This makes possible to reduce the experimental effort and to avoid the inconclusive results that are frequently obtained from intuitive experimental plans.
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Affiliation(s)
- M A Murado
- Instituto de Investigacións Mariñas (CSIC), r/Eduardo Cabello 6, 36208-Vigo, Galicia, Spain
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Prieto MA, Rodríguez-Amado I, Vázquez JA, Murado MA. β-Carotene assay revisited. application to characterize and quantify antioxidant and prooxidant activities in a microplate. J Agric Food Chem 2012; 60:8983-8993. [PMID: 22849655 DOI: 10.1021/jf302218g] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
The β-carotene bleaching assay, a common method for evaluating antioxidant activity, has been widely criticized due to its low reproducibility, problematic quantification, complex reagent preparation, and interference of different factors (temperature, pH, solvents, and metals). In this work we have examined the effects of these factors and developed a highly reproducible procedure for microplate assay, evaluated the critical points of the method, and proposed a kinetic model for quantifying both antioxidant and prooxidant activities. The application of these tools produced very consistent results, which provide robust and meaningful criteria to compare in detail the characteristics of several well-known commercial antioxidants, as well as several predictable prooxidants, and can be easily applied to natural extracts, food samples, and many other type of compounds. As an example, we have tested a set of commercial antioxidants and some typical lipophilic prooxidants. The activity of the tested antioxidants decreased in the following order: ethoxyquin ≫ α-tocopherol > butylhydroxyanisole > butylhydroxytoluene ≫ propyl gallate. On the other hand, hemoglobin and Fe(2+), Fe(3+), Co(2+), and Cu(2+) showed a strong prooxidant effect, and the activity was null in Cd(2+), Ni(2+), and Sr(2+), slightly antioxidant in Mg(2+), and strongly antioxidant in Zn(2+) and Mn(2+).
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Affiliation(s)
- M A Prieto
- Grupo de Reciclado e Valorización de Materiais Residuais (REVAL), Instituto de Investigacións Mariñas (CSIC) , r/Eduardo Cabello 6, Vigo-36208, Galicia, Spain. . e s
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Escapa IF, del Cerro C, García JL, Prieto MA. The role of GlpR repressor inPseudomonas putidaKT2440 growth and PHA production from glycerol. Environ Microbiol 2012; 15:93-110. [DOI: 10.1111/j.1462-2920.2012.02790.x] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Escapa IF, García JL, Bühler B, Blank LM, Prieto MA. The polyhydroxyalkanoate metabolism controls carbon and energy spillage in Pseudomonas putida. Environ Microbiol 2012; 14:1049-63. [PMID: 22225632 DOI: 10.1111/j.1462-2920.2011.02684.x] [Citation(s) in RCA: 80] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
The synthesis and degradation of polyhydroxyalkanoates (PHAs), the storage polymer of many bacteria, is linked to the operation of central carbon metabolism. To rationalize the impact of PHA accumulation on central carbon metabolism of the prototype bacterium Pseudomonas putida, we have revisited PHA production in quantitative physiology experiments in the wild-type strain vs. a PHA negative mutant growing under low nitrogen conditions. When octanoic acid was used as PHA precursor and as carbon and energy source, we have detected higher intracellular flux via acetyl-CoA in the mutant strain than in the wild type, which correlates with the stimulation of the TCA cycle and glyoxylate shunt observed on the transcriptional level. The mutant defective in carbon and energy storage spills the additional resources, releasing CO(2) instead of generating biomass. Hence, P. putida operates the metabolic network to optimally exploit available resources and channels excess carbon and energy to storage via PHA, without compromising growth. These findings demonstrate that the PHA metabolism plays a critical role in synchronizing global metabolism to availability of resources in PHA-producing microorganisms.
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Affiliation(s)
- I F Escapa
- Environmental Biology Department, Centro de Investigaciones Biológicas, CSIC, 28040 Madrid, Spain
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Prieto MA, Escudero MJ, Suess A, March JC, Ruiz A, Danet A. [Patients' opinions and expectations about the dialysis care process]. An Sist Sanit Navar 2011; 34:21-31. [PMID: 21532643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
BACKGROUND To determine the experiences and needs of patients on dialysis, in order to identify critical points of the care process and develop proposals for improvement. METHODS Qualitative study using semistructured interviews with 22 patients on hemodialysis and peritoneal dialysis, from the Andalusian Health Service. Discourse analysis, using the SERVQUAL model. Triangulation of results. RESULTS The diagnostic stage is described as the hardest moment as it requires acceptance of the disease. During hemodialysis, we see both positive adaptation and the perception of a diminished quality of life. The technique of peritoneal dialysis is evaluated positively, enabling greater independence, despite requiring more responsibility for self care. The contact with patients' organizations or the provision of a counseling service are valued as an aid in the process. With respect to different dimensions of the SERVQUAL model, human treatment and professional competence are valued. The critical points are lack of coordination, malfunctioning of transportation and lack of transparency in the management of waiting lists. Shortcomings in dealing with informal caregivers and the level of knowledge of professionals from areas other than Nephrology, also appear as deficiencies. CONCLUSIONS The main proposals for improving the dialysis process are: attention to psychosocial aspects, the improvement of organizational aspects such as transport, and greater attention to informal caregivers.
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Affiliation(s)
- M A Prieto
- Escuela Andaluza de Salud Pública, Granada, Spain
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Prieto MA, Suess A, March JC, Danet A, Corral OP, Martín A. [Opinions and expectations of patients with health problems associated to asbestos exposure]. An Sist Sanit Navar 2011; 34:33-42. [PMID: 21532644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
BACKGROUND The prevalence of diseases related to asbestos exposure requires the development of monitoring programs and specific health care protocols. The aim of this study is to determine the opinions and expectations of former workers of an asbestos factory, in order to adapt the care process to the needs of the affected population, and to learn about the activity of the association that represents them. METHODS Qualitative study. Focus groups with former employees of a corrugated asbestos factory, members of the association AVIDA (Seville). Recording and transcription of interviews. Discourse analysis with Nudist Vivo 1.0. RESULTS All respondents have health problems, including asbestosis, lung cancer and mesothelioma. Through the association, they are involved in an ongoing process of negotiation with the public administration, to improve healthcare, achieve recognition as having an occupational disease and the payment of compensation. The lack of monitoring and continuity in care is designated as the major problem in the current care process. They welcome the creation of special care units, the good treatment received and the quality of technical instruments in the public health system. On the contrary, they criticize the difficulties in finding an accurate diagnosis, the lack of continuity of care, and the bureaucratic difficulties and lack of specific care directed to affected relatives. The participants' expectations highlight their intention to participate in the development of future programs and protocols. CONCLUSIONS This study confirms the multifactor nature of diseases related to asbestos exposure and the importance of determining the needs and demands of the affected population in order to improve health care.
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Affiliation(s)
- M A Prieto
- Escuela Andaluza de Salud Pública, Granada, Spain
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Arroyo M, García-Hidalgo J, Villalón M, de Eugenio L, Hormigo D, Acebal C, García JL, Prieto MA, de la Mata I. Characterization of a novel immobilized biocatalyst obtained by matrix-assisted refolding of recombinant polyhydroxyoctanoate depolymerase from Pseudomonas putida KT2442 isolated from inclusion bodies. J Ind Microbiol Biotechnol 2010; 38:1203-9. [DOI: 10.1007/s10295-010-0898-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2010] [Accepted: 10/30/2010] [Indexed: 10/18/2022]
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Galán B, Dinjaski N, Maestro B, de Eugenio LI, Escapa IF, Sanz JM, García JL, Prieto MA. Nucleoid-associated PhaF phasin drives intracellular location and segregation of polyhydroxyalkanoate granules in Pseudomonas putida KT2442. Mol Microbiol 2010; 79:402-18. [PMID: 21219460 DOI: 10.1111/j.1365-2958.2010.07450.x] [Citation(s) in RCA: 94] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The PhaF is a nucleoid-associated like protein of Pseudomonas putida KT2442 involved in the polyhydroxyalkanoate (PHA) metabolism. Its primary structure shows two modular domains; the N-terminal PHA granule-binding domain (phasin domain) and the C-terminal half containing AAKP-like tandem repeats characteristic of the histone H1 family. Although the PhaF binding to PHA granules and its role as transcriptional regulator have been previously demonstrated, the cell physiology meaning of these properties remains unknown. This work demonstrates that PhaF plays a crucial role in granule localization within the cell. TEM and flow cytometry studies of cells producing granules at early growth stage demonstrated that PhaF directs the PHA granules to the centre of the cells, forming a characteristic needle array. Our studies demonstrated the existence of two markedly different cell populations in the strain lacking PhaF protein, i.e. cells with and without PHA. Complementation studies definitively demonstrated a key role of PhaF in granule segregation during the cell division ensuring the equal distribution of granules between daughter cells. In vitro studies showed that PhaF binds DNA through its C-terminal domain in a non-specific manner. All these findings suggested a main role of PhaF in PHA apparatus through interactions with the segregating chromosome.
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Affiliation(s)
- B Galán
- Department of Environmental Biology, Centro de Investigaciones Biológicas, CSIC, C/Ramiro de Maeztu, 9, 28040 Madrid, Spain
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Vázquez JA, Docasal SF, Prieto MA, González MAP, Murado MA. Growth and metabolic features of lactic acid bacteria in media with hydrolysed fish viscera. An approach to bio-silage of fishing by-products. Bioresour Technol 2008; 99:6246-6257. [PMID: 18226525 DOI: 10.1016/j.biortech.2007.12.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2007] [Revised: 12/03/2007] [Accepted: 12/03/2007] [Indexed: 05/25/2023]
Abstract
The reparameterization of two classic growth models (the logistic and Gompertz equations), and the dynamic modification of the integrated form of the first of these, was applied to the description of the kinetics and metabolic behaviour of six strains of lactic acid bacteria in four media: three of these from visceral waste from fishing products, and one commercial medium. The descriptions obtained -always consistent models and statistically significant parameters- provided a wide range of reliable numerical values on notable characteristics of microbial growth and bioproductions, which allowed the assessment of the individual systems by direct comparison, and also the suggesting of the potentially most suitable groups (of species of fish and of bacteria) for bio-silage processes.
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Affiliation(s)
- J A Vázquez
- Grupo de Reciclado y Valorización de Materiales Residuales, Instituto de Investigacións Mariñas (CSIC), r/Eduardo Cabello, 6.36208 Vigo-36208, Galicia, Spain.
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March JC, Suess A, Prieto MA, Escudero MJ, Nebot M, Cabeza E, Pallicer A. [Dietary behavior disorders: opinions and expectancies on prevention and treatment strategies from the perspective of the several social actors]. NUTR HOSP 2006; 21:4-12. [PMID: 16562806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2023] Open
Abstract
AIMS The prevalence increase of Eating Disorders in the last decades emphasizes the necessity to develop strategies from the public healthcare system which include the perspective of the principal implicated social actors. The present study aims to know their opinions and expectations regarding the prevention and treatment of Eating Disorders. METHODS Realization of 5 focus groups (with relatives, adolescents, professionals from the health and educational sector, representatives from institutions and support groups) and 14 semi-structured interviews (with Eating Disorder patients and relatives) about strengths and weaknesses of actual prevention and treatment programs, expectations of change and suggestions for improvement. Analysis of contents and triangulation of results. RESULTS The absence of resources and knowledge about Eating Disorders, the scarcity of transversal programs and insufficient coordination were named as the main weaknesses whereas interdisciplinary pilot programs were positively valued. As principal demands, major endowment of human and material resources, increased coverage of specialized services, promotion of specific training and improvement of coordination was asked for. Regarding prevention, preference toward an unspecific approach to the subject in order to hinder imitation between young people was highlighted. The care in Day Hospitals was considered one of the most appropriate treatment modalities for the characteristics of this disease being valued the potentially therapeutic effect of contact between Eating Disorder patients. The support network, the education field and the family were named as other important pillars in a multidisciplinary approach to the disease. There was also a demand for the development of combined programs. CONCLUSIONS The discussion of different psychotherapeutic approaches, the role of support groups in the caring network as well as the post-hospital follow-up were identified as issues open to future research.
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Affiliation(s)
- J C March
- Red de Centros de Investigación en Epidemiología y Salud Pública, Escuela Andaluza de Salud Pública, España
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March JC, Prieto MA. [Mass media and transplantation]. Nefrologia 2002; 21 Suppl 4:77-85. [PMID: 11642186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023] Open
Affiliation(s)
- J C March
- Escuela Andaluza de Salud Pública Apdo. de Correos 2070 18080 Granada.
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Abstract
Although Escherichia coli has long been recognized as the best-understood living organism, little was known about its abilities to use aromatic compounds as sole carbon and energy sources. This review gives an extensive overview of the current knowledge of the catabolism of aromatic compounds by E. coli. After giving a general overview of the aromatic compounds that E. coli strains encounter and mineralize in the different habitats that they colonize, we provide an up-to-date status report on the genes and proteins involved in the catabolism of such compounds, namely, several aromatic acids (phenylacetic acid, 3- and 4-hydroxyphenylacetic acid, phenylpropionic acid, 3-hydroxyphenylpropionic acid, and 3-hydroxycinnamic acid) and amines (phenylethylamine, tyramine, and dopamine). Other enzymatic activities acting on aromatic compounds in E. coli are also reviewed and evaluated. The review also reflects the present impact of genomic research and how the analysis of the whole E. coli genome reveals novel aromatic catabolic functions. Moreover, evolutionary considerations derived from sequence comparisons between the aromatic catabolic clusters of E. coli and homologous clusters from an increasing number of bacteria are also discussed. The recent progress in the understanding of the fundamentals that govern the degradation of aromatic compounds in E. coli makes this bacterium a very useful model system to decipher biochemical, genetic, evolutionary, and ecological aspects of the catabolism of such compounds. In the last part of the review, we discuss strategies and concepts to metabolically engineer E. coli to suit specific needs for biodegradation and biotransformation of aromatics and we provide several examples based on selected studies. Finally, conclusions derived from this review may serve as a lead for future research and applications.
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Affiliation(s)
- E Díaz
- Department of Molecular Microbiology, Centro de Investigaciones Biológicas, Consejo Superior de Investigaciones Científicas, 28006 Madrid, Spain.
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Sastre JA, Prieto MA, Garzón JC, Muriel C. Left-sided cardiac gas embolism produced by hydrogen peroxide: intraoperative diagnosis using transesophageal echocardiography. Anesth Analg 2001; 93:1132-4, table of contents. [PMID: 11682381 DOI: 10.1097/00000539-200111000-00013] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
IMPLICATIONS We present a case of an adult who suffered a left-sided gas embolism after surgical lavage of the thoracic cavity with hydrogen peroxide. An intraoperative diagnosis was made using transesophageal echocardiography.
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Affiliation(s)
- J A Sastre
- Anesthesiology Service, University Hospital of Salamanca, Salamanca, Spain.
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