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Abdel-Hakeem SS, Alnasser SM, Meshal A, Abdel-Samiee MAZ, Youssef MSE, Elsadek SHA, Abd-Elrahman SM. Pumpkin seed oil: unveiling its potential in controlling inflammation and pathogenicity during experimental trichinellosis. BMC Vet Res 2024; 20:419. [PMID: 39304848 DOI: 10.1186/s12917-024-04241-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Accepted: 08/22/2024] [Indexed: 09/22/2024] Open
Abstract
BACKGROUND This study aimed to investigate the antiparasitic and anti-inflammatory potential of pumpkin seed oil in mice infected with Trichinella spiralis by demonstrating its impact on MMP-9 expression and pathogenesis during the intestinal and muscular phases. RESULTS In this study, 100 mice were divided into five groups: an infected group, a pumpkin seed oil-treated group (1.5 mg/kg BW, administered three times per week), an albendazole-treated group, a native control group, and a pumpkin oil control group. Gas chromatography-mass spectrometry analysis of the pumpkin seed oil revealed a broad spectrum of biologically active compounds. The pumpkin seed oil treatment led to a significant reduction in the parasite burden, with a 75% decrease in adult worms and a 66% decrease in encysted larvae. Additionally, the infected animals treated with pumpkin oil exhibited a marked reduction in intestinal inflammation, characterized by a progressive increase in goblet cells. The number of encysted larvae in the diaphragm and muscle tissues was also significantly decreased. Furthermore, pumpkin seed oil treatment significantly reduced MMP-9 levels in both intestinal and muscular tissues, highlighting its potential to attenuate inflammation. CONCLUSION These findings underscore the effectiveness of pumpkin seed oil as anti-inflammatory and antiparasitic agent.
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Affiliation(s)
- Sara Salah Abdel-Hakeem
- Parasitology Laboratory, Zoology and Entomology Department, Faculty of Science, Assiut University, Assiut, 71526, Egypt.
| | - Sulaiman Mohammed Alnasser
- Department of Pharmacology and Toxicology, College of Pharmacy, Qassim University, 52571, Buraydah, Saudi Arabia
| | - Alotaibi Meshal
- College of Pharmacy, University of Hafr Albatin, 39911, Hafr Albatin, Saudi Arabia
| | | | - Mohamed Salah Eldin Youssef
- Department of Pathology and Clinical Pathology, Faculty of Veterinary Medicine, Assiut University, Assiut, 71526, Egypt
| | - Shimaa Hamdi Abd Elsadek
- Department of Pathology and clinical pathology, Faculty of Veterinary Medicine, Sphinx University, Assiut University, Assiut, 71526, Egypt
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2
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Roy S, Sarkar T, Upadhye VJ, Chakraborty R. Comprehensive Review on Fruit Seeds: Nutritional, Phytochemical, Nanotechnology, Toxicity, Food Biochemistry, and Biotechnology Perspective. Appl Biochem Biotechnol 2024; 196:4472-4643. [PMID: 37755640 DOI: 10.1007/s12010-023-04674-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/16/2023] [Indexed: 09/28/2023]
Abstract
Fruit seeds are leftovers from a variety of culinary sectors. They are generally unutilized and contribute greatly to global disposals. These seeds not only possess various nutritional attributes but also have many heath-beneficial properties. One way to make use of these seeds is to extract their bioactive components and create fortified food items. Nowadays, researchers are highly interested in creating innovative functional meals and food components from these unconventional resources. The main objective of this manuscript was to determine the usefulness of seed powder from 70 highly consumed fruits, including Apple, Apricot, Avocado, Banana, Blackberry, Blackcurrant, Blueberry, Cherry, Common plum, Cranberry, Gooseberry, Jackfruit, Jamun, Kiwi, Lemon, Mahua, Mango, Melon, Olive, Orange, and many more have been presented. The nutritional attributes, phytochemical composition, health advantages, nanotechnology applications, and toxicity of these fruit seeds have been fully depicted. This study also goes into in-depth detailing on creating useful food items out of these seeds, such as bakery goods, milk products, cereal-based goods, and meat products. It also identifies enzymes purified from these seeds along with their biochemical applications and any research openings in this area.
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Affiliation(s)
- Sarita Roy
- Department of Food Technology and Biochemical Engineering, Jadavpur University, Kolkata, 700032, India
| | - Tanmay Sarkar
- Department of Food Processing Technology, Malda Polytechnic, West Bengal State Council of Technical Education, Govt. of West Bengal, Malda, 732102, India.
| | | | - Runu Chakraborty
- Department of Food Technology and Biochemical Engineering, Jadavpur University, Kolkata, 700032, India.
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3
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Joujou FM, Darra NE, Rajha HN, Sokhn ES, Alwan N. Evaluation of synergistic/antagonistic antibacterial activities of fatty oils from apricot, date, grape, and black seeds. Sci Rep 2024; 14:6532. [PMID: 38503788 PMCID: PMC10951330 DOI: 10.1038/s41598-024-54850-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Accepted: 02/17/2024] [Indexed: 03/21/2024] Open
Abstract
The increasing antimicrobial resistance requires continuous investigation of new antimicrobial agents preferably derived from natural sources. New powerful antibacterial agents can be produced by simply combining oils that are known for their antibacterial activities. In this study, apricot seed oil (ASO), date seed oil (DSO), grape seed oil (GSO), and black seed oil (BSO) alone and in binary mixtures were assessed. Fatty acid profiles of individual oils and oil mixtures showed linoleic acid, oleic acid, palmitic acid, stearic acid, and linolenic acid contents. Linoleic acid was the most abundant fatty acid in all samples except for ASO, where oleic acid was the dominant one. GSO showed the highest total phenolic content while ASO showed the lowest one. Antibacterial screening was performed against Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Proteus mirabilis, and Staphylococcus aureus. Results showed antibacterial activity in all oils against tested strains except for ASO against S. aureus. Highest antibacterial activity recorded was for ASO against P. mirabilis. ASO-GSO mixture (AG) was the best mixture where it showed synergistic interactions against all strains except P. aeruginosa. In conclusion, seed oil mixtures are likely to show promising antibacterial activities against specific strains.
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Affiliation(s)
- Farah M Joujou
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Beirut Arab University, Tarik El Jedidah, Riad El Solh, P.O. Box 115020, Beirut, 1107 2809, Lebanon
| | - Nada El Darra
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Beirut Arab University, Tarik El Jedidah, Riad El Solh, P.O. Box 115020, Beirut, 1107 2809, Lebanon
| | - Hiba N Rajha
- Département de Génie Chimique et Pétrochimique, Faculté d'Ingénierie, Ecole Supérieure, d'Ingénieurs de Beyrouth (ESIB), Université Saint-Joseph de Beyrouth, CST Mkalles Mar, Rokos, Riad El Solh, Beirut, 1107 2050, Lebanon
| | - Elie Salem Sokhn
- Molecular Testing Laboratory, Department of Medical Laboratory Technology, Faculty of Health Sciences, Beirut Arab University, P.O. Box 11-5020, Beirut, Lebanon.
| | - Nisreen Alwan
- Environmental and Public Health Department, College of Health Sciences, Abu Dhabi University, PO Box 59911, Abu Dhabi, UAE.
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Cherif AO, Aderrabba M, Moussa F, Ben Messaouda M. Fatty acids profile in three cultivars of Tunisian apricot oilseeds ( Prunus armeniaca L.): impact of maturity. Nat Prod Res 2024:1-17. [PMID: 38329076 DOI: 10.1080/14786419.2024.2309659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 01/19/2024] [Indexed: 02/09/2024]
Abstract
Profiling's of oil yield and fatty acid were monitored during maturation of three different accession of Tunisian apricots (AprB, AprC and AprO) among different days after flowering (DAF) and grown in two different geographical regions of Tunisia. The first results show that a quick distribution started in immature oilseeds apricot and continued until their full maturity. Nine fatty acids were identified in apricot oilseeds such as palmitic, palmitoleic, stearic, oleic, linoleic, linolenic, arachidic, gadoleic and margaric acids. Palmitic, oleic and linoleic acids were determined as major fatty acids in apricot oil varieties. Interestingly, the content of each fatty acid in the three accessions of apricot varied significantly (p < 0.05) during seeds development and especially in wild apricot AprB. PCA analysis in AprB demonstrate that at the time-date of 41 DAF, the production of fatty acids is in its maximum and could have numerous future therapeutics applications.
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Affiliation(s)
- Aicha O Cherif
- Institut Supérieur des Sciences Infirmières de Tunis, University of Tunis El Manar, Tunis, Tunisia
- Molécules et Applications, University of Carthage, IPEST, Laboratoire Matériaux, La Marsa, Tunisia
| | - Manef Aderrabba
- Molécules et Applications, University of Carthage, IPEST, Laboratoire Matériaux, La Marsa, Tunisia
| | - Fathi Moussa
- IUT d'Orsay, plateau de Moulon, Laboratoire d'Etude des Techniques et Instruments d'Analyse Moléculaire, Orsay, France
| | - Mhamed Ben Messaouda
- Molécules et Applications, University of Carthage, IPEST, Laboratoire Matériaux, La Marsa, Tunisia
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Rodríguez-Blázquez S, Gómez-Mejía E, Rosales-Conrado N, León-González ME, García-Sánchez B, Miranda R. Valorization of Prunus Seed Oils: Fatty Acids Composition and Oxidative Stability. Molecules 2023; 28:7045. [PMID: 37894525 PMCID: PMC10609056 DOI: 10.3390/molecules28207045] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 10/09/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
Prunus fruit seeds are one of the main types of agri-food waste generated worldwide during the processing of fruits to produce jams, juices and preserves. To valorize this by-product, the aim of this work was the nutritional analysis of peach, apricot, plum and cherry seeds using the official AOAC methods, together with the extraction and characterization of the lipid profile of seed oils using GC-FID, as well as the measurement of the antioxidant activity and oxidative stability using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) free-radical scavenging method. Chemometric tools were required for data evaluation and the obtained results indicated that the main component of seeds were oils (30-38%, w). All seed oils were rich in oleic (C18:1n9c) and linoleic (C18:2n6c) acids and presented heart-healthy lipid indexes. Oil antioxidant activity was estimated in the range IC50 = 20-35 mg·mL-1, and high oxidative stability was observed for all evaluated oils during 1-22 storage days, with the plum seed oil being the most antioxidant and stable over time. Oxidative stability was also positively correlated with oleic acid content and negatively correlated with linoleic acid content. Therefore, this research showed that the four Prunus seed oils present interesting healthy characteristics for their use and potential application in the cosmetic and nutraceutical industries.
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Affiliation(s)
- Sandra Rodríguez-Blázquez
- Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, Complutense Avenue, 28040 Madrid, Spain; (S.R.-B.); (E.G.-M.); (N.R.-C.)
- Department of Chemical Engineering and Materials, Faculty of Chemistry, Complutense University of Madrid, Complutense Avenue, 28040 Madrid, Spain; (B.G.-S.); (R.M.)
| | - Esther Gómez-Mejía
- Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, Complutense Avenue, 28040 Madrid, Spain; (S.R.-B.); (E.G.-M.); (N.R.-C.)
| | - Noelia Rosales-Conrado
- Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, Complutense Avenue, 28040 Madrid, Spain; (S.R.-B.); (E.G.-M.); (N.R.-C.)
| | - María Eugenia León-González
- Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, Complutense Avenue, 28040 Madrid, Spain; (S.R.-B.); (E.G.-M.); (N.R.-C.)
| | - Beatriz García-Sánchez
- Department of Chemical Engineering and Materials, Faculty of Chemistry, Complutense University of Madrid, Complutense Avenue, 28040 Madrid, Spain; (B.G.-S.); (R.M.)
| | - Ruben Miranda
- Department of Chemical Engineering and Materials, Faculty of Chemistry, Complutense University of Madrid, Complutense Avenue, 28040 Madrid, Spain; (B.G.-S.); (R.M.)
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Jadhav HB, Raina I, Gogate PR, Annapure US, Casanova F. Sonication as a Promising Technology for the Extraction of Triacylglycerols from Fruit Seeds—A Review. FOOD BIOPROCESS TECH 2023. [DOI: 10.1007/s11947-022-02987-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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Influence of Seeds' Age and Clarification of Cold-Pressed Raspberry ( Rubus idaeus L.) Oil on the DSC Oxidative Stability and Phase Transition Profiles. Foods 2023; 12:foods12020358. [PMID: 36673450 PMCID: PMC9858312 DOI: 10.3390/foods12020358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/27/2022] [Accepted: 01/10/2023] [Indexed: 01/15/2023] Open
Abstract
After cold-pressing, small particles of seed residue remain in raspberry seed oil (RSO), even after passing it through cold filtration. The removal of the remaining seed residue is rather an alternative option to improve the visual properties of RSO. This study investigated the influence that the seeds’ age (0, 10, 20 months) and clarification process after pressing has on the oxidative stability and phase transition of RSO by means of differential scanning calorimetry (DSC). The results proved that the oil centrifugation process reduces the DPPH radical scavenging activity and oxidative stability measured by p-anisidine value (p-AnV) and DSC oxidation induction time (OIT) at 120 °C of all RSO samples, regardless of the age of the seeds (p ≤ 0.05). No significant differences were observed on the DSC melting and crystallization properties at 1 °C/min after the oil clarification by centrifugation (p > 0.05). The storage time of raspberry seeds, i.e., 10 and 20 months after expiry date, influenced the quality deterioration of RSO, as measured by higher p-AnV, lower DPPH, and OIT values (p ≤ 0.05). The results presented provide new information about oil production processing, suggesting that producers should reconsider giving up the clarification process of oil, since it lowers all quality parameters.
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Junaid PM, Dar AH, Dash KK, Ghosh T, Shams R, Khan SA, Singh A, Pandey VK, Nayik GA, Bhagya Raj GVS. Advances in seed oil extraction using ultrasound assisted technology: A comprehensive review. J FOOD PROCESS ENG 2022. [DOI: 10.1111/jfpe.14192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Pir Mohmmad Junaid
- Department of Post‐Harvest Engineering and Technology Faculty of Agricultural Sciences, A.M.U Aligarh Uttar Pradesh India
| | - Aamir Hussain Dar
- Department of Food Technology Islamic University of Science and Technology Pulwama Jammu & Kashmir India
| | - Kshirod Kumar Dash
- Department of Food Processing Technology Ghani Khan Choudhury Institute of Engineering and Technology Narayanpur, Malda West Bengal India
| | - Tabli Ghosh
- Department of Food Engineering and Technology Tezpur University Tezpur Assam India
| | - Rafeeya Shams
- Department of Food Technology and Nutrition Lovely Professional University Phagwara Punjab India
| | - Shafat Ahmad Khan
- Department of Food Technology Islamic University of Science and Technology Pulwama Jammu & Kashmir India
| | - Anurag Singh
- Department of Food Science and Technology National Institute of Food Technology Entrepreneurship and Management Sonipat Haryana India
| | - Vinay Kumar Pandey
- Department of Bioengineering Integral University Lucknow Uttar Pradesh India
| | - Gulzar Ahmad Nayik
- Department of Food Science and Technology Government Degree College Shopian Jammu & Kashmir India
| | - Gurajala Venkata Siva Bhagya Raj
- Department of Food Processing Technology Ghani Khan Choudhury Institute of Engineering and Technology Narayanpur, Malda West Bengal India
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Kobo GK, Kaseke T, Fawole OA. Micro-Encapsulation of Phytochemicals in Passion Fruit Peel Waste Generated on an Organic Farm: Effect of Carriers on the Quality of Encapsulated Powders and Potential for Value-Addition. Antioxidants (Basel) 2022; 11:antiox11081579. [PMID: 36009296 PMCID: PMC9404774 DOI: 10.3390/antiox11081579] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 08/09/2022] [Accepted: 08/12/2022] [Indexed: 11/16/2022] Open
Abstract
The passion (Passiflora edulis Sims) fruit peel is rich in phenolics and other bioactive compounds and has great potential as a natural food preservative. The present study investigated the value-adding potential of passion fruit peel waste generated on an organic farm. The effect of carriers in encapsulating the peel extract to develop a polyphenolic-rich powder was investigated. The passion fruit peel extracts were prepared using 70% ethanol (1:10 w/v), and encapsulated using waxy starch (WS), gum arabic (GA), and maltodextrin (MT) before freeze-drying. The effects of carriers on the passion fruit peel powder (PFPP) production yield, physicochemical, rheological, phytochemical, and antioxidant properties were investigated. GA-and MT-encapsulated powders had better physical, phytochemical, and antioxidant properties, including yield, total soluble solids, solubility, bulk density, total phenolic content, and ferric reducing antioxidant powder. A total of 18 metabolites, including phenolic acids (10), flavonoids (6), and stilbenes (2), were tentatively identified in all the PFPP samples, with WS exhibiting a higher concentration of the compounds compared to GA and MT. Our results indicated that no single carrier was associated with all the quality attributes; therefore, better results could be produced by compositing these carriers. Nonetheless, our results highlight the potential of passion fruit peels as a source of polyphenols and functional ingredient in formulating natural food additives.
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Affiliation(s)
- Gift Kabelo Kobo
- Postharvest Research Laboratory, Department of Botany and Plant Biotechnology, Faculty of Science, University of Johannesburg, Johannesburg 2006, South Africa
| | - Tafadzwa Kaseke
- Postharvest Research Laboratory, Department of Botany and Plant Biotechnology, Faculty of Science, University of Johannesburg, Johannesburg 2006, South Africa
| | - Olaniyi Amos Fawole
- Postharvest Research Laboratory, Department of Botany and Plant Biotechnology, Faculty of Science, University of Johannesburg, Johannesburg 2006, South Africa
- SARChI Postharvest Technology Research Laboratory, Africa Institute for Postharvest Technology, Faculty of AgriSciences, Stellenbosch University, Stellenbosch 7600, South Africa
- Correspondence:
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Borges L, Souto R, Nascimento A, Soares J, Paiva C, Brandi I, Lima J. Chemical characterization of baru oil and its by-product from the northwest region of Minas Gerais, Brazil. GRASAS Y ACEITES 2022. [DOI: 10.3989/gya.0447211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
This study investigated baru oil and partially defatted baru flour from the northwest region of Minas Gerais, Brazil. The physicochemical characterization of the oil was made by determining the fatty acid profile using gas chromatography, lutein, and α- and β- carotenes by means of high-performance liquid chromatography, and total carotenoids by spectrophotometry. The flour was analyzed for its chemical composition, fiber, and mineral contents. Baru oil presented excellent quality parameters and high contents in unsaturated fatty acids and carotenoids. The flour showed relevant levels of proteins, lipids, and dietary fiber, in addition to having representative mineral contents for food such as manganese, magnesium, and copper. Thus, baru oil and the by-product of its extraction offer a rich chemical composition, and their application may add nutritional value to foods in addition to reducing negative environmental impacts.
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11
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Drehmer E, Navarro-Moreno MÁ, Carrera-Juliá S, Moreno ML. A comparative study between olive oil and corn oil on oxidative metabolism. Food Funct 2022; 13:7157-7167. [PMID: 35699154 DOI: 10.1039/d2fo00919f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Fats are an important part of diet, but not all lipids have the same structure and chemical properties. Unsaturated fatty acids have one or more double bonds in their structure and can be monounsaturated or polyunsaturated, respectively. Most vegetable oils, such as olive oil and corn oil, contain significant amounts of these fatty acids. The presence of double bonds in the molecule of a fatty acid constitutes vulnerable sites for oxidation reactions generating lipid peroxides, potentially toxic compounds that can cause cellular damage. In response to this oxidative damage, aerobic organisms have intracellular enzymatic antioxidant defense mechanisms. The aim of the present investigation was to study comparatively the effects of control liquid diets, of a defined composition, containing olive oil or corn oil as a lipid source respectively of monounsaturated and polyunsaturated fatty acids, on the oxidative metabolism of rats. Rats were divided into three groups which received a control animal feed diet (A.F.), olive oil liquid diet (O.O) and corn oil liquid diet (C.O) for 30 days. It was observed that the activity of the antioxidant enzymes superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx), increased in the liver and white fat tissue of rats fed with olive oil when compared to the corn oil group. However, in brown fat tissue and blood cells, the enzyme activities showed a tendency to decrease in the olive oil group. In addition, the effect of olive oil and corn oil on several glucose metabolism parameters (pyruvate, lactate, LDH, acetoacetate and beta-hydroxybutyrate) showed that corn oil impairs to a greater extent the cellular metabolism. All these results helped in concluding that some body tissues are more adversely affected than others by the administration of corn oil or olive oil, and their antioxidant defenses and cellular metabolism respond differently too.
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Affiliation(s)
- Eraci Drehmer
- Department of Health Sciences, Universidad Católica de Valencia "San Vicente Mártir", Valencia, Spain
| | | | - Sandra Carrera-Juliá
- Department of Nutrition and Dietetics, Universidad Católica de Valencia "San Vicente Mártir", Valencia, Spain
| | - Mari Luz Moreno
- Department of Human Physiology and Anatomy, Universidad Católica de Valencia "San Vicente Mártir", C/Ramiro de Maeztu, 14., 46900 Torrente, Valencia, Spain.
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Fallah AA, Sarmast E, Jafari T, Mousavi Khaneghah A. Vegetable oil-based nanoemulsions for the preservation of muscle foods: A systematic review and meta-analysis. Crit Rev Food Sci Nutr 2022; 63:8554-8567. [PMID: 35400244 DOI: 10.1080/10408398.2022.2057415] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
This systematic review and meta-analysis quantified the effects of various vegetable oil-based nanoemulsion (NE) formulations on muscle foods' microbial and chemical quality by estimating the weighted overall response ratio (R*). Treatment of muscle foods with NE formulations reduced the growth rates of total mesophilic bacteria, total psychrophilic bacteria, lactic acid bacteria, and Enterobacteriaceae by 26.2% (R*=0.738), 19% (R*=0.810), 44.7% (R*=0.553), and 31.8% (R*=0.682) during the storage period, respectively. Moreover, the NE formulations retarded the increasing rates of volatile basic-nitrogen content, lipid and protein oxidation, and lipid hydrolysis by 41.4% (R*=0.586), 34% (R*=0.660), 55% (R*=0.450), and 37.1% (R*=0.629), respectively. The NE formulations prepared from safflower, olive, canola, and sunflower oil were more effective than the other vegetable oils to control microbial growth and slow down chemical changes in muscle foods. The combination of nanoemulsions (NEs) and essential oils (EOs) was more efficient than NEs to preserve muscle foods. Packaging NE-treated muscle foods under anaerobic conditions provided better control of microbial growth and chemical changes than packaging under aerobic conditions. Consequently, a combination of vegetable oil-based NEs and EOs followed by anaerobic packaging is the most effective treatment to improve the quality of muscle foods.Supplemental data for this article is available online at https://doi.org/10.1080/10408398.2022.2057415 .
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Affiliation(s)
- Aziz A Fallah
- Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, Shahrekord University, Shahrekord, Iran
| | - Elham Sarmast
- Research Laboratories in Sciences, Applied to Food (LABO-RESALA), INRS Armand-Frappier Health Biotechnology Research Centre, MAPAQ Research Chair in Food Safety and Quality, Canadian Irradiation Centre (CIC), Institute of Nutrition and Functional Foods (INAF), Laval, Quebec, Canada
| | - Tina Jafari
- Department of Biochemistry and Nutrition, Faculty of Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Amin Mousavi Khaneghah
- Department of Food Science and Nutrition, Faculty of Food Engineering, University of Campinas (UNICAMP), Campinas, Sao Paulo, Brazil
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BARRIGA-SÁNCHEZ M, ROSALES-HARTSHORN M. Effects of subcritical water extraction and cultivar geographical location on the phenolic compounds and antioxidant capacity of Quebranta (Vitis vinifera) grape seeds from the Peruvian pisco industry by-product. FOOD SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1590/fst.107321] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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14
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Current trends and next generation of future edible oils. FUTURE FOODS 2022. [DOI: 10.1016/b978-0-323-91001-9.00005-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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15
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Abstract
The rising trend in the consumption of healthy, safe, and functional foods has motivated studies on cold-pressed specialty oils, including macadamia nut oil. Cold-pressed macadamia nut oil (CPMO) is given preference by consumers over solvent extracted and refined oil because of its exceptional quality attributes and safety. This review contains a detailed presentation of the chemical properties, health benefits, and applications of CPMO. The monounsaturated fatty acids (oleic acid and palmitoleic acid) rich oil also contains a significant concentration of bioactive phytochemicals including, β-sitosterol, α-tocopherol, α-tocotrienols, ρ-hydroxybenzoic acid, and caffeic acid. Moreover, the oil has good oxidative stability. The highlighted properties offer CPMO health benefits related to the prevention of cardiovascular diseases, diabetes, cancer, high blood pressure, and neurodegenerative diseases. The fatty acid composition of CPMO allows for its diverse application in the food, cosmetic, nutraceutical, and pharmaceutical industries.
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16
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Pomegranate Fruit Quality and Seed Drying Method: Effect on the Chemical Composition and Bioactivities of the Extracted Oil. Processes (Basel) 2021. [DOI: 10.3390/pr10010003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The study presents a comparative investigation of the composition and bioactivity of oil extracted from pomegranate seeds of sun-burned fruit (SB) and healthy fruit (HF) for the value-adding potential of pomegranate fruit waste. Seeds from SB and HF were independently freeze dried, sun dried, and oven dried before ultrasound-assisted oil extraction using petroleum ether. The extracted oil was analysed for yield, refractive index, ρ-anisidine value, total phenolic content (TPC), DPPH radical scavenging ability, antimicrobial activity, tyrosinase enzyme inhibition ability, and fatty acid composition. The results showed that oven dried seeds, regardless of fruit quality, yielded the highest oil (20.85–24.70%, dry weight). Regardless of the seed drying method, oil from the seeds of SB exhibited the highest TPC (1.48–2.84 mgGAE/g PSO) than oil from the seeds of HF. The oil from oven dried and freeze dried seeds of SB were more effective in scavenging the DPPH radicals with IC50 values of 34.77 and 39.97 µg/mL, respectively. All the oil samples showed good ability to inhibit tyrosinase enzyme regardless of fruit quality and seed drying method, with monophenolase and diphenolase IC50 ranging between 0.31 and 0.49 mg/mL and 0.64 and 2.43 mg/mL, respectively. Irrespective of the drying method, oil extracted from HF seeds exhibited greater antimicrobial potency against the tested bacteria. The fatty acid composition of the oil samples was neither affected by fruit quality and seed drying method. Generally, all oil samples exhibited high levels of punicic acid (81.21–82.68%) and low omega 6 to omega 3 ratios (0.19–0.37%), suggesting that the oil samples were healthy. Principal component analysis (PCA) established that freeze dried seeds of SB is an excellent source of oil with higher TPC, punicic acid, polyunsaturated fatty acids, and unsaturated fatty acid/saturated fatty acid ratio. It can be concluded that the seed from SB is a good raw material for oil that can be utilised in cosmetic products formulation.
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Changes in oxidative stability and phytochemical contents of microencapsulated wheat germ oil during accelerated storage. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2021.101415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Phenolic Analysis and In Vitro Biological Activity of Red Wine, Pomace and Grape Seeds Oil Derived from Vitis vinifera L. cv. Montepulciano d'Abruzzo. Antioxidants (Basel) 2021; 10:antiox10111704. [PMID: 34829574 PMCID: PMC8615145 DOI: 10.3390/antiox10111704] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 10/20/2021] [Accepted: 10/26/2021] [Indexed: 12/23/2022] Open
Abstract
Grape pomace is commonly considered a waste product of monovarietal red wine production. Methods: HPLC-DAD analysis was performed to determine the polyphenol and flavonoid contents of all the extracts obtained from Montepulciano d’Abruzzo red wine and grape skins whereas, GC-MS was applied to the determination of fatty acid composition in grape seeds oil. Biological characterization involves antioxidant and antimicrobial assays for all the extracts and seeds oil; Their ability to inhibit α-glucosidase, α-amylase, α-tyrosinase, and ChE enzymes was also detected, together with anti-inflammatory activity on wine, grape skin extracts, and seeds oil by lipoxygenase (5-LOX) and LPS-stimulated macrophage release assays. Data indicate significative polyphenols content (199.31 ± 7.21 mgGAE/g), antioxidant (CUPRAC assay (1036.98 mgTE/g)), enzymatic inhibition (α-tyrosinase: 151.30 ± 1.20 mgKAE/g) and anti-inflammatory activities for wine-organic extract 2, while the antimicrobial activity of grape skin decoction is higher than those reported by wine extracts on three bacterial strains. Interestingly only dealcoholized wine and wine-aqueous extract exerts inhibitory effects on α-glucosidase (20.62 ± 0.23 mmolACAE/g and 19.81 ± 0.03 mmolACAE/g, respectively), while seeds oil is rich in oleic and linoleic acids. These results confirm the strong antioxidant properties of Montepulciano d’Abruzzo grape pomace, suggesting the potential use of this waste product as functional food supplements in the human diet and in cosmeceutics.
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Kaseke T, Opara UL, Fawole OA. Oxidative stability of pomegranate seed oil from blanched and microwave pretreated seeds: Kinetic and thermodynamic studies under accelerated conditions. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.15798] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tafadzwa Kaseke
- Department of Food Science Stellenbosch University Stellenbosch South Africa
- SARChI Postharvest Technology Research Laboratory, Africa Institute for Postharvest Technology, Faculty of AgriSciences Stellenbosch University Stellenbosch South Africa
| | - Umezuruike Linus Opara
- SARChI Postharvest Technology Research Laboratory, Africa Institute for Postharvest Technology, Faculty of AgriSciences Stellenbosch University Stellenbosch South Africa
- UNESCO International Centre for Biotechnology Nsukka Nigeria
| | - Olaniyi Amos Fawole
- Postharvest Research Laboratory, Department of Botany and Plant Biotechnology University of Johannesburg Johannesburg South Africa
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Flores M, Avendaño V, Bravo J, Valdés C, Forero-Doria O, Quitral V, Vilcanqui Y, Ortiz-Viedma J. Edible Oil Parameters during Deterioration Processes. INTERNATIONAL JOURNAL OF FOOD SCIENCE 2021; 2021:7105170. [PMID: 34568484 PMCID: PMC8463213 DOI: 10.1155/2021/7105170] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 08/03/2021] [Accepted: 08/18/2021] [Indexed: 11/18/2022]
Abstract
With the continuous increase in research on lipids, technologies and the development of chemical-analytical methods associated with the characterization and monitoring of different processes that involve modifications in edible fats are increasing. The beneficial effect of lipids, especially those essential for the health of the population, is widely known. However, degradation compounds are also produced that eventually have negative effects. In this dual context, the monitoring of the changes suffered by nutritional compounds can be obtained thanks to the development of technologies and analytical methods applied to the study of lipids. The modifications that lipids undergo can be followed by a wide variety of methods, ranging from the basic ones associated with simple chemical titrations to the more complex ones associated with sophisticated laboratory equipment. These determinations involve chemical and/or physical quantification of lipids to know an initial condition on the major and minor components. In addition to technologies that allow monitoring during more complex processes such as thermal deterioration, in multiple conditions depending on the objective of the study, this review could benefit a comprehensive understanding of lipid deterioration for future developments and research in the study of fats and oils for human consumption.
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Affiliation(s)
- Marcos Flores
- Departamento de Ciencias Básicas, Facultad de Ciencias, Universidad Santo Tomás, Avenida Carlos Schorr 255, Talca, Chile
| | - Victoria Avendaño
- Departamento de Ciencias Básicas, Facultad de Ciencias, Universidad Santo Tomás, Avenida Carlos Schorr 255, Talca, Chile
| | - Jessica Bravo
- Facultad de Medicina, Centro de Investigación Biomédica, Universidad Diego Portales, Ejército 141, Santiago, Chile
| | - Cristian Valdés
- Centro de Investigación de Estudios Avanzados del Maule, Vicerrectoría de Investigación y Postgrado, Universidad Católica del Maule, Talca, Chile
| | - Oscar Forero-Doria
- Departamento de Ciencias Básicas, Facultad de Ciencias, Universidad Santo Tomás, Avenida Carlos Schorr 255, Talca, Chile
| | - Vilma Quitral
- Escuela de Nutrición y Dietética, Facultad de Salud, Universidad Santo Tomás, Ejercito 146, Santiago, Chile
| | - Yesica Vilcanqui
- Escuela de Ingeniería Agroindustrial, Universidad Nacional de Moquegua, Prolongación Calle Ancash S/N, Moquegua, Peru
| | - Jaime Ortiz-Viedma
- Departamento de Ciencia de los Alimentos y Tecnología Química, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Casilla 233, Santiago, Chile
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Li CJ, Xin MR, Sun ZL. Selection of extraction solvents for edible oils from microalgae and improvement of the oxidative stability. J Biosci Bioeng 2021; 132:365-371. [PMID: 34344605 DOI: 10.1016/j.jbiosc.2021.06.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 06/02/2021] [Accepted: 06/22/2021] [Indexed: 11/19/2022]
Abstract
Microalgae are natural, green raw material and could be used for the development of edible oil for its abundant polyunsaturated fatty acids, with fast growth rate. The wet mud and dry powder of Scenedesmus dimorphus were applied to compare the extraction effects of different organic solvent systems in this study. The results displayed that, by using the ethanol/n-hexane (3:2, v/v) mixed solvent, the oil extraction rate from wet algal mud was 68.31 %, with 71.65 % of neutral lipid, and 1.87 % of vitamin E; the retention rates of protein, chlorophyll, and carbohydrates in the algal residue after oil extraction were 60.56 %, 53.27 %, and 80.20 %, respectively. Through the single solvent n-hexane, the oil extraction rate from dried algal powder was 71.52 %, with 75.86 % of neutral lipids, and 1.63 % of vitamin E. The retention rates of protein, chlorophyll, and carbohydrate were 55.92 %, 61.33 % and 78.35 %, respectively, suggesting the high rate of nutrient retention. In addition, the orthogonal experiments indicated that the compound of low concentration natural antioxidants with 0.010 % of tea polyphenols, 0.005 % of vitamin E, and 0.015 % of rosemary extract had the best effects on improvement of oxidative stability.
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Affiliation(s)
- Chan-Juan Li
- Shandong Technology and Business University, Yantai 264005, China
| | - Meng-Ru Xin
- College of Life Sciences, Yantai University, Yantai 264005, China
| | - Zhong-Liang Sun
- College of Life Sciences, Yantai University, Yantai 264005, China.
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Taborda JAV, Arango WM, Méndez Arteaga JJ, Guerra Almonacid CM. Encapsulation of bioactive compounds from byproducts of two species of passionflowers: evaluation of the physicochemical properties and controlled release in a gastrointestinal model. Heliyon 2021; 7:e07627. [PMID: 34355105 PMCID: PMC8322279 DOI: 10.1016/j.heliyon.2021.e07627] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 03/31/2021] [Accepted: 07/15/2021] [Indexed: 11/19/2022] Open
Abstract
This study aimed to evaluate the release of active components with antioxidant and antihypertensive capacity from encapsulated extracts of the peel and seeds of Gulupa (Passiflora edulis f. edulis) and Cholupa (Passiflora maliformis) in an in vitro gastrointestinal digestion model. Microencapsulated extracts were prepared with enzymatically modified rice starch as the encapsulating material and ethanol extracts of seeds and peel of P. edulis f. edulis and P. maliformis as encapsulated material. Microcapsule characterization was performed by scanning electron microscopy with values of 4.54-5.13 μm and ξ potential values of -6.34 mV and -6.66 mV. Dynamic light scattering (DLS) analysis was conducted with polydispersion values from 1.33 to 1.51, and dispersion stability analysis was also conducted. The total phenol content and antioxidant activities (ABTS, DPPH, and FRAP) and ACE inhibitory activity (in vitro antihypertensive activity) were evaluated after each stage of digestion, with values greater than 80% of activity before gastrointestinal transit and with values greater than 55% activity after the end of gastrointestinal transit. Gastrointestinal evaluation of the encapsulated extracts was performed with an ex vivo model using pig intestines and simulating the conditions of digestion in three phases: the gastric (pH 2.0 with 1.0 M HCl +0.5 g/L pepsin), enteric (pH 8.0 with Krebs solution +1.0 mL/L bile) and final enteric (pH 7.5 Krebs solution only) phases. The microencapsulation of passionflower extracts showed good behavior against changes in pH and enzymatic activities throughout digestion, thus promoting a controlled release and targeted delivery of bioactive compounds, undergoing a paracellular mechanism through the intestinal barrier to preserve the antioxidant activity and ACE inhibitory that was shown by the extracts before encapsulation of the material.
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Affiliation(s)
| | - Walter Murillo Arango
- Chemistry department, GIPRONUT Research Group, Faculty of Sciences, Tolima University, Ibagué, Colombia
| | - Jonh Jairo Méndez Arteaga
- Chemistry department, GIPRONUT Research Group, Faculty of Sciences, Tolima University, Ibagué, Colombia
| | - Carlos Martín Guerra Almonacid
- Pedagogy and Technological Mediations Department, GIRYSOUT Research Group, Distance Education Institute, Tolima University, Ibagué, Colombia
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Oil Content, Fatty Acid Composition, Physicochemical Properties, and Antioxidant Activity of Seed Oils of Ten Moroccan Pomegranate Cultivars. J FOOD QUALITY 2021. [DOI: 10.1155/2021/6617863] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Pomegranate seeds (Punica granatum L.) are quantitatively and qualitatively a relevant agri-food by-product which is rich in molecules beneficial to human health. In order to valorize this resource, this study aims to evaluate and to compare, for the first time, the characteristics of fruit seeds and seed oils of ten pomegranate cultivars grown in the Center of Morocco. Physical and biometric parameters of seeds, fatty acid composition, physicochemical criteria, and antioxidant activity of seed oils were determined. The results showed significant differences between the ten studied cultivars. The seeds yielded oil contents ranging from 17.59% to 24.69% and presented high contents of polyunsaturated fatty acids (PUFAs) exceeding 89%. The major fatty acid was punicic acid, which represented more than 80% of fatty acids, while other fatty acids such as linoleic acid, oleic acid, and palmitic acid could be considered a minority. Oils showed yellow colour due to the contents of chlorophyll (0.12–1.87 mg/kg) and pheophytin (0.39–3.87 mg/kg) and presented high antioxidant activity (IC50: 0.69–1.80 mg/mL). Therefore, the studied pomegranate seeds had a very good oil yield, and these oils have presented an optimal fatty acid composition and high levels of antioxidant activity. Thus, they could be useful in the formulation of novel foods or used as preservatives and functional components in food industry.
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Red Raspberry ( Rubus idaeus L.) Seed Oil: A Review. PLANTS 2021; 10:plants10050944. [PMID: 34065144 PMCID: PMC8151122 DOI: 10.3390/plants10050944] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/24/2021] [Accepted: 05/03/2021] [Indexed: 11/16/2022]
Abstract
Raspberry (Rubus idaeus L.) seed oil (RSO) is considered as a source of high value bioactive compounds as fatty acids, tocopherols, tocotrienols, carotenoids, flavonoids, phytosterols, antioxidants, monoterpenes and many other chemical constituents. These compounds are appreciated as a source of nutrition for humans, as additives in cosmetic production, has immense therapeutic potential. Raspberry seed oil exerts many pharmacological effects included antimicrobial, antioxidant, anti-inflammatory activity and many other effects. The various databases like PubMed and Science Direct were used to identify, analyze and summarize the research literature on raspberries. This review will highlight recent developments of the chemical constituents and nutraceutical and cosmetical effects of RSO. Practical application: analyzed recent researches and international patents containing raspberry seed oil can help practitioners of various industries create new high-value products.
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Kaseke T, Opara UL, Fawole OA. Quality and Antioxidant Properties of Cold-Pressed Oil from Blanched and Microwave-Pretreated Pomegranate Seed. Foods 2021; 10:foods10040712. [PMID: 33810607 PMCID: PMC8066041 DOI: 10.3390/foods10040712] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 03/17/2021] [Accepted: 03/18/2021] [Indexed: 01/14/2023] Open
Abstract
The present research studied the influence of blanching and microwave pretreatment of seeds on the quality of pomegranate seed oil (PSO) extracted by cold pressing. Pomegranate seeds (cv. Acco) were independently blanched (95 ± 2 °C/3 min) and microwave heated (261 W/102 s) before cold pressing. The quality of the extracted oil was evaluated with respect to oxidation indices, refractive index, yellowness index, total carotenoids content, total phenolic content, flavor compounds, fatty acid composition, and 2.2-diphenyl-1-picryl hydrazyl (DPPH) and 2.2-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) radical scavenging capacity. Blanching and microwave pretreatments of seeds before pressing enhanced oil yield, total phenolic content, flavor compounds, and DPPH and ABTS radical scavenging capacity. Although the levels of oxidation indices, including the peroxide value, free fatty acids, acid value, ρ-anisidine value, and total oxidation value, also increased, and the oil quality conformed to the requirements of the Codex Alimentarius Commission (CODEX STAN 19-1981) standard for cold-pressed vegetable oils. On the other hand, blanching and microwave heating of seeds decreased the pomegranate seed oil’s yellowness index, whilst the refractive index was not significantly (p > 0.05) affected. Even though both blanching and microwave pretreatment of seeds added value to the cold-pressed PSO, the oil extracted from blanched seeds exhibited lower oxidation indices. Regarding fatty acids, microwave pretreatment of seeds before cold pressing significantly increased palmitic acid, oleic acid, and linoleic acid, whilst it decreased the level of punicic acid. On the contrary, blanching of seeds did not significantly affect the fatty acid composition of PSO, indicating that the nutritional quality of the oil was not significantly affected. Therefore, blanching of seeds is an appropriate and valuable step that could be incorporated into the mechanical processing of PSO.
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Affiliation(s)
- Tafadzwa Kaseke
- Department of Food Science, Faculty of AgriSciences, Stellenbosch University, Private Bag X1, Stellenbosch 7602, South Africa;
- Faculty of AgriSciences, Africa Institute for Postharvest Technology, South African Research Chair in Postharvest Technology, Stellenbosch University, Private Bag X1, Stellenbosch 7602, South Africa
| | - Umezuruike Linus Opara
- Faculty of AgriSciences, Africa Institute for Postharvest Technology, South African Research Chair in Postharvest Technology, Stellenbosch University, Private Bag X1, Stellenbosch 7602, South Africa
- Correspondence: (U.L.O.); (O.A.F.)
| | - Olaniyi Amos Fawole
- Faculty of AgriSciences, Africa Institute for Postharvest Technology, South African Research Chair in Postharvest Technology, Stellenbosch University, Private Bag X1, Stellenbosch 7602, South Africa
- Department of Botany and Plant Biotechnology, Faculty of Science, University of Johannesburg, P.O. Box 524, Johannesburg 2006, South Africa
- Correspondence: (U.L.O.); (O.A.F.)
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