1
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Wang G, Kumar Y. Mechanisms of the initial stage of non-enzymatic oxidation of wine: A mini review. J Food Sci 2024; 89:2530-2545. [PMID: 38563093 DOI: 10.1111/1750-3841.17038] [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: 10/10/2023] [Revised: 02/18/2024] [Accepted: 03/04/2024] [Indexed: 04/04/2024]
Abstract
Non-enzymatic oxidation is a primary factor affecting wine quality during bottling or aging. Although red and white wines exhibit distinct responses to oxidation over time, the fundamental mechanisms driving this transformation remain remarkably uniform. Non-enzymatic oxidation of wine commences with the intricate interplay between polyphenols and oxygen, orchestrating a delicate redox dance with iron and copper. Notably, copper emerges as an accelerant in this process. To safeguard wine integrity, sulfur dioxide (SO2) is routinely introduced to counteract the pernicious effects of oxidation by neutralizing hydrogen peroxide and quinone. In this comprehensive review, the initial stages of non-enzymatic wine oxidation are examined. The pivotal roles played by polyphenols, oxygen, iron, copper, and SO2 in this complex oxidative process are systematically explored. Additionally, the effect of quinone formation on wine characteristics and the intricate dynamics governing oxygen availability are elucidated. The potential synergistic or additive effects of iron and copper are probed, and the precise balance between SO2 and oxygen is scrutinized. This review summarizes the mechanisms involved in the initial stages of non-enzymatic oxidation of wine and anticipates the potential for further research.
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Affiliation(s)
- Guanghao Wang
- Department of Agricultural and Food Sciences, University of Bologna, Cesena, FC, Italy
| | - Yogesh Kumar
- Department of Agricultural and Food Sciences, University of Bologna, Cesena, FC, Italy
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2
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Zeng Y, Li X, Yuan K, Chen B, Zhang W, Wang C, Sun J, Ramaswamy HS, Bai W. Formation of hydroxyphenyl-pyranoanthocyanins derived from cyanidin-3-O-glucoside and effects of high-pressure processing on the transformation efficiency. Food Chem 2023; 408:135247. [PMID: 36566539 DOI: 10.1016/j.foodchem.2022.135247] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 12/03/2022] [Accepted: 12/16/2022] [Indexed: 12/23/2022]
Abstract
Hydroxyphenyl-pyranoanthocyanins (PACNs), derived from anthocyanins (ACNs) reacted with hydroxycinnamic acids, have higher practical application value because of better physicochemical stability than their precursors. However, the slow formation rate restricted their broader applications. In the present study, cyanidin-3-O-glucoside (C3G) was chosen to react with four kinds of hydroxycinnamic acids in a model solution. Changes of color and the production of hydroxyphenyl-PACNs were monitored. The formation of derivatives was time-dependent, and the orange-yellow changing trend was correlated with the formation of PACNs and the consumption of C3G. In addition, high-pressure processing (HPP) as a widely-used non-thermal processing method in the food industry was conducted to investigate its impact on hydroxyphenyl-PACNs formation. The results showed that HPP significantly improves the yield of two types of hydroxyphenyl-PACNs (C3G-4-vinylcatechol and C3G-4-vinylphenol) and the retention of total residual pigments during 56 days of storage. Therefore, HPP contributed to color-protecting and the transformation of hydroxyphenyl-PACNs.
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Affiliation(s)
- Yingyu Zeng
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Guangdong Engineering Technology Center of Food Safety Molecular Rapid Detection, Jinan University, Guangzhou 510632, PR China
| | - Xusheng Li
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Guangdong Engineering Technology Center of Food Safety Molecular Rapid Detection, Jinan University, Guangzhou 510632, PR China
| | - Kailan Yuan
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Guangdong Engineering Technology Center of Food Safety Molecular Rapid Detection, Jinan University, Guangzhou 510632, PR China
| | - Bo Chen
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Guangdong Engineering Technology Center of Food Safety Molecular Rapid Detection, Jinan University, Guangzhou 510632, PR China
| | - Wenbao Zhang
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Guangdong Engineering Technology Center of Food Safety Molecular Rapid Detection, Jinan University, Guangzhou 510632, PR China
| | - Chao Wang
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Guangdong Engineering Technology Center of Food Safety Molecular Rapid Detection, Jinan University, Guangzhou 510632, PR China
| | - Jianxia Sun
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, PR China
| | - Hosahalli S Ramaswamy
- Department of Food Science and Agricultural Chemistry, Macdonald Campus of McGill University, Montr ́eal, QC, Canada
| | - Weibin Bai
- Department of Food Science and Engineering, Institute of Food Safety and Nutrition, Guangdong Engineering Technology Center of Food Safety Molecular Rapid Detection, Jinan University, Guangzhou 510632, PR China.
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3
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Liu W, Wang X, Ren J, Zheng C, Wu H, Meng F, Ling K, Qi X, Zhou M, Wang Y, Gu R, Han L, Zhang Y. Preparation, characterization, identification, and antioxidant properties of fermented acaí (
Euterpe oleracea
). Food Sci Nutr 2023. [DOI: 10.1002/fsn3.3274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023] Open
Affiliation(s)
- Wen‐Ying Liu
- Engineering Laboratory for Agro Biomass Recycling & Valorizing College of Engineering, China Agricultural University Beijing People's Republic of China
| | - Xue Wang
- Heilongjiang Feihe Dairy Co., Ltd. Beijing People's Republic of China
| | - Jie Ren
- Beijing Engineering Research Center of Protein and Functional Peptides China National Research Institute of Food and Fermentation Industries Co., Ltd. Beijing People's Republic of China
| | - Cheng‐Dong Zheng
- Heilongjiang Feihe Dairy Co., Ltd. Beijing People's Republic of China
| | - Han‐Shuo Wu
- Beijing Engineering Research Center of Protein and Functional Peptides China National Research Institute of Food and Fermentation Industries Co., Ltd. Beijing People's Republic of China
| | - Fan‐Tong Meng
- Heilongjiang Feihe Dairy Co., Ltd. Beijing People's Republic of China
| | - Kong Ling
- Beijing Engineering Research Center of Protein and Functional Peptides China National Research Institute of Food and Fermentation Industries Co., Ltd. Beijing People's Republic of China
| | - Xiu‐Yu Qi
- Heilongjiang Feihe Dairy Co., Ltd. Beijing People's Republic of China
| | - Ming Zhou
- Beijing Engineering Research Center of Protein and Functional Peptides China National Research Institute of Food and Fermentation Industries Co., Ltd. Beijing People's Republic of China
| | - Yue Wang
- Heilongjiang Feihe Dairy Co., Ltd. Beijing People's Republic of China
| | - Rui‐Zeng Gu
- Beijing Engineering Research Center of Protein and Functional Peptides China National Research Institute of Food and Fermentation Industries Co., Ltd. Beijing People's Republic of China
| | - Lu‐Jia Han
- Engineering Laboratory for Agro Biomass Recycling & Valorizing College of Engineering, China Agricultural University Beijing People's Republic of China
| | - Yong‐Jiu Zhang
- Heilongjiang Feihe Dairy Co., Ltd. Beijing People's Republic of China
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4
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Poblete R, Cortes E, Pérez N, Maldonado MI. Use of vinasse and coffee waste as chelating agent of photo-Fenton landfill leachate treatment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:5037-5046. [PMID: 35974283 DOI: 10.1007/s11356-022-22573-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 08/12/2022] [Indexed: 06/15/2023]
Abstract
This research studies the use of vinasse (VS) coming from Pisco and caffeic acid (Caa) from solid coffee waste as chelating agents of this process, to carry out a photo-Fenton process using UVc lamps of 254-nm wavelength for 60 min, at the natural pH of the landfill leachate (8.9). Without the chelating agent, there was a removal of UV 254 and COD of 54.2% and 54.7%, respectively, when the photo-Fenton reaction was carried out at pH 3; at pH 6, the removal of UV 254 and COD was 13.1% and 39.2%, respectively, and at pH 8.9, the elimination of UV 254 and COD was 10.8% and 16.1%, respectively. When Caa was used in the landfill leachate (LL) for the photo-catalytic processes carried out at pH 8.9, a removal of 24.1%, 43.0%, and 47.4% of UV 254 was obtained using 5 mg/L, 50 mg/L, and 100 mg/L of Caa. The removal of UV 254 was 27.3%, 30.7%, and 36.3% using 5 mg/L, 50 mg/L, and 100 mg/L of VS, respectively, and the removal of COD was 32.2%, 35.4%, and 39.2% using 5 mg/L, 50 mg/L, and 100 mg/L of VS, respectively. When Caa was used in the LL at pH 8.9, the concentration of total Fe went from 37.5 to 33.2, from 40.2 to 36.8, and from 45.2 to 42.1, using 5 mg/L, 50 mg/L, and 100 mg/L of caffeic acid, respectively. Using VS in the LL at pH 8.9, the concentration of total Fe along the run went from 35.1 to 32.2, from 39.4 to 34.8, and from 42.1 to 40.2, using 5 mg/L, 50 mg/L, and 100 mg/L of VS, respectively. As a result of these processes, it was noted that the use of Caa and VS increases the solubility of Fe at a higher pH.
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Affiliation(s)
- Rodrigo Poblete
- Universidad Católica del Norte, Facultad de Ciencias del Mar, Escuela de Prevención de Riesgosy Medioambiente, 1780000, Coquimbo, Chile.
| | - Ernesto Cortes
- Universidad Católica del Norte, Facultad de Ciencias del Mar, Escuela de Prevención de Riesgosy Medioambiente, 1780000, Coquimbo, Chile
| | - Norma Pérez
- Universidad Católica del Norte, Facultad de Ciencias del Mar, Escuela de Prevención de Riesgosy Medioambiente, 1780000, Coquimbo, Chile
| | - Manuel I Maldonado
- Plataforma Solar de Almería (CIEMAT), 04200, Tabernas, Almeria, Spain
- CIESOL, Joint Centre University of Almería-CIEMAT, 04120, Almería, Spain
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5
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Insights into lipid oxidation and free fatty acid profiles to the development of volatile organic compounds in traditional fermented golden pomfret based on multivariate analysis. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.114112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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6
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Gérard V, Ay E, Launay V, Galopin C, Morlet‐Savary F, Lalevée J. Improvement of color stability using a chelating agent in model soft beverages subjected to Fenton reaction. J CHIN CHEM SOC-TAIP 2022. [DOI: 10.1002/jccs.202200164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Violaine Gérard
- Université de Haute‐Alsace, CNRS, IS2M UMR 7361 Mulhouse France
- Université de Strasbourg Strasbourg France
| | - Emel Ay
- Université de Haute‐Alsace, CNRS, IS2M UMR 7361 Mulhouse France
- Université de Strasbourg Strasbourg France
| | - Valentin Launay
- Université de Haute‐Alsace, CNRS, IS2M UMR 7361 Mulhouse France
- Université de Strasbourg Strasbourg France
| | | | - Fabrice Morlet‐Savary
- Université de Haute‐Alsace, CNRS, IS2M UMR 7361 Mulhouse France
- Université de Strasbourg Strasbourg France
| | - Jacques Lalevée
- Université de Haute‐Alsace, CNRS, IS2M UMR 7361 Mulhouse France
- Université de Strasbourg Strasbourg France
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7
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Selective Oxofunctionalization of Cyclohexane and Benzyl Alcohol over BiOI/TiO2 Heterojunction. Catalysts 2022. [DOI: 10.3390/catal12030318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Heterogeneous photocatalysis under visible light irradiation allows performing of selective oxofunctionalization of hydrocarbons at ambient temperature and pressure, using molecular oxygen as a sacrificial reagent and potential use of sunlight as a sustainable and low-cost energy source. In the present work, a photocatalytic material based on heterojunction of titanium dioxide and bismuth oxyiodide was used as photocatalyst on selective oxofunctionalization of cyclohexane and benzyl alcohol. The selective oxidation reactions were performed in a homemade photoreactor equipped with a metal halide lamp and injected air as a source of molecular oxygen. The identified oxidized products obtained from oxofunctionalization of cyclohexane were cyclohexanol and cyclohexanone. On the other hand, the product obtained from oxofunctionalization of benzyl alcohol was benzaldehyde. The yield obtained with BiOI/TiO2 photocatalysts was higher than that obtained with pure bismuth oxyiodide. The higher performance of this material with respect to pure BiOI was attributed to its higher specific area.
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8
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Celotti E, Lazaridis G, Figelj J, Scutaru Y, Natolino A. Comparison of a Rapid Light-Induced and Forced Test to Study the Oxidative Stability of White Wines. Molecules 2022; 27:molecules27010326. [PMID: 35011556 PMCID: PMC8746642 DOI: 10.3390/molecules27010326] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 12/27/2021] [Accepted: 12/31/2021] [Indexed: 11/16/2022] Open
Abstract
The oxidation processes of white wines can occur during storage and commercialization due to several factors, and these can negatively affect the color, aroma, and quality of the wine. Wineries should have faster and simpler methods that provide valuable information on oxidation stability of wines and allow fast decision-making procedures, able to trigger suitable technological interventions. Using a portable prototype instrument for light irradiations at different wavelengths and times was considered and evaluated on sensorial, spectrophotometric, and colorimetric parameters of white wines. The sensorial analysis revealed that white and light blue were the most significant, after only 1 h of irradiation. The experimental results showed that hydrogen peroxide could enhance the effect of light treatment, allowing a contemporary evaluation of the oxidation stability of wine against light and chemical stresses. As expected, a good correlation (R2 > 0.89) between optical density at 420 nm and b* parameter was highlighted. The synergic effect of light and H2O2 was also studied on the hydrolyzable and condensed tannins' additions to white wine. The proposed methodology could be used to evaluate the oxidative stability of white wines, but also to evaluate the effect of some oenological adjuvants on wine stability.
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Affiliation(s)
- Emilio Celotti
- Department of Agricultural, Food, Environmental and Animal Sciences, University of Udine, 33100 Udine, Italy; (E.C.); (G.L.); (J.F.)
| | - Georgios Lazaridis
- Department of Agricultural, Food, Environmental and Animal Sciences, University of Udine, 33100 Udine, Italy; (E.C.); (G.L.); (J.F.)
| | - Jakob Figelj
- Department of Agricultural, Food, Environmental and Animal Sciences, University of Udine, 33100 Udine, Italy; (E.C.); (G.L.); (J.F.)
| | - Yuri Scutaru
- Department of Oenology and Chemistry, Technical University of Moldova, MD-2004 Chisinau, Moldova;
| | - Andrea Natolino
- Department of Agricultural, Food, Environmental and Animal Sciences, University of Udine, 33100 Udine, Italy; (E.C.); (G.L.); (J.F.)
- Correspondence: ; Tel.: +39-0432-558376
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9
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Enzymatic Production of 3-OH Phlorizin, a Possible Bioactive Polyphenol from Apples, by Bacillus megaterium CYP102A1 via Regioselective Hydroxylation. Antioxidants (Basel) 2021; 10:antiox10081327. [PMID: 34439575 PMCID: PMC8406095 DOI: 10.3390/antiox10081327] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 08/19/2021] [Accepted: 08/20/2021] [Indexed: 11/17/2022] Open
Abstract
Phlorizin is the most abundant glucoside of phloretin from the apple tree and its products. Phlorizin and its aglycone phloretin are currently considered health-beneficial polyphenols from apples useful in treating hyperglycemia and obesity. Recently, we showed that phloretin could be regioselectively hydroxylated to make 3-OH phloretin by Bacillus megaterium CYP102A1 and human P450 enzymes. The 3-OH phloretin has a potent inhibitory effect on differentiating 3T3-L1 preadipocytes into adipocytes and lipid accumulation. The glucoside of 3-OH phloretin would be a promising agent with increased bioavailability and water solubility compared with its aglycone. However, procedures to make 3-OH phlorizin, a glucoside of 3-OH phloretin, using chemical methods, are not currently available. Here, a biocatalytic strategy for the efficient synthesis of a possibly valuable hydroxylated product, 3-OH phlorizin, was developed via CYP102A1-catalyzed regioselective hydroxylation. The production of 3-OH phlorizin by CYP102A1 was confirmed by HPLC and LC–MS spectroscopy in addition to enzymatic removal of its glucose moiety for comparison to 3-OH phloretin. Taken together, in this study, we found a panel of mutants from B. megaterium CYP102A1 could catalyze regioselective hydroxylation of phlorizin to produce 3-OH phlorizin, a catechol product.
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10
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Henríquez A, Salgado P, Albornoz M, Melín V, Mansilla HD, Cornejo-Ponce L, Contreras D. Determination of equilibrium constants of iron( iii)-1,2-dihydroxybenzene complexes and the relationship between calculated iron speciation and degradation of rhodamine B. NEW J CHEM 2021. [DOI: 10.1039/d1nj01579f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The contribution of the monocomplex [Fe(DHB)]+ to the percentage of rhodamine B degradation is statistically significant.
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Affiliation(s)
- Adolfo Henríquez
- Departamento de Ingeniería Mecánica, Facultad de Ingeniería, Universidad de Tarapacá, Avda. General Velásquez 1775, Arica 1000007, Chile
| | - Pablo Salgado
- Departamento de Ingeniería Civil, Facultad de Ingeniería, Universidad Católica de la Santísima Concepción, Alonso de Ribera 2850, Concepción, Chile
| | - Milenka Albornoz
- Facultad de Ciencias Químicas, Universidad de Concepción, Concepción 4070386, Chile
| | - Victoria Melín
- Facultad de Ciencias Químicas, Universidad de Concepción, Concepción 4070386, Chile
| | - Héctor D. Mansilla
- Facultad de Ciencias Químicas, Universidad de Concepción, Concepción 4070386, Chile
| | - Lorena Cornejo-Ponce
- Departamento de Ingeniería Mecánica, Facultad de Ingeniería, Universidad de Tarapacá, Avda. General Velásquez 1775, Arica 1000007, Chile
| | - David Contreras
- Facultad de Ciencias Químicas, Universidad de Concepción, Concepción 4070386, Chile
- ANID-Millennium Science Initiative Program-Millennium Nuclei on Catalytic Process towards Sustainable Chemistry (CSC), Chile
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11
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Lukić K, Brnčić M, Ćurko N, Tomašević M, Jurinjak Tušek A, Kovačević Ganić K. Quality characteristics of white wine: The short- and long-term impact of high power ultrasound processing. ULTRASONICS SONOCHEMISTRY 2020; 68:105194. [PMID: 32492528 DOI: 10.1016/j.ultsonch.2020.105194] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/14/2020] [Accepted: 05/26/2020] [Indexed: 06/11/2023]
Abstract
This research aimed to analyze the effects of ultrasound on the quality characteristics of white wine when processed by two different systems, i.e., ultrasonic bath and ultrasonic probe. In this regard, the multivariate statistical analysis and artificial neural network (ANN) techniques were used. Additionally, the efficiency of high power ultrasound (HPU) combined with sulfite and glutathione (GSH) treatments was explored during 18 months of bottle storage. Regarding ultrasonic bath experiment, the higher bath temperature caused the degradation of volatile compounds, precisely esters and higher alcohols, while the ultrasound effect on phenolic composition was much less pronounced. Interestingly, a combination of larger probe diameter and higher ultrasound amplitude showed a milder effect on phenolic and volatile composition in ultrasonic probe experiment. Both, ultrasonic bath and probe experiments did not cause great changes in the color properties. Moreover, implemented ANN models for flavan-3-ols, higher alcohols and esters resulted in the highest prediction values. HPU processing after 18 months of storage did not affect wine color. However, it modified phenolic and volatile composition, with greater effect in wines with lower concentration of antioxidants. In addition, there was no significant difference in the phenolic and volatile composition among sonicated low-sulfite-GSH wine and the one with standard-sulfite content. Therefore, a combined HPU and low-sulfite-GSH treatment might be a promising method for production of low-sulfite wines.
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Affiliation(s)
- Katarina Lukić
- University of Zagreb, Faculty of Food Technology and Biotechnology, Pierottijeva 6, 10000 Zagreb, Croatia.
| | - Mladen Brnčić
- University of Zagreb, Faculty of Food Technology and Biotechnology, Pierottijeva 6, 10000 Zagreb, Croatia.
| | - Natka Ćurko
- University of Zagreb, Faculty of Food Technology and Biotechnology, Pierottijeva 6, 10000 Zagreb, Croatia
| | - Marina Tomašević
- University of Zagreb, Faculty of Food Technology and Biotechnology, Pierottijeva 6, 10000 Zagreb, Croatia
| | - Ana Jurinjak Tušek
- University of Zagreb, Faculty of Food Technology and Biotechnology, Pierottijeva 6, 10000 Zagreb, Croatia
| | - Karin Kovačević Ganić
- University of Zagreb, Faculty of Food Technology and Biotechnology, Pierottijeva 6, 10000 Zagreb, Croatia
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12
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Rehman MA, Asi MR, Hameed A, Bourquin LD. Effect of Postharvest Application of Aloe Vera Gel on Shelf Life, Activities of Anti-Oxidative Enzymes, and Quality of 'Gola' Guava Fruit. Foods 2020; 9:foods9101361. [PMID: 32992728 PMCID: PMC7601809 DOI: 10.3390/foods9101361] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 09/20/2020] [Accepted: 09/22/2020] [Indexed: 11/16/2022] Open
Abstract
Guava is an important climacteric fruits in terms of taste and aroma, which contains various vital nutrients such as minerals, carotenoids, ascorbic acid, and polyphenols. At ambient conditions, it exhibits a short shelf life, which makes it difficult for marketing and subsequent storage. Therefore, it is necessary to develop procedures to extend its shelf life and conserve quality. For this purpose, an aloe vera (AV) gel coating was assessed for its potential to enhance the shelf life of guava fruits. Guava fruits coated with AV gels (0, 20, 40, 60 and 80%, v/v) were evaluated for postharvest shelf life extension, changes in quality attributes, anti-oxidative activities, and flavonoid content when stored at ambient conditions (23 ± 2 °C and 70-75% relative humidity) for 12 days. The AV gel-treated fruits showed reduced increments in total sugar, malondialdehyde, and total carotene contents compared to untreated controls. AV gel-treated fruits exhibited higher contents of ascorbic acid, flavonoids (quercetin and rutin), and total phenolics in comparison to control fruits. Moreover, AV gel-treated fruits displayed greater activities of superoxide dismutase, catalase, and ascorbate peroxidase, along with higher antioxidant capacity and higher levels of total soluble solids, than untreated fruits. These results demonstrate that AV gel coating, especially at high concentrations, can be considered an eco-friendly and non-chemical substitute treatment for maintaining the postharvest quality of guava fruit.
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Affiliation(s)
- Muhammad Adil Rehman
- Nuclear Institute for Agriculture and Biology College, Pakistan Institute of Engineering and Applied Sciences (NIAB-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan; (M.R.A.); (A.H.)
- Department of Food Science and Nutrition, Michigan State University, East Lansing, MI 48824-1223, USA
- Correspondence: (M.A.R.); (L.D.B.)
| | - Muhammad Rafique Asi
- Nuclear Institute for Agriculture and Biology College, Pakistan Institute of Engineering and Applied Sciences (NIAB-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan; (M.R.A.); (A.H.)
| | - Amjad Hameed
- Nuclear Institute for Agriculture and Biology College, Pakistan Institute of Engineering and Applied Sciences (NIAB-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan; (M.R.A.); (A.H.)
| | - Leslie D. Bourquin
- Department of Food Science and Nutrition, Michigan State University, East Lansing, MI 48824-1223, USA
- Correspondence: (M.A.R.); (L.D.B.)
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13
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Marchante L, Márquez K, Contreras D, Izquierdo-Cañas PM, García-Romero E, Díaz-Maroto MC. Impact of oenological antioxidant substances on the formation of 1-hydroxyethyl radical and phenolic composition in SO 2 free red wines. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2020; 100:3401-3407. [PMID: 32162341 DOI: 10.1002/jsfa.10374] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 02/26/2020] [Accepted: 03/11/2020] [Indexed: 06/10/2023]
Abstract
BACKGROUND Different natural substances, chitosan, inactive dry yeasts and freeze-dried aqueous extracts from two wine industry by-products (stems and shoots) were used in red winemaking as possible alternatives to SO2 . The resistance to oxidation of wines was evaluated by electron paramagnetic resonance. The phenolic composition of wines was analyzed by high-performance liquid chromatography-diode array detection/electrospray ionization mass spectrometry, antioxidant activity was determined by DPPH (1,1-diphenyl-2-picrylhydrazyl radical) and ABTS [2,2'-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid) radical cation] assays and spectrophotometric measurements of color were compared. RESULTS The wines elaborated with chitosan and inactive dry yeast presented greater capacity to inhibit the formation of the 1-hydroxyethyl radical compared to the wines elaborated with stem or shoot extracts. The total content of anthocyanins was higher in the wines elaborated with SO2 ; however, the concentration of flavan-3-ols was higher in the wines with chitosan. In addition, the wines with chitosan and inactive dry yeast presented the highest % polymerization. Wines elaborated with stem extract had a lower concentration of flavonols and stilbenes. CONCLUSION Chitosan and inactive dry yeast, which are used as an alternative to SO2 in winemaking, allow the control of the formation of 1-HER in red wines. Wines with stem and shoot extracts showed a lower resistance to oxidation. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Lourdes Marchante
- Instituto Regional de Investigación y Desarrollo Agroalimentario y Forestal de Castilla-La Mancha (IRIAF-IVICAM), Tomelloso, Spain
| | - Katherine Márquez
- Centro de Biotecnología y Facultad de Ciencias Químicas, Universidad de Concepción, Concepción, Chile
| | - David Contreras
- Centro de Biotecnología y Facultad de Ciencias Químicas, Universidad de Concepción, Concepción, Chile
| | - Pedro M Izquierdo-Cañas
- Instituto Regional de Investigación y Desarrollo Agroalimentario y Forestal de Castilla-La Mancha (IRIAF-IVICAM), Tomelloso, Spain
| | - Esteban García-Romero
- Instituto Regional de Investigación y Desarrollo Agroalimentario y Forestal de Castilla-La Mancha (IRIAF-IVICAM), Tomelloso, Spain
| | - María C Díaz-Maroto
- Food Technology, Regional Institute for Applied Scientific Research (IRICA), Universidad de Castilla-La Mancha, Ciudad Real, Spain
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14
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Effect of Microwave on Changes of Gallic Acid and Resveratrol in a Model Extraction Solution. FOOD BIOPROCESS TECH 2020. [DOI: 10.1007/s11947-020-02452-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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15
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Marchante L, Marquez K, Contreras D, Izquierdo-Cañas PM, García-Romero E, Díaz-Maroto MC. Potential of Different Natural Antioxidant Substances to Inhibit the 1-Hydroxyethyl Radical in SO 2-Free Wines. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:1707-1713. [PMID: 31999112 DOI: 10.1021/acs.jafc.9b07024] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The potential of different natural antioxidants to inhibit the 1-hydroxyethyl radical formation in SO2-free wines was analyzed by electron paramagnetic resonance (EPR). Chitosan, glutathione, inactive dry yeast, oak and grape seed extracts, and ascorbic acid were tested in white and red wines. The ability of these substances to prevent the formation of acetaldehyde after the Fenton reaction and the oxygen consumption capacity were measured. Ascorbic acid was the antioxidant substance that offered higher percentages of 1-hydroxyethyl radical inhibition at 30 min of reaction. However, wines with ascorbic acid showed higher concentrations of acetaldehyde after the Fenton reaction. Grape seed extract and chitosan provided higher percentages of radical inhibition in red wine than those in white wine, in contrast to the inactive dry yeast that only produced radical inhibition in white wine. Although oak extract did not produce changes in the 1-hydroxyethyl radical, wines with that extract had lower concentrations of acetaldehyde.
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Affiliation(s)
- Lourdes Marchante
- Instituto Regional de Investigación y Desarrollo Agroalimentario y Forestal de Castilla La Mancha (IRIAF) , IVICAM de Tomelloso , 13700 Ciudad Real , Spain
| | - Katherine Marquez
- Centro de Biotecnología y Facultad de Ciencias Químicas , Universidad de Concepción , Concepción 3349001 , Chile
| | - David Contreras
- Centro de Biotecnología y Facultad de Ciencias Químicas , Universidad de Concepción , Concepción 3349001 , Chile
| | - Pedro Miguel Izquierdo-Cañas
- Instituto Regional de Investigación y Desarrollo Agroalimentario y Forestal de Castilla La Mancha (IRIAF) , IVICAM de Tomelloso , 13700 Ciudad Real , Spain
| | - Esteban García-Romero
- Instituto Regional de Investigación y Desarrollo Agroalimentario y Forestal de Castilla La Mancha (IRIAF) , IVICAM de Tomelloso , 13700 Ciudad Real , Spain
| | - M Consuelo Díaz-Maroto
- Área de Tecnología de los Alimentos, Instituto Regional de Investigación Científica Aplicada (IRICA) , Universidad de Castilla-La Mancha , Avenida Camilo José Cela 10 , 13071 Ciudad Real , Spain
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16
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García-Negueroles P, García-Ballesteros S, Amat AM, Laurenti E, Arques A, Santos-Juanes L. Unveiling the Dependence between Hydroxyl Radical Generation and Performance of Fenton Systems with Complexed Iron. ACS OMEGA 2019; 4:21698-21703. [PMID: 31891048 PMCID: PMC6933578 DOI: 10.1021/acsomega.9b02241] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Accepted: 10/18/2019] [Indexed: 05/31/2023]
Abstract
Humiclike substances (HLS) have been demonstrated to be useful auxiliaries to drive the (photo)-Fenton process at mild pH, by avoiding iron inactivation via formation of active complexes. However, the actual performance of the process is affected by a manifold of opposite processes. In this work, the generation of hydroxyl radical-like reactive species in the Fentonlike process has been investigated using electron paramagnetic resonance, employing 5,5-dimethyl-1-pyrroline-N-oxide as a probe molecule. The signal obtained with the Fe(II)-HLS-H2O2 system at pH = 5 was very intense but decreased with time, in line with the difficult reduction of the formed Fe(III) to Fe(II). On the contrary, the signal of the Fe(III)-HLS-H2O2 system was weak but stable. The most intense signal was observed at HLS concentration of ca. 30 mg/L. Interestingly, the performance of the Fenton system at pH = 5 to degrade caffeine followed the same trends, although caffeine removal was very low after 1 h of irradiation. The results were more evident in a solar simulated photo-Fenton process, where an increase in the abatement of caffeine was observed until an HLS concentration of 30 mg/L, where 98% removal was reached after 1 h.
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Affiliation(s)
- Paula García-Negueroles
- Grupo
de Procesos de Oxidación Avanzada, Departamento de Ingeniería
Textil y Papelera, Universitat Politècnica
de València, Plaza Ferrándiz y Carbonell 1, 03801 Alcoy, Spain
| | - Sara García-Ballesteros
- Grupo
de Procesos de Oxidación Avanzada, Departamento de Ingeniería
Textil y Papelera, Universitat Politècnica
de València, Plaza Ferrándiz y Carbonell 1, 03801 Alcoy, Spain
| | - Ana M. Amat
- Grupo
de Procesos de Oxidación Avanzada, Departamento de Ingeniería
Textil y Papelera, Universitat Politècnica
de València, Plaza Ferrándiz y Carbonell 1, 03801 Alcoy, Spain
| | - Enzo Laurenti
- Dipartimento
di Chimica, Università di Torino, via P. Giuria 7, 10125 Torino, Italy
| | - Antonio Arques
- Grupo
de Procesos de Oxidación Avanzada, Departamento de Ingeniería
Textil y Papelera, Universitat Politècnica
de València, Plaza Ferrándiz y Carbonell 1, 03801 Alcoy, Spain
| | - Lucas Santos-Juanes
- Grupo
de Procesos de Oxidación Avanzada, Departamento de Ingeniería
Textil y Papelera, Universitat Politècnica
de València, Plaza Ferrándiz y Carbonell 1, 03801 Alcoy, Spain
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17
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Anggraini T, Wilma S, Syukri D, Azima F. Total Phenolic, Anthocyanin, Catechins, DPPH Radical Scavenging Activity, and Toxicity of Lepisanthes alata (Blume) Leenh. INTERNATIONAL JOURNAL OF FOOD SCIENCE 2019; 2019:9703176. [PMID: 31275958 PMCID: PMC6582855 DOI: 10.1155/2019/9703176] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2019] [Revised: 04/14/2019] [Accepted: 04/21/2019] [Indexed: 12/17/2022]
Abstract
Anthocyanins and catechin are natural antioxidants presented in many plants. Lepisanthes alata (Blume) Leenh is a plant with fruit that ripens to an intense red. This coloring suggests a high polyphenol content. However, limited information is available regarding the polyphenol or other antioxidant content in this fruit or its suitability as a food additive. The purpose of this research was to determine the total phenolic, total monomeric anthocyanin, catechin, epicatechin and epigallocatechin gallate content, DPPH radical scavenging activity, and toxicity in rind, flesh, seed, and whole fruit of L. alata. This research was conducted using an exploratory method with four analyses; samples from six parts of the plant were analyzed for polyphenols (rind, fruit pulp, seeds, whole fruit, bark, and leaves), four for anthocyanins (rind, fruit pulp, seeds, and whole fruit), and six parts of the plant for DPPH radical scavenging activity in water, methanol, and ethanol (rind, fruit pulp, seeds, whole fruit, bark, and leaves) and toxicity. This plant was found to contain high levels of polyphenol; the lowest level was measured in the flesh (0.64 mg GAE/g of DW) and the highest in the whole fruit (2.87 mg GAE/g of DW). The lowest anthocyanin content is found in the flesh and the highest in the rind with the respective average values of 672.27 mg/100 g FW and 1462.82 mg/100 g FW. Epicatechin is the major catechin in whole fruit and bark of L. alata. L. alata DPPH radical scavenging activity was in the range of 21.23 to 92.5% depending on the solvent, and the highest activity was recorded in bark in ethanol extract. No toxins were found in any part of the plant indicating that an extract from it could be safely used as a natural antioxidant supplement in processed foods to protect against free radicals.
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Affiliation(s)
- Tuty Anggraini
- Faculty of Agricultural Technology, Andalas University, Padang 25163, Indonesia
| | - Syafni Wilma
- Faculty of Agricultural Technology, Andalas University, Padang 25163, Indonesia
| | - Daimon Syukri
- Faculty of Agricultural Technology, Andalas University, Padang 25163, Indonesia
| | - Fauzan Azima
- Faculty of Agricultural Technology, Andalas University, Padang 25163, Indonesia
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