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Wimalasiri PM, Harrison R, Hider R, Donaldson I, Kemp B, Tian B. Extraction of tannin, colour and aroma compounds in pinot noir wines as affected by clone selection and whole bunch addition. Food Chem 2024; 451:139495. [PMID: 38692244 DOI: 10.1016/j.foodchem.2024.139495] [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: 09/07/2023] [Revised: 04/11/2024] [Accepted: 04/24/2024] [Indexed: 05/03/2024]
Abstract
Our previous study revealed stem inclusion fermentation reduced anthocyanin, and increased tannin and aroma compounds responsible for green notes. This study further investigated the effect of clone selection and whole bunch fermentation on Pinot noir wine composition, with focus on tannin composition. Three treatments were conducted using two clones (AM10/5 and UCD5) in 2021 and 2022: 100% destemmed (DS), 30% whole bunch (WB30), and 60% whole bunch (WB60). WB60 increased stem and skin derived tannins but reduced seed derived tannin proportion in wines. Clone selection had an impact on tannin composition and an even greater impact on tannin concentration, colour, and aroma compounds. AM10/5 produced wines with higher tannin, polymeric pigments and darker colour. AM10/5 wines also had higher concentration of phenylethyl alcohol, but lower concentrations of 3-isobutyl-2-methoxypyrazine and ethyl esters, indicating more floral but less fruity and green notes.
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Affiliation(s)
- Pradeep M Wimalasiri
- Faculty of Agriculture and Life Sciences, Lincoln University, Lincoln 7647, New Zealand
| | - Roland Harrison
- Faculty of Agriculture and Life Sciences, Lincoln University, Lincoln 7647, New Zealand
| | - Richard Hider
- Faculty of Agriculture and Life Sciences, Lincoln University, Lincoln 7647, New Zealand
| | | | - Belinda Kemp
- NIAB, New Road, East Malling, Kent ME19 6BJ, United Kingdom
| | - Bin Tian
- Faculty of Agriculture and Life Sciences, Lincoln University, Lincoln 7647, New Zealand.
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2
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Ribalta-Pizarro C, Muñoz P, Munné-Bosch S. Differential tissue-specific accumulation and function of tocochromanols in grape berries. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 199:107705. [PMID: 37094494 DOI: 10.1016/j.plaphy.2023.107705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 04/11/2023] [Accepted: 04/13/2023] [Indexed: 05/03/2023]
Abstract
Grape berries have been extensively studied in terms of antioxidant characterization, specifically in anthocyanin, total phenol, and tannin accumulation. However, very little is known about vitamin E composition and contents in this fruit. Aiming to examine the function of vitamin E during grape berries ripening, tocochromanol contents and composition were evaluated in berries and leaves of grapevines (Vitis vinifera L. cv. Merlot), from just before veraison to commercial harvest. We also determined the time-course evolution of tocochromanol accumulation in various fruit tissues, including the skin, pulp, and seeds, and measured the extent of primary and secondary lipid peroxidation, as well as fruit technological maturity parameters. Vitamin E accumulated at higher levels in leaves than in fruits, although the tissue-specific evaluation of tocochromanol contents revealed that berry skin is also rich in α-tocopherol whereas tocotrienols were present in seeds only. α-Tocopherol content decreased during ripening, more specifically in the skin, and it was accompanied by an increase in the extent of lipid peroxidation. Contents and variations in the levels of α-tocopherol, but not those of the other tocochromanols, were inversely related to changes in lipid peroxidation during fruit ripening, as indicated by tissue-specific variations in malondialdehyde contents. In conclusion, α-tocopherol is more abundant in leaves than fruit, yet it apears to exert a role in the modulation of the extent of lipid peroxidation in grape berries, more specifically in the skin, where α-tocopherol depletion and malondialdehyde accumulation may be related to an adequate progression of fruit ripening.
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Affiliation(s)
- Camila Ribalta-Pizarro
- Department of Evolutionary Biology, Ecology, and Environmental Sciences, University of Barcelona, Faculty of Biology, Av. Diagonal 643, E-08028, Barcelona, Spain; Research Institute of Nutrition and Food Safety (INSA), University of Barcelona, Faculty of Biology, Av. Diagonal 643, E-08028, Barcelona, Spain
| | - Paula Muñoz
- Department of Evolutionary Biology, Ecology, and Environmental Sciences, University of Barcelona, Faculty of Biology, Av. Diagonal 643, E-08028, Barcelona, Spain; Research Institute of Nutrition and Food Safety (INSA), University of Barcelona, Faculty of Biology, Av. Diagonal 643, E-08028, Barcelona, Spain
| | - Sergi Munné-Bosch
- Department of Evolutionary Biology, Ecology, and Environmental Sciences, University of Barcelona, Faculty of Biology, Av. Diagonal 643, E-08028, Barcelona, Spain; Research Institute of Nutrition and Food Safety (INSA), University of Barcelona, Faculty of Biology, Av. Diagonal 643, E-08028, Barcelona, Spain.
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3
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Wang S, Ma Z, Zhao P, Du G, Sun X, Wang X. The role of Arabic gum on astringency by modulating the polyphenol fraction-protein reaction in model wine. Food Chem 2023; 417:135927. [PMID: 36933429 DOI: 10.1016/j.foodchem.2023.135927] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 02/27/2023] [Accepted: 03/08/2023] [Indexed: 03/13/2023]
Abstract
The potential contribution of Arabic gum to wine astringency was discussed in this study. Two universally used Arabic gum (concentration of 0.2-1.2 g/L) were investigated in model wine based on the polyphenol fractions (phenolic acids, monomeric/oligomeric, and polymeric procyanidin) and protein interaction system. Both physicochemical analyses and sensory evaluation revealed that the modulation of Arabic gum on astringency was affected by the structural properties and concentration of Arabic gum and polyphenolic fractions. Arabic gum at 0.2 g/L appeared as the optimal dose to reduce astringency compared to 0.6 and 1.2 g/L. It inhibited astringency induced by polymeric procyanidin more than that of oligomeric procyanidins and phenolic acids mainly by forming soluble ternary complexes with polyphenols and proteins, and preferentially binding proteins/polyphenols to decrease polyphenol-protein reactions. Arabic gum also inhibited the self-aggregation of polyphenols, exhibiting more binding sites when its higher molecular weight and more/longer branches, leading to competition with polyphenols for bind proteins.
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Affiliation(s)
- Shengnan Wang
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Shaanxi 710119, China; College of Enology, College of Food Science and Engineering, Viti-Viniculture Engineering Technology Center of State Forestry and Grassland Administration, Shaanxi Engineering Research Center for Viti-Viniculture, Heyang Viti-viniculture Station, Northwest A&F University, Yangling 712100, China
| | - Zeqiang Ma
- Laboratory of Animal Fat Deposition and Muscle Development, Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Pengtao Zhao
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Shaanxi 710119, China; National Research & Development Center of Apple Processing Technology, Shaanxi Normal University, Shaanxi 710119, China
| | - Guorong Du
- School of Biological and Environmental Engineering, Xi'an University, Shaanxi 710065, China
| | - Xiangyu Sun
- College of Enology, College of Food Science and Engineering, Viti-Viniculture Engineering Technology Center of State Forestry and Grassland Administration, Shaanxi Engineering Research Center for Viti-Viniculture, Heyang Viti-viniculture Station, Northwest A&F University, Yangling 712100, China.
| | - Xiaoyu Wang
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Shaanxi 710119, China; National Research & Development Center of Apple Processing Technology, Shaanxi Normal University, Shaanxi 710119, China.
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4
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Accelerated Solvent Extraction of Phenols from Lyophilised Ground Grape Skins and Seeds. BEVERAGES 2023. [DOI: 10.3390/beverages9010004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The efficient extraction of phenols from grapes is an important step for their reliable quantification. The aim was to optimise the lyophilisation process and the extraction of phenols from grape skins and seeds. The phenol extraction yield from lyophilised tissues was investigated with different accelerated solvent extraction (ASE) operating conditions. Skins and seeds were separated from frozen berries and lyophilised without being ground. The weight loss during lyophilisation was followed daily. Phenols were extracted from lyophilised, cryo-ground seeds and skins with ASE at room temperature and 10.3 MPa using 80% aqueous acetone and 60% aqueous methanol. The effects of ASE operational parameters (the number of extraction cycles (ECs) and static time (ST) duration) were investigated. The yield of extracted phenols was evaluated spectrophotometrically by determining total phenolic index at 280 nm (TPI). The weight of skins and seeds significantly dropped after 24 h of lyophilisation and continued to decrease, although not significantly, up until the 9th day. The optimal lyophilisation time was estimated to be 3 days and 5 days for skins and seeds, respectively. The phenol extraction yield was significantly affected after changes of ASE conditions. Based on TPI, the optimal ASE conditions were as follows: (i) lyophilised seeds—eight ECs with 10 min ST using aqueous acetone and then four ECs with 20 min ST using aqueous methanol; (ii) lyophilised skins—eight ECs with 1 min ST using aqueous acetone and then one EC with 20 min ST using aqueous methanol.
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5
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Feng J, Nieuwenhuizen N, Atkinson R, Wang W, Zeng J, Zheng H, Tao J. Comparative study of phenolic compounds reveals a positive relationship between astringency and the phenolic composition in table grape varieties. J Food Sci 2023; 88:447-461. [PMID: 36527319 DOI: 10.1111/1750-3841.16413] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 09/28/2022] [Accepted: 11/18/2022] [Indexed: 12/23/2022]
Abstract
Phenolic compounds and their derivatives play a major role in the intensity and characteristics of grape (Vitis vinifera) astringency. The present study investigated the relationship between phenolic composition and astringency of six commercial table grape varieties (two of each white-, red-, and black-skinned). Qualitative and quantitative liquid chromatography-mass spectrometry analysis was used to identify the variety-specific phenolic profiles in the skins and total astringency intensity was assessed and described by a trained sensory panel. Thirty phenolic compounds were identified among the six varieties. Principal component analysis of the phenolic profiles revealed that the intensity of astringency of grape skin was positively correlated with catechin, epicatechin, epicatechin-3-O-gallate, and proanthocyanidin dimers B1, B2, and B3. A further orthogonal partial least-squares discrimination analysis of these compounds showed that catechin was the substance most strongly and positively correlated (R = 0.904) with grape skin astringency. PRACTICAL APPLICATION: This study provided a better understanding of the relationships between phenolic composition and table grape astringency and highlighted a potential metabolic marker that could be used as a predictor for the complex astringency sensory attributes of table grape berries.
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Affiliation(s)
- Jiao Feng
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Niels Nieuwenhuizen
- The New Zealand Institute for Plant and Food Research Ltd (PFR), Auckland, New Zealand
| | - Ross Atkinson
- The New Zealand Institute for Plant and Food Research Ltd (PFR), Auckland, New Zealand
| | - Wu Wang
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
| | - Jingjue Zeng
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
| | - Huan Zheng
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Jianmin Tao
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
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6
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Güler E. Polyphenols, organic acids, and their relationships in red grapes of Vitis vinifera and Isabella (Vitis labrusca) under arid conditions. Eur Food Res Technol 2022. [DOI: 10.1007/s00217-022-04183-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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7
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Identification, quantitation and sensory contribution of new C-glucosidic ellagitannin-derived spirit compounds. Food Chem 2022; 384:132307. [DOI: 10.1016/j.foodchem.2022.132307] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 01/27/2022] [Accepted: 01/29/2022] [Indexed: 11/22/2022]
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8
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Paissoni MA, Bitelli G, Vilanova M, Montanini C, Río Segade S, Rolle L, Giacosa S. Relative impact of oenological tannins in model solutions and red wine according to phenolic, antioxidant, and sensory traits. Food Res Int 2022; 157:111203. [DOI: 10.1016/j.foodres.2022.111203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 03/23/2022] [Accepted: 03/29/2022] [Indexed: 11/04/2022]
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9
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Isolation of a new taste-active brandy tannin A: Structural elucidation, quantitation and sensory assessment. Food Chem 2022; 377:131963. [PMID: 35008026 DOI: 10.1016/j.foodchem.2021.131963] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 12/01/2021] [Accepted: 12/25/2021] [Indexed: 11/04/2022]
Abstract
Enjoying a glass of spirits can be one of the delights of life. While it is well known that their taste improves during barrel aging, the molecular explanations of this phenomenon remain largely unknown. The present work aimed at searching for taste-active compounds formed in spirits during aging. An untargeted metabolomic approach using HRMS was applied on "eau-de-vie" of cognac. A fractionation protocol was then performed on brandies to isolate a targeted compound. By using HRMS and NMR, its structure was elucidated for the first time. This new ellagitannin, called brandy tannin A, considerably increased the sweetness of spirits at 2 mg/L. After development of an LC-HRMS quantitation method, it was assayed in various spirits and was detected mainly in cognacs up to 7 mg/L. These findings demonstrate the sensory contribution of this compound and more generally the relevance of combining metabolomics and separative techniques to purify new taste-active compounds.
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Wang Z, Yang J, Ren Y, Yuan C, Wang Z. The effects of the grape varieties and the wine aging periods on the tannin profiles and the astringency perceptions of wines. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [DOI: 10.1007/s11694-022-01355-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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11
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Molecular basis of the formation and removal of fruit astringency. Food Chem 2022; 372:131234. [PMID: 34619522 DOI: 10.1016/j.foodchem.2021.131234] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 09/16/2021] [Accepted: 09/23/2021] [Indexed: 12/18/2022]
Abstract
Astringency is a dry puckering mouthfeel mainly generated by the binding of tannins with proteins in the mouth. Tannins confer benefits such as resistance to biotic stresses and have antioxidant activity, and moderate concentrations of tannins can improve the flavor of fruits or their products. However, fruits with high contents of tannins have excessive astringency, which is undesirable. Thus, the balance of astringency formation and removal is extremely important for human consumption of fruit and fruit-based products. In recent years, the understanding of fruit astringency has moved beyond the biochemical aspects to focus on the genetic characterization of key structural genes and their transcriptional regulators that cause astringency. This article provides an overview of astringency formation and evaluation. We summarize the methods of astringency regulation and strategies and mechanisms for astringency removal, and discuss perspectives for future exploration and modulation of astringency for fruit quality improvement.
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12
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Garrido-Bañuelos G, Buica A, du Toit W. Relationship between anthocyanins, proanthocyanidins, and cell wall polysaccharides in grapes and red wines. A current state-of-art review. Crit Rev Food Sci Nutr 2021; 62:7743-7759. [PMID: 33951953 DOI: 10.1080/10408398.2021.1918056] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Numerous research studies have evaluated factors influencing the nature and levels of phenolics and polysaccharides in food matrices. However, in grape and wines most of these works have approach these classes of compounds individually. In recent years, the number of publications interconnecting classes have increased dramatically. The present review relates the last decade's findings on the relationship between phenolics and polysaccharides from grapes, throughout the entire winemaking process up to evaluating the impact of their relationship on the red wine sensory perception. The combination and interconnection of the most recent research studies, from single interactions in model wines to the investigation of the formation of complex macromolecules, brings the perfect story line to relate the relationship between phenolics and polysaccharides from the vineyard to the glass. Grape pectin is highly reactive toward grape and grape derived phenolics. Differences between grape cultivars or changes during grape ripeness will affect the extractability of these compounds into the wines. Therefore, the nature of the grape components will be crucial to understand the subsequent reactions occurring between phenolics and polysaccharide of the corresponding wines. It has been demonstrated that they can form very complex macromolecules which affect wine color, stability and sensory properties.
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Affiliation(s)
- Gonzalo Garrido-Bañuelos
- South African Grape and Wine Research Institute, Department of Viticulture and Oenology, Stellenbosch University, Matieland, South Africa.,Product Design - Agriculture and Food, Bioeconomy and Health, RISE Research Institutes of Sweden, Gothenburg, Sweden
| | - Astrid Buica
- South African Grape and Wine Research Institute, Department of Viticulture and Oenology, Stellenbosch University, Matieland, South Africa
| | - Wessel du Toit
- South African Grape and Wine Research Institute, Department of Viticulture and Oenology, Stellenbosch University, Matieland, South Africa
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13
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Reis SF, Coelho E, Evtuguin DV, Coimbra MA, Lopes P, Cabral M, Mateus N, Freitas V. Migration of Tannins and Pectic Polysaccharides from Natural Cork Stoppers to the Hydroalcoholic Solution. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:14230-14242. [PMID: 33215920 DOI: 10.1021/acs.jafc.0c02738] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Ellagitannins, condensed tannins, and pectic-derived polysaccharides were removed from natural cork stoppers using hydroalcoholic solution. Two main populations of migrated compounds were determined; the major one with molecular weight (MW) between 0.2 and 1 kDa and the second with 2.1 kDa and polydispersity of 1.3. Two residual populations mainly composed of condensed tannins were also observed between 2.5 and 4.5 kDa and higher than 15 kDa. Simple, C-glycosidic, complex, and oligomeric ellagitannins were identified by high-performance liquid chromatography-diode array detection/electrospray ionization-mass spectrometry (HPLC-DAD/ESI-MS). Ellagitannins linked to condensed tannins and some pectic-derived polysaccharides were also tentatively identified by matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-ToF-MS). This preliminary work opens an opportunity for the cork stoppers industry due to the relevance of this type of compounds on the astringency and bitterness of wines.
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Affiliation(s)
- Sofia F Reis
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, Rua do Campo Alegre, 687, 4169-007 Porto, Portugal
- REQUIMTE/LAQV, Departamento de Química, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Elisabete Coelho
- REQUIMTE/LAQV, Departamento de Química, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Dmitry V Evtuguin
- CICECO-Departamento de Química, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Manuel A Coimbra
- REQUIMTE/LAQV, Departamento de Química, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Paulo Lopes
- Amorim & Irmãos S.A, Rua dos Corticeiros, 830, 4536-904 Santa Maria de Lamas, Portugal
| | - Miguel Cabral
- Amorim & Irmãos S.A, Rua dos Corticeiros, 830, 4536-904 Santa Maria de Lamas, Portugal
| | - Nuno Mateus
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, Rua do Campo Alegre, 687, 4169-007 Porto, Portugal
| | - Victor Freitas
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, Rua do Campo Alegre, 687, 4169-007 Porto, Portugal
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14
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Chira K, Anguellu L, Da Costa G, Richard T, Pedrot E, Jourdes M, Teissedre PL. New C-Glycosidic Ellagitannins Formed upon Oak Wood Toasting; Identification and Sensory Evaluation. Foods 2020; 9:E1477. [PMID: 33081146 PMCID: PMC7602746 DOI: 10.3390/foods9101477] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 10/09/2020] [Accepted: 10/14/2020] [Indexed: 11/19/2022] Open
Abstract
In the courses of studies on ellagitannin changes during oak wood toasting, two C-glycosidic ellagitannins were isolated from the french oak wood for the first time. These two compounds exhibited [M-H]- ion peak at m/z 1055.0631 (compound A) and at m/z 1011.0756 (compound B). A compound is named Castacrenin E and is produced by Castacrenin D oxidation. Castacrenin D is a vescalagin with an additional aromating ring to the C-1 through a C-C bond. These compounds are not only found under laboratory conditions but also in commercial oak wood representing different toasting methods and sizes. Their levels are conditioned by oak wood dimensions and toasting degree. The wood pieces with the smallest size present almost two times more compounds A and B. Moreover, the compound B is the only compound to be present in medium toasting temperatures of the smallest wood pieces. Both of them can influence either astringency sensation or bitterness taste.
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Affiliation(s)
- Kleopatra Chira
- Department of Environmental Science and College of Grape and Wine Sciences, University of Bordeaux, INRAE, IPB, Œnologie, EA 4577, USC 1366, ISVV, 210 Chemin de Leysotte, F-33140 Villenave d’Ornon, France; (L.A.); (G.D.C.); (T.R.); (E.P.); (M.J.); (P.-L.T.)
- Tonnellerie Nadalie, 99 rue Lafont—Ludon Medoc—CEDEX, 33 295 Blanquefort, France
| | - Laura Anguellu
- Department of Environmental Science and College of Grape and Wine Sciences, University of Bordeaux, INRAE, IPB, Œnologie, EA 4577, USC 1366, ISVV, 210 Chemin de Leysotte, F-33140 Villenave d’Ornon, France; (L.A.); (G.D.C.); (T.R.); (E.P.); (M.J.); (P.-L.T.)
| | - Gregory Da Costa
- Department of Environmental Science and College of Grape and Wine Sciences, University of Bordeaux, INRAE, IPB, Œnologie, EA 4577, USC 1366, ISVV, 210 Chemin de Leysotte, F-33140 Villenave d’Ornon, France; (L.A.); (G.D.C.); (T.R.); (E.P.); (M.J.); (P.-L.T.)
| | - Tristan Richard
- Department of Environmental Science and College of Grape and Wine Sciences, University of Bordeaux, INRAE, IPB, Œnologie, EA 4577, USC 1366, ISVV, 210 Chemin de Leysotte, F-33140 Villenave d’Ornon, France; (L.A.); (G.D.C.); (T.R.); (E.P.); (M.J.); (P.-L.T.)
| | - Eric Pedrot
- Department of Environmental Science and College of Grape and Wine Sciences, University of Bordeaux, INRAE, IPB, Œnologie, EA 4577, USC 1366, ISVV, 210 Chemin de Leysotte, F-33140 Villenave d’Ornon, France; (L.A.); (G.D.C.); (T.R.); (E.P.); (M.J.); (P.-L.T.)
| | - Michael Jourdes
- Department of Environmental Science and College of Grape and Wine Sciences, University of Bordeaux, INRAE, IPB, Œnologie, EA 4577, USC 1366, ISVV, 210 Chemin de Leysotte, F-33140 Villenave d’Ornon, France; (L.A.); (G.D.C.); (T.R.); (E.P.); (M.J.); (P.-L.T.)
| | - Pierre-Louis Teissedre
- Department of Environmental Science and College of Grape and Wine Sciences, University of Bordeaux, INRAE, IPB, Œnologie, EA 4577, USC 1366, ISVV, 210 Chemin de Leysotte, F-33140 Villenave d’Ornon, France; (L.A.); (G.D.C.); (T.R.); (E.P.); (M.J.); (P.-L.T.)
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15
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Casassa LF, Ceja GM, Vega-Osorno A, du Fresne F, Llodrá D. Detailed chemical composition of Cabernet Sauvignon wines aged in French oak barrels coopered with three different stave bending techniques. Food Chem 2020; 340:127573. [PMID: 33032144 DOI: 10.1016/j.foodchem.2020.127573] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 06/06/2020] [Accepted: 07/11/2020] [Indexed: 11/26/2022]
Abstract
Cabernet Sauvignon wines were aged for 15 months in used and new French 225 L oak barrels, followed by a period of 3 months in bottle. In addition to control barrels (3 years old), three bending/toasting protocols, including fire bent and fire toasted (fire-bent); water bent and fire toasted (water-bent); and a hybridized method based on fire bending and toasting followed by a 12 h fill with water at 80 °C (fire-bent + hot water), were trialed in triplicate. Parameters such as acetic acid and alcohol content (higher in control wines), and anthocyanins, color and polymeric pigments (higher in wines aged in the new barrels), were more affected by barrel use (new versus neutral) than by bending/toasting protocols. At the end of the study (day 602), only 4-vinyl-guaiacol, eugenol and cis-lactone showed odor activity values (OAV's) above 1, with the latter being the most relevant odor active compound across treatments whereas eugenol was 10-fold higher in the water-bent wines. Principal component analysis (PCA) including phenolics and volatile compounds suggested differences between wines aged in control and new barrels, but less clear-cut differences within wines aged in barrels produced with the different bending/toasting protocols.
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Affiliation(s)
- L Federico Casassa
- Wine and Viticulture Department, California Polytechnic State University San Luis Obispo (Cal Poly). San Luis Obispo, CA 93407, United States.
| | - Gabriel M Ceja
- Wine and Viticulture Department, California Polytechnic State University San Luis Obispo (Cal Poly). San Luis Obispo, CA 93407, United States
| | - Armando Vega-Osorno
- Wine and Viticulture Department, California Polytechnic State University San Luis Obispo (Cal Poly). San Luis Obispo, CA 93407, United States
| | - Fintan du Fresne
- Chamisal Vineyards and Winery, 7525 Orcutt Rd, San Luis Obispo, CA 93401, United States
| | - David Llodrá
- Independent Stave Company, Research & Development, 2557 Napa Valley Corp. Dr. Ste. D, Napa, CA 94558, United States
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16
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Wei X, Ju Y, Ma T, Zhang J, Fang Y, Sun X. New perspectives on the biosynthesis, transportation, astringency perception and detection methods of grape proanthocyanidins. Crit Rev Food Sci Nutr 2020; 61:2372-2398. [PMID: 32551848 DOI: 10.1080/10408398.2020.1777527] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Proanthocyanidins (PAs) are important secondary metabolites crucial for the quality of grape berry and wine. Despite important advances in our understanding of the structural and regulatory genes involved in the PAs biosynthesis pathway, our knowledge about the details of biosynthetic and regulatory networks, especially the mechanism of polymerization and transportation remains limited. We provided an overview of the latest discoveries related to the mechanisms of grape PAs structure, astringency properties, detection methods, biosynthesis and transportation. We also summarized the environmental influencing factors of PAs synthesis in grape. Future trends were discussed.
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Affiliation(s)
- Xiaofeng Wei
- College of Enology, College of Food Science and Engineering, Viti-viniculture Engineering Technology Center of State Forestry and Grassland Administration, Shaanxi Engineering Research Center for Viti-Viniculture, Northwest A&F University, Yangling, China
| | - Yanlun Ju
- College of Enology, College of Food Science and Engineering, Viti-viniculture Engineering Technology Center of State Forestry and Grassland Administration, Shaanxi Engineering Research Center for Viti-Viniculture, Northwest A&F University, Yangling, China
| | - Tingting Ma
- College of Enology, College of Food Science and Engineering, Viti-viniculture Engineering Technology Center of State Forestry and Grassland Administration, Shaanxi Engineering Research Center for Viti-Viniculture, Northwest A&F University, Yangling, China
| | | | - Yulin Fang
- College of Enology, College of Food Science and Engineering, Viti-viniculture Engineering Technology Center of State Forestry and Grassland Administration, Shaanxi Engineering Research Center for Viti-Viniculture, Northwest A&F University, Yangling, China
| | - Xiangyu Sun
- College of Enology, College of Food Science and Engineering, Viti-viniculture Engineering Technology Center of State Forestry and Grassland Administration, Shaanxi Engineering Research Center for Viti-Viniculture, Northwest A&F University, Yangling, China
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17
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Gammacurta M, Waffo-Teguo P, Winstel D, Dubourdieu D, Marchal A. Isolation of Taste-Active Triterpenoids from Quercus robur: Sensory Assessment and Identification in Wines and Spirit. JOURNAL OF NATURAL PRODUCTS 2020; 83:1611-1622. [PMID: 32343138 DOI: 10.1021/acs.jnatprod.0c00106] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Six new triterpenoids (1-6), two known genins (7 and 8), and five known functionalized triterpenoids (9-13) were isolated from a Quercus robur heartwood extract. The purification protocol was guided by LC-HRMS by searching for structural analogues of bartogenic acid on the basis of their putative empirical formula. The structures of the new compounds were unequivocally elucidated using HRESIMS and 1D/2D NMR experiments. Sensory analyses were performed in water and in a non-oaked white wine on the pure compounds 1-13 at 5 mg/L. All molecules were perceived as bitter in water and wine, but they were mostly reported as modifying the wine taste balance. Using LC-HRMS, compounds 1-13 were observed in oaked red wine and cognac and were semiquantified in oak wood extracts. The influence of two cooperage parameters, oak species and toasting process, on compounds 1-13 content was studied. All compounds were found in quantities significantly higher in pedunculate than in sessile oak wood. Toasting is a key step in barrel manufacture and modulates the concentration of the discussed compounds. Significantly higher quantities were observed in untoasted wood compared to medium or highly toasted wood. These findings provide new insights into the molecular origin of taste changes due to oak aging.
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Affiliation(s)
- Marine Gammacurta
- Univ. Bordeaux, ISVV, Unité de Recherche Œnologie, EA 4577, USC 1366 INRA, ISVV, 33882 Villenave d'Ornon Cedex, France
| | - Pierre Waffo-Teguo
- Univ. Bordeaux, ISVV, Unité de Recherche Œnologie, EA 4577, USC 1366 INRA, ISVV, 33882 Villenave d'Ornon Cedex, France
| | - Delphine Winstel
- Univ. Bordeaux, ISVV, Unité de Recherche Œnologie, EA 4577, USC 1366 INRA, ISVV, 33882 Villenave d'Ornon Cedex, France
| | - Denis Dubourdieu
- Univ. Bordeaux, ISVV, Unité de Recherche Œnologie, EA 4577, USC 1366 INRA, ISVV, 33882 Villenave d'Ornon Cedex, France
| | - Axel Marchal
- Univ. Bordeaux, ISVV, Unité de Recherche Œnologie, EA 4577, USC 1366 INRA, ISVV, 33882 Villenave d'Ornon Cedex, France
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18
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Raitanen JE, Järvenpää E, Korpinen R, Mäkinen S, Hellström J, Kilpeläinen P, Liimatainen J, Ora A, Tupasela T, Jyske T. Tannins of Conifer Bark as Nordic Piquancy-Sustainable Preservative and Aroma? Molecules 2020; 25:E567. [PMID: 32012956 PMCID: PMC7036811 DOI: 10.3390/molecules25030567] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 01/24/2020] [Accepted: 01/27/2020] [Indexed: 01/03/2023] Open
Abstract
Bark of Norway spruce and Scots pine trees contain large amounts of condensed tannins. Tannins extracted with hot water could be used in different applications as they possess antioxidative and antimicrobial activities. The use of bark tannins as e.g., food preservatives calls for increases in our knowledge of their antioxidative activities when applied in foodstuffs. To assess the ability of bark tannins to prevent lipid oxidation, hot water extracts were evaluated in a liposome model. Isolated tannins were also applied in dry-cured, salty meat snacks either as liquid extracts or in dry-powder form. Consumer acceptance of the snacks was tested by a sensory evaluation panel where outlook, odor, taste, and structure of the snacks were evaluated and compared to a commercial product without tannin ingredients. Our results show that conifer bark tannin-rich extracts have high capacity to prevent lipid oxidation in the liposome model. The efficacies of pine and spruce bark extracts were ten to hundred folds higher, respectively, than those of phenolic berry extracts. The bark extracts did not significantly influence the odor or taste of the meat snacks. The findings indicate that bark extracts may be used as sustainable food ingredients. However, more research is needed to verify their safety.
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Affiliation(s)
- Jan-Erik Raitanen
- Natural Resources Institute Finland (Luke), Tietotie 2, FI-02150 Espoo, Finland; (J.-E.R.); (R.K.); (P.K.); (J.L.); (A.O.)
- Department of Chemistry, University of Helsinki, PO Box 55, FI-00014 Helsinki, Finland
| | - Eila Järvenpää
- Natural Resources Institute Finland (Luke), Myllytie 1, FI-31600 Jokioinen, Finland; (E.J.); (S.M.); (J.H.); (T.T.)
| | - Risto Korpinen
- Natural Resources Institute Finland (Luke), Tietotie 2, FI-02150 Espoo, Finland; (J.-E.R.); (R.K.); (P.K.); (J.L.); (A.O.)
| | - Sari Mäkinen
- Natural Resources Institute Finland (Luke), Myllytie 1, FI-31600 Jokioinen, Finland; (E.J.); (S.M.); (J.H.); (T.T.)
| | - Jarkko Hellström
- Natural Resources Institute Finland (Luke), Myllytie 1, FI-31600 Jokioinen, Finland; (E.J.); (S.M.); (J.H.); (T.T.)
| | - Petri Kilpeläinen
- Natural Resources Institute Finland (Luke), Tietotie 2, FI-02150 Espoo, Finland; (J.-E.R.); (R.K.); (P.K.); (J.L.); (A.O.)
| | - Jaana Liimatainen
- Natural Resources Institute Finland (Luke), Tietotie 2, FI-02150 Espoo, Finland; (J.-E.R.); (R.K.); (P.K.); (J.L.); (A.O.)
| | - Ari Ora
- Natural Resources Institute Finland (Luke), Tietotie 2, FI-02150 Espoo, Finland; (J.-E.R.); (R.K.); (P.K.); (J.L.); (A.O.)
| | - Tuomo Tupasela
- Natural Resources Institute Finland (Luke), Myllytie 1, FI-31600 Jokioinen, Finland; (E.J.); (S.M.); (J.H.); (T.T.)
| | - Tuula Jyske
- Natural Resources Institute Finland (Luke), Tietotie 2, FI-02150 Espoo, Finland; (J.-E.R.); (R.K.); (P.K.); (J.L.); (A.O.)
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19
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Basalekou M, Kyraleou M, Pappas C, Tarantilis P, Kotseridis Y, Kallithraka S. Proanthocyanidin content as an astringency estimation tool and maturation index in red and white winemaking technology. Food Chem 2019; 299:125135. [PMID: 31302431 DOI: 10.1016/j.foodchem.2019.125135] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 07/04/2019] [Accepted: 07/05/2019] [Indexed: 11/16/2022]
Abstract
Selecting the appropriate type of barrel for wine maturation but also deciding on the optimum maturation length, is a challenge for winemakers. As different types of barrel woods emerge, it is of great importance for a guideline to be established, which could facilitate winemaking decisions. Since the sensory perception of the finished wine, and particularly the intensity of astringency, is a decisive factor for the quality of a barrel-aged wine, in this experiment, the structural characteristics of wine proanthocyanidins were determined and their correlation with astringency was established. According to the results obtained, the proanthocyanidin content and the type of subunit that is dominant in tannin chains could be used to construct an astringency estimation model. The findings could provide winemakers with a useful tool when deciding how long to mature a specific type of wine in a specific wood container without making it appear coarse and astringent.
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Affiliation(s)
- Marianthi Basalekou
- Department of Food Science & Human Nutrition, Laboratory of Oenology, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece
| | - Maria Kyraleou
- Department of Food Science & Human Nutrition, Laboratory of Oenology, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece
| | - Christos Pappas
- Department of Food Science & Human Nutrition, Laboratory of General Chemistry, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece
| | - Petros Tarantilis
- Department of Food Science & Human Nutrition, Laboratory of General Chemistry, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece
| | - Yorgos Kotseridis
- Department of Food Science & Human Nutrition, Laboratory of Oenology, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece
| | - Stamatina Kallithraka
- Department of Food Science & Human Nutrition, Laboratory of Oenology, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece.
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20
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Measurement of the interaction between mucin and oenological tannins by Surface Plasmon Resonance (SPR); relationship with astringency. Food Chem 2019; 275:397-406. [DOI: 10.1016/j.foodchem.2018.09.075] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 09/06/2018] [Accepted: 09/12/2018] [Indexed: 11/22/2022]
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21
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Cebrián-Tarancón C, Sánchez-Gómez R, Gómez-Alonso S, Hermosín-Gutierrez I, Mena-Morales A, García-Romero E, Salinas MR, Zalacain A. Vine-Shoot Tannins: Effect of Post-pruning Storage and Toasting Treatment. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:5556-5562. [PMID: 29770693 DOI: 10.1021/acs.jafc.8b01540] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
For the first time vine-shoot tannin composition was carried out by means of HPLC-DAD-ESI-MS/MS. Two vine-shoot cultivars (Airén and Cencibel) with different post-pruning storage times were submitted to a toasting process and assayed. There were no traces of gallotannins nor ellagitannins, but a high proanthocyanidin content and a mean degree of polymerization (mDP) close to 3 were characterized. The higher concentration of proanthocyanidins corresponded to Airén after 6 months post-pruning storage and at 3 months for Cencibel. Procyanidins were the most abundant fraction (70-95%), which decreased with storage, and especially significant was the contribution of B1, B2, and B4 dimers. Prodelphinidins were also found (8-24%), increasing their % with storage time. Toasting produced a considerable reduction of proanthocyanidin content and a loss of a monomer mDP unit, suggesting that if used as oenological tannins, then they may be more bitter and less astringent when compared with the nontoasted vine-shoot samples.
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Affiliation(s)
- Cristina Cebrián-Tarancón
- Universidad de Castilla-La Mancha , E.T.S.I. Agrónomos y Montes, Cátedra de Química Agrícola , Avenida de España s/n , 02071 Albacete , Spain
| | - Rosario Sánchez-Gómez
- Universidad de Castilla-La Mancha , E.T.S.I. Agrónomos y Montes, Cátedra de Química Agrícola , Avenida de España s/n , 02071 Albacete , Spain
| | - Sergio Gómez-Alonso
- Universidad de Castilla-La Mancha , Instituto Regional de Investigación Científica Aplicada , Avenida Camilo José Cela s/n , 13071 Ciudad Real , Spain
| | - Isidro Hermosín-Gutierrez
- Universidad de Castilla-La Mancha , Instituto Regional de Investigación Científica Aplicada , Avenida Camilo José Cela s/n , 13071 Ciudad Real , Spain
| | - Adela Mena-Morales
- Instituto de la Vid y el Vino de Castilla-La Mancha , Carretera de Albacete s/n , 13700 Tomelloso , Spain
| | - Esteban García-Romero
- Instituto de la Vid y el Vino de Castilla-La Mancha , Carretera de Albacete s/n , 13700 Tomelloso , Spain
| | - M Rosario Salinas
- Universidad de Castilla-La Mancha , E.T.S.I. Agrónomos y Montes, Cátedra de Química Agrícola , Avenida de España s/n , 02071 Albacete , Spain
| | - Amaya Zalacain
- Universidad de Castilla-La Mancha , E.T.S.I. Agrónomos y Montes, Cátedra de Química Agrícola , Avenida de España s/n , 02071 Albacete , Spain
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22
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Petropoulos S, Kanellopoulou A, Paraskevopoulos I, Kotseridis Y, Kallithraka S. Characterization of grape and wine proanthocyanidins of Agiorgitiko ( Vitis vinifera L. cv.) cultivar grown in different regions of Nemea. J Food Compost Anal 2017. [DOI: 10.1016/j.jfca.2017.07.038] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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23
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Changes in Tannin Composition of Syrah Grape Skins and Seeds during Fruit Ripening under Contrasting Water Conditions. Molecules 2017; 22:molecules22091453. [PMID: 28862687 PMCID: PMC6151526 DOI: 10.3390/molecules22091453] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Revised: 08/28/2017] [Accepted: 08/30/2017] [Indexed: 11/17/2022] Open
Abstract
Tannin accumulation and composition were determined in skins and seeds isolated from Vitis vinifera cv. Syrah grapes submitted to contrasting water regimes under semiarid climatic conditions. Three irrigation treatments were conducted, starting at berry set through harvest of two growing seasons, 2011 and 2012: irrigation at 100% of crop evapotranspiration ETc (FI), irrigation at 50% of ETc (DI) and non-irrigated (NI). Seed total tannins did not vary with maturity but those of skins underwent a progressive decline (especially in 2011), expressed both on a fresh weight and on a per berry basis. Skin total tannin concentration and content per berry were increased under NI and DI conditions, mainly in 2012. In contrast, seed total tannins (in 2012) and flavan-3-ol monomers and tannin oligomers (both years) were higher in the fully irrigated vines (FI). Skin polymer size increased during ripening, NI and DI skins showing higher mean degree of polymerization (mDP) compared to FI at harvest. NI was also associated with a lower percentage of galloylation (%G) in skin oligomeric fraction (in 2012) and a lower percentage of prodelphinidins in the skin polymeric fraction (both years) at harvest. The mDP and %G of seed extracts did not vary during ripening and were higher in NI but only in 2012. According to the results, management of vine water status was shown to influence tannin amount and composition of Syrah grapes grown under semiarid conditions.
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24
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Vazallo-Valleumbrocio G, Medel-Marabolí M, Peña-Neira Á, López-Solís R, Obreque-Slier E. Commercial enological tannins: Characterization and their relative impact on the phenolic and sensory composition of Carménère wine during bottle aging. Lebensm Wiss Technol 2017. [DOI: 10.1016/j.lwt.2017.05.022] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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25
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Cáceres-Mella A, Talaverano MI, Villalobos-González L, Ribalta-Pizarro C, Pastenes C. Controlled water deficit during ripening affects proanthocyanidin synthesis, concentration and composition in Cabernet Sauvignon grape skins. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2017; 117:34-41. [PMID: 28587991 DOI: 10.1016/j.plaphy.2017.05.015] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Revised: 05/17/2017] [Accepted: 05/25/2017] [Indexed: 05/26/2023]
Abstract
The influence of controlled water deficit on the phenolic composition and gene expression of VvLAR2, VvMYBPA1, VvMYBPA2 and VvMYB4a in Cabernet Sauvignon grape skins throughout ripening was investigated. The assay was carried out on own-rooted Vitis vinifera plants cv. Cabernet Sauvignon in a commercial vineyard from veraison until commercial harvest. Three irrigation regimes were used from veraison until harvest with the following treatments: T1: 3.6 mm day-1; T2: 1.8 mm day-1 and T3: 0.3 mm day-1. The content of total phenols and total anthocyanins in grape skins increased during ripening, but water deficit did not produce differences among treatments in the total anthocyanin concentration. Proanthocyanidins (PAs) decreased throughout ripening, although approximately 25 days after veraison (DAV), their content slightly increased. This effect was more pronounced in the most restrictive treatment (T3). A similar pattern was observed in the transcript abundance of VvLAR2, VvMYBPA1 and VvMYB4a. PAs separation revealed differences in concentration but not in the proportion among fractions among the irrigation treatments. Additionally, controlled water deficit increased the mean degree of polymerization and the flavan-3-ol polymeric concentration in grape skins throughout ripening but with no effects on the extent of PAs galloylation. Our results suggest that the water status of Cabernet Sauvignon grapevines affects the gene expression for proteins involved in the synthesis of PAs, increasing their concentration and also their composition, with further evidence for the efficacy of a convenient, controlled water deficit strategy for grapevine cultivation.
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Affiliation(s)
- Alejandro Cáceres-Mella
- Escuela de Agronomía, Pontificia Universidad Católica de Valparaíso, San Francisco s/n, La Palma, Casilla 4-D, Quillota, Chile.
| | - M Inmaculada Talaverano
- CICYTEX-Technological Institute of Food and Agriculture-INTAEX (Government of Extremadura), Adolfo Suarez, s/n 06071, Badajoz, Spain
| | - Luis Villalobos-González
- Universidad de Chile, Facultad de Ciencias Agronómicas, Santa Rosa 11315, La Pintana, Casilla 1004, Santiago, Chile
| | - Camila Ribalta-Pizarro
- Centro Regional de Innovación Hortofrutícola de Valparaíso (Ceres), Pontificia Universidad Católica de Valparaíso, Av. San Francisco s/n, La Palma, Quillota, Chile
| | - Claudio Pastenes
- Universidad de Chile, Facultad de Ciencias Agronómicas, Santa Rosa 11315, La Pintana, Casilla 1004, Santiago, Chile
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26
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Navarro M, Kountoudakis N, Gómez-Alonso S, García-Romero E, Canals JM, Hermosín-Gutíerrez I, Zamora F. Comparison between the contribution of ellagitannins of new oak barrels and one-year-used barrels. BIO WEB OF CONFERENCES 2016. [DOI: 10.1051/bioconf/20160702016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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27
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Influence of the botanical origin and toasting level on the ellagitannin content of wines aged in new and used oak barrels. Food Res Int 2016; 87:197-203. [DOI: 10.1016/j.foodres.2016.07.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Revised: 07/14/2016] [Accepted: 07/22/2016] [Indexed: 11/22/2022]
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28
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Kyraleou M, Kotseridis Y, Koundouras S, Chira K, Teissedre PL, Kallithraka S. Effect of irrigation regime on perceived astringency and proanthocyanidin composition of skins and seeds of Vitis vinifera L. cv. Syrah grapes under semiarid conditions. Food Chem 2016; 203:292-300. [PMID: 26948617 DOI: 10.1016/j.foodchem.2016.02.052] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2015] [Revised: 02/02/2016] [Accepted: 02/04/2016] [Indexed: 10/22/2022]
Abstract
In this work, the effect of water availability on astringency of seed and skin extracts of Vitis vinifera cv. Syrah berries under the typical semiarid conditions of Greece was investigated. Moreover, astringency was assessed in relation to proanthocyanidin composition. For this purpose, three irrigation treatments were applied starting at berry set through harvest of 2011 and 2012: full irrigation (FI) at 100% of crop evapotranspiration, deficit irrigation (DI) at 50% and non-irrigated (NI). FI skin and seed extracts were perceived significantly more astringent than NI. Total phenol, total tannin, (+)-catechin, (-)-epicatechin and procyanidin C1 concentrations were positively correlated with astringency. Positive correlations were also obtained among astringency and average degree of polymerization and proportion of the extension units of shorter tannins while astringency of larger tannins was correlated with the proportion of terminal units. On the contrary, total anthocyanin and epigallocatechin contents were negatively correlated with astringency.
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Affiliation(s)
- Maria Kyraleou
- Department of Food Science & Human Nutrition, Agricultural University of Athens, Laboratory of Enology, 11855 Athens, Greece
| | - Yorgos Kotseridis
- Department of Food Science & Human Nutrition, Agricultural University of Athens, Laboratory of Enology, 11855 Athens, Greece
| | - Stefanos Koundouras
- Laboratory of Viticulture, School of Agriculture, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Kleopatra Chira
- Univ. Bordeaux, ISVV, EA 4577, Œnologie, 210 Chemin de Leysotte, 33140 Villenave d'Ornon, France; INRA, ISVV, USC 1366 Œnologie, 210 Chemin de Leysotte, 33140 Villenave d'Ornon, France
| | - Pierre-Louis Teissedre
- Univ. Bordeaux, ISVV, EA 4577, Œnologie, 210 Chemin de Leysotte, 33140 Villenave d'Ornon, France; INRA, ISVV, USC 1366 Œnologie, 210 Chemin de Leysotte, 33140 Villenave d'Ornon, France
| | - Stamatina Kallithraka
- Department of Food Science & Human Nutrition, Agricultural University of Athens, Laboratory of Enology, 11855 Athens, Greece.
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