1
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Bambina P, Gancel AL, Corona O, Jourdes M, Teissedre PL. Soil effect on proanthocyanidins composition of red and white wines obtained from Nero d'Avola and Grillo Vitis vinifera L. Cultivars. Food Chem 2024; 443:138521. [PMID: 38280367 DOI: 10.1016/j.foodchem.2024.138521] [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: 09/10/2023] [Revised: 01/17/2024] [Accepted: 01/18/2024] [Indexed: 01/29/2024]
Abstract
In this study, the effects of the main soil chemical-physical parameters (i.e. texture, pH, total carbonates, cation exchange capacity, electric conductivity, organic matter and mineral endowment) on proanthocyanidin composition of Nero d'Avola red wines and Grillo white wines were investigated. Monomer proanthocyanidins (i.e. (+)-catechin and (-)-epicatechin) and oligomer proanthocyanidins (i.e. B1, B2, B3 and B4 dimers and C1 trimer), as well as proanthocyanidins subunit composition, percentage of galloylation, percentage of prodelphinidins and mean degree of polymerization, were studied for each wine. Results highlighted that the proanthocyanidins composition of both red and white wines is greatly affected by soil. In particular, the proanthocyanidins composition of Nero d'Avola red wines appeared to be affected by the soil physical-chemical parameters related to nutrients dynamics (CEC, EC, pH, organic matter, mineral endowment), whereas the proanthocyanidins composition of Grillo white wines was mainly influenced by the soil texture, that modulates soil water dynamics.
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Affiliation(s)
- Paola Bambina
- Department of Agricultural, Food and Forestry Sciences, University of Palermo, V.le delle Scienze 13, 90128 Palermo, Italy.
| | - Anne-Laure Gancel
- Institut des Sciences de la Vigne et du Vin, Université de Bordeaux, 210, chemin de Leysotte, 33882 Villenave d'Ornon cedex, France.
| | - Onofrio Corona
- Department of Agricultural, Food and Forestry Sciences, University of Palermo, V.le delle Scienze 13, 90128 Palermo, Italy.
| | - Michael Jourdes
- Institut des Sciences de la Vigne et du Vin, Université de Bordeaux, 210, chemin de Leysotte, 33882 Villenave d'Ornon cedex, France.
| | - Pierre-Louis Teissedre
- Institut des Sciences de la Vigne et du Vin, Université de Bordeaux, 210, chemin de Leysotte, 33882 Villenave d'Ornon cedex, France.
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2
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Vion C, Le Mao I, Yeramian N, Muro M, Bernard M, Da Costa G, Richard T, Marullo P. Targeted 1-H-NMR wine analyses revealed specific metabolomic signatures of yeast populations belonging to the Saccharomyces genus. Food Microbiol 2024; 120:104463. [PMID: 38431337 DOI: 10.1016/j.fm.2024.104463] [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: 05/11/2023] [Revised: 01/02/2024] [Accepted: 01/03/2024] [Indexed: 03/05/2024]
Abstract
This study aimed to explore the non-volatile metabolomic variability of a large panel of strains (44) belonging to the Saccharomyces cerevisiae and Saccharomyces uvarum species in the context of the wine alcoholic fermentation. For the S. cerevisiae strains flor, fruit and wine strains isolated from different anthropic niches were compared. This phenotypic survey was achieved with a special focus on acidity management by using natural grape juices showing opposite level of acidity. A 1H NMR based metabolomics approach was developed for quantifying fifteen wine metabolites that showed important quantitative variability within the strains. Thanks to the robustness of the assay and the low amount of sample required, this tool is relevant for the analysis of the metabolomic profile of numerous wines. The S. cerevisiae and S. uvarum species displayed significant differences for malic, succinic, and pyruvic acids, as well as for glycerol and 2,3-butanediol production. As expected, S. uvarum showed weaker fermentation fitness but interesting acidifying properties. The three groups of S. cerevisiae strains showed different metabolic profiles mostly related to their production and consumption of organic acids. More specifically, flor yeast consumed more malic acid and produced more acetic acid than the other S. cerevisiae strains which was never reported before. These features might be linked to the ability of flor yeasts to shift their metabolism during wine oxidation.
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Affiliation(s)
- Charlotte Vion
- Biolaffort, Bordeaux, France; UMR 1366 Œnologie, Université de Bordeaux, INRAE, Bordeaux INP, BSA, ISVV, France
| | - Ines Le Mao
- UMR 1366 Œnologie, Université de Bordeaux, INRAE, Bordeaux INP, BSA, ISVV, France
| | - Nadine Yeramian
- Microbiology Division, Department of Biotechnology and Food Science, Faculty of Science-University of Burgos, Spain
| | - Maïtena Muro
- Biolaffort, Bordeaux, France; UMR 1366 Œnologie, Université de Bordeaux, INRAE, Bordeaux INP, BSA, ISVV, France
| | - Margaux Bernard
- Biolaffort, Bordeaux, France; UMR 1366 Œnologie, Université de Bordeaux, INRAE, Bordeaux INP, BSA, ISVV, France
| | - Grégory Da Costa
- UMR 1366 Œnologie, Université de Bordeaux, INRAE, Bordeaux INP, BSA, ISVV, France
| | - Tristan Richard
- UMR 1366 Œnologie, Université de Bordeaux, INRAE, Bordeaux INP, BSA, ISVV, France
| | - Philippe Marullo
- Biolaffort, Bordeaux, France; UMR 1366 Œnologie, Université de Bordeaux, INRAE, Bordeaux INP, BSA, ISVV, France.
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3
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Keivani N, Piccolo V, Marzocchi A, Maisto M, Tenore GC, Summa V. Optimization and Validation of Procyanidins Extraction and Phytochemical Profiling of Seven Herbal Matrices of Nutraceutical Interest. Antioxidants (Basel) 2024; 13:586. [PMID: 38790691 PMCID: PMC11117784 DOI: 10.3390/antiox13050586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 04/28/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024] Open
Abstract
Several medicinal herbal plants are extensively used as sources of bioactive compounds with beneficial effects on human health. This study assessed the procyanidin and polyphenol profiles together with the antioxidant potential of seven herbal medical matrices. To achieve this aim, procyanidin extraction from grape pomace was optimized and validated by monitoring monomeric-trimeric procyanidins. The proposed quantification method was applied to the seven medical herbs, and it proved to be a very efficient protocol for procyanidin-rich extracts analysis. In addition, the Paullinia cupana Kunth. seed was identified as a very rich source of procyanidins (about 5 mg/g dry matrix of each dimeric and about 3 mg/g dry matrix trimeric) with high antioxidant properties. The polyphenolic profile was assessed by HPLC-HESI-MS/MS analysis. The in vitro antioxidant activity was evaluated by DPPH assay to explore the antioxidant properties of the extracts, which were substantially higher in Peumus boldus Molina leaves extracts (935.23 ± 169 μmol of Trolox equivalent/g of dry weight) concerning the other matrices. Moreover, a high Pearson coefficient value was observed between the total flavonoid content (TFC) and DPPH in comparison with the total polyphenol content (TPC) and DPPH, indicating flavonoids as the principal bioactive with antioxidant activity in the extracts.
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Affiliation(s)
| | | | | | | | | | - Vincenzo Summa
- Department of Pharmacy, School of Medicine and Surgery, University of Napoli Federico II, Via Domenico Montesano 49, 80131 Napoli, Italy; (N.K.); (V.P.); (A.M.); (M.M.); (G.C.T.)
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4
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Zhou X, Liu W, Li K, Lu D, Su Y, Ju Y, Fang Y, Yang J. Discrimination of Maturity Stages of Cabernet Sauvignon Wine Grapes Using Visible-Near-Infrared Spectroscopy. Foods 2023; 12:4371. [PMID: 38231878 DOI: 10.3390/foods12234371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 11/30/2023] [Accepted: 12/01/2023] [Indexed: 01/19/2024] Open
Abstract
Grape quality and ripeness play a crucial role in producing exceptional wines with high-value characteristics, which requires an effective assessment of grape ripeness. The primary purpose of this research is to explore the possible application of visible-near-infrared spectral (Vis-NIR) technology for classifying the maturity stages of wine grapes based on quality indicators. The reflection spectra of Cabernet Sauvignon grapes were recorded using a spectrometer in the spectral range of 400 nm to 1029 nm. After measuring the soluble solids content (SSC), total acids (TA), total phenols (TP), and tannins (TN), the grape samples were categorized into five maturity stages using a spectral clustering method. A traditional supervised classification method, a support vector machine (SVM), and two deep learning techniques, namely stacked autoencoders (SAE) and one-dimensional convolutional neural networks (1D-CNN), were employed to construct a discriminant model and investigate the association linking grape maturity stages and the spectral responses. The spectral data went through three commonly used preprocessing methods, and feature wavelengths were extracted using a competitive adaptive reweighting algorithm (CARS). The spectral data model preprocessed via multiplicative scattering correction (MSC) outperformed the other two preprocessing methods. After preprocessing, a comparison was made between the discriminant models established with full and effective spectral data. It was observed that the SAE model, utilizing the feature spectrum, demonstrated superior overall performance. The classification accuracies of the calibration and prediction sets were 100% and 94%, respectively. This study showcased the dependability of combining Vis-NIR spectroscopy with deep learning methods for rapidly and accurately distinguishing the ripeness stage of grapes. It has significant implications for future applications in wine production and the development of optoelectronic instruments tailored to the specific needs of the winemaking industry.
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Affiliation(s)
- Xuejian Zhou
- College of Enology, Northwest A&F University, Yangling 712100, China
| | - Wenzheng Liu
- College of Enology, Northwest A&F University, Yangling 712100, China
| | - Kai Li
- College of Enology, Northwest A&F University, Yangling 712100, China
| | - Dongqing Lu
- College of Enology, Northwest A&F University, Yangling 712100, China
| | - Yuan Su
- College of Enology, Northwest A&F University, Yangling 712100, China
| | - Yanlun Ju
- College of Enology, Northwest A&F University, Yangling 712100, China
| | - Yulin Fang
- College of Enology, Northwest A&F University, Yangling 712100, China
| | - Jihong Yang
- College of Enology, Northwest A&F University, Yangling 712100, China
- College of Food Science and Pharmacy, Xinjiang Agricultural University, Urumqi 830052, China
- Shaanxi Engineering Research Center for Viti-Viniculture, Yangling 712100, China
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5
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Ferreyra S, Bottini R, Fontana A. Background and Perspectives on the Utilization of Canes' and Bunch Stems' Residues from Wine Industry as Sources of Bioactive Phenolic Compounds. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023. [PMID: 37267502 DOI: 10.1021/acs.jafc.3c01635] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Viticulture activity produces a significant amount of grapevine woody byproducts, such as bunch stems and canes, which constitute potential sources of a wide range of phenolic compounds (PCs) with purported applications. Recently, the study of these byproducts has been increased as a source of health-promoting phytochemicals. Antioxidant, antimicrobial, antifungal, and antiaging properties have been reported, with most of these effects being linked to the high content of PCs with antioxidant properties. This Review summarizes the data related to the qualitative and quantitative composition of PCs recovered from canes and bunch stems side streams of the wine industry, the influence that the different environmental and storage conditions have on the final concentration of PCs, and the current reported applications in specific technological fields. The objective is to give a complete valuation of the key factors to consider, starting from the field to the final extracts, to attain the most suitable and stable characterized product.
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Affiliation(s)
- Susana Ferreyra
- Grupo de Bioquímica Vegetal, Instituto de Biología Agrícola de Mendoza, Consejo Nacional de Investigaciones Científicas y Técnicas-Universidad Nacional de Cuyo, Almirante Brown 500, M5528AHB Chacras de Coria, Argentina
| | - Rubén Bottini
- Instituto de Veterinaria Ambiente y Salud, Universidad Juan A. Maza, Lateral Sur del Acceso Este 2245, 5519 Guaymallén, Argentina
| | - Ariel Fontana
- Grupo de Bioquímica Vegetal, Instituto de Biología Agrícola de Mendoza, Consejo Nacional de Investigaciones Científicas y Técnicas-Universidad Nacional de Cuyo, Almirante Brown 500, M5528AHB Chacras de Coria, Argentina
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6
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An J, Wilson DI, Deed RC, Kilmartin PA, Young BR, Yu W. The importance of outlier rejection and significant explanatory variable selection for pinot noir wine soft sensor development. Curr Res Food Sci 2023; 6:100514. [PMID: 37251636 PMCID: PMC10209686 DOI: 10.1016/j.crfs.2023.100514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 04/24/2023] [Accepted: 05/04/2023] [Indexed: 05/31/2023] Open
Abstract
Sensory attributes are essential factors in determining the quality of wines. However, it can be challenging for consumers, even experts, to differentiate and quantify wines' sensory attributes for quality control. Soft sensors based on rapid chemical analysis offer a potential solution to overcome this challenge. However, the current limitation in developing soft sensors for wines is the need for a significant number of input parameters, at least 12, necessitating costly and time-consuming analyses. While such a comprehensive approach provides high accuracy in sensory quality mapping, the expensive and time-consuming studies required do not lend themselves to the industry's routine quality control activities. In this work, Box plots, Tucker-1 plots, and Principal Component Analysis (PCA) score plots were used to deal with output data (sensory attributes) to improve the model quality. More importantly, this work has identified that the number of analyses required to fully quantify by regression models and qualify by classification models can be significantly reduced. Based on regression models, only four key chemical parameters (total flavanols, total tannins, A520nmHCl, and pH) were required to accurately predict 35 sensory attributes of a wine with R2 values above 0.6 simultaneously. In addition, for classification models to accurately predict 35 sensory attributes of a wine at once with prediction accuracy above 70%, only four key chemical parameters (A280nmHCl, A520nmHCl, chemical age and pH) were required. These models with reduced chemical parameters complement each other in sensory quality mapping and provide acceptable accuracy. The application of the soft sensor based on these reduced sets of key chemical parameters translated to a potential reduction in analytical cost and labour cost of 56% for the regression model and 83% for the classification model, respectively, making these models suitable for routine quality control use.
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Affiliation(s)
| | | | | | | | | | - Wei Yu
- The University of Auckland, New Zealand
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7
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Moutinho J, Gouvinhas I, Domínguez-Perles R, Barros A. Optimization of the Extraction Methodology of Grape Pomace Polyphenols for Food Applications. Molecules 2023; 28:molecules28093885. [PMID: 37175294 PMCID: PMC10180386 DOI: 10.3390/molecules28093885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 04/26/2023] [Accepted: 05/02/2023] [Indexed: 05/15/2023] Open
Abstract
This study aims to take advantage of the wine industry by-products and extract bioactive compounds from grape pomace by applying methodologies susceptible to be integrated easily into industrial workflows because of the association with standard instrumentation and facilities, while the main factors affecting the efficiency of the process have been optimized. The sampling consisted of two grape varieties: 'Touriga Nacional' and 'Sousão'. A response surface methodology (RSM) method was used to optimize the extraction conditions based on three independent variables according to the chemical characteristics and stability/lability traits associated with polyphenols; the main bioactive phytochemical in grape pomace: solvent (50%, 70%, and 90% ethanol); temperature (20 °C, 40 °C, and 60 °C); and pH (0.5% HCl, 2% HCl, and 3.5% HCl). The phytochemical profile, as well as the radical scavenging and reducing powers were determined on 27 different samples. The highest yield and antioxidant activity corresponded to extracts obtained at 60 °C using 3.5% HCl and 70% ethanol. The values for total phenols and flavonoids were 44.93 mg of gallic acid equivalents (GAE) and 22.95 mg of catechins equivalents (CE) per gram, respectively. Concerning the evaluation of antioxidant capacity using various assays such as ABTS, DPPH, and FRAP, the results obtained were 0.30, 0.43, and 0.36 mmol of Trolox equivalent antioxidant capacity (TEAC) per gram, correspondingly. The analysis of the extract obtained with the best extraction performance using these parameters via High-Performance Liquid Chromatography-Mass Spectrometry has been also performed, allowing us to identify fourteen (14) compounds, including phenolic acids (n = 3), flavonols (n = 7), and anthocyanins (n = 4). As a result of this process, the best conditions for the production of a natural and environmentally friendly dye, not only avoiding waste but also reusing these by-products, were achieved.
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Affiliation(s)
- Joana Moutinho
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB)/Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production (Inov4Agro), University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal
| | - Irene Gouvinhas
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB)/Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production (Inov4Agro), University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal
| | - Raúl Domínguez-Perles
- Phytochemistry and Healthy Food Lab (LabFAS), Department of Food Science and Technology, CEBAS, CSIC, University Campus of Espinardo-25, 30100 Murcia, Spain
| | - Ana Barros
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB)/Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production (Inov4Agro), University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal
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8
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Mafata M, Stander M, Masike K, Buica A. Exploratory data fusion of untargeted multimodal LC-HRMS with annotation by LCMS-TOF-ion mobility: White wine case study. EUROPEAN JOURNAL OF MASS SPECTROMETRY (CHICHESTER, ENGLAND) 2023; 29:111-122. [PMID: 36942424 PMCID: PMC10068406 DOI: 10.1177/14690667231164096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 02/27/2023] [Indexed: 06/18/2023]
Abstract
Applied sciences have increased focus on omics studies which merge data science with analytical tools. These studies often result in large amounts of data produced and the objective is to generate meaningful interpretations from them. This can sometimes mean combining and integrating different datasets through data fusion techniques. The most strategic course of action when dealing with products of unknown profile is to use exploratory approaches. For omics, this means using untargeted analytical methods and exploratory data analysis techniques. The current study aimed to perform data fusion on untargeted multimodal (negative and positive mode) liquid chromatography-high-resolution mass spectrometry data using multiple factor analysis. The data fusion results were interpreted using agglomerative hierarchical clustering on biplot projections. The study reduced the thousands of spectral signals processed to less than a hundred features (a primary parameter combination of retention time and mass-to-charge ratios, RT_m/z). The correlations between cluster members (samples and features from) were calculated and the top 10% highly correlated features were identified for each cluster. These features were then tentatively identified using secondary parameters (drift time, ion mobility constant and collision cross-section values) from the ion mobility spectra. These ion mobility (secondary) parameters can be used for future studies in wine chemical analysis and added to the growing list of annotated chemical signals in applied sciences.
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Affiliation(s)
- Mpho Mafata
- School for Data Science and Computational Thinking,
Stellenbosch
University, Stellenbosch, South
Africa
- Department of Viticulture and Oenology, South African Grape and Wine
Research Institute, Stellenbosch
University, Stellenbosch, South
Africa
| | - Maria Stander
- Central Analytical Facility, Stellenbosch
University, Stellenbosch, South Africa
| | - Keabetswe Masike
- Central Analytical Facility, Stellenbosch
University, Stellenbosch, South Africa
| | - Astrid Buica
- School for Data Science and Computational Thinking,
Stellenbosch
University, Stellenbosch, South
Africa
- Department of Viticulture and Oenology, South African Grape and Wine
Research Institute, Stellenbosch
University, Stellenbosch, South
Africa
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9
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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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10
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MUKHAMETOV A, PALIIVETS M, BERECHIKIDZE I, SERIKKYZY M. Evaluating the recovery of bioactive compounds and antioxidant activity of unripe red grape liquid extracts obtained by maceration. FOOD SCIENCE AND TECHNOLOGY 2023. [DOI: 10.1590/fst.117922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
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11
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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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12
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Giglio C, Yang Y, Kilmartin P. Analysis of Phenolics in New Zealand Pinot Noir Wines Using UV-Visible Spectroscopy and Chemometrics. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2022.105106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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13
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Di Bella G, Porretti M, Albergamo A, Mucari C, Tropea A, Rando R, Nava V, Lo Turco V, Potortì AG. Valorization of Traditional Alcoholic Beverages: The Study of the Sicilian Amarena Wine during Bottle Aging. Foods 2022; 11:foods11142152. [PMID: 35885399 PMCID: PMC9322394 DOI: 10.3390/foods11142152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 07/14/2022] [Accepted: 07/18/2022] [Indexed: 12/07/2022] Open
Abstract
Traditional alcoholic beverages have always been part of the Mediterranean culture and, lately, they have been re-evaluated to valorize both the territory and local customs. In this study, the Amarena wine, a fortified wine included in the national list of the traditional agri-food products, was characterized during bottle aging for oenological parameters, chromaticity, volatiles, and inorganic elements. Then, experimental data were visually interpreted by a principal component analysis (PCA). PCA revealed that most of oenological parameters (i.e., alcoholic grade, total dry extract, sugars, organic acids, and phenolic compounds) had a scarce discriminating power. Additionally, ethyl esters were only present in younger products, while remaining at quite constant levels. Conversely, certain metals (i.e., Mg, Na, Mn, Zn, and Cu), chromatic properties, and pH differentiated older Amarena bottles from the younger counterpart. Particularly, acetaldehyde and furanic compounds proved to be valid aging markers. A sensorial analysis highlighted that fruity and floral odors and flavors characterized younger beverages, while dried fruity, nutty, and spicy notes were displayed by older products, along with the valuable attribute of “oxidized” typically observed in aged Sherry wines. Overall, this study may encourage the production and commercialization of the Amarena wine, thus preserving the cultural heritage of the Mediterranean area.
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Affiliation(s)
- Giuseppa Di Bella
- Department of Biomedical, Dental, Morphological and Functional Images Sciences (BIOMORF), University of Messina, 98100 Messina, Italy; (G.D.B.); (R.R.); (V.N.); (V.L.T.); (A.G.P.)
| | - Miriam Porretti
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98100 Messina, Italy;
| | - Ambrogina Albergamo
- Department of Biomedical, Dental, Morphological and Functional Images Sciences (BIOMORF), University of Messina, 98100 Messina, Italy; (G.D.B.); (R.R.); (V.N.); (V.L.T.); (A.G.P.)
- Correspondence:
| | - Claudio Mucari
- Fondazione Albatros—ITS Agroalimentare, 98100 Messina, Italy;
| | - Alessia Tropea
- Department of Research and Internationalization, University of Messina, 98100 Messina, Italy;
| | - Rossana Rando
- Department of Biomedical, Dental, Morphological and Functional Images Sciences (BIOMORF), University of Messina, 98100 Messina, Italy; (G.D.B.); (R.R.); (V.N.); (V.L.T.); (A.G.P.)
| | - Vincenzo Nava
- Department of Biomedical, Dental, Morphological and Functional Images Sciences (BIOMORF), University of Messina, 98100 Messina, Italy; (G.D.B.); (R.R.); (V.N.); (V.L.T.); (A.G.P.)
| | - Vincenzo Lo Turco
- Department of Biomedical, Dental, Morphological and Functional Images Sciences (BIOMORF), University of Messina, 98100 Messina, Italy; (G.D.B.); (R.R.); (V.N.); (V.L.T.); (A.G.P.)
| | - Angela Giorgia Potortì
- Department of Biomedical, Dental, Morphological and Functional Images Sciences (BIOMORF), University of Messina, 98100 Messina, Italy; (G.D.B.); (R.R.); (V.N.); (V.L.T.); (A.G.P.)
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14
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López-Rituerto E, Sørensen KM, Savorani F, Engelsen SB, Avenoza A, Peregrina JM, Busto JH. Monitoring of the Rioja red wine production process by 1 H-NMR spectroscopy. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:3808-3816. [PMID: 34921687 DOI: 10.1002/jsfa.11729] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 12/14/2021] [Accepted: 12/18/2021] [Indexed: 06/14/2023]
Abstract
BACKGROUND As an inherently quantitative and unbiased analytical technique, proton nuclear magnetic resonance (1 H-NMR) provides an excellent method to monitor the quality of food and beverages, and a sensitive and informative tool to study the winemaking process. RESULTS By using NMR, it is possible to monitor quantitative changes in wine metabolites (amino acids, organic acids and some phenolic compounds) during the winemaking process, including wine ageing. This study shows an increase in the concentration of the phenols at the beginning of alcoholic fermentation, as well as a stabilization and slight increase in gallic acid and a slight decrease in resveratrol during the oak barrel ageing step. CONCLUSION This study demonstrates the potential of NMR as a process analytical technology (PAT) tool in the wine industry, by monitoring amino acids, organic acids and three polyphenols - gallic acid, catechin and resveratrol - during the winemaking process. This study of the time course evolution of wine has been conducted in a commercial winery rather than an experimental laboratory, demonstrating the capacity of this technique in commercial winemaking production. © 2021 The Authors. Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Eva López-Rituerto
- Consejería de Agricultura, Ganadería, Mundo Rural, Territorio y Población de La Rioja, Dirección General de Agricultura y Ganadería, Servicio de Investigación Agraria y Sanidad Vegetal, Estación Enológica de Haro, Haro, Spain
| | - Klavs M Sørensen
- Chemometrics and Analytical Technology, Department of Food Science, University of Copenhagen, Frederiksberg C, Denmark
| | - Francesco Savorani
- Department of Applied Science and Technology (DISAT), Polytechnic University of Turin, Turin (TO), Italy
| | - Søren B Engelsen
- Chemometrics and Analytical Technology, Department of Food Science, University of Copenhagen, Frederiksberg C, Denmark
| | - Alberto Avenoza
- Departamento de Química, Centro de Investigación en Síntesis Química (CISQ), Universidad de La Rioja, Logroño, Spain
| | - Jesús M Peregrina
- Departamento de Química, Centro de Investigación en Síntesis Química (CISQ), Universidad de La Rioja, Logroño, Spain
| | - Jesús H Busto
- Departamento de Química, Centro de Investigación en Síntesis Química (CISQ), Universidad de La Rioja, Logroño, Spain
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15
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Souza EL, Nascimento TS, Magalhães CM, Barreto GDA, Leal IL, dos Anjos JP, Machado BAS. Development and Characterization of Powdered Antioxidant Compounds Made from Shiraz ( Vitis vinifera L.) Grape Peels and Arrowroot ( Maranta arundinacea L.). ScientificWorldJournal 2022; 2022:7664321. [PMID: 35514608 PMCID: PMC9064501 DOI: 10.1155/2022/7664321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 03/13/2022] [Accepted: 03/22/2022] [Indexed: 11/23/2022] Open
Abstract
Grapevine (Vitis vinifera L.) is a plant containing many phenolic compounds, mostly distributed in the peel, pulp, and seeds. This study evaluates the centesimal composition and bioactive compounds in Shiraz grape (Vitis vinifera) peels using spectrophotometric and UHPLC techniques and develops different formulations of compound powders from the peels and arrowroot using conventional drying technology. The results demonstrate that Shiraz grape skin contains significant amounts of insoluble fiber (15.3%), phenolics (157.09 ± 6.96-149.11 ± 9.27 mg GAE g-1), and flavonoids (0.75 ± 0.50-2.00 ± 0.50 mg QE g-1), with excellent antioxidant capacity observed in the alcoholic extracts. The phenolic content in the developed powdered compounds ranged from 128.32 to 139.70 mg GAE g-1. In general, the compounds showed good antioxidant capacity (IC50 = 0.17 to 0.19 μg mL-1). According to the chromatographic evaluation, it was possible to quantify gallic acid, catechin, and epicatechin, the latter of which was found in the largest quantities in the six formulations. The EV5 formulation was the most efficient in terms of phenolic compounds and protein amounts. This formulation's composition and low cost could make it viable for use in the food industry.
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Affiliation(s)
- Euzélia Lima Souza
- Post-Graduate Program–Industrial Technology and Management, University Center SENAI/CIMATEC, Salvador, Bahia, Brazil
- Nutrition School, Gastronomy Course, Federal University of Bahia, Salvador, Bahia, Brazil
| | | | - Camila Miranda Magalhães
- Institute of Health Sciences, Biotechnology Course, Federal University of Bahia, Salvador, Bahia, Brazil
| | - Gabriele de Abreu Barreto
- SENAI Institute of Innovation in Advanced Health Systems (ISI SAS), University Center SENAI/CIMATEC, National Service of Industrial Learning–SENAI, Salvador, Bahia, Brazil
| | - Ingrid Lessa Leal
- Laboratory of Applied Research in Food and Biotechnology, University Center SENAI/CIMATEC, National Service of Industrial Learning–SENAI, Salvador, Bahia, Brazil
| | - Jeancarlo Pereira dos Anjos
- SENAI Institute of Innovation in Advanced Health Systems (ISI SAS), University Center SENAI/CIMATEC, National Service of Industrial Learning–SENAI, Salvador, Bahia, Brazil
| | - Bruna Aparecida Souza Machado
- SENAI Institute of Innovation in Advanced Health Systems (ISI SAS), University Center SENAI/CIMATEC, National Service of Industrial Learning–SENAI, Salvador, Bahia, Brazil
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16
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Assessment of “Sugranineteen” Table Grape Maturation Using Destructive and Auto-Fluorescence Methods. Foods 2022; 11:foods11050663. [PMID: 35267296 PMCID: PMC8909905 DOI: 10.3390/foods11050663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/15/2022] [Accepted: 02/23/2022] [Indexed: 11/17/2022] Open
Abstract
The optimal harvesting of table grapes is commonly determined based on technological and phenolic indices analyzed over the course of its maturity. The classical techniques used for these analyses are destructive, time-consuming, and work for a limited number of samples that may not represent the heterogeneity of the vineyard. This study aimed to follow the ripening season of table grapes using non-destructive tools as a rapid and accurate alternative for destructive techniques. Grape samples were collected from a Sugranineteen vineyard during the ripening season to measure the basic maturity indices via wet chemistry, and total polyphenols, anthocyanins, and flavonoids were evaluated by spectrophotometry. Fluorescent readings were collected from intact clusters with a portable optical sensor (Multiplex® 3, Force-A, France) that generates indices correlated to different maturity parameters. Results revealed strong relationships between the Multiplex® indices ANTH_RG and FERARI and the skin anthocyanin content, with R2 values equal to 0.9613 and 0.8713, respectively. The NBI_R index was also related to total anthocyanins (R2 = 0.8032), while the SFR_R index was linked to the titratable acidity (R2 = 0.6186), the sugar content (R2 = 0.7954), and to the color index of red grapes (CIRG) (R2 = 0.7835). Results demonstrated that Multiplex® 3 can be applied on intact clusters as an effective non-destructive tool for a rapid estimation of table grapes’ anthocyanin content.
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17
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LUO J, FAN Z, YANG X, BAO YH, LIANG M, GUO Y. Anthocyanins and antioxidant activity of Lonicera caerulea berry wine during different processes. FOOD SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1590/fst.25121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
| | | | - Xue YANG
- Northeast Forestry University, China
| | - Yi-hong BAO
- Northeast Forestry University, China; Key Laboratory of Forest Food Resources Utilization of Heilongjiang Province, China
| | - Min LIANG
- Northeast Forestry University, China
| | - Yang GUO
- Northeast Forestry University, China
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18
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Pavez C, González-Muñoz B, O'Brien JA, Laurie VF, Osorio F, Núñez E, Vega RE, Bordeu E, Brossard N. Red wine astringency: Correlations between chemical and sensory features. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112656] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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19
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Red Wine Oxidation Characterization by Accelerated Ageing Tests and Cyclic Voltammetry. Antioxidants (Basel) 2021; 10:antiox10121943. [PMID: 34943046 PMCID: PMC8750522 DOI: 10.3390/antiox10121943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/19/2021] [Accepted: 11/24/2021] [Indexed: 11/29/2022] Open
Abstract
In order to obtain information on the oxidative behavior of red wines, oxygen consumption rates and electrochemical changes (cyclic voltammetry) were measured for nine red wines subject to three different accelerated ageing tests: chemical (with hydrogen peroxide), enzymatic (with laccase from Trametes versicolor), and temperature (at 60 °C). Oxidative behavior depended both on the wine sample and accelerated ageing test type. A good correlation was observed between electrochemical parameters of charges for reference/non-oxidized wines, in accordance with their antioxidant capacity, and the variation of charges after enzymatic and temperature tests, meaning that cyclic voltammetry could be used in order to predict these two oxidation tests and reflect the wine sensitivity towards respective oxidation targets. However, it was not possible to predict wine chemical oxidation test based on hydrogen peroxide from the electrochemical measurements.
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20
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Yadav DK, Chand K, Shahi NC, Verma AK. Influence of fermentation conditions on the polyphenols, total flavonoids, and antioxidant properties of wine produced from Burans petals. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.16009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Dhiraj Kumar Yadav
- Department of Post‐Harvest Process and Food Engineering College of Technology G. B. Pant University of Agriculture and Technology Pantnagar India
| | - Khan Chand
- Department of Post‐Harvest Process and Food Engineering College of Technology G. B. Pant University of Agriculture and Technology Pantnagar India
| | - Navin Chandra Shahi
- Department of Post‐Harvest Process and Food Engineering College of Technology G. B. Pant University of Agriculture and Technology Pantnagar India
| | - Ashok Kumar Verma
- Department of Biochemistry College of Basic Sciences and Humanities G. B. Pant University of Agriculture and Technology Pantnagar India
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21
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Effects of Wine Components in Inflammatory Bowel Diseases. Molecules 2021; 26:molecules26195891. [PMID: 34641434 PMCID: PMC8512001 DOI: 10.3390/molecules26195891] [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: 09/07/2021] [Revised: 09/23/2021] [Accepted: 09/24/2021] [Indexed: 12/12/2022] Open
Abstract
With the rising prevalence of Inflammatory bowel disease (IBD) worldwide, and the rising cost of treatment with novel biological drugs, there is an increasing interest in various diets and natural foods as a potential way to control/modulate IBD. As recent data indicates that diet can modify the metabolic responses essential for the resolution of inflammation, and as wine compounds have been shown to provide substantial anti-inflammatory effect, in this review we aimed to discuss the current evidence concerning the impact of biological compounds present in wine on IBD. A number of preclinical studies brought forth strong evidence on the mechanisms by which molecules in wine, such as resveratrol or piceatannol, provide their anti-inflammatory, anti-oxidative, anti-tumor, and microbiota-modulation effects. However, concerning the effects of alcohol, it is still unclear how the amount of ethanol ingested within the framework of moderate wine consumption (1–2 glasses a day) affects patients with IBD, as human studies regarding the effects of wine on patients with IBD are scarce. Nevertheless, available evidence justifies the conductance of large-scale RCT trials on human subjects that will finally elucidate whether wine can offer real benefits to the IBD population.
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22
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Precipitation before Flowering Determined Effectiveness of Leaf Removal Timing and Irrigation on Wine Composition of Merlot Grapevine. PLANTS 2021; 10:plants10091865. [PMID: 34579398 PMCID: PMC8466863 DOI: 10.3390/plants10091865] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 08/31/2021] [Accepted: 09/07/2021] [Indexed: 12/19/2022]
Abstract
Grapevine productivity, and berry and wine flavonoid concentration, depend on the interactions of cultivar, environment, and applied cultural practices. We characterized the effects that mechanical leaf removal and irrigation treatments had on the flavonoid concentration of ‘Merlot’ (Vitis vinifera, L.) grape berries and wines in a hot climate over two growing seasons with contrasting precipitation patterns. Leaves were removed by machine, either at prebloom (PBLR), or at post-fruit-set (PFLR), or not removed (control) and irrigation was either applied as sustained deficit irrigation (SDI) at 0.8 of crop evapotranspiration (ETc) from budbreak to fruit set, or regulated deficit irrigation (RDI) at 0.8 ETc from bud break to fruit set, 0.5 ETc from fruit set to veraison, and 0.8 ETc from veraison to harvest, of ETc In 2014, PFLR reduced the leaf area index (LAI) compared to control. The RDI decreased season-long leaf water potential (ΨInt) compared to SDI. However, in 2015, none of the treatments affected LAI or ΨInt. In 2014, berry flavonoid concentrations were reduced by PBLR as well as SDI. SDI increased the flavonoid concentrations in wine, and PFLR increased some wine flavonols in one season. No factor affected the concentrations of wine proanthocyanidins or mean degree of polymerization. Thus, mechanical PFLR and RDI may increase berry flavonoid accumulation without yield reduction, in red wine grapes cultivars grown in hot climates when precipitation after bud break is lacking. However, spring precipitation may influence the effectiveness of these practices as evidenced by this work in a changing climate.
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23
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Discrimination of genetic and geographical groups of grape varieties (Vitis vinifera L.) based on their polyphenolic profiles. J Food Compost Anal 2021. [DOI: 10.1016/j.jfca.2021.104062] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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24
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Tedesco I, Spagnuolo C, Russo GL, Russo M, Cervellera C, Moccia S. The Pro-Oxidant Activity of Red Wine Polyphenols Induces an Adaptive Antioxidant Response in Human Erythrocytes. Antioxidants (Basel) 2021; 10:antiox10050800. [PMID: 34070135 PMCID: PMC8158335 DOI: 10.3390/antiox10050800] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 05/13/2021] [Accepted: 05/14/2021] [Indexed: 12/21/2022] Open
Abstract
The protective effect of dealcoholized red wine on human health has been partially associated with its polyphenolic components, suggesting that the pool of polyphenols, including flavonoids and anthocyanins, can be responsible for the functional effects of this beverage. We hypothesize a new role of red wine polyphenols (RWp) in modulating the antioxidant potential of erythrocytes, protecting them against oxidative stress. We previously demonstrated that RWp activated the Plasma Membrane Redox System (PMRS), which is involved in neutralizing plasma free radicals. Here, we investigated the underlying mechanism triggered by RWp in the activation of PMRS via the involvement of GSH. Hence, treatment of human erythrocytes with RWp (73 μg/mL Gallic Acid Equivalents) increased GSH intracellular concentration, which depends upon the activation of glutathione reductase (GR) and glucose-6-phosphate dehydrogenase (G6PD), whose enzymatic activities increase of about 30% and 47%, respectively. Changes in the GSH pathway induced by RWp were associated with a slight but significant increase in reactive oxygen species (ROS). We conclude that the pro-oxidant effect of RWp promoted an adaptive stress response in human erythrocytes, which enhances their antioxidant defense.
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25
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Sanmartin C, Modesti M, Venturi F, Brizzolara S, Mencarelli F, Bellincontro A. Postharvest Water Loss of Wine Grape: When, What and Why. Metabolites 2021; 11:metabo11050318. [PMID: 34069062 PMCID: PMC8156201 DOI: 10.3390/metabo11050318] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/04/2021] [Accepted: 05/07/2021] [Indexed: 11/16/2022] Open
Abstract
In postharvest science, water loss is always considered a negative factor threatening fruit and vegetable quality, but in the wine field, this physical process is employed to provide high-quality wine, such as Amarone and Passito wines. The main reason for this is the significant metabolic changes occurring during wine grape water loss, changes that are highly dependent on the specific water loss rate and level, as well as the ambient conditions under which grapes are kept to achieve dehydration. In this review, hints on the main techniques used to induce postharvest wine grape water loss and information on the most important metabolic changes occurring in grape berries during water loss are reported. The quality of wines produced from dried/dehydrated/withered grapes is also discussed, together with an update on the application of innovative non-destructive techniques in the wine sector. A wide survey of the scientific papers published all over the world on the topic has been carried out.
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Affiliation(s)
- Chiara Sanmartin
- Department of Agriculture, Food and Environment, University of Pisa, via del Borghetto 80, 56124 Pisa, Italy; (C.S.); (F.V.); (F.M.)
- Interdepartmental Research Center, Nutraceuticals and Food for Health, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy
| | - Margherita Modesti
- Institute of Life Sciences, Scuola Superiore Sant’Anna, Piazza Martiri della Libertà 33, 56127 Pisa, Italy;
| | - Francesca Venturi
- Department of Agriculture, Food and Environment, University of Pisa, via del Borghetto 80, 56124 Pisa, Italy; (C.S.); (F.V.); (F.M.)
- Interdepartmental Research Center, Nutraceuticals and Food for Health, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy
| | - Stefano Brizzolara
- Institute of Life Sciences, Scuola Superiore Sant’Anna, Piazza Martiri della Libertà 33, 56127 Pisa, Italy;
- Correspondence: (S.B.); (A.B.)
| | - Fabio Mencarelli
- Department of Agriculture, Food and Environment, University of Pisa, via del Borghetto 80, 56124 Pisa, Italy; (C.S.); (F.V.); (F.M.)
| | - Andrea Bellincontro
- Department for Innovation in Biological, Agro-Food and Forest Systems, University of Tuscia, Via S. Camillo de Lellis, 01100 Viterbo, Italy
- Correspondence: (S.B.); (A.B.)
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26
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Sun X, Zhang F, Gutiérrez-Gamboa G, Ge Q, Xu P, Zhang Q, Fang Y, Ma T. Real wine or not? Protecting wine with traceability and authenticity for consumers: chemical and technical basis, technique applications, challenge, and perspectives. Crit Rev Food Sci Nutr 2021; 62:6783-6808. [PMID: 33825545 DOI: 10.1080/10408398.2021.1906624] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Wine is a high-value alcoholic beverage welcomed by consumers because of its flavor and nutritional value. The key information on wine bottle label is the basis of consumers' choice, which also becomes a target for manufacturers to adulterate, including geographical origin, grape variety and vintage. With the improvement of wine adulteration technology, modern technological means are needed to solve the above mentioned problems. The chemical basis of wine determines the type of technique used. Detection technology can be subdivided into four groups: mass spectrometry techniques, spectroscopic techniques, chromatography techniques, and other techniques. Multivariate statistical analysis of the data was performed by means of chemometrics methods. This paper outlines a series of procedures for wine classification and identification, and classified the analytical techniques and data processing methods used in recent years with listing their principles, advantages and disadvantages to help wine researchers choose appropriate methods to meet the challenge and ensure wine traceability and authenticity.
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Affiliation(s)
- 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 and F University, Yangling, China
| | - Fan Zhang
- 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 and F University, Yangling, China
| | | | - Qian Ge
- 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 and F University, Yangling, China.,Quality Standards and Testing Institute of Agricultural Technology, Yinchuan, China
| | - Pingkang Xu
- Department of Plant and Soil Sciences, Mississippi State University, Mississippi, USA
| | - Qianwen Zhang
- Department of Chemistry, College of Science, Food Science and Technology Programme, National University of Singapore, Singapore
| | - 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, Heyang Viti-Viniculture Station, Northwest A and 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, Heyang Viti-Viniculture Station, Northwest A and F University, Yangling, China
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27
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Giacosa S, Parpinello GP, Río Segade S, Ricci A, Paissoni MA, Curioni A, Marangon M, Mattivi F, Arapitsas P, Moio L, Piombino P, Ugliano M, Slaghenaufi D, Gerbi V, Rolle L, Versari A. Diversity of Italian red wines: A study by enological parameters, color, and phenolic indices. Food Res Int 2021; 143:110277. [PMID: 33992377 DOI: 10.1016/j.foodres.2021.110277] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 02/23/2021] [Accepted: 02/25/2021] [Indexed: 10/21/2022]
Abstract
An extensive survey was conducted on 110 Italian monovarietal red wines from a single vintage to determine their standard compositional, color, and phenolic characteristics, analysing more than 35 parameters evaluated through methods commonly used in the wine industry. 'Primitivo' achieved the highest average alcohol strength (15.4% v/v) and dry extract values, while 'Cannonau' showed the lowest total acidity. 'Corvina' had the lowest phenolic content (1065 mg/L by Folin-Ciocalteu assay), remarkably different from the highest found in 'Sagrantino' (3578 mg/L), the latter being also the richest variety in both proanthocyanidins and vanillin-reactive flavanols. 'Teroldego' wines were the richest in both total and monomeric anthocyanins (702 and 315 mg/L, respectively), followed by 'Aglianico' and 'Raboso Piave', while 'Corvina', 'Nebbiolo', and 'Nerello Mascalese' were the poorest. 'Montepulciano' and 'Sangiovese' showed intermediate values for the majority of the parameters analyzed. A multivariate PCA-DA approach allowed achieving both a classification of the different wines as well as the discrimination of 'Sangiovese' wines produced in two regions (Emilia Romagna and Toscana) that returned a 42-66% success rate depending on the zone considered. Taking into account the number and diversity of the wines analyzed, a correlation study helped in better understanding the underlying relations between the most common and widespread analytical techniques for phenolic and color determinations.
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Affiliation(s)
- Simone Giacosa
- Department of Agricultural, Forest and Food Sciences, University of Torino, 10095 Grugliasco, Italy
| | | | - Susana Río Segade
- Department of Agricultural, Forest and Food Sciences, University of Torino, 10095 Grugliasco, Italy
| | - Arianna Ricci
- Department of Agricultural and Food Sciences, University of Bologna, 47521 Cesena, Italy
| | | | - Andrea Curioni
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, 35020 Legnaro, Italy
| | - Matteo Marangon
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, 35020 Legnaro, Italy
| | - Fulvio Mattivi
- Department of Physics, Bioorganic Chemistry Laboratory, University of Trento, 38123 Povo, Italy; Department of Food Quality and Nutrition, Research and Innovation Centre, Fondazione Edmund Mach, 38010 San Michele all'Adige, Italy
| | - Panagiotis Arapitsas
- Department of Food Quality and Nutrition, Research and Innovation Centre, Fondazione Edmund Mach, 38010 San Michele all'Adige, Italy
| | - Luigi Moio
- Department of Agricultural Sciences, Division of Vine and Wine Sciences, University of Napoli Federico II, 83100 Avellino, Italy
| | - Paola Piombino
- Department of Agricultural Sciences, Division of Vine and Wine Sciences, University of Napoli Federico II, 83100 Avellino, Italy
| | - Maurizio Ugliano
- Department of Biotechnology, University of Verona, 37134 Verona, Italy
| | | | - Vincenzo Gerbi
- Department of Agricultural, Forest and Food Sciences, University of Torino, 10095 Grugliasco, Italy
| | - Luca Rolle
- Department of Agricultural, Forest and Food Sciences, University of Torino, 10095 Grugliasco, Italy.
| | - Andrea Versari
- Department of Agricultural and Food Sciences, University of Bologna, 47521 Cesena, Italy
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Abstract
Tannins are natural polyphenolic compounds widely distributed in the plant kingdom in the leaves, bark, fruits, and other parts. They have various biological functions in humans and animals and are used mainly in the pharmaceutical and cosmetic industries. The aim of this work was to isolate, extract, purify, and identify the tannins from the root bark of a common oak tree (Quercus aegilops L.) in Jordan and around the Mediterranean. The results showed that at least one form of ellagitannin (ellagic acid ester), quercitrin, afzelechin, valoneic acid, trigalloyl glucose, and catechin was identified in addition to two unidentified compounds. Results of this work can help in developing an ESI MS/MS search library for the constituents of the tannins of oak (Quercus aegilops L.) root bark.
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Isolation of a High Antioxidant Non-Toxic Polar Fraction from Garcinia mangostana Fruit Pericarp by Reverse Phase Column Chromatography. JURNAL KIMIA SAINS DAN APLIKASI 2021. [DOI: 10.14710/jksa.24.1.15-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The crude polar extract of mangosteen fruit pericarp not only has a moderate antioxidant activity of (55±4 μg/mL) but also has high cytotoxicity (16±0.5 μg/mL). The high cytotoxicity presumably is caused by the presence of complex cytotoxic compounds from the mangosteen pericarp. To obtain a non-toxic extract preparation with high antioxidant activity, polar crude 50% ethanol extracts of mangosteen pericarp were partially purified using reverse-phase column chromatography with Silica C18 as the stationary phase and acetonitrile-water gradient elution. Six of the ten fractions collected had high antioxidant activities, with IC50 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging antioxidant levels <50 μg/mL. Three fractions (fractions 3, 5, and 7) with the highest antioxidant activities of (16.4 ± 0.6 µg/mL), (17.8 ± 2 µg/mL) and (17.4 ± 1.8 µg/mL) respectively, were chosen for further cytotoxicity, phenolic content and High-Performance Liquid Chromatography (HPLC) analysis. The cytotoxic tests were conducted with the Brine Shrimp Lethality Assay. Fraction 3 had low cytotoxicity (LC50 485 ± 96 µg/mL) and fraction 5 was non-toxic (LC50 ≥ 1000 µg/mL), while fraction 7 still had high cytotoxicity (LC50 2.8 ± 0.8 µg/mL). The chromatogram profiles of HPLC showed that fractions 3 and 5 contained more polar compounds than the compounds present in fraction 7. It can be concluded that the reverse phase method succeeded in the isolation of a non-toxic polar fraction, that is, fraction 5, with a significantly higher (p<0.05) antioxidant activity than in the original crude polar extracts. This fraction had a high total phenolic content of 43.3 ± 0.3 g GAE per 100 g extract.
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Development and screening of byproduct for its secondary metabolites, antioxidant and anti-diabetic potential from anthracnose-infected fruits of pomegranate: a sustainable approach. 3 Biotech 2021; 11:74. [PMID: 33505829 DOI: 10.1007/s13205-020-02629-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 12/28/2020] [Indexed: 02/05/2023] Open
Abstract
The main focus of the present study was to analyze the antioxidant and anti-diabetic potential of fermentative byproduct, developed from anthracnose-infected pomegranate fruits. The analysis of fermented juice showed a reduction in total phenolic content, total flavanoid content, anthocyanins, and antioxidant potential over the time in 6 months as compared to fresh juice, while total protein and alcohol percent (11%) were increased. Measurements of antioxidant activity by DPPH, ABTS, superoxide radical scavenging activity, and reducing power assays were highly correlated to total phenolic content, with corresponding R 2 values as r DPPH = 0.88, r ABTS = 0.90, r SRS = 0.67, r RPA = 0.80. High-performance liquid chromatography clearly revealed that the increment of antioxidant activity is associated with the release of gallic acid, vanillin, and ferulic acid. LC-MS analysis identified 1263 metabolites in fresh juice, 1580 metabolites after 1 month of fermentation, and 1063 metabolites after 6 months of fermentation. Most of the detected metabolites are linked with antioxidant, anti-diabetic, phenolics, flavanoids, cardiac glycosides, anticancer, and anti-vomiting activity. Mainly, naphthofluorescein, CAY10599, CAY10506, aminofluoropropionic acid, and 8-azaadenosine anti-diabetic compounds were found in fresh juice and fermented juice. Administration of fresh juice and fermented juice for 1 month helped in the reduction of blood plasma glucose level from 112.6 to 94.73 mg/dL before food and 142.43 to 133.20 mg/dL after food as compared to prescribed medicine. The sensory attributes of fermented juice were well appreciated for taste, after taste, and flavor. Further research is necessary to improve the quality and stability of metabolites during storage. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s13205-020-02629-z.
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A low-cost optical sensor to quantify bioactive compounds in fruit. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2020. [DOI: 10.1007/s11694-020-00601-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Cashew gum as a sol-gel precursor for green synthesis of nanostructured Ni and Co ferrites. Int J Biol Macromol 2020; 164:4245-4251. [PMID: 32890567 DOI: 10.1016/j.ijbiomac.2020.08.252] [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: 06/17/2020] [Revised: 08/22/2020] [Accepted: 08/31/2020] [Indexed: 11/22/2022]
Abstract
The aim of this work consists in the use of cashew gum (Anacardium occidentale), a naturally occurring tropical specie from the Brazilian northeastern coast, for the synthesis of CoFe2O4 (CF) and NiFe2O4 (NF) nanoparticles. The structural, morphological and vibrational properties of nanoparticles were characterized by analytical and spectroscopic techniques such as X-ray diffraction (XRD), FTIR, Raman spectroscopy, TEM, SAED and TG. Magnetic properties were investigated through Mössbauer spectroscopy and DC magnetometry. The XRD results showed single phase nanoparticles with space group Fd-3m and crystallite size of 7.4 and 6.0 for CF and NF, respectively. TEM images showed agglomerated particles with mode sizes of 5.0 and 6.5 nm for CF and NF. SAED confirmed the crystalline spinel structure. The TGA and FTIR showed the presence of a carbonaceous material in the samples. FTIR and Raman spectroscopy demonstrated vibrational modes characteristic of metal‑oxygen bonds in the tetrahedral and octahedral sites. Magnetization measurements showed that both samples are superparamagnetic at 300 K. The Mössbauer spectra at 90 K showed the presence of single-phase CF and NF.
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Singh A, Kocher GS. Standardization of seed and peel infused Syzygium cumini -wine fermentation using response surface methodology. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109994] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Šikuten I, Štambuk P, Andabaka Ž, Tomaz I, Marković Z, Stupić D, Maletić E, Kontić JK, Preiner D. Grapevine as a Rich Source of Polyphenolic Compounds. Molecules 2020; 25:E5604. [PMID: 33260583 PMCID: PMC7731206 DOI: 10.3390/molecules25235604] [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: 10/27/2020] [Revised: 11/21/2020] [Accepted: 11/25/2020] [Indexed: 12/26/2022] Open
Abstract
Grapes are rich in primary and secondary metabolites. Among the secondary metabolites, polyphenolic compounds are the most abundant in grape berries. Besides their important impacts on grape and wine quality, this class of compounds has beneficial effects on human health. Due to their antioxidant activity, polyphenols and phenolic acids can act as anti-inflammatory and anticancerogenic agents, and can modulate the immune system. In grape berries, polyphenols and phenolic acids can be located in the pericarp and seeds, but distribution differs considerably among these tissues. Although some classes of polyphenols and phenolic acids are under strict genetic control, the final content is highly influenced by environmental factors, such as climate, soil, vineyard, and management. This review aims to present the main classes of polyphenolic compounds and phenolic acids in different berry tissues and grape varieties and special emphasis on their beneficial effect on human health.
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Affiliation(s)
- Iva Šikuten
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia; (I.Š.); (P.Š.); (Ž.A.); (Z.M.); (D.S.); (E.M.); (J.K.K.); (D.P.)
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
| | - Petra Štambuk
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia; (I.Š.); (P.Š.); (Ž.A.); (Z.M.); (D.S.); (E.M.); (J.K.K.); (D.P.)
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
| | - Željko Andabaka
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia; (I.Š.); (P.Š.); (Ž.A.); (Z.M.); (D.S.); (E.M.); (J.K.K.); (D.P.)
| | - Ivana Tomaz
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia; (I.Š.); (P.Š.); (Ž.A.); (Z.M.); (D.S.); (E.M.); (J.K.K.); (D.P.)
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
| | - Zvjezdana Marković
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia; (I.Š.); (P.Š.); (Ž.A.); (Z.M.); (D.S.); (E.M.); (J.K.K.); (D.P.)
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
| | - Domagoj Stupić
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia; (I.Š.); (P.Š.); (Ž.A.); (Z.M.); (D.S.); (E.M.); (J.K.K.); (D.P.)
| | - Edi Maletić
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia; (I.Š.); (P.Š.); (Ž.A.); (Z.M.); (D.S.); (E.M.); (J.K.K.); (D.P.)
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
| | - Jasminka Karoglan Kontić
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia; (I.Š.); (P.Š.); (Ž.A.); (Z.M.); (D.S.); (E.M.); (J.K.K.); (D.P.)
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
| | - Darko Preiner
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia; (I.Š.); (P.Š.); (Ž.A.); (Z.M.); (D.S.); (E.M.); (J.K.K.); (D.P.)
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
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Nocchi N, Duarte HM, Pereira RC, Konno TUP, Soares AR. Effects of UV-B radiation on secondary metabolite production, antioxidant activity, photosynthesis and herbivory interactions in Nymphoides humboldtiana (Menyanthaceae). JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2020; 212:112021. [DOI: 10.1016/j.jphotobiol.2020.112021] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 08/05/2020] [Accepted: 09/05/2020] [Indexed: 01/28/2023]
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Voltammetric Behavior, Flavanol and Anthocyanin Contents, and Antioxidant Capacity of Grape Skins and Seeds during Ripening ( Vitis vinifera var. Merlot, Tannat, and Syrah). Antioxidants (Basel) 2020; 9:antiox9090800. [PMID: 32867242 PMCID: PMC7554950 DOI: 10.3390/antiox9090800] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 08/25/2020] [Accepted: 08/25/2020] [Indexed: 12/19/2022] Open
Abstract
Skin and seed grape extracts of three red varieties (Merlot, Tannat, and Syrah) at different stages of ripening were studied for their total phenolic content (TPC) by using the Folin-Ciocalteu assay and for their total antioxidant capacity (TAC) by using spectrophotometric and electrochemical assays. Flavanol and anthocyanin compositions were also investigated using Ultra Performance Liquid Chromatography coupled with Mass Spectrometry (UPLC-MS). Results showed that seeds had the highest phenolic content and the highest antioxidant potential compared to skins at all stages of ripening. The highest TPC and TAC values were measured in seeds at close to veraison and veraison ripening stages. In skins, the highest values were found at the green stage, it was in accordance with the flavanols content. The voltammetric measurements were carried out using disposable single walled carbon nanotubes modified screen-printed carbon electrodes (SWCNT-SPCE). Three peaks on voltammograms were obtained at different oxidation potentials. The first anodic peak that oxidized at a low potential describes the oxidation of ortho-dihydroxy phenols and gallate groups, the second peak corresponds to the malvidin anthocyanins oxidation and the second oxidation of flavonoids. The third voltammetric peak could be due to phenolic acids such as p-coumaric acid and ferulic acid or the second oxidation of malvidin anthocyanins. The high linear correlation was observed between antioxidant tests and flavanols in skins (0.86 ≤ r ≤ 0.94), while in seeds, 'r' was higher between electrochemical parameters and flavanols (0.64 ≤ r ≤ 0.8).
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Scutarașu EC, Luchian CE, Vlase L, Colibaba LC, Gheldiu AM, Cotea VV. Evolution of phenolic profile of white wines treated with enzymes. Food Chem 2020; 340:127910. [PMID: 32882475 DOI: 10.1016/j.foodchem.2020.127910] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 08/13/2020] [Accepted: 08/20/2020] [Indexed: 10/23/2022]
Abstract
The aim of this study is to monitor the evolution of the principal phenolic compounds throughout the fermentation stage of white wines treated with different enzymes. The effect of five commercial enzymes on the evolution of the phenolic profile during the alcoholic fermentation of white wines obtained from Fetească regală and Sauvignon blanc varieties was evaluated. Physicochemical properties of resulted wine samples have been analyzed according to OIV standards and regulations. The evolution of the principal phenolic compounds was carried out using HPLC method. Enzymatic treatments did not significantly affect the physicochemical composition of the obtained wines. The analyzed samples showed different variations on the phenolic compound content, depending on the type of added enzyme and grape variety. The statistical analysis confirms that enzymes significantly contributed to the enrichment of the wines with phenolic compounds, especially with p-coumaric, gentisic, caftaric, and protocatechuic acids.
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Affiliation(s)
- Elena-Cristina Scutarașu
- University of Agricultural Sciences and Veterinary Medicine "Ion Ionescu de la Brad", 3(rd) Mihail Sadoveanu Alley, Iași 700489, Romania
| | - Camelia Elena Luchian
- University of Agricultural Sciences and Veterinary Medicine "Ion Ionescu de la Brad", 3(rd) Mihail Sadoveanu Alley, Iași 700489, Romania.
| | - Laurian Vlase
- University of Medicine and Pharmacy "Iuliu Hațieganu", 8(th) Victor Babeș Street, Cluj-Napoca 400000, Romania
| | - Lucia Cintia Colibaba
- University of Agricultural Sciences and Veterinary Medicine "Ion Ionescu de la Brad", 3(rd) Mihail Sadoveanu Alley, Iași 700489, Romania
| | - Ana Maria Gheldiu
- University of Medicine and Pharmacy "Iuliu Hațieganu", 8(th) Victor Babeș Street, Cluj-Napoca 400000, Romania
| | - Valeriu V Cotea
- University of Agricultural Sciences and Veterinary Medicine "Ion Ionescu de la Brad", 3(rd) Mihail Sadoveanu Alley, Iași 700489, Romania
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Mucalo A, Maletić E, Zdunić G. Extended Harvest Date Alter Flavonoid Composition and Chromatic Characteristics of Plavac Mali ( Vitis vinifera L.) Grape Berries. Foods 2020; 9:foods9091155. [PMID: 32825764 PMCID: PMC7555124 DOI: 10.3390/foods9091155] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 08/13/2020] [Accepted: 08/15/2020] [Indexed: 12/11/2022] Open
Abstract
This study delivers a comprehensive flavonoid fingerprint profile, physiochemical and external color characterization of Plavac Mali grapes through four harvest dates at two distinct vineyards (Split and Zadar) in the Eastern Adriatic region. The experimental harvest lasted 56 days, at total soluble solids content from 18.4 to 22.4°Brix in Split and 16.8 to 20.4°Brix in Zadar. Patterns of 27 skin and seed flavonoid compounds at each location indicate unique flavonoid composition of berries at each harvest date. Extended harvest increased six compounds in skin with maximum values of main anthocyanin malvidin-3-O-glucoside in H3 (4406.6 and 6389.5 mg kg−1, Split and Zadar, respectively) followed by a decrease in October. Peak values of seed and skin catechins and galloylated flavan-3-ol subunits are seen in H1 and H2 at Split, while constantly high values are reported in the case of Zadar, with an incoherent pattern of those in skin extracts. Minimal values of epigallocatechin were detected with an extended harvest date at both locations. Berries of extended harvest dates underwent colorimetric improvements, trough decrease in L*, a*, b* and C characteristics and increase in skin color index for red grapes CIRG. The extended harvest date promotes flavonoid composition, and improves the quality of Plavac Mali grape berries.
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Affiliation(s)
- Ana Mucalo
- Institute for Adriatic Crops and Karst Reclamation, Put Duilova 11, 21000 Split, Croatia;
- Correspondence: ; Tel.: +385-21-434-496
| | - Edi Maletić
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, Svetošimunska cesta 25, 10000 Zagreb, Croatia;
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Svetošimunska cesta 25, 10000 Zagreb, Croatia
| | - Goran Zdunić
- Institute for Adriatic Crops and Karst Reclamation, Put Duilova 11, 21000 Split, Croatia;
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α-Glucosidase Inhibitory Activity of Tannat Grape Phenolic Extracts in Relation to Their Ripening Stages. Biomolecules 2020; 10:biom10081088. [PMID: 32707893 PMCID: PMC7464188 DOI: 10.3390/biom10081088] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 07/09/2020] [Accepted: 07/15/2020] [Indexed: 12/16/2022] Open
Abstract
The present study aimed to screen grape extracts as novel α-glucosidase inhibitors to prevent type-2 diabetes and hyperglycemia. The total polyphenol content (TPC) was measured by Folin-Ciocalteu assay and the stilbene, anthocyanin and flavan-3-ol compounds were measured by Ultra High-Performance Liquid Chromatography coupled to Mass Spectrometry (UHPLC-MS). The α-glucosidase inhibitory of seed and skin Tannat grape extracts at four ripening stages were investigated. The highest TPC values were measured in seeds at the “veraison stage” (65.29 ± 5.33 g of Gallic Acid Equivalent (GAE) per kilogram of Fresh Weight (FW)). This was in accordance with the high flavan-3-ol contents measured for these two extracts (43.22 ± 2.59 and 45.45 ± 6.48 g/kg of seeds FW, respectively). The skin and seed extracts at the first stage of ripening exerted strong α-glucosidase inhibition, exceeding 95% (p < 0.05). A high linear correlation (R = 0.723, p ≤ 0.05) was observed between flavan-3-ol contents and the α-glucosidase inhibitory activity. The stilbene contents and this activity were moderately to strongly anti-correlated (R = –0.828, p ≤ 0.05 for trans-resveratrol). The enzyme kinetic studies revealed a mixed type of inhibition. This study brings promising results for the therapeutic potential of seed and skin Tannat grape extracts as a functional food product with anti-diabetic activity.
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Topić Božič J, Butinar L, Ćurko N, Kovačević Ganić K, Mozetič Vodopivec B, Korte D, Franko M. Implementation of high performance liquid chromatography coupled to thermal lens spectrometry (HPLC-TLS) for quantification of pyranoanthocyanins during fermentation of Pinot Noir grapes. SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-3005-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Yu R, Brillante L, Martínez-Lüscher J, Kurtural SK. Spatial Variability of Soil and Plant Water Status and Their Cascading Effects on Grapevine Physiology Are Linked to Berry and Wine Chemistry. FRONTIERS IN PLANT SCIENCE 2020; 11:790. [PMID: 32655596 PMCID: PMC7324756 DOI: 10.3389/fpls.2020.00790] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 05/18/2020] [Indexed: 06/01/2023]
Abstract
The relationships between differences in plant water status, induced by spatial variability in soil texture, and the changes in berry and wine composition were investigated in an irrigated Cabernet Sauvignon (Vitis vinefera L.) vineyard for 2 years. A stratified and an equidistant grid were overlaid on the vineyard to characterize the soil texture by proximal sensing, soil sampling, and grapevine physiological and berry chemical development. Based on the mid-day stem water potential (Ψ stem ) integrals, the vineyard was divided into two functional homogenous zones: Zone 1 with higher water stress and Zone 2 with lower water. Zone 1 consistently had lower Ψ stem , net carbon assimilation, and stomatal conductance in both years. Berry weight and titratable acidity were lower in Zone 1 at harvest. Zone 2 reached 26 and 24°Bx total soluble solids (TSS) at harvest in Years 1 and 2, respectively, with higher TSS values of 30 and 27°Bx in Zone 1. Ravaz index did not vary spatially. Fruits were harvested differentially in both years and vinified separately from the two zones. In Year 1, all berry skin anthocyanin derivatives, tri-, di- hydroxylated, and total anthocyanins concentrations were higher in Zone 2. However, in Year 2, only malvidin, tri-hydroxylated, and total anthocyanins were higher in Zone 1. There were no differences in wine flavonoids in Year 2 when harvest commenced earlier. In both years, Ψ stem , berry weight, and TSS were directly related to soil bulk electrical conductivity (EC). Our results indicated vineyard variability stemmed from soil texture that affected long-term plant water status which does not affect spatial variability of Ravaz Index. In conclusion, our work provides fundamental knowledge about the applicability of soil bulk EC sensing in the vineyards, and its potential directional utilization by connecting proximal soil sensing to spatial distribution of whole-plant physiological performance together with berry and wine chemistry.
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Ren M, Wang X, Chen T, Yuan H, Wang X, Zhu Y. Separating grape pomace before fermentation and restructuring the skin‐to‐seed ratio: A new scientific approach. J FOOD PROCESS PRES 2020. [DOI: 10.1111/jfpp.14486] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Mengmeng Ren
- College of Food Engineering and Nutritional ScienceShaanxi Normal University Xi’an China
- College of Food Science and Nutritional EngineeringChina Agricultural University Beijing China
| | - Xiaoyu Wang
- College of Food Engineering and Nutritional ScienceShaanxi Normal University Xi’an China
| | - Tongguo Chen
- College of Food Engineering and Nutritional ScienceShaanxi Normal University Xi’an China
| | - Huanhuan Yuan
- College of Food Engineering and Nutritional ScienceShaanxi Normal University Xi’an China
| | - Xuehui Wang
- College of Food Engineering and Nutritional ScienceShaanxi Normal University Xi’an China
| | - Yanyun Zhu
- College of Food Engineering and Nutritional ScienceShaanxi Normal University Xi’an China
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Fayad S, Cretin BN, Marchal A. Development and validation of an LC–FTMS method for quantifying natural sweeteners in wine. Food Chem 2020; 311:125881. [DOI: 10.1016/j.foodchem.2019.125881] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 08/27/2019] [Accepted: 11/07/2019] [Indexed: 02/01/2023]
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Bioavailability and antioxidant potentials of fresh and pasteurized kiwi juice before and after in vitro gastrointestinal digestion. Journal of Food Science and Technology 2020; 57:4277-4285. [PMID: 33071349 DOI: 10.1007/s13197-020-04467-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 10/24/2019] [Accepted: 04/23/2020] [Indexed: 01/22/2023]
Abstract
The aim of the present work was to find the changes in the chemical composition, chemical structure and antioxidant activity of bioactive nutrients of kiwi juices upon pasteurization and in vitro gastrointestinal digestion. Results showed that fresh kiwi juice (FKJ) contains total phenols, 162 mg GAE/mL, total flavonoids 1.44 mg QE/mL, ascorbic acid 4.5 mg/mL and fiber 60%; these contents were marginally affected by pasteurization (PKJ) to be 122, 1.02, 2.6 and 47 respectively. On the other hand, gastrointestinal digestion severely lowered total phenols, total flavonoids and ascorbic acid in digested fresh kiwi juice (DFKJ) to 49 mg GAE/mL,0.16 mg GE/mL and 2.2 mg/mL, and in digested pasteurized kiwi juice (DPKJ) to 42, 0.07 and 1.2 respectively; however fiber contents increased upon digestion as a result of decreasing other nutrients. The antioxidant and reducing power activities followed the same order of decreasing total phenols, total flavonoids and ascorbic acid contents i.e. FKJ > PKJ > DFKJ > DPKJ. The major flavonoid found was apigenin in the form of various glycosides differ in the number (1-3) and position of the sugar units. Pasteurization showed minor effects on the chemical composition of fresh juice while digestion, as a result of gastrointestinal enzymes had more effect but mainly on the number and position of the sugar units rather than affecting the flavonoid moiety which preserve the main nutritive values.
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Stój A, Kapusta I, Domagała D. Classification of Red Wines Produced from Zweigelt and Rondo Grape Varieties Based on the Analysis of Phenolic Compounds by UPLC-PDA-MS/MS. Molecules 2020; 25:molecules25061342. [PMID: 32188007 PMCID: PMC7145314 DOI: 10.3390/molecules25061342] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 03/10/2020] [Accepted: 03/12/2020] [Indexed: 12/11/2022] Open
Abstract
The authentication of grape variety from which wine is produced is necessary for protecting a consumer from adulteration and false labelling. The aim of this study was to analyze phenolic compounds in red monovarietal wines produced from Zweigelt (Vitis vinifera) and Rondo (non-Vitis vinifera) varieties while using the UPLC-PDA-MS/MS method and to assess whether these wines can be classified according to grape variety that is based on chemometric analysis. Fifty-five phenolic compounds belonging to five classes—anthocyanins, flavonols, flavan-3-ols, phenolic acids, and stilbenes—were identified and quantified in Zweigelt and Rondo wines. The wines of the Zweigelt variety were characterized by lower concentrations of phenolic compounds than those of the Rondo variety. Furthermore, wines of the Zweigelt variety contained the highest concentrations of flavan-3-ols, and wines of the Rondo variety—the highest concentrations of anthocyanins. Hierarchical cluster analysis (HCA) revealed that Zweigelt wines and Rondo wines formed two separate groups. The Rondo group was divided into two subgroups, differing in type of malolactic fermentation (spontaneous or induced). Phenolic compounds analysis by means of UPLC-PDA-MS/MS combined with HCA is a useful tool for the classification of red wines that were produced from Zweigelt and Rondo grape varieties, regardless of yeast strain and type of malolactic fermentation.
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Affiliation(s)
- Anna Stój
- Department of Biotechnology, Microbiology and Human Nutrition, Faculty of Food Science and Biotechnology, University of Life Sciences in Lublin, 8 Skromna Street, 20-704 Lublin, Poland
- Correspondence: ; Tel.: +48-81-4623380
| | - Ireneusz Kapusta
- Department of Food Technology and Human Nutrition, College of Natural Science, Rzeszów University, 4 Zelwerowicza Street, 35-601 Rzeszów, Poland;
| | - Dorota Domagała
- Department of Applied Mathematics and Computer Science, Faculty of Production Engineering, University of Life Sciences in Lublin, 28 Głęboka Street, 20-612 Lublin, Poland;
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Yu R, Kurtural SK. Proximal Sensing of Soil Electrical Conductivity Provides a Link to Soil-Plant Water Relationships and Supports the Identification of Plant Water Status Zones in Vineyards. FRONTIERS IN PLANT SCIENCE 2020; 11:244. [PMID: 32218792 PMCID: PMC7078246 DOI: 10.3389/fpls.2020.00244] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2019] [Accepted: 02/17/2020] [Indexed: 06/01/2023]
Abstract
The majority of the wine grapes are grown in Mediterranean climates, where water is the determining factor for grapevine physiology and berry chemistry. At the vineyard scale, plant water status is variable due to the variability in many environmental factors. In this study, we investigated the ecophysiological variability of an irrigated Cabernet Sauvignon (Vitis vinifera L.) vineyard. We used equidistant grid sampling to assess the spatial variations of the plants and soil, including plant water status by stem water potential (Ψ stem ), leaf gas exchange, and on-site soil analysis. We also measured soil electrical conductivity (EC) by proximal sensing at two depths [0.75 - 1.5 m (sub soil); 0 - 0.75 m (top soil)]. Ψ stem integrals were calculated to represent the season-long plant water status. On the base of realized Ψ stem integrals, the vineyard was delineated into two functional homogeneous zones (fHZs) with one severely water stressed zone and one moderately water stressed zone. Sub soil EC was directly related to Ψ stem (r 2 = 0.56) and g s (r 2 = 0.39) when the soil was proximally sensed at harvest in 2018. Although the same trend was evident in 2019 we could not deduce a direct relationship. The fruits from the two fHZs were harvested differentially. Comparing the two fHZs, there was no significant difference in juice total soluble solids or pH. The severely water stressed zone showed significantly higher malvidin and total anthocyanins on a dry skin weight basis, but lower peonidin, malvidin on a per berry basis in 2018. In 2019, there were more quercetin and total flavonols per berry in the severely water stressed zone. Overall, this study provided fundamental knowledge of the viability of managing spatial variability by delineating vineyard into distinct zones based on plant water status, and the potentiality of proximally sensed soil EC in the spatial assessment of plant water status and the supporting of vineyard management.
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Fernandes JMC, Sousa RMOF, Fraga I, Sampaio A, Amaral C, Bezerra RMF, Dias AA. Fungal biodegradation and multi-level toxicity assessment of vinasse from distillation of winemaking by-products. CHEMOSPHERE 2020; 238:124572. [PMID: 31422312 DOI: 10.1016/j.chemosphere.2019.124572] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 08/05/2019] [Accepted: 08/09/2019] [Indexed: 06/10/2023]
Abstract
The wastewaters from distilleries of winemaking by-products, a scarcely studied type of vinasse, were treated by white-rot fungal strains from species Irpex lacteus, Ganoderma resinaceum, Trametes versicolor, Phlebia rufa and Bjerkandera adusta. The main objectives of this study were to evaluate fungal performance during vinasse biodegradation, their enzyme patterns and ecotoxicity evolution throughout treatment. Despite all strains were able to promote strong (>80%) dephenolization and reduction of total organic carbon (TOC), P. rufa was less affected by vinasse toxicity and exhibit better decolorization. In batch cultures at 28 °C and pH 4.0, the first phase of P. rufa biodegradation kinetics was characterized by strong metabolic activity with simultaneous depletion of TOC, phenolics and sugars. The main events of second phase are the increase of peroxidases production after the peak of laccase activity, and strong color removal. At the end of treatment, it was observed highly significant (p < 0.001) abatement of pollution parameters (83-100% removal). Since water reclamation and reuse for e.g. crop irrigation is a priority issue, vinasse ecotoxicity was assessed with bioindicators representing three different phylogenetic and trophic levels: a marine bacterium (Aliivibrio fischeri), a freshwater microcrustacean (Daphnia magna) and a dicotyledonous macrophyte (Lepidium sativum). It was observed significant (p < 0.05) reduction of initial vinasse toxicity, as evaluated by these bioindicators, deserving special mention an almost complete phytotoxicity elimination.
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Affiliation(s)
- Joana M C Fernandes
- CITAB - Centre for the Research and Technology of Agro-Environmental and Biological Sciences, UTAD - Universidade de Trás-os-Montes e Alto Douro, 5000-801, Vila Real, Portugal
| | - Rose Marie O F Sousa
- CITAB - Centre for the Research and Technology of Agro-Environmental and Biological Sciences, UTAD - Universidade de Trás-os-Montes e Alto Douro, 5000-801, Vila Real, Portugal
| | - Irene Fraga
- CITAB - Centre for the Research and Technology of Agro-Environmental and Biological Sciences, UTAD - Universidade de Trás-os-Montes e Alto Douro, 5000-801, Vila Real, Portugal
| | - Ana Sampaio
- CITAB - Centre for the Research and Technology of Agro-Environmental and Biological Sciences, UTAD - Universidade de Trás-os-Montes e Alto Douro, 5000-801, Vila Real, Portugal
| | - Carla Amaral
- CITAB - Centre for the Research and Technology of Agro-Environmental and Biological Sciences, UTAD - Universidade de Trás-os-Montes e Alto Douro, 5000-801, Vila Real, Portugal
| | - Rui M F Bezerra
- CITAB - Centre for the Research and Technology of Agro-Environmental and Biological Sciences, UTAD - Universidade de Trás-os-Montes e Alto Douro, 5000-801, Vila Real, Portugal
| | - Albino A Dias
- CITAB - Centre for the Research and Technology of Agro-Environmental and Biological Sciences, UTAD - Universidade de Trás-os-Montes e Alto Douro, 5000-801, Vila Real, Portugal.
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Abstract
Electrochemical sensors and biosensors have been proposed as fast and cost effective analytical tools, meeting the robustness and performance requirements for industrial process monitoring. In wine production, electrochemical biosensors have proven useful for monitoring critical parameters related to alcoholic fermentation (AF), malolactic fermentation (MLF), determining the impact of the various technological steps and treatments on wine quality, or assessing the differences due to wine age, grape variety, vineyard or geographical region. This review summarizes the current information on the voltamperometric biosensors developed for monitoring wine production with a focus on sensing concepts tested in industry-like settings and on the main quality parameters such as glucose, alcohol, malic and lactic acids, phenolic compounds and allergens. Recent progress featuring nanomaterial-enabled enhancement of sensor performance and applications based on screen-printed electrodes is emphasized. A case study presents the monitoring of alcoholic fermentation based on commercial biosensors adapted with minimal method development for the detection of glucose and phenolic compounds in wine and included in an automated monitoring system. The current challenges and perspectives for the wider application of electrochemical sensors in monitoring industrial processes such as wine production are discussed.
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Hosnedlova B, Sochor J, Baron M, Bjørklund G, Kizek R. Application of nanotechnology based-biosensors in analysis of wine compounds and control of wine quality and safety: A critical review. Crit Rev Food Sci Nutr 2019; 60:3271-3289. [PMID: 31809581 DOI: 10.1080/10408398.2019.1682965] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Nanotechnology is one of the most promising future technologies for the food industry. Some of its applications have already been introduced in analytical techniques and food packaging technologies. This review summarizes existing knowledge about the implementation of nanotechnology in wine laboratory procedures. The focus is mainly on recent advancements in the design and development of nanomaterial-based sensors for wine compounds analysis and assessing wine safety. Nanotechnological approaches could be useful in the wine production process, to simplify wine analysis methods, and to improve the quality and safety of the final product.
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Affiliation(s)
- Bozena Hosnedlova
- Faculty of Horticulture, Department of Viticulture and Enology, Mendel University in Brno, Lednice, Czech Republic.,CONEM Metallomics Nanomedicine Research Group (CMNRG), Brno, Czech Republic
| | - Jiri Sochor
- Faculty of Horticulture, Department of Viticulture and Enology, Mendel University in Brno, Lednice, Czech Republic
| | - Mojmir Baron
- Faculty of Horticulture, Department of Viticulture and Enology, Mendel University in Brno, Lednice, Czech Republic
| | - Geir Bjørklund
- Council for Nutritional and Environmental Medicine (CONEM), Mo i Rana, Norway
| | - Rene Kizek
- CONEM Metallomics Nanomedicine Research Group (CMNRG), Brno, Czech Republic.,Faculty of Pharmacy, Department of Human Pharmacology and Toxicology, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic
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Valéria da Silva Padilha C, dos Santos Lima M, Maia Toaldo I, Elias Pereira G, Terezinha Bordignon-Luiz M. Effects of successive harvesting in the same year on quality and bioactive compounds of grapes and juices in semi-arid tropical viticulture. Food Chem 2019; 301:125170. [DOI: 10.1016/j.foodchem.2019.125170] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 07/09/2019] [Accepted: 07/10/2019] [Indexed: 02/07/2023]
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