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Yang W, Zheng Z, Shi Y, Reynolds AG, Duan C, Lan Y. Volatile phenols in wine: overview of origin, formation, analysis, and sensory expression. Crit Rev Food Sci Nutr 2024:1-26. [PMID: 38766770 DOI: 10.1080/10408398.2024.2354526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
Volatile phenols impart particular aromas to wine. Due to their distinctive aroma characteristics and low sensory thresholds, volatile phenols can easily influence and modify the aroma of wine. Since these compounds can be formed in wines in various ways, it is necessary to clarify the possible sources of each volatile phenol to achieve management during the winemaking process. The sources of volatile phenols in wine are divided into berry-derived, fermentation-derived, and oak-derived. The pathways and factors influencing the formation of volatile phenols from each source are then reviewed respectively. In addition, an overview of the sensory impact of volatile phenols is given, both in terms of the aroma these volatile phenols directly bring to the wine and their contribution through aroma interactions. Finally, as an essential basis for exploring the scientific problems of volatile phenols in wine, approaches to quantitation of volatile phenols and their precursors are discussed in detail. With the advancement of analytical techniques, more details on volatile phenols have been discovered. Further exploration is worthwhile to achieve more detailed monitoring and targeted management of volatile phenols in wine.
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Affiliation(s)
- Weixi Yang
- Center for Viticulture and Enology, College of Food Science & Nutritional Engineering, China Agricultural University, Beijing, China
- Ministry of Agriculture and Rural Affairs, Key Laboratory of Viticulture and Enology, Beijing, China
| | - Ziang Zheng
- Center for Viticulture and Enology, College of Food Science & Nutritional Engineering, China Agricultural University, Beijing, China
- Ministry of Agriculture and Rural Affairs, Key Laboratory of Viticulture and Enology, Beijing, China
| | - Ying Shi
- Center for Viticulture and Enology, College of Food Science & Nutritional Engineering, China Agricultural University, Beijing, China
- Ministry of Agriculture and Rural Affairs, Key Laboratory of Viticulture and Enology, Beijing, China
| | | | - Changqing Duan
- Center for Viticulture and Enology, College of Food Science & Nutritional Engineering, China Agricultural University, Beijing, China
- Ministry of Agriculture and Rural Affairs, Key Laboratory of Viticulture and Enology, Beijing, China
| | - Yibin Lan
- Center for Viticulture and Enology, College of Food Science & Nutritional Engineering, China Agricultural University, Beijing, China
- Ministry of Agriculture and Rural Affairs, Key Laboratory of Viticulture and Enology, Beijing, China
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Tan CE, Neupane BP, Wen Y, Lim LX, Medina Plaza C, Oberholster A, Tagkopoulos I. Volatile Organic Compound-Based Predictive Modeling of Smoke Taint in Wine. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:8060-8071. [PMID: 38533667 PMCID: PMC11010234 DOI: 10.1021/acs.jafc.3c07019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 03/11/2024] [Accepted: 03/12/2024] [Indexed: 03/28/2024]
Abstract
Smoke taint in wine has become a critical issue in the wine industry due to its significant negative impact on wine quality. Data-driven approaches including univariate analysis and predictive modeling are applied to a data set containing concentrations of 20 VOCs in 48 grape samples and 56 corresponding wine samples with a taster-evaluated smoke taint index. The resulting models for predicting the smoke taint index of wines are highly predictive when using as inputs VOC concentrations after log conversion in both grapes and wines (Pearson Correlation Coefficient PCC = 0.82; R2 = 0.68) and less so when only grape VOCs are used (Pearson Correlation Coefficient PCC = 0.76; R2 = 0.56), and the classification models also show the capacity for detecting smoke-tainted wines using both wine and grape VOC concentrations (Recall = 0.76; Precision = 0.92; F1 = 0.82) or using only grape VOC concentrations (Recall = 0.74; Precision = 0.92; F1 = 0.80). The performance of the predictive model shows the possibility of predicting the smoke taint index of the wine and grape samples before fermentation. The corresponding code of data analysis and predictive modeling of smoke taint in wine is available in the Github repository (https://github.com/IBPA/smoke_taint_prediction).
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Affiliation(s)
- Cheng-En Tan
- Department
of Computer Science, University of California,
Davis, Davis, California 95616, United States
- Genome
Center, University of California, Davis, Davis, California 95616, United States
- USDA/NSF
AI Institute for Next Generation Food Systems (AIFS), University of California, Davis, Davis, California 95616, United States
| | - Bishnu Prasad Neupane
- Department
of Viticulture and Enology, University of
California, Davis, Davis, California 95616, United States
| | - Yan Wen
- Department
of Viticulture and Enology, University of
California, Davis, Davis, California 95616, United States
| | - Lik Xian Lim
- Department
of Viticulture and Enology, University of
California, Davis, Davis, California 95616, United States
| | - Cristina Medina Plaza
- Department
of Viticulture and Enology, University of
California, Davis, Davis, California 95616, United States
| | - Anita Oberholster
- Department
of Viticulture and Enology, University of
California, Davis, Davis, California 95616, United States
| | - Ilias Tagkopoulos
- Department
of Computer Science, University of California,
Davis, Davis, California 95616, United States
- Genome
Center, University of California, Davis, Davis, California 95616, United States
- USDA/NSF
AI Institute for Next Generation Food Systems (AIFS), University of California, Davis, Davis, California 95616, United States
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Oberholster, Lim LX, Plaza CM, Perez IA, Wen Y, Neupane B. Grape smoke exposure risk assessment: Wine matrix impact on smoke marker compound smoke expression. BIO WEB OF CONFERENCES 2023. [DOI: 10.1051/bioconf/20235602039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2023] Open
Abstract
During wildfires large amounts of volatile phenols (VP’s) are released into the air from wood burning. These compounds absorb through the berry skin, where they are quickly glycosylated. Studies have shown that both the free and bound volatile phenols contribute to smoke taint perception. For grape smoke exposure risk assessment, both the natural amount of free and bound VP’s in grapes (baseline) as well as rejection threshold levels of these compounds in different wine matrixes need to be determined. In the current study the sensory attributes of different smoke impacted and non-smoke impacted wines from the same sites were determined by descriptive analysis. Multivariate statistics were used to relate smoke-related sensory attributes to smoke marker compounds. Subsequently, wines with different levels of smoke marker compounds were made by serial dilution of a smoke impacted wine with its respective non-impacted wine. A consumer study was conducted to determine the change in ‘liking’ for a wine depending on the percentage inclusion of smoke impacted wine. Rejection threshold levels of smoke marker compounds in red wine matrixes were determined by linking ‘liking’ scores to specific wine attributes. This is the first step in creating clear guidelines for wine smoke taint risk assessment.
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Shen X, Chen Y, Omedi JO, Oz E, Oz F, Xiao C, Zhou Y, Chen J, Zeng M. The Effects of Volatile Organic Compounds (VOCs) on the Formation of Heterocyclic Amines (HAs) in Meat Patties, under Different Smoking Temperatures and Durations. Foods 2022; 11:foods11223687. [PMID: 36429279 PMCID: PMC9689661 DOI: 10.3390/foods11223687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/08/2022] [Accepted: 11/15/2022] [Indexed: 11/19/2022] Open
Abstract
In this study, UPLC-MS/MS was used to study the effects of smoking duration and temperature on the formation of heterocyclic amines (HAs) in smoke-processed meat patties. Four kinds of free HAs—including F-7,8-DiMeIQx; F-MeAαC; F-Harman and F-Norharman—and six kinds of protein-bound HAs—including B-AαC; B-7,8-DiMeIQx; B-Glu-p-1; B-MeAαC; B-Harman and B-Norharman—were detected and quantified. Among the free HAs, we observed a 23-fold content increase (p < 0.05), from 0−4 h (at 0 h and 4 h they were 4.24 ng·g−1 and 98.33 ng·g−1, respectively), and the content of the free HAs decreased to 78.80 ng·g−1, at 5 h. At the same time, the free HAs content increased from 53.52 ng·g−1, at 50 °C, to 127.16 ng·g−1, at 60 °C, and then decreased continuously. The content of the free HAs was the highest at 60 °C. For the protein-bound HAs, their content was found to generally decrease with the increase in smoking duration and temperature. However, at 5 h, the content of protein-bound HAs slightly increased to 984.2 ng·g−1. Meanwhile, at 90 °C, it increased to 1643.53 ng·g−1. Additionally, a total of 16 volatile organic compounds (VOCs) were found in all of the meat samples, of which 10 VOCs (one acid, three aldehydes and seven phenols) were significantly related to the formation of free HAs. These findings showed that all the different types of HAs were produced under low-temperature processing, which provided scientific insights into the potential generation of HAs during meat smoking processes and could be used as a reference to minimize the risks of cancer related to the consumption of smoked meat products.
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Affiliation(s)
- Xing Shen
- College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Yang Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Jacob Ojobi Omedi
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Emel Oz
- Department of Food Engineering, Faculty of Agriculture, Ataturk University, Erzurum 25240, Turkey
| | - Fatih Oz
- Department of Food Engineering, Faculty of Agriculture, Ataturk University, Erzurum 25240, Turkey
| | - Chunwang Xiao
- College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
- Correspondence: (C.X.); (M.Z.)
| | - Yijun Zhou
- College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
| | - Jie Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Maomao Zeng
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Correspondence: (C.X.); (M.Z.)
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Crews P, Dorenbach P, Amberchan G. Appraising California Zinfandel Exposure to Wildfire Smoke Using Natural Product Phenolic Diglycoside Biomarkers. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:11738-11748. [PMID: 36075021 PMCID: PMC9501791 DOI: 10.1021/acs.jafc.2c04807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 08/25/2022] [Accepted: 08/30/2022] [Indexed: 06/15/2023]
Abstract
Zinfandel grapes are ubiquitous in California and its wine quality could be negatively impacted from wildfire smoke. Thus, the occurrence of fires prior to grape harvest presents a persistent problem to both viticulture and enology processes. This is the first broad study on Zinfandel to investigate wine quality defects produced by natural wildfires. The project, guided by UHPLC separations and MS2 multiple reaction monitoring, involved measuring natural product phenolic diglycosides (PDs) bioaccumulated in grapes, and expands outcomes published in 2022 by our team (called the Santa Cruz Campaign, SCC). The plan was implemented by exploiting a panel of six marker PDs 1-6 and their deuterated analogues. Examined in the study were 24 different Zinfandel wines obtained from 2016 to 2021 vintages of nine different American Viticulture Areas (AVAs) that were also within five of the eight California Zinfandel viticulture zones. The goal was to extend understanding on PD variations using patterns that possibly change as a function of appellation and fire intensity. Preliminary data was obtained to examine the relative amounts of PDs localized in berry skin versus pulp. The baseline of <15 ppb was proposed by surveying 18 distinct unsmoked Zinfandel wines. It was proposed to estimate the smoke impact on other Zinfandel wines by using seven PD ppb concentrations categories. A pilot study was also launched to assess conclusions by comparing ppb-based ratings versus sensory evaluation quality estimates. General findings presented herein should provide an important foundation to build understanding of using PD patterns to forecast possible Zinfandel wine wildfire damage.
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Affiliation(s)
- Phillip Crews
- Department
of Chemistry and Biochemistry, University
of California, Santa Cruz, California 95064, United States
| | - Paul Dorenbach
- SC
Laboratories Inc, Santa Cruz, California 95060, United States
| | - Gabriella Amberchan
- Department
of Chemistry and Biochemistry, University
of California, Santa Cruz, California 95064, United States
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