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Wang Y, Huang Y, Song L, Wang H, Wan L, Pang J, Liang W. The characteristic VOCs of different parts of Artocarpus heterophyllus fruit based on HS-SPME-GC-MS and PTR-TOF-MS. Food Chem 2024; 459:140431. [PMID: 39018618 DOI: 10.1016/j.foodchem.2024.140431] [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: 02/18/2024] [Revised: 06/27/2024] [Accepted: 07/10/2024] [Indexed: 07/19/2024]
Abstract
Insight investigation on both edible pulps and inedible parts involving inflorescence axis and shreds of Artocarpus heterophyllus Lam were carried out, a total of 98 VOCs and 201 masses were identified by the combination of HS-SPME-GC-MS and PTR-TOF-MS. Among them, according to the consistency of OAV and results of VIP > 1, p < 0.05, compounds methyl isovalerate (A2), 3-methylbutyl acetate (A5) and octanoic acid, ethyl ester (A21) were recognized as aroma markers to distinguish the pulps, shreds and inflorescence axis. Meanwhile, the inflorescence axis (IC50: 1.82 mg/mL) and shreds (IC50: 16.74 mg/mL) exhibited more excellent antioxidant potency than pulps (IC50: 17.43 mg/mL) in vitro. These findings validated the feasibility of coupling HS-SPME-GC-MS and PTR-TOF-MS for rapid detection of characteristic VOCs of this plant, and offered new prospect of fragrance utilization and waste management of the edible and inedible parts of A. heterophyllus fruit.
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Affiliation(s)
- Yueping Wang
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, China
| | - Yequn Huang
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, PR China
| | - Lianping Song
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, China
| | - Hong Wang
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, China
| | - Li Wan
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, China
| | - Jinqian Pang
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, China
| | - Wenjuan Liang
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, China.
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Yao Y, Zhang R, Jia R, Yao Z, Qiao Y, Wang Z. Exploration of Raw Pigmented-Fleshed Sweet Potatoes Volatile Organic Compounds and the Precursors. Molecules 2024; 29:606. [PMID: 38338351 PMCID: PMC10856654 DOI: 10.3390/molecules29030606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 01/22/2024] [Accepted: 01/24/2024] [Indexed: 02/12/2024] Open
Abstract
Sweet potato provides rich nutrients and bioactive substances for the human diet. In this study, the volatile organic compounds of five pigmented-fleshed sweet potato cultivars were determined, the characteristic aroma compounds were screened, and a correlation analysis was carried out with the aroma precursors. In total, 66 volatile organic compounds were identified. Terpenoids and aldehydes were the main volatile compounds, accounting for 59% and 17%, respectively. Fifteen compounds, including seven aldehydes, six terpenes, one furan, and phenol, were identified as key aromatic compounds for sweet potato using relative odor activity values (ROAVs) and contributed to flower, sweet, and fat flavors. The OR sample exhibited a significant presence of trans-β-Ionone, while the Y sample showed high levels of benzaldehyde. Starch, soluble sugars, 20 amino acids, and 25 fatty acids were detected as volatile compounds precursors. Among them, total starch (57.2%), phenylalanine (126.82 ± 0.02 g/g), and fatty acids (6.45 μg/mg) were all most abundant in Y, and LY contained the most soluble sugar (14.65%). The results of the correlation analysis revealed the significant correlations were identified between seven carotenoids and trans-β-Ionone, soluble sugar and nerol, two fatty acids and hexanal, phenylalanine and 10 fatty acids with benzaldehyde, respectively. In general, terpenoids and aldehydes were identified as the main key aromatic compounds in sweet potatoes, and carotenoids had more influence on the aroma of OR than other cultivars. Soluble sugars, amino acids, and fatty acids probably serve as important precursors for some key aroma compounds in sweet potatoes. These findings provide valuable insights for the formation of sweet potato aroma.
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Affiliation(s)
- Yanqiang Yao
- College of Agriculture and Biotechnology, Hebei Normal University of Science & Technology, Changli 066600, China;
- Guangdong Province Key Laboratory of Crop Genetic Improvement, Crops Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China; (R.Z.); (R.J.); (Z.Y.)
| | - Rong Zhang
- Guangdong Province Key Laboratory of Crop Genetic Improvement, Crops Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China; (R.Z.); (R.J.); (Z.Y.)
| | - Ruixue Jia
- Guangdong Province Key Laboratory of Crop Genetic Improvement, Crops Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China; (R.Z.); (R.J.); (Z.Y.)
| | - Zhufang Yao
- Guangdong Province Key Laboratory of Crop Genetic Improvement, Crops Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China; (R.Z.); (R.J.); (Z.Y.)
| | - Yake Qiao
- College of Agriculture and Biotechnology, Hebei Normal University of Science & Technology, Changli 066600, China;
| | - Zhangying Wang
- Guangdong Province Key Laboratory of Crop Genetic Improvement, Crops Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China; (R.Z.); (R.J.); (Z.Y.)
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3
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Hu J, Sun X, Yang F, Vidyarthi SK, Xiao H, Liu C, Duan X, Wang H. Changes in, and correlation analysis of, volatile compounds, key enzymes, and fatty acids in lemon juice vesicles during freeze drying and hot-air drying. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:6330-6339. [PMID: 37195093 DOI: 10.1002/jsfa.12707] [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: 01/08/2023] [Revised: 04/13/2023] [Accepted: 05/17/2023] [Indexed: 05/18/2023]
Abstract
BACKGROUND Lemon juice vesicles are distinguished by their unique and abundant volatile flavor compounds, which can undergo complex changes during drying. In this study, integrated freeze drying (IFD), conventional freeze drying (CFD), and hot-air drying (AD) were used to dry lemon juice vesicles to investigate the changes in, and correlations among volatile compounds, fatty acids, and key enzyme activity during the drying process. RESULTS Twenty-two volatile compounds were detected during the drying processes. Compared with fresh samples, seven compounds were lost in the dried samples after IFD, seven after CFS, and six after AD, and the loss rates of the total content of volatile compounds in the dried samples were 82.73% in CFD, more than 71.22% in IFD, and more than 28.78% in AD. In total, 1.015 mg/g of seven fatty acids were detected in the fresh samples; the content loss rates of total fatty acids after drying were 67.68% in AD, more than 53.00% in CFD, and more than 36.95% in IFD, respectively. During the three drying processes, IFD retained relatively higher enzyme activity in the samples. CONCLUSION Many positive and negative correlations (P < 0.05) were observed among the key enzyme effects, fatty acids, and volatile compounds, showing close associations. The current work provides information that is important for the selection of suitable drying techniques for lemon juice vesicles and suggests how to control their flavor during the drying process. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Jiaqi Hu
- School of Food Science, Nanjing Xiaozhuang University, Nanjing, China
- College of Food Science, Shenyang Agricultural University, Shenyang, China
| | - Xiyun Sun
- College of Food Science, Shenyang Agricultural University, Shenyang, China
| | - Feifei Yang
- School of Food Science, Nanjing Xiaozhuang University, Nanjing, China
- College of Food Science, Shenyang Agricultural University, Shenyang, China
| | - Sriram K Vidyarthi
- Department of Biological and Agricultural Engineering, University of California, Davis, California, USA
| | - Hongwei Xiao
- College of Engineering, China Agricultural University, Beijing, China
| | - Chunju Liu
- Institute of Agro-Product Processing, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Xiaojie Duan
- School of Food Science, Nanjing Xiaozhuang University, Nanjing, China
- College of Food Science, Shenyang Agricultural University, Shenyang, China
| | - Haiou Wang
- School of Food Science, Nanjing Xiaozhuang University, Nanjing, China
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4
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Ge YH, Li X, Huang M, Huang Z, Wu M, Sun B, Wang L, Wu JL, Li N. Aroma correlation assisted volatilome coupled network analysis strategy to unveil main aroma-active volatiles of Rosa roxburghii. Food Res Int 2023; 169:112819. [PMID: 37254394 DOI: 10.1016/j.foodres.2023.112819] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 03/01/2023] [Accepted: 04/11/2023] [Indexed: 06/01/2023]
Abstract
To investigate the main aroma-active volatiles out from comprehensive chemical profile, we proposed an aroma correlation assisted volatilome coupled network analysis strategy and applied it to the study of Rosa roxburghii. Based on 475 detected volatiles with GC × GC-TOF/MS analysis, the volatilome was screened with both positive aroma activities and high contents to discover some aliphatic acids, alcohols, aldehydes and esters, terpenoids as well as some alkenes and ketones. Especially, a series of homologous C6- and C8- acids, alcohols, aldehydes, esters as well as some terpenoids like limonene take the predominant contributions to the aromas. Moreover, two aroma-active and aroma-contributing volatile groups including acid-aldehyde-alcohol-ester and terpenoid groups were clustered to integrally be responsible for the major aromas of R. roxburghii with network analysis. Additionally, the accumulation of C6- and C8-family homologous aliphatic volatiles was also elucidated with linoleic and linolenic acid derived pathways. This strategy is practical to investigate the main aroma-active volatiles based on volatilome.
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Affiliation(s)
- Ya-Hui Ge
- State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Avenida Wai Long, Taipa 999078, Macau, China
| | - Xue Li
- Institute of Mass Spectrometry and Atmospheric Environment, Jinan University, Guangdong Provincial Engineering Research Center for On-line Source Apportionment System of Air Pollution, Guangzhou 510632, China
| | - Mingzheng Huang
- College of Food and Pharmaceutical Engineering, Guizhou Institute of Technology, Guiyang, Guizhou, China
| | - Zhengxu Huang
- Institute of Mass Spectrometry and Atmospheric Environment, Jinan University, Guangdong Provincial Engineering Research Center for On-line Source Apportionment System of Air Pollution, Guangzhou 510632, China
| | - Manman Wu
- Institute of Mass Spectrometry and Atmospheric Environment, Jinan University, Guangdong Provincial Engineering Research Center for On-line Source Apportionment System of Air Pollution, Guangzhou 510632, China
| | - Baoqing Sun
- Department of Allergy and Clinical Immunology, Guangzhou Institute of Respiratory Health, State Key Laboratory of Respiratory Disease, National Clinical Research Center of Respiratory Disease, National Center for Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Lishuang Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Avenida Wai Long, Taipa 999078, Macau, China
| | - Jian-Lin Wu
- State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Avenida Wai Long, Taipa 999078, Macau, China.
| | - Na Li
- State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Avenida Wai Long, Taipa 999078, Macau, China.
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Liu Q, Lin J, Zhao W, Lei M, Yang J, Bai W. The dynamic changes of flavors and UPLC-Q-Exactive-Orbitrap-MS based lipidomics in mackerel (Scomberomorus niphonius) during dry-cured processing. Food Res Int 2023; 163:112273. [PMID: 36596184 DOI: 10.1016/j.foodres.2022.112273] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 11/22/2022] [Accepted: 11/27/2022] [Indexed: 12/05/2022]
Abstract
Dry-cured mackerel is favored by consumers for its suitable salty flavor. Herein, the dynamic changes of volatile compounds and lipids in the mackerel, and the lipidomics based on UPLC-Orbitrap/MS technique during dry-cured processing were investigated. The results showed that endogenous lipases activities in dry-cured mackerel decreased. The dry-cured processing of mackerel had significant effects on its lipid classes and content. The contents of Arachidonic acid (C20:4n6), docosapentaenoic acid (C22:5n3), linoleic acid (LA, C18:2n6), alpha-linolenic acid (C18:3n3), eicosatrienoic acid (C20:3n3) and docosahexaenoic acid (DHA, C22:6n3) increased during dry-cured processing. A total of 38 kinds of volatile compounds were detected in the dry-cured mackerel, 12 of which were derived from fatty acid oxidation. Among 30 lipid metabolites (FC ≥ 2 and VIP > 2), phosphatidylethanolamine (PE, 19:0/22:6) accounted for the highest content, and its difference between three stages was the most obvious. Glycerophospholipid and sphingolipid metabolisms were the most important metabolic pathways involved in dry-cured processing.
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Affiliation(s)
- Qiaoyu Liu
- College of Light Industry and Food Sciences, Academy of Contemporary Agricultural Engineering Innovations, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China; Guangdong Key Laboratory of Lingnan Specialty Food Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China; Key Laboratory of Green Processing and Intelligent Manufacturing of Lingnan Specialty Food, Ministry of Agriculture, Guangzhou 510225, China
| | - Jianjun Lin
- College of Light Industry and Food Sciences, Academy of Contemporary Agricultural Engineering Innovations, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China; Guangdong Key Laboratory of Lingnan Specialty Food Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China; Key Laboratory of Green Processing and Intelligent Manufacturing of Lingnan Specialty Food, Ministry of Agriculture, Guangzhou 510225, China
| | - Wenhong Zhao
- College of Light Industry and Food Sciences, Academy of Contemporary Agricultural Engineering Innovations, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China; Guangdong Key Laboratory of Lingnan Specialty Food Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China; Key Laboratory of Green Processing and Intelligent Manufacturing of Lingnan Specialty Food, Ministry of Agriculture, Guangzhou 510225, China
| | - Menglin Lei
- College of Light Industry and Food Sciences, Academy of Contemporary Agricultural Engineering Innovations, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China; Guangdong Key Laboratory of Lingnan Specialty Food Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China; Key Laboratory of Green Processing and Intelligent Manufacturing of Lingnan Specialty Food, Ministry of Agriculture, Guangzhou 510225, China
| | - Juan Yang
- College of Light Industry and Food Sciences, Academy of Contemporary Agricultural Engineering Innovations, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China; Guangdong Key Laboratory of Lingnan Specialty Food Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China; Key Laboratory of Green Processing and Intelligent Manufacturing of Lingnan Specialty Food, Ministry of Agriculture, Guangzhou 510225, China
| | - Weidong Bai
- College of Light Industry and Food Sciences, Academy of Contemporary Agricultural Engineering Innovations, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China; Guangdong Key Laboratory of Lingnan Specialty Food Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China; Key Laboratory of Green Processing and Intelligent Manufacturing of Lingnan Specialty Food, Ministry of Agriculture, Guangzhou 510225, China.
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6
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Chen X, Gu Z, Peng Y, Quek SY. What happens to commercial camembert cheese under packaging? Unveiling biochemical changes by untargeted and targeted metabolomic approaches. Food Chem 2022; 383:132437. [PMID: 35182863 DOI: 10.1016/j.foodchem.2022.132437] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 01/26/2022] [Accepted: 02/09/2022] [Indexed: 11/26/2022]
Abstract
Camembert cheese undergoes various biochemical changes during ripening, which lead to its unique aroma and typical flavor characteristics. This study aimed to systemically evaluate the primary biochemical events (lipolysis and proteolysis) and secondary metabolites (flavor compounds) of commercial Camembert during 56 days of ripening under packaging conditions. The changes of free fatty acid, free amino acids, soluble nitrogen, proteins/peptides distribution, odorant contribution, and volatile profiles were studied. Results showed that the lipolytic process was prevalent during the initial 14 days, while the proteolysis level continuously increased as the ripening period advanced, causing the index of ripening depth to increase from 4.8% to 13.9%. On day 28, the sample developed odorants with high modified frequency values of 94.3%. With the untargeted metabolomic approaches, two major (γ-butyrolactone and methyl heptenone) and four minor (3-methyl-1-butanol, γ-hexalactone, 2-nonanone, and dodecanoic acid) volatile markers were recognized to discriminate the ripening stages of Camembert cheese.
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Affiliation(s)
- Xiao Chen
- Food Science, School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand
| | - Zixuan Gu
- Department of Plant Sciences, North Dakota State University, Fargo, ND 58108, USA
| | - Yinghan Peng
- Food Science, School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand
| | - Siew Young Quek
- Food Science, School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand; Riddet Institute, Centre of Research Excellence in Food Research, Palmerston North 4474, New Zealand.
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7
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Fella P, Kaikiti K, Stylianou M, Agapiou A. HS-SPME-GC/MS Analysis for Revealing Carob's Ripening. Metabolites 2022; 12:metabo12070656. [PMID: 35888780 PMCID: PMC9320592 DOI: 10.3390/metabo12070656] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 07/04/2022] [Accepted: 07/11/2022] [Indexed: 11/16/2022] Open
Abstract
Carob's recognized nutritional and medicinal value next to its unique agriculture importance is associated with an array of social, economic, and cultural activities. The carob fruit is popular for its intense aroma due to the emitted volatile organic compounds (VOCs). The composition of VOCs released from carob fruits changes during ripening, rendering it a non-invasive tool for the determination of the ripening period and freshness of the fruit. Therefore, headspace solid-phase microextraction gas chromatography/mass spectrometry (HS-SPME-GC/MS) was applied to reveal the respective gaseous signal molecules related to fruit maturity. The sampling was implemented during weeks 26-36 from five different locations in Cyprus. Additionally, the gaseous emissions of total VOCs (TVOCs) and carbon dioxide (CO2) were recorded next to the moisture content of the fruit. The major chemical classes in the ripening are acids, followed by esters, and ketones. More specifically, the most abundant VOCs during ripening are propanoic acid, 2-methyl-(isobutyric acid), 2-heptanone, propanoic acid, 2-methyl-, 2-methylbutyl ester, acetic acid, methyl isobutyrate, propanoic acid, 2-methyl-, 3-methylbutyl ester, 2-pentanone, butanoic acid and propanoic acid, 2-methyl-ethyl ester. Finally, CO2 emissions and moisture content showed a rapid decline until the 31st week and then stabilized for all examined areas. The methodology revealed variations in VOCs' profile during the ripening process.
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8
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Leonard W, Zhang P, Ying D, Fang Z. Surmounting the off-flavor challenge in plant-based foods. Crit Rev Food Sci Nutr 2022; 63:10585-10606. [PMID: 35603719 DOI: 10.1080/10408398.2022.2078275] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Plant-based food products have been receiving an astronomical amount of attention recently, and their demand will most likely soar in the future. However, their unpleasant, intrinsic flavor and odor are the major obstacles limiting consumer's acceptance. These off-flavors are often described as "green," "grassy," "beany," "fatty" and "bitter." This review highlights the presence and formation of common off-flavor volatiles (aldehydes, alcohols, ketones, pyrazines, furans) and nonvolatiles (phenolics, saponins, peptides, alkaloids) from a variety of plant-based foods, including legumes (e.g. lentil, soy, pea), fruits (e.g. apple, grape, watermelon) and vegetables (e.g. carrot, potato, radish). These compounds are formed through various pathways, including lipid oxidation, ethanol fermentation and Maillard reaction (and Strecker degradation). The effect of off-flavor compounds as received by the human taste receptors, along with its possible link of bioactivity (e.g. anti-inflammatory effect), are briefly discussed on a molecular level. Generation of off-flavor compounds in plants is markedly affected by the species, cultivar, geographical location, climate conditions, farming and harvest practices. The effects of genome editing (i.e. CRISPR-Cas9), various processing technologies, such as antioxidant supplementation, enzyme treatment, extrusion, fermentation, pressure application, and different storage and packaging conditions, have been increasingly studied in recent years to mitigate the formation of off-flavors in plant foods. The information presented in this review could be useful for agricultural practitioners, fruits and vegetables industry, and meat and dairy analogue manufacturers to improve the flavor properties of plant-based foods.
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Affiliation(s)
- William Leonard
- School of Agriculture and Food, The University of Melbourne, Parkville, Victoria, Australia
| | - Pangzhen Zhang
- School of Agriculture and Food, The University of Melbourne, Parkville, Victoria, Australia
| | - Danyang Ying
- CSIRO Agriculture & Food, Werribee, Victoria, Australia
| | - Zhongxiang Fang
- School of Agriculture and Food, The University of Melbourne, Parkville, Victoria, Australia
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9
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Chen X, Quek SY. Free and glycosidically bound aroma compounds in fruit: biosynthesis, transformation, and practical control. Crit Rev Food Sci Nutr 2022; 63:9052-9073. [PMID: 35452325 DOI: 10.1080/10408398.2022.2064422] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Fruit aroma makes an initial flavor impression and largely determines the consumer preference and acceptance of fruit products. Free volatile organic compounds (FVOCs) directly make up the characteristic aromas of fruits. While glycosidically bound volatile compounds (GBVs) can be hydrolyzed during fruit ripening, postharvest storage, and processing, releasing the attached aglycones as free volatiles that could alter the overall aroma attributes of fruits. GBVs typically exhibit significantly higher concentrations than their free counterparts in fruits such as grapes, cherries, kiwifruits, tomatoes, and tamarillos. This review highlights the biosynthesis of FVOCs and GBVs in fruit and illustrates their biological transformations for various functional purposes such as detoxification, aroma enhancement, plant defense, and pollinator attraction. Practical applications for regulating the levels of aroma compounds emitted or accumulated in fruit are also reviewed, emphasizing the metabolic engineering of free volatile metabolites and hydrolytic technologies on aroma glycosides. Generally, enzymatic hydrolysis using AR2000 is a common strategy to enhance the sensory attributes of fruit juices/wines, while acidic hydrolysis induces the oxidation and rearrangement of aglycones, generating artifacts with off-aromas. This review associates the occurrence of free and glycosidic bound volatiles in fruit and addresses their importance in fruit flavor enhancement and industrial applications.
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Affiliation(s)
- Xiao Chen
- School of Chemical Sciences, The University of Auckland, Auckland, New Zealand
| | - Siew Young Quek
- School of Chemical Sciences, The University of Auckland, Auckland, New Zealand
- Riddet Institute, Centre of Research Excellence in Food Research, Palmerston North, New Zealand
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10
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Liu Q, Hamid N, Liu Y, Kam R, Kantono K, Wang K, Lu J. Bioactive Components and Anticancer Activities of Spray-Dried New Zealand Tamarillo Powder. Molecules 2022; 27:2687. [PMID: 35566037 PMCID: PMC9103875 DOI: 10.3390/molecules27092687] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/26/2022] [Accepted: 04/13/2022] [Indexed: 11/16/2022] Open
Abstract
Tamarillo fruit contains many phytochemicals that have beneficial therapeutic and nutritional properties. Spray-drying is widely used to preserve fruit puree in powder form. However, to obtain high-quality fruit powder, the optimisation of spray-drying conditions is necessary, as a high drying temperature can damage sensitive bioactive compounds. This study investigated the effects of spray-drying on the microstructure, polyphenolics, total flavonoids, total carotenoids, antioxidant activity, and anticancer capacity of tamarillo powder. Response surface methodology (RSM) was used to optimise the spray-drying process to produce tamarillo powder. The independent variables were inlet drying temperature (120-160 °C), flow rate (1-5 g/mL), and maltodextrin concentration (0-10%). These variables influenced the microstructural attributes, bioactive components, and cytotoxicity of the spray-dried tamarillo powder. The increase in polyphenols and antioxidant activities were favoured under high-temperature spray drying conditions and a low carrier concentration. The optimised spray-drying conditions for producing tamarillo powder with high antioxidant and anticancer activities, high yield, and stable bioactive compounds were found to be at 146.8 °C inlet temperature, and a flow rate of 1.76 g/mL.
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Affiliation(s)
- Qian Liu
- Department of Food Science and Microbiology, Faculty of Health and Environment Sciences, Auckland University of Technology, Private Bag 92006, Auckland 1142, New Zealand; (Q.L.); (Y.L.); (R.K.); (K.K.)
| | - Nazimah Hamid
- Department of Food Science and Microbiology, Faculty of Health and Environment Sciences, Auckland University of Technology, Private Bag 92006, Auckland 1142, New Zealand; (Q.L.); (Y.L.); (R.K.); (K.K.)
| | - Ye Liu
- Department of Food Science and Microbiology, Faculty of Health and Environment Sciences, Auckland University of Technology, Private Bag 92006, Auckland 1142, New Zealand; (Q.L.); (Y.L.); (R.K.); (K.K.)
| | - Rothman Kam
- Department of Food Science and Microbiology, Faculty of Health and Environment Sciences, Auckland University of Technology, Private Bag 92006, Auckland 1142, New Zealand; (Q.L.); (Y.L.); (R.K.); (K.K.)
| | - Kevin Kantono
- Department of Food Science and Microbiology, Faculty of Health and Environment Sciences, Auckland University of Technology, Private Bag 92006, Auckland 1142, New Zealand; (Q.L.); (Y.L.); (R.K.); (K.K.)
| | - Kelvin Wang
- School of Science, Faculty of Health & Environmental Sciences, Auckland University of Technology, Auckland 1142, New Zealand; (K.W.); (J.L.)
| | - Jun Lu
- School of Science, Faculty of Health & Environmental Sciences, Auckland University of Technology, Auckland 1142, New Zealand; (K.W.); (J.L.)
- School of Public Health & Interdisciplinary Studies, Faculty of Health & Environmental Sciences, Auckland University of Technology, Auckland 1142, New Zealand
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11
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Chen X, Kilmartin PA, Fedrizzi B, Quek SY. Elucidation of Endogenous Aroma Compounds in Tamarillo ( Solanum betaceum) Using a Molecular Sensory Approach. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:9362-9375. [PMID: 34342975 DOI: 10.1021/acs.jafc.1c03027] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Glycosidically bound volatiles (GBVs) are flavorless compounds in fruits and may undergo hydrolysis during fruit maturation, storage, and processing, releasing free aglycones that are odor active. However, the contribution of glycosidic aglycones to the sensory attributes of fruits remains unclear. Herein, the key odor-active aglycones in tamarillo fruits were elucidated through the molecular sensory approach. We extracted GBVs from three cultivars of tamarillo fruits using solid-phase extraction and subsequently prepared aglycone isolates by enzymatic hydrolysis of GBVs. Gas chromatography-mass spectrometry-olfactometry (GC-MS-O) coupled with odor activity value (OAV) calculation, comparative aroma extract dilution analysis (cAEDA), and omission tests were used to identify key aromatic aglycones. A total of 42 odorants were determined by GC-MS-O analysis. Among them, trans-2,cis-6-nonadienal, 2,5-dimethyl-4-hydroxy-3(2H)-furanone (DMHF), linalool, 4-vinylguaiacol, geraniol, and α-terpineol showed high OAVs. The cultivar Amber had more aglycones with flavor dilution (FD) factors >16 than the Mulligan cultivar (27 vs 21, respectively), and the Laird's Large fruit showed the highest FD of 1024 for glycosidic DMHF. Omission tests indicated 14 aglycones as essential odorants related to GBVs in tamarillo fruits. Moreover, the enzymatic liberation of aglycones affected the sensory attributes of the tamarillo juice, resulting in an intensified odor profile with noticeable fruity and sweet notes. This study gives insights into the role of endogenous aroma during tamarillo-flavor perception, which lays the groundwork for developing tamarillo-based products with improved sensory properties.
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Affiliation(s)
- Xiao Chen
- School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand
| | - Paul A Kilmartin
- School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand
| | - Bruno Fedrizzi
- School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand
| | - Siew Young Quek
- School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand
- Riddet Institute, Centre of Research Excellence in Food Research, Palmerston North 4474, New Zealand
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Effect of ripening and variety on the physiochemical quality and flavor of fermented Chinese chili pepper (Paojiao). Food Chem 2021; 368:130797. [PMID: 34399178 DOI: 10.1016/j.foodchem.2021.130797] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 07/23/2021] [Accepted: 08/04/2021] [Indexed: 02/04/2023]
Abstract
This work monitored the effect of ripening and variety on the physiochemical quality and flavor of fermented Chinese chili pepper (Paojiao). Three commercial varieties of chili pepper (Capsicum frutescens Linn.) at three ripening stages were selected. Physiochemical quality (color, texture, and vitamin C) and flavor properties [capsaicinoids, free amino acid (FAA), and aroma] were determined and compared by multivariate data analysis. The hardness and chewiness decreased, while the contents of vitamin C, capsaicin, and taste-active FAAs increased in Paojiao with ripening. More volatiles were found in green peppers. Fingerprinting and multivariate data analysis revealed that ester, aldehydes, and terpenes were discriminant volatiles that significantly changed in Paojiao during ripening. In general, ripening and variety greatly affect the physiochemical and flavor quality of peppers and their effects intensify after fermentation.
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Zidi K, Kati DE, Bachir-bey M, Genva M, Fauconnier ML. Comparative Study of Fig Volatile Compounds Using Headspace Solid-Phase Microextraction-Gas Chromatography/Mass Spectrometry: Effects of Cultivars and Ripening Stages. FRONTIERS IN PLANT SCIENCE 2021; 12:667809. [PMID: 34276728 PMCID: PMC8283200 DOI: 10.3389/fpls.2021.667809] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Accepted: 06/07/2021] [Indexed: 06/01/2023]
Abstract
Aroma is one of the essential parameters that determine fruit quality. It is also an important feature of varietal characterization and so valuable for agro-biodiversity identification and preservation. In order to characterize changes in the aroma fingerprint through fig development, the main objective of the present research was to study the volatile organic compound (VOC) profiles of figs (Ficus carica L.) from three cultivars, Taamriwthe (TH), Azegzaw (AZ), and Averkane (AV), at three ripening stages (unripe, ripe, and fully ripe). Analyses was performed using Headspace Solid-phase Microextraction and gas chromatography coupled with mass spectrometry. Results revealed the presence of 29 compounds that were grouped into different chemical classes. Aldehydes comprised the most abundant VOCs identified in all the studied figs, while alcohols, ketones, and terpenes comprised the minor compounds found in TH, AZ, and AV figs, respectively. Different aroma descriptors were identified throughout the ripening stages of figs; fruity and green aromas were dominant in all cultivars, while a fatty aroma scarcely occurred in figs. A gallery plot representation demonstrated that certain VOCs differentiate the studied cultivars and the different ripening stages of figs. Principal component analysis findings demonstrated characteristic VOCs of distinct ripening stages and cultivars, those VOCs can be used as fingerprints to distinguish different cultivars and/or ripening stages.
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Affiliation(s)
- Kahina Zidi
- Laboratoire de Biochimie Appliquée, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Bejaia, Algeria
| | - Djamel Edine Kati
- Laboratoire de Biochimie Appliquée, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Bejaia, Algeria
| | - Mostapha Bachir-bey
- Laboratoire de Biochimie Appliquée, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Bejaia, Algeria
| | - Manon Genva
- Laboratory of Chemistry of Natural Molecules, Gembloux Agro-Bio Tech, University of Liège, Gembloux, Belgium
| | - Marie-Laure Fauconnier
- Laboratory of Chemistry of Natural Molecules, Gembloux Agro-Bio Tech, University of Liège, Gembloux, Belgium
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Chen X, Fedrizzi B, Kilmartin PA, Quek SY. Free and Glycosidic Volatiles in Tamarillo ( Solanum betaceum Cav. syn. Cyphomandra betacea Sendt.) Juices Prepared from Three Cultivars Grown in New Zealand. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:4518-4532. [PMID: 33843220 DOI: 10.1021/acs.jafc.1c00837] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
This study investigated the free and glycosidic-bound volatiles in the juice samples of three tamarillo cultivars (i.e. Amber, Mulligan, and Laird's Large) that are widely grown in New Zealand. Juice samples were prepared from fruits at different ripening stages (green, middle, and ripe). Headspace solid-phase microextraction combined with gas chromatography-mass spectrometry was applied to analyze the free volatiles in the samples. A total of 20 free volatiles were detected. Among the samples, the ripe Mulligan juice gave the highest contents of free terpenoids (424 μg/L) and esters (691 μg/L). The glycosidic-bound volatiles were prepared by solid-phase extraction. The matrix effect was evaluated based on the recovery rate of analytes containing multiple aglycone classes. From the results, phenyl β-d-glucopyranoside was selected to compensate the matrix effect caused by insufficient acquisition of glycosidic volatiles during analyte preparation. In all the ripe-fruit juice samples, the aglycones 4-hydroxy-2,5-dimethyl-3(2H)-furanone and trans-2, cis-6-nonadienal were found to give high odor activity values. According to multivariate statistical analysis, 11 free volatiles and 22 glycosidic volatiles could be potentially applied as volatile makers to distinguish the juice samples. This study has provided a comprehensive understanding of the flavor chemistry of tamarillo juices, with a focus on the potential role of glycosidic aglycones as aroma contributors to tamarillo products.
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Affiliation(s)
- Xiao Chen
- School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand
| | - Bruno Fedrizzi
- School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand
| | - Paul A Kilmartin
- School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand
| | - Siew Young Quek
- School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand
- Centre of Research Excellence in Food Research, Riddet Institute, Palmerston North 4474, New Zealand
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Chen X, Ting JLH, Peng Y, Tangjaidee P, Zhu Y, Li Q, Shan Y, Quek SY. Comparing Three Types of Mandarin Powders Prepared via Microfluidic-Jet Spray Drying: Physical Properties, Phenolic Retention and Volatile Profiling. Foods 2021; 10:foods10010123. [PMID: 33435574 PMCID: PMC7827879 DOI: 10.3390/foods10010123] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 12/23/2020] [Accepted: 01/03/2021] [Indexed: 12/03/2022] Open
Abstract
This study aimed to offer an alternative way for delivering the benefits of the mandarin fruit juice to consumers via spray drying microencapsulation. Two mandarin cultivars, Afourer (A) and Richard Special (RS), were studied. Three types of juice sample were prepared, i.e., the whole fruit juice (A3 & RS3), the flavedo-removed fruit juice (A2 & RS2), and the peel-removed fruit juice (A1 & RS1) samples. Gum Acacia and maltodextrin (ratio of 1:1, w/w) were chosen as wall matrices for aiding the drying of the juice samples while using a microfluidic-jet spray dryer. The properties of the fruit powder (colour, water activity, bulk/trapped density, solubility, hygroscopicity, morphology) and the retention of major phytochemicals (i.e., phenolic and volatile compounds) were examined. The results showed that the powders produced from the whole fruit juices (A3 and RS3) gave higher yellow colour with a regular winkled surface than other powders (A1 & RS1, and A2 & RS2). The water activity of mandarin powders was in a range of 0.14 to 0.25, and the solubility was around 74% with no significant difference among all of the powders. The whole fruit powders had a significantly higher concentration of phenolic compounds (A3, 1023 µg/100 mg vs. A2, 809 µg/100 mg vs. A1, 653 µg/100 mg) and aroma compounds (A3, 775,558 µg/L vs. A2, 125,617 µg/L vs. A1, 12,590 µg/L). This study contributed to the delivery of phenolic and flavour compounds of the mandarin fruits, at the same time minimising waste generation during processing. It also gave insight into the production of spray-dried powders from the whole mandarin fruits.
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Affiliation(s)
- Xiao Chen
- Food Science Programme, School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand; (X.C.); (J.L.H.T.); (Y.P.); (P.T.); (Y.Z.)
| | - Joanna Le Hoong Ting
- Food Science Programme, School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand; (X.C.); (J.L.H.T.); (Y.P.); (P.T.); (Y.Z.)
| | - Yaoyao Peng
- Food Science Programme, School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand; (X.C.); (J.L.H.T.); (Y.P.); (P.T.); (Y.Z.)
| | - Pipat Tangjaidee
- Food Science Programme, School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand; (X.C.); (J.L.H.T.); (Y.P.); (P.T.); (Y.Z.)
| | - Yongchao Zhu
- Food Science Programme, School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand; (X.C.); (J.L.H.T.); (Y.P.); (P.T.); (Y.Z.)
| | - Qili Li
- Hunan Agricultural Product Processing Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China;
- Hunan Province International Joint Lab on Fruits & Vegetables Processing, Quality and Safety, Changsha 410125, China
| | - Yang Shan
- Hunan Agricultural Product Processing Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China;
- Hunan Province International Joint Lab on Fruits & Vegetables Processing, Quality and Safety, Changsha 410125, China
- Correspondence: (Y.S.); (S.Y.Q.)
| | - Siew Young Quek
- Food Science Programme, School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand; (X.C.); (J.L.H.T.); (Y.P.); (P.T.); (Y.Z.)
- Hunan Province International Joint Lab on Fruits & Vegetables Processing, Quality and Safety, Changsha 410125, China
- Riddet Institute, Centre of Research Excellence in Food Research, Palmerston North 4474, New Zealand
- Correspondence: (Y.S.); (S.Y.Q.)
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