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author:

An, T. (An, T..) [1] | Shen, S. (Shen, S..) [2] | Zu, Z. (Zu, Z..) [3] | Chen, M. (Chen, M..) [4] | Wen, Y. (Wen, Y..) [5] | Chen, X. (Chen, X..) [6] | Chen, Q. (Chen, Q..) [7] | Wang, Y. (Wang, Y..) [8] | Wang, S. (Wang, S..) [9] | Gao, X. (Gao, X..) [10]

Indexed by:

Scopus

Abstract:

Instant dark tea (IDT) was prepared by liquid-state fermentation inoculating Eurotium cristatum. The changes in the volatile compounds and characteristic aroma of IDT during fermentation were analyzed using gas chromatography-mass spectrometry by collecting fermented samples after 0, 1, 3, 5, 7, and 9 days of fermentation. Components with high odor activity (log2FD ≥ 5) were verified by gas chromatography–olfactometry. A total of 107 compounds showed dynamic changes during fermentation over 9 days, including 17 alcohols, 7 acids, 10 ketones, 11 esters, 8 aldehydes, 37 hydrocarbons, 4 phenols, and 13 other compounds. The variety of flavor compounds increased gradually with time within the early stage and achieved a maximum of 79 compounds on day 7 of fermentation. β-Damascenone showed the highest odor activity (log2FD = 9) in the day 7 sample, followed by linalool and geraniol. These results indicate that fungal fermentation is critical to the formation of these aromas of IDT. © 2023 Elsevier Ltd

Keyword:

Fungal fermentation Gas chromatography–olfactometry Instant dark tea Odor-active compounds Volatile compounds

Community:

  • [ 1 ] [An, T.]State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Tea Biology and Tea Processing of Ministry of Agriculture and Rural Affairs, International Joint Research Laboratory of Tea Chemistry and Health Effects of Ministry of Education, Anhui Provincial Laboratory, Anhui Agricultural University, Hefei, 230036, China
  • [ 2 ] [Shen, S.]State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Tea Biology and Tea Processing of Ministry of Agriculture and Rural Affairs, International Joint Research Laboratory of Tea Chemistry and Health Effects of Ministry of Education, Anhui Provincial Laboratory, Anhui Agricultural University, Hefei, 230036, China
  • [ 3 ] [Zu, Z.]State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Tea Biology and Tea Processing of Ministry of Agriculture and Rural Affairs, International Joint Research Laboratory of Tea Chemistry and Health Effects of Ministry of Education, Anhui Provincial Laboratory, Anhui Agricultural University, Hefei, 230036, China
  • [ 4 ] [Chen, M.]State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Tea Biology and Tea Processing of Ministry of Agriculture and Rural Affairs, International Joint Research Laboratory of Tea Chemistry and Health Effects of Ministry of Education, Anhui Provincial Laboratory, Anhui Agricultural University, Hefei, 230036, China
  • [ 5 ] [Wen, Y.]State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Tea Biology and Tea Processing of Ministry of Agriculture and Rural Affairs, International Joint Research Laboratory of Tea Chemistry and Health Effects of Ministry of Education, Anhui Provincial Laboratory, Anhui Agricultural University, Hefei, 230036, China
  • [ 6 ] [Chen, X.]College of Biological Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 7 ] [Chen, Q.]State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Tea Biology and Tea Processing of Ministry of Agriculture and Rural Affairs, International Joint Research Laboratory of Tea Chemistry and Health Effects of Ministry of Education, Anhui Provincial Laboratory, Anhui Agricultural University, Hefei, 230036, China
  • [ 8 ] [Wang, Y.]State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Tea Biology and Tea Processing of Ministry of Agriculture and Rural Affairs, International Joint Research Laboratory of Tea Chemistry and Health Effects of Ministry of Education, Anhui Provincial Laboratory, Anhui Agricultural University, Hefei, 230036, China
  • [ 9 ] [Wang, S.]College of Biological Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 10 ] [Gao, X.]State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Tea Biology and Tea Processing of Ministry of Agriculture and Rural Affairs, International Joint Research Laboratory of Tea Chemistry and Health Effects of Ministry of Education, Anhui Provincial Laboratory, Anhui Agricultural University, Hefei, 230036, China

Reprint 's Address:

  • [Gao, X.]State Key Laboratory of Tea Plant Biology and Utilization, China

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Source :

Food Chemistry

ISSN: 0308-8146

Year: 2023

Volume: 410

8 . 5

JCR@2023

8 . 5 0 0

JCR@2023

ESI HC Threshold:24

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 13

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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