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author:

Ma, Chun-Hua (Ma, Chun-Hua.) [1] | Tan, Connieal (Tan, Connieal.) [2] | Li, Wei-Lin (Li, Wei-Lin.) [3] | Chen, Liang-Bi (Chen, Liang-Bi.) [4] | Wang, Yi-Ru (Wang, Yi-Ru.) [5] | Chen, Xi (Chen, Xi.) [6]

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EI

Abstract:

Wuyi rock tea, a kind of semi-fermented Oolong tea, is produced around Wuyi Mountain. Due to its unique aroma and taste, namely the aroma of flowers and the earthy taste of rocks (hence its name as Wuyi rock tea), it has become very popular in China. Its characteristics are associated with the manufacturing processes. During which many compounds are produced. Nonvolatile compounds contribute to the taste, while volatile compounds contribute to the aroma. In this study, volatile compounds from two samples using different drying methods were extracted using headspace-solid phase microextraction (HSSPME) approach, and then analyzed, compared and identified with gas chromatography-mass spectrometry (GC-MS). Among the volatile compounds, trans-nerolidol, farnescene, hexyl hexanoate, indole and geraniol were identified, and found to have high content in both samples. The analytical results showed that freeze drying process is an alternative drying method, which is especially suitable for the production of highly scented Wuyi rock tea.

Keyword:

Drug products Extraction Gas chromatography Low temperature drying Mass spectrometry Odors Rocks Volatile organic compounds

Community:

  • [ 1 ] [Ma, Chun-Hua]Key Laboratory of Analysis and Detection Technology for Food Safety Ministry of Education, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou, 350105, China
  • [ 2 ] [Ma, Chun-Hua]Collage of Tea and Food Science, Wuyi University, Wuyishan 354300, China
  • [ 3 ] [Tan, Connieal]Department of Chemistry, College of Chemistry and Chemical Engineering, State Key Laboratory of Marine Environmental Science, Xiamen, 361005, China
  • [ 4 ] [Li, Wei-Lin]Collage of Tea and Food Science, Wuyi University, Wuyishan 354300, China
  • [ 5 ] [Chen, Liang-Bi]Collage of Tea and Food Science, Wuyi University, Wuyishan 354300, China
  • [ 6 ] [Wang, Yi-Ru]Department of Chemistry, College of Chemistry and Chemical Engineering, State Key Laboratory of Marine Environmental Science, Xiamen, 361005, China
  • [ 7 ] [Chen, Xi]Department of Chemistry, College of Chemistry and Chemical Engineering, State Key Laboratory of Marine Environmental Science, Xiamen, 361005, China

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Source :

Food Science and Technology Research

ISSN: 1344-6606

Year: 2013

Issue: 5

Volume: 19

Page: 805-811

0 . 3 5 5

JCR@2013

0 . 7 0 0

JCR@2023

JCR Journal Grade:4

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 20

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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