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author:

Su, Weiying (Su, Weiying.) [1] | Liu, Zhibin (Liu, Zhibin.) [2] (Scholars:刘志彬) | Huang, Simin (Huang, Simin.) [3] | Wang, Daoliang (Wang, Daoliang.) [4] | Feng, Xiaoxiao (Feng, Xiaoxiao.) [5] | Liu, Yuan (Liu, Yuan.) [6] | Ni, Li (Ni, Li.) [7] (Scholars:倪莉)

Indexed by:

EI Scopus SCIE

Abstract:

Smoked Lapsang Souchong tea (SLST) is a distinctive black tea known for its smokey, fruity, and pine flavor. This study analyzed the aroma dynamic changes during the whole manufacturing process of SLST utilizing E-nose, HSSPME-GC-MS, and HS-SPME-GC-O-MS. Fresh tea leaves primarily contain green and floral volatiles, such as (E)2-hexenal (OAV 33.41) and linalool (OAV 313.88). Withering and drying processes introduce pinewood smokederived phenolic and terpenoid compounds, such as guaiacols (OAV 77.05) and alpha-terpineol (OAV 1.08), crucial for the tea's smoky and woody aroma. The study further highlights glycoside hydrolysis and lipid oxidation pathways in generating key tea-derived volatiles during fermentation, contributing to the fruity and floral notes in SLST. Pinewood smoke was identified as a major source of smoky volatiles, with longifolene and alpha-terpineol being unique to pinewood. These findings elucidate the formation pathways of the key volatile compounds and the impact of traditional processing on SLST's aroma profile.

Keyword:

Aroma dynamics GC-O-MS Manufacturing process Pinewood Smoked Lapsang Souchong tea Volatile compounds

Community:

  • [ 1 ] [Su, Weiying]Fuzhou Univ, Coll Chem Engn, Fuzhou 350108, Fujian, Peoples R China
  • [ 2 ] [Wang, Daoliang]Fuzhou Univ, Coll Chem Engn, Fuzhou 350108, Fujian, Peoples R China
  • [ 3 ] [Ni, Li]Fuzhou Univ, Coll Chem Engn, Fuzhou 350108, Fujian, Peoples R China
  • [ 4 ] [Su, Weiying]Fuzhou Univ, Inst Food Sci & Technol, 2 Xueyuan Rd, Fuzhou 350108, Fujian, Peoples R China
  • [ 5 ] [Liu, Zhibin]Fuzhou Univ, Inst Food Sci & Technol, 2 Xueyuan Rd, Fuzhou 350108, Fujian, Peoples R China
  • [ 6 ] [Huang, Simin]Fuzhou Univ, Inst Food Sci & Technol, 2 Xueyuan Rd, Fuzhou 350108, Fujian, Peoples R China
  • [ 7 ] [Wang, Daoliang]Fuzhou Univ, Inst Food Sci & Technol, 2 Xueyuan Rd, Fuzhou 350108, Fujian, Peoples R China
  • [ 8 ] [Ni, Li]Fuzhou Univ, Inst Food Sci & Technol, 2 Xueyuan Rd, Fuzhou 350108, Fujian, Peoples R China
  • [ 9 ] [Feng, Xiaoxiao]Shanghai Jiao Tong Univ, Sch Agr & Biol, Dept Food Sci & Technol, Shanghai 200240, Peoples R China
  • [ 10 ] [Liu, Yuan]Shanghai Jiao Tong Univ, Sch Agr & Biol, Dept Food Sci & Technol, Shanghai 200240, Peoples R China

Reprint 's Address:

  • 刘志彬 倪莉

    [Liu, Zhibin]Fuzhou Univ, Inst Food Sci & Technol, 2 Xueyuan Rd, Fuzhou 350108, Fujian, Peoples R China;;[Ni, Li]Fuzhou Univ, Inst Food Sci & Technol, 2 Xueyuan Rd, Fuzhou 350108, Fujian, Peoples R China

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Source :

FOOD CHEMISTRY

ISSN: 0308-8146

Year: 2024

Volume: 463

8 . 5 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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