Enhancement of flavor components of oolong tea and dark tea based on graphene heating film

Reheating is crucial for improving tea quality, and graphene heating film provides a stable, uniform heating surface. This study used graphene heating film to heat oolong and dark tea at medium (M, 65 °C) and high (H, 75 °C) temperatures for 10, 20, and 30 min to assess the impact on flavor compound...

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Main Authors: Jiyuan Yao, Xinyuan Lin, Zihao Qiu, Xun Meng, Juan Chen, Ansheng Li, Xindong Tan, Shaoqun Liu, Peng Zheng, Binmei Sun, Hongqiang Kong
Format: Article
Language:English
Published: Elsevier 2025-04-01
Series:Food Chemistry: X
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2590157525002809
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author Jiyuan Yao
Xinyuan Lin
Zihao Qiu
Xun Meng
Juan Chen
Ansheng Li
Xindong Tan
Shaoqun Liu
Peng Zheng
Binmei Sun
Hongqiang Kong
author_facet Jiyuan Yao
Xinyuan Lin
Zihao Qiu
Xun Meng
Juan Chen
Ansheng Li
Xindong Tan
Shaoqun Liu
Peng Zheng
Binmei Sun
Hongqiang Kong
author_sort Jiyuan Yao
collection DOAJ
description Reheating is crucial for improving tea quality, and graphene heating film provides a stable, uniform heating surface. This study used graphene heating film to heat oolong and dark tea at medium (M, 65 °C) and high (H, 75 °C) temperatures for 10, 20, and 30 min to assess the impact on flavor compounds. The results showed that the optimal parameters are as follows: the content of ester catechins decreased, the content of non-ester catechins increased, and the concentrations of woody and fruity compounds (Cedrol, Limonene, trans-Isoeugenol, Indole) significantly increased at M10 or H10 in oolong tea. The ester catechin content decreased at H20, the non-ester catechin content increased at M20, and the concentration of Floral compounds (trans-β-ionone) increased at H30 in dark tea. This study explores the potential of graphene heating film in tea processing, offering a theoretical basis for new technology in tea flavor enhancement.
format Article
id doaj-art-2b0f3131e36b401db67ae2ad33e4b173
institution OA Journals
issn 2590-1575
language English
publishDate 2025-04-01
publisher Elsevier
record_format Article
series Food Chemistry: X
spelling doaj-art-2b0f3131e36b401db67ae2ad33e4b1732025-08-20T02:31:26ZengElsevierFood Chemistry: X2590-15752025-04-012710243310.1016/j.fochx.2025.102433Enhancement of flavor components of oolong tea and dark tea based on graphene heating filmJiyuan Yao0Xinyuan Lin1Zihao Qiu2Xun Meng3Juan Chen4Ansheng Li5Xindong Tan6Shaoqun Liu7Peng Zheng8Binmei Sun9Hongqiang Kong10College of Horticulture, South China Agricultural University, Guangzhou 510642, ChinaCollege of Horticulture, South China Agricultural University, Guangzhou 510642, ChinaCollege of Horticulture, South China Agricultural University, Guangzhou 510642, ChinaCollege of Horticulture, South China Agricultural University, Guangzhou 510642, ChinaCollege of Horticulture, South China Agricultural University, Guangzhou 510642, ChinaCollege of Horticulture, South China Agricultural University, Guangzhou 510642, ChinaCollege of Horticulture, South China Agricultural University, Guangzhou 510642, China; Corresponding author at: South China Agricultural University, No. 483, Wushan Road, Guangzhou, China.College of Horticulture, South China Agricultural University, Guangzhou 510642, ChinaCollege of Horticulture, South China Agricultural University, Guangzhou 510642, ChinaCollege of Horticulture, South China Agricultural University, Guangzhou 510642, ChinaShenzhen Xuegu Industrial Co., Ltd, Shenzhen 518000, ChinaReheating is crucial for improving tea quality, and graphene heating film provides a stable, uniform heating surface. This study used graphene heating film to heat oolong and dark tea at medium (M, 65 °C) and high (H, 75 °C) temperatures for 10, 20, and 30 min to assess the impact on flavor compounds. The results showed that the optimal parameters are as follows: the content of ester catechins decreased, the content of non-ester catechins increased, and the concentrations of woody and fruity compounds (Cedrol, Limonene, trans-Isoeugenol, Indole) significantly increased at M10 or H10 in oolong tea. The ester catechin content decreased at H20, the non-ester catechin content increased at M20, and the concentration of Floral compounds (trans-β-ionone) increased at H30 in dark tea. This study explores the potential of graphene heating film in tea processing, offering a theoretical basis for new technology in tea flavor enhancement.http://www.sciencedirect.com/science/article/pii/S2590157525002809Graphene heating filmTeaQualityVolatile componentGC–MS
spellingShingle Jiyuan Yao
Xinyuan Lin
Zihao Qiu
Xun Meng
Juan Chen
Ansheng Li
Xindong Tan
Shaoqun Liu
Peng Zheng
Binmei Sun
Hongqiang Kong
Enhancement of flavor components of oolong tea and dark tea based on graphene heating film
Food Chemistry: X
Graphene heating film
Tea
Quality
Volatile component
GC–MS
title Enhancement of flavor components of oolong tea and dark tea based on graphene heating film
title_full Enhancement of flavor components of oolong tea and dark tea based on graphene heating film
title_fullStr Enhancement of flavor components of oolong tea and dark tea based on graphene heating film
title_full_unstemmed Enhancement of flavor components of oolong tea and dark tea based on graphene heating film
title_short Enhancement of flavor components of oolong tea and dark tea based on graphene heating film
title_sort enhancement of flavor components of oolong tea and dark tea based on graphene heating film
topic Graphene heating film
Tea
Quality
Volatile component
GC–MS
url http://www.sciencedirect.com/science/article/pii/S2590157525002809
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