Effect of osmanthus hydrolat on the aroma quality and volatile components of osmanthus black tea
文献类型： 外文期刊
作者： Meng, Xin 1 ; Wang, Fang 1 ; Fu, Chao-Hong 3 ; Zeng, Lin 1 ; Chen, Zhen-Hua 4 ; Du, Qizhen 2 ; Feng, Zhi-Hui 1 ; Yin, Jun-Feng 1 ; Xu, Yong-Quan 1 ;
作者机构： 1.Chinese Acad Agr Sci, Minist Agr & Rural Affairs, Key Lab Biol Genet & Breeding Special Econ Anim &, Tea Res Inst, 9 South Meiling Rd, Hangzhou 310008, Peoples R China
2.Zhejiang A&F Univ, Coll Food & Hlth, Hangzhou 311300, Peoples R China
3.Panan Ecol Agr Dev Co LTD, Jinhua 322305, Peoples R China
4.Guangzhou Chali Grp Co LTD, Guangzhou 510315, Peoples R China
关键词： Osmanthus; Hydrolat; Volatile components; osmanthus black tea
期刊名称：FOOD CHEMISTRY-X （ 影响因子：6.5； 五年影响因子：6.4 ）
ISSN： 2590-1575
年卷期： 2024 年 23 卷
页码：
收录情况： SCI
摘要： Osmanthus fragrans is an evergreen shrub with a pleasant fragrance and a wide range of applications in many fields. The condensed hydrolat obtained during the drying process of its fresh flowers was collected in a lowtemperature vacuum environment and its sensory evaluation and volatile components were studied. The main aroma compounds in Osmanthus fragrans were dihydro-fi-ionone, nonanal, fi-cyclocitral, fi-ionone, benzaldehyde, a-ionone, and 6-methyl-5-hepten-2-one, whose contents were used as the main evaluation criteria, and the hydrolats obtained under different scenting and drying times were compared. This process can effectively collect the aroma components in Osmanthus fragrans and the optimal drying conditions were 50 degrees C for 5 h. The hydrolat was used to provide the scent of osmanthus black tea, which had a fresher and mellower taste, while the fragrance of osmanthus was abundant. These results show that osmanthus hydrolat can be used to provide the scent of floral black tea. Chemical compounds studied in this article: (-)-Catechin (PubChem CID: 1203); (-)-epigallocatechin gallate (PubChem CID: 65064); (-)-epicatechin gallate (PubChem CID: 367141); (-)-epigallocatechin (PubChem CID: 72277); (-)-epicatechin (PubChem CID: 72276); (-)-gallocatechin gallate (PubChem CID: 199472); (-)-catechin gallate (PubChem CID: 6419835); (-)-gallocatechin (PubChem CID: 9882981).
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