期刊
COMPREHENSIVE REVIEWS IN FOOD SCIENCE AND FOOD SAFETY
卷 21, 期 5, 页码 3867-3909出版社
WILEY
DOI: 10.1111/1541-4337.12999
关键词
analytical techniques; Camellia sinensis; flavor; sensory analysis
资金
- Young Elite Scientist Sponsorship Program by National CAST [2016QNRC001]
- Natural Science Foundation of China [32072633, 32072634, 32122079]
- High-Level introduced Talent Sponsorship Program by Anhui Agricultural University [rc352105]
Tea is a popular nonalcoholic beverage worldwide and understanding its flavor is essential for manufacturers and consumers. This article provides a comprehensive review on the aroma and off-flavor characteristics of tea, as well as instrumental flavor analytical techniques and descriptive sensory analytical methodologies, which are helpful for tea flavor researchers.
Tea is among the most consumed nonalcoholic beverages worldwide. Understanding tea flavor, in terms of both sensory aspects and chemical properties, is essential for manufacturers and consumers to maintain high quality of tea products and to correctly distinguish acceptable or unacceptable products. This article gives a comprehensive review on the aroma and off-flavor characteristics associated with 184 odorants. Although many efforts have been made toward the characterization of flavor compounds in different types of tea, modern flavor analytical techniques that affect the results of flavor analysis have not been compared and summarized systematically up to now. Thus, the overview mainly provides the instrumental flavor analytical techniques for both aroma and taste of tea (i.e., extraction and enrichment, qualitative, quantitative, and chemometric approaches) as well as descriptive sensory analytical methodologies for tea, which is helpful for tea flavor researchers. Flavor developments of tea evolved toward time-saving, portability, real-time monitoring, and visualization are also prospected to get a deeper insight into the influences of different processing techniques on the formation and changes of flavor compounds, especially desired flavor compounds and off-flavor substances present at (ultra)trace amounts in tea and tea products.
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