喝茶时口感滋味与化学成分对应关系

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茶叶中五大呈味物质
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* S+ y5 l( _5 K4 Y( a2 ?多酚类:涩味
咖啡碱:苦味
: V8 ?* K: b' R$ O5 O  j氨基酸:鲜爽味
# j/ x- e  ?# m6 u! n可溶性糖:甜味
9 W( A, @; n4 d有机酸︰酸味
Five flavor substances in tea polyphenols: astringent caffeine: bitter amino acid: refreshing flavor soluble sugar: sweet organic acid: sour taste