The content of protein in tea is 15-30%, most of which is water insoluble but alkali soluble.

茶叶中含有15%-30%的蛋白质，其中大部分不溶于水，易溶于碱。

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The insoluble tea-leaf dietary fiber is prepared from tea leaves serving as raw materials by drying, coarse grinding, acid treating, alkali treating, degreasing, decoloring, drying and crushing.

该方法以茶渣为原料，经过干燥、粗粉碎、酸处理、碱处理、脱脂、脱色、干燥后并粉碎，制得不溶性茶渣膳食纤维。

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This paper was on the preparation of alkali -insoluble glucan by the discarded brewer's yeast autolysed beforehand.

研究了用啤酒厂排弃的废酵母经自溶制备碱不溶性葡聚糖的工艺。

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