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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