... wood chips through scientif method. It is black, nontoxic and odorless, with porosity, large specific surface, strong adsorbility, ... , maltose, glucose, malt syrup, ribose, lactose, xylose and starch sugar, etc. It can also applicable to deep ... and refinement in citric acid, cystine, monosium glutamate, saccharin, fluorescent bleaching agent, glycerol, vegetable oil, soy sauce, perfume, beverage and ...