... product is refined from high-quality wood chips through scientif method. It is black, nontoxic and odorless, with porosity, large ... , maltose, glucose, malt syrup, ribose, lactose, xylose and starch sugar, etc. It can also applicable to deep ... purification, decoloration, purification and refinement in citric acid, cystine, monosium glutamate, saccharin, fluorescent ...