A colorless crystalline compound, C7H 6o 5, derived from tannin and used as a tanning agent, as an inkdye, and in photography and the manufacture of paper.
一种无色结晶酸,C7H 6o 5,从丹宁酸中提炼而得,用作鞣剂、墨水染剂及摄影和纸张制造。
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Methods Candidal intertrigo of 37 infants were examined by direct and Parker inkdye to observe the exist condition of malassezia in the lesion and non-lesion.