The method of sulfomethylation modification of bayberry tannin extract was investigated.

研究了毛杨梅栲胶的磺甲基改性方法。

In this paper, the extraction depurate and physico-chemical characterization of red Pigment for myrica rubra S.et Z. were developed.

文报道了杨梅红色素的提取、纯及其理性质。