发明授权
US4762825A Polysaccharide RON substance 失效
多糖RON物质

Polysaccharide RON substance
摘要:
A polysaccharide RON substance having the ultraviolet absorption spectrum depicted in FIG. 1, the infrared absorption spectrum depicted in FIG. 2 and the .sup.13 C-NMR spectrum depicted in FIG. 3 is obtained from rice bran by extraction and purification; and pharmacological composition containing said RON substance.
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