1、
The pectic substances can be classed protopectins, pectins and pectin acids.
果胶物质分成原生质果胶, 果胶和果胶酸.
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2、
3、
The purification and assay methods for pectic enzymes are differed with various strains.
由于不同菌种产生的果胶酶成分复杂程度不同,分离纯化手段和分析方法也不相同.
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