The bamboo lignin is rich in syringyl units, which is indicated by a high methoxyl content and respective bands in the IR spectrum.
从甲氧基含量高以及红外光谱中各吸收峰可知在竹材木素中富含丁香基。
The pectin in most plants is the high methoxyl pectin, so the low-methoxy pectin has to be prepared by reducing the degree of esterification.
自然界大多数植物中的果胶为高甲氧基果胶，需通过降低其酯化度制备低甲氧基果胶。
The results showed that to feed batch culture can enhance enzyme productivity by 7.0 % with high methoxyl pectin as substrate, and by 2 3.5 % with low methoxyl pectin as substrate.
结果表明：通过分批补料对酶产率有提高，以高酯果胶为底物酶产率提高7.0 % ，以低酯果胶为底物酶产率提高2 3.5 % ；
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