从拟康氏木霉中提取壳聚糖的初步研究

本实验以拟康氏木霉菌丝为原料,采用碱法提取壳聚糖,通过正交实验分析碱浓度和反应时间对壳聚糖产率、脱乙酰度和分子量的影响。结果表明：随着碱浓度的增加和反应时间的延长,产率在一定范围呈先上升后下降的趋势,而壳聚糖的脱乙酰度均增加;碱浓度一定时,壳聚糖的分子量随着反应时间的延长呈先上升后下降的趋势。壳聚糖产率占菌丝体干重达14.4%,纯度为90.2%,脱乙酰度达95.2%。...

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Published in:Tian ran chan wu yan jiu yu kai fa 2009, Vol.21 (3), p.502-505
Main Author: 何圣红 秦国正 陈靠山
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Language:Chinese
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壳聚糖
拟康氏木霉
提取
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creator 何圣红 秦国正 陈靠山
description 本实验以拟康氏木霉菌丝为原料,采用碱法提取壳聚糖,通过正交实验分析碱浓度和反应时间对壳聚糖产率、脱乙酰度和分子量的影响。结果表明：随着碱浓度的增加和反应时间的延长,产率在一定范围呈先上升后下降的趋势,而壳聚糖的脱乙酰度均增加;碱浓度一定时,壳聚糖的分子量随着反应时间的延长呈先上升后下降的趋势。壳聚糖产率占菌丝体干重达14.4%,纯度为90.2%,脱乙酰度达95.2%。
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subjects 壳聚糖
拟康氏木霉
提取
title 从拟康氏木霉中提取壳聚糖的初步研究
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