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Abstract:
采用乙醇沉淀法提取红茶菌粗多糖.结果表明,当乙醇终浓度为90%(V/V)时,粗多糖得率为6.1 g·L-1发酵液;并从检测波长、浓硫酸和苯酚用量、显色温度和时间等方面对苯酚-硫酸法进行优化,优化后的苯酚-硫酸法测定条件为苯酚用量1mL、浓硫酸用量4mL,60 ℃显色15 min,检测波长484 nm.该方法显色稳定,重现性好,平均加样回收率-R=85.70%,RSD=1.65%(n=5).
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福州大学学报(自然科学版)
ISSN: 1000-2243
CN: 35-1337/N
Year: 2009
Issue: 5
Volume: 37
Page: 760-764
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 2
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