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The Extraction of Polysaccharide for Watkins Jujube

Xin Chao Yang, Chuang Ma, Zheng Bo Su, Yu Qin, Ru Ying Zang

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Abstract

The main material is watkins jujube, and the best conditions of the extract of polysaccharide is considered. The polysaccharide can be obtained from jujube juice by decolourizating, concentrating，alcohol- precipitating and drying. The best conditions of decolourizating are as follows: activity carbon content is 1.0%, temperature is 90°C, the decoloration of two times is 1.5 hours. The best conditions of alcohol-precipitating are using 95% ethanol whose volume fraction is 60%, precipitating by 1 hour, and being dried by freeze drying. The extraction yielding of polysaccharide is 1.2%.

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What this paper is about

The main material is watkins jujube, and the best conditions of the extract of polysaccharide is considered. The polysaccharide can be obtained from jujube juice by decolourizating, concentrating，alcohol- precipitating and drying. The best conditions of decolourizating are as follows: activity carbon content is 1.0%, temperature is 90°C, the decoloration of two times is 1.5 hours. The best conditions of alcohol-precipitating are using 95% ethanol whose volume fraction is 60%, precipitating by 1 hour, and being dried by freeze drying. The extraction yielding of polysaccharide is 1.2%.

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Available abstract

The main material is watkins jujube, and the best conditions of the extract of polysaccharide is considered. The polysaccharide can be obtained from jujube juice by decolourizating, concentrating，alcohol- precipitating and drying. The best conditions of decolourizating are as follows: activity carbon content is 1.0%, temperature is 90°C, the decoloration of two times is 1.5 hours. The best conditions of alcohol-precipitating are using 95% ethanol whose volume fraction is 60%, precipitating by 1 hour, and being dried by freeze drying. The extraction yielding of polysaccharide is 1.2%.

Key concepts: Polysaccharide, Alcohol, Extraction (chemistry), Ethanol, Chemistry, Chromatography, Fraction (chemistry), Volume fraction

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