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2011•Journal of Anshan Normal UniversityRequires access

Determination of Polysaccharide in Dark Tea

Hui Rui-hua

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Abstract

The polysaccharide in dark tea was extracted by phenol-sulfuric acid method,and was determined by UV spectroscopy with glucose as standard.The result showed that the content of glucose had a good linear in the range of 2.8571～10.000 mg/mL;the precision and accuracy of the method was good.The method in this paper was simple and reliable to determine the content of polysaccharide in dark tea,and the content of polysaccharide in Gu Yunhai Pu'er tea of Yunnan Province was highest.

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What this paper is about

The polysaccharide in dark tea was extracted by phenol-sulfuric acid method,and was determined by UV spectroscopy with glucose as standard.The result showed that the content of glucose had a good linear in the range of 2.8571～10.000 mg/mL;the precision and accuracy of the method was good.The method in this paper was simple and reliable to determine the content of polysaccharide in dark tea,and the content of polysaccharide in Gu Yunhai Pu'er tea of Yunnan Province was highest.

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Available abstract

The polysaccharide in dark tea was extracted by phenol-sulfuric acid method,and was determined by UV spectroscopy with glucose as standard.The result showed that the content of glucose had a good linear in the range of 2.8571～10.000 mg/mL;the precision and accuracy of the method was good.The method in this paper was simple and reliable to determine the content of polysaccharide in dark tea,and the content of polysaccharide in Gu Yunhai Pu'er tea of Yunnan Province was highest.

Key concepts: Polysaccharide, Chemistry, Sulfuric acid, Chromatography, Food science, Biochemistry, Organic chemistry

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