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Citation: Li Xiang, Zhang Lina. Degradation of Acidic Heteropolysaccharide of Auricularia Auricula-Judae by Ultrasonic Irradiation[J]. Chinese Journal of Applied Chemistry, ;1996, 13(1): 98-100. shu

Degradation of Acidic Heteropolysaccharide of Auricularia Auricula-Judae by Ultrasonic Irradiation

Li Xiang ,
Zhang Lina

1.
Department of Chemistry, Wuhan University, Wuhan 430072

Received Date: 24 May 1995
Available Online: 25 September 1995
Fund Project:

An acidic heteropolysaccharide,which is composed of xylose,mannose,galactose and glucose/glucuronic acid(mass ratio such as 0.1:1.1:1.0:1.2) and has molecular weight of 51.0×10⁴,was isolated from the fruiting body of Auricularia Auricula-judae.The results determined by calorimetric method with carbazole, viscometry and GPC showed that the molecular weights and polydispersity indexes of the samples treated by ultrasonic irradiation decreased with the increase of irradiation time,and the glucuronic acid content did not show significant change.
- auricularia auricula-judae polysaccharide,
- ultrasonic irradiation,
- intrinsic viscosity,
- glucuronic acid content,
- gel permeation chromatography
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