Abstract：
:The present study is to explore the optimal extraction parameters and liver protective effect of the polygonatum polysaccharides in vivo. The order of factor effects on polysaccharides production was found to be extraction time (min, A)>ratio of solvent to solid (C)>extraction temperature (°C, B)>extraction number (D). The results show that the effects of extraction time (min, A) and ratio of solvent to solid (C) were more significant than those of the other factors. Optimal extraction parameters were as followings: extraction time 120 min, extraction temperature 100 °C, ratio of solvent to solid 5, and extraction number 4. Polygonatum polysaccharides was administered orally at doses of 150, 300 and 450 mg/(kg day) to carbon tetrachloride (CCl(4))-treated rats. Results showed that administration of polygonatum polysaccharides could increase rats' final body weight, liver antioxidant enzymes activities (superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GSH-Px) and glutathione reductase (GR)), decrease serum aspartate aminotransferase (AST), alanine aminotransferase (ALT) and alkaline phosphatase (ALP) activities and liver malondialdehyde (MDA) level. The liver sections obtained from animals supplemented with polygonatum polysaccharides extract demonstrated reduced pathological damages, supporting that polygonatum polysaccharides extract could effectively decrease the toxicity of CCl(4). It can be concluded that polygonatum polysaccharides treatment may prevent CCl(4)-induced liver oxidative injury in experimental rats.
journal_name
Int J Biol Macromoljournal_title
International journal of biological macromoleculesauthors
Jiang Q,Lv Y,Dai W,Miao X,Zhong Ddoi
10.1016/j.ijbiomac.2012.12.010subject
Has Abstractpub_date
2013-03-01 00:00:00pages
131-5eissn
0141-8130issn
1879-0003pii
S0141-8130(12)00483-7journal_volume
54pub_type
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