EFEK HIPOGLIKEMIK POLISAKARIDA LARUT AIR GEMBILI (Dioscorea esculenta) YANG DIEKSTRAK DENGAN BERBAGAI METODE [Hypoglycaemic Effect of Water Soluble Polysaccharides Extracted from Gembili (Dioscorea esculenta) by Various Methods]

. Harijono, Teti Estiasih, Wenny Bekti Sunarharum, I Komang Suwita

Abstract


The hypoglycaemic effect of water soluble polysaccharide (WSP) extracted from gembili tuber was studied in this experiment. Extracts from three different methods, an aqueous (water-WSP), papain assisted (papain-WSP), and tempeh inoculum assisted (tempeh-WSP) extractions, were compared. The effects were evaluated by means in vivo test on hyperglycaemic-induced rats by performing the so called blood glucose response, followed by in situ glucose absorption test and short chain fatty acids (SCFA) analysis. A nested experimental design was employed in the experiment. All the three extracts reduced the blood glucose level. The effect of tempeh-WSP extract was comparable to that of the papain-WSP extract, but was not signicantly different from the water-WSP. However, the water-WSP extract tended to have a weaker effect than that of the other extracts. Similar result was found on the SCFA level. The highest SCFA level was found on the rats treated with tempeh-WSP extracts. It was likely that the hypoglycaemic effect of the tempeh-WSP extract was the best.


Keywords


gembili (Dioscorea esculenta); hypoglycaemic; water soluble polysaccharides

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pISSN :   1979-7788

eISSN :   2087-751X


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