Alpha-Glucosidase Inhibitor Activity of Momordica Charantia L After Inoculated by Endophytic Bacteria

2017 ◽  
Vol 23 (7) ◽  
pp. 6490-6492
Author(s):  
Sri Pujiyanto ◽  
Sunarno ◽  
Rejeki Siti Ferniah
2016 ◽  
Vol 17 (2) ◽  
pp. 123
Author(s):  
Sri Pujiyanto ◽  
Rejeki Siti Ferniah ◽  
Sunarno S

Alpha-glucosidase inhibitors are compounds that can prevent the digestion of complex carbohydrates into glucose, so potentially used as a diabetes drug. This study aims to examine the production and extraction of alpha-glucosidase inhibitor compound from Isolate Aktinomiset JP-3 from the sea. The supernatant obtained from the culture of the JP-3 isolate was extracted using various solvents to obtain the active compound. The solvents used were chloroform, methanol, and ethyl acetate. An assay of inhibitor activity of the α-glucosidase using p-nitrophenyl α-D-glucopyranoside substrate. The activity of the enzyme is measured based on the absorbance of p-nitrophenol produced from the breaking reaction of the substrate. The results showed that extraction of alpha-glucosidase inhibitor compound with ethyl acetate yielded extract with highest inhibitor activity. Keywords: alpha-glucosidase inhibitors, actinomycetes, diabetes, extraction, fractionation


Kothala himbutu (Salacia reticulate; SR) is a very useful medicinal plant in Sri Lanka and the southern region of India. SR contains salacinol and kotalanol neosalacinol and neokotalanol which can isolated from the Salacia species by using iron pair chromatography [1& 2]. It is a woody climber and widely used in Ayurvedic medicine for diabetes and obesity treatment. Previously, the action of SR for diabetes is not described properly. Researchers tried to explore the effect of SR and found that it has an alpha glucosidase inhibitor activity in invitro study. Moreover, SR may increase lipolysis and reduce insulin resistance by enhancing mRNA expression for hormone sensitive lipase (HSL) and adiponectin [3].


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Hiroyuki Kobayashi ◽  
Shinji Yasuda ◽  
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Takahiko Yamaki ◽  
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2018 ◽  
Vol 1025 ◽  
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Author(s):  
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Merysa Resdiani ◽  
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Rejeki Siti Ferniah

1998 ◽  
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pp. 1201-1206 ◽  
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MASASHI YONEDA ◽  
KIMIHIDE NAKAMURA ◽  
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HIROYUKI HARADA ◽  
...  

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