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, locally known as papait is sold as a vegetable in the Philippines. It is reputed to exhibit anti-diabetes and anti-microbial properties. A number of studies has been conducted on the biological activities of crude extracts of G. oppositifolius. The 1,1-diphenyl-2-picrylhydrazyl radical scavenging assay of the methanol extract of G. oppositifolius exhibited an IC50 > 1000 ��g/ml (ascorbic acid, IC50 = 14.45 ��g/ml), while in nitric oxide scavenging assay it gave an IC50 = 269 ��g/ml (quercetin IC50 = 15.24 ��g/ml).[1] A significant effect (P find protocol was found to exhibit antioxidant activity which can be used for the treatment of oxidative stress related diseases.[2] Two pectin type polysaccharides, GOA1 and GOA2 from the aerial parts of G. oppositifolius were shown to exhibit potent dose-dependent complement fixating activities, and induced chemotaxis of macrophages, T cells and NK cells.[3] GOA1 was also reported to induce proliferation of B cells and the secretion of interleukin-1 �� by macrophages, in addition to a marked increase of mRNA for interferon-�� in NK cells.[4] Two new triterpenoid saponins, glinosides A and B were isolated from the aerial parts of G. Montelukast Sodium oppositifolius. Fractions of the extract exhibited better antiplasmodial activity than pure glinoside A.[5] Evaluation of ��-glucosidase inhibitory activity of the aerial parts of G. oppositifolius led to the isolation of a new triterpene saponin, 16-O-(��-D-glucopyranosyl)-3 ��,12 ��,16 ��,21��,22-pentahydroxyhopane and five known saponins, 3-O-(��-D-xylopyranosyl)-spergulagenin A, spergulacin, spergulin A, spergulacin A, and spergulin B. The new saponin exhibited the greatest inhibition of the enzyme with IC50 of 127 �� 30 ��M. Kinetics study of this compound demonstrated mixed type of inhibition EPZ-6438 solubility dmso (Ki = 157.9 ��M).[6] Moreover, treatment with ethanolic extract of aerial part of G. oppositifolius (200 mg/kg and 400 mg/kg) has reversed back the altered levels of biochemical markers in paracetamol induced hepatitis in rats to the near normal levels in a dose-dependent manner.[7] Another study reported that the methanolic extracts of G. oppositifolius possess central and peripheral analgesic and anti-inflammatory activity.[8] Furthermore, the alcoholic extract exhibited significant antimicrobial properties and anthelmintic activity against adult Indian earthworms, Pheretima posithuma.[9] The methanolic extract was also reported to significantly elicit a potent anticancer activity intraperitoneally at a dose of 2 mg/kg BW.[10] The whole plant of G. oppositifolius (L.) Aug.