Enzymes Inhibition and Antidiabetic Effect of Isolated Constituents from Dillenia indica

Table 1

Phytoconstituents isolated by column chromatography.

Sr. number	Compounds	m. p. (°C)	TLC solvent system	𝑅𝑓 value
1	Betulinic acid	297–300	Chloroform : methanol : formic acid (98 : 2 : 2)	0.35
2	n-Heptacosan-7-one	88–90	CHCl3 : MeOH (95 : 5)	0.53
3	n-Nonatriacontan-18-one	89–92	CHCl3 : MeOH (95 : 5)	0.42
4	Quercetin	310–313	CHCl3 : MeOH (95 : 5)	0.44
5	𝛽-Sitosterol	137–139	CHCl3 : MeOH (90 : 10)	0.55
6	Stigmasterol	164–167	CHCl3 : CH3OH (90 : 10)	0.45
7	Stigmasteryl palmitate	94–97	Chloroform : methanol (95 : 5)	0.64

m.p.: melting point, 𝑅_𝑓: retention factor.