Species : H. procumbens
Chemical
Composition:
The concentrations of
hamamelitannin, gallic acid, (+)-gallocatechin and (+)-catechin
were 4.77, 0.59, 0.22 and 0.39% (w/w), respectively, in the bark.
Hamamelitannin and catechins were also detected in the leaves
at concentration less than 0.04% (w/w).
The active ingredient is harpagoside.
Iridoid
glycosides – harpagoside, harpagide, procumbide, procumboside
Flavonoids
– mainly kaempferol and luteolin
Phenolic
acids – chlorogenic and cinnamic acid
Quinone
– harpagoquinone
Phytosterols
– beta-sitosterol, stigmasterol
,Triterpenes,Oleanolic
and ursolic acid derivatives,
Unsaturated
fats,Amino acids ,Minerals – Ca, Cr, Fe, Mg, Mn, K, P, Se, Si,
Zn
,
Sugars
– stachyose, raffinose, and a tetrasaccharide consisting of
glucose, fructose, galactose and manninotriose Esters
Part
used :
Leaves, Flower
Reference:
Chemical Constitutents :