Table 22 : Chemical consituents of some medicinal plants
S.No. Medicinal Plants Chemical constituents.
1. Asparagus 1. Dried, debarked tuberous roots yield a yellow white powder which is found to contain moisture, fat, protiens, saponins, carbohydrates, crude fibre inorganic matter and ash
2. Neem 1. Stem bark contains nimbin and nimbidin with b-sitosterol
  2. Root bark contains nimbin, nimbidin, sugiol and b-sitosterol
3. Wood oil contains b-sitosterol, cyclocucalenol.
4. Leaves contain nimbin, nimbinene, nimbandiol, nimbolide, quercetin, b-sitosterol, n-hexo cosanal, b-desacetylrimbinene
5. Fruits contain Gedunin, azadiradion, azadirone and nimbiol
6. Seed kernel contains salannin and azadirachtin.
3. Senna 1. Leaves contain wax, myricyl alchohal, flavonoids isorhamnetin, kaempferol, and anthroaquinonerhein and emodin.
2. Flowers contains chrysophanic acid
3. Fruits contain Oxymethyl anthraquinone
4. Catharanthus 1. Whole plant contains following alkaloides ajamalicine, vinceine, vincane, sitsirkine, lochnerine, perivine, catharanthine, vindoline, vinoisidine, cavincine, animocalline, pericalline, rovidine, catharanthamine, catharine etc.
5. Datura stramonium 1. All parts contain hyosine and hyoscyamine
6. Safed moosli 1. Saponin