Table 1 Phytochemicals present in VN leaves

Iridoid glycosides

Agnuside

[22]

2-p-hydroxybenzoyl mussaenosidic acid

[23]

6′-p-hydroxy benzoyl mussaenosidic acid

Nishindaside

Negundoside

[24]

Flavonoids and flavonoid glycosides

Vitegnoside

7,8 dimethyl herbacetin 3-rhamnoside

5,7 dihydroxy-6,4′ dimethoxy flavanone

5,3′-dihydroxy—7,8,4′-trimethoxy flavanone

5-hydroxy-3,6,7,3′,4′-pentamethoxy flavone

5 hydroxy-7,4′ dimethoxy flavone

Vitexicarpin

[25]

Casticin

[26]

Chryso-spleno

Vitexin

Triterpenoid

Ursolic acid

[27]

Friedelin

[28]

Hydrocarbons

4,4-dimethoxy-trans-stilbene