Compounds

Pilliostigma decoction before oil extraction

Pilliostigma decoction after oil extraction

Oilcake

Tannins

+

++

+

Polyphenols

+

++

ND

Steroids

+

++

ND

Saponins

+

+

+

Flavonoids

+

++

+

Terpenes

+

++

+