Table 2 Quantitative phytochemical contents of Olax subscorpioidea

Root

Powdered form

Alkaloids (0.61%), anthraquinones (0.1%), cardiac glycosides (0.24%), saponins (0.27%), tannins (0.03%) and polyphenols (0.14%)

[40]

Root

Aqueous and ethanol

Tannins (4.72% and 4.91%), terpenoids (0.285% and 3.32%), steroids (2.12% and 3.58%), alkaloids (2.10% and 3.58%), saponins (4.22% and 0.02%), phenols (3.57% and 6.70%), flavonoids (2.35% and 3.45%), and carotenoids (1.12% and 2.23%) respectively

[27]

Roots

Ethanol

Saponins (865.00 mg/100 g), alkaloids (963.33 mg/100 g), tannins (863.33 mg/100 g), flavonoids (636.67 mg/100 g), anthraquinones (46.67 mg/100 g), Proanthocyanidins (2.67 mg/g), and total polyphenol content (TPC) (38.77 GAE/g)

[14]

Leaves

Aqueous

TPC (30 mg GAE/g) and total flavonoids content (4.26 mg QAE/g)

[22]

Leaves

Aqueous and ethanol

TPC (12.78 and 35.49 GAE/g), total flavonoids (4.01 and 22.69 QAE/g), flavonols (1.35 and 9.78 QAE/g), and proanthocyanidines (1.44 and 1.99 QAE/g)

[41]

Methanol spice

phenols and triterpenes and a TPC (8.39 GAE/100 g of extract)

[42]