Rivea hypocrateriformis (Desr.) Choisy: An Overview of Its Ethnomedicinal Uses, Phytochemistry, and Biological Activities and Prospective Research Directions

Table 2

Quantitative phytochemical content in R. hypocrateriformis.

Plant part	Extract/fraction	Total phenolic content	Total flavonoid content	Extractive value (%)	References
Aerial	Polyphenolic	0.170 μg TAE/mg fraction	0.193 μg QAE/mg fraction	—	[40]
Leaves	Chloroform	1.1 g GAE/100 g	—	2.9
	Acetone	2.1 g GAE/100 g	—	5.9
	Methanolic	1.1 g GAE/100 g	—	8.6
Stem	Chloroform	0.9 g GAE/100 g	—	0.7	[39]
	Acetone	1.5 g GAE/100 g	—	1.87
	Methanolic	1.2 g GAE/100 g	—	7.43
Flower	Chloroform	1.6 g GAE/100 g	—	11.5
	Acetone	4.2 g GAE/100 g	—
	Methanolic	3.5 g GAE/100 g	—	12.5

TAE: tannic acid equivalent; QAE: quercetin equivalent; GAE: gallic acid equivalent.