Evaluation of extraction protocols for anti-diabetic phytochemical substances from medicinal plants

Table 3 Comparison of some qualitative phytochemicals obtained with the three extraction methods for the two plants

S/N	Constituents	Maceration		Soxhlet		Microwave
		VA	OG	VA	OG	VA	OG
1	Carbohydrates	+	+	+	+	+	+
2	Anthraquinones	-	-	-	-	-	-
3	Glycosides	+	+	+	+	+	+
4	Cardiac glycosides	+	+	+	+	+	+
5	Saponins	+	+	+	+	+	+
6	Steroids	+	+	+	+	+	+
7	Triterpenes	+	+	+	+	+	+
8	Tannins	+	+	+	+	+	+
9	Flavonoids	+	+	+	+	+	+
10	Alkaloid	+	+	+	+	+	+

The symbol (+): Indicate detected; (-): Not detected; VA: Vernonia amygdalina; OG: Ocimum gratisimum.