Table 1.

Qualitative phytochemical screening of different extracts from Vanda roxburghii

	PEF	CLF	EAF	AQF
Tannins	-	-	-	++
Flavonoids	+	+++	++	+
Phenolic compounds	+	+++	++	+
Alkaloids	-	-	-	+
Saponins	-	-	-	++
Phytosterols	++	+	-	-

Here, + = Present in mild amount, ++ = Present in moderate amount, +++ = Present in large amount, − = Absence

PEF petroleum ether fraction, CLF chloroform fraction, EAF ethylacetate fraction, AQF aqueous fraction