Preparation of Sheepskin Unhairing Extracts from Locally Available Plants: Cleaner Leather Processing

Table 9

Types of Phytochemicals found in extracts of S. incanum fruits, C. foetidissima fruits, and P. dodecandra leaves.

Phytochemicals
No	Compound	Detection method	S.incanum	C.foetidissima	P.dodecandra
1	Flavonoids	Alkaline reagent test	++	—	—
2	Saponins	Froth test	++	++	++
3	Phenols	Ferric chloride test	++	++	++
4	Alkaloids	Mayer’s and Wagner’s test	++	++	—
5	Tannins	Ferric chloride test	++	++	++
6	Steroids	Chromatographic test methods	++	++	++

Key: (−): Not detected, (+): Weak positive test and (++): Strong positive test.