Page 150 - Applied Pharmacognosy

Types of Chemical markers

—estragole: 0.5 % to 5.0 %,
—a-terpineol : less than 1.2 %,
—cis-anethole: 0.1 % to 0.4 %,
—trans-anethole: 87 % to 94 %,
—anisaldehyde: 0.1 % to 1.4 %,
—pseudoisoeugenyl 2-methylbutyrate: 0.3 %to 2.0%

GC assay of stearic acid (B.P)

• Stearic acid is obtained from fats and oils of animal

and vegetable sources by the saponification of the
triglycerides.

stearic(C18H36O2)

Shea butter