Rutin is extracted from dried buds of Sophorae Japonica. Pure rutin is yellow or yellow-green colored needle-shaped crystal. Rutin is a flavonol glycoside comprised of the quercetin and the disaccharide rutinose. Rutin is a powerful antioxidant. It helps the body utilize vitamin C, supports blood vessel integrity, and promotes a healthy inflammation response. It is also used in food industry as a pigment.
TEST EP8 RESULTS Test Method
Appearance Light greenish yellow powder Complies Visual
Identification B.IR absorbance Matching IR
A.UV absorbance Matching UV
C.TLC Examination Matching TLC
D.Color reaction with Zn Matching Visual
Particle size 95% pass through sieve 80mesh Complies US Screen
Residual solvents ≤2.0% 0.06% HPGC
Light absorbing impurities Abs≤0.10 between 450-480nm 0.05 UV
Susbtance insoluble in methanol≤3.0% 0.80% CP2010
Impurity
A.Isoquercetin ≤2.0% 0.41% HPLC
B.Kaempferol3-Rutinoside ≤2.0% 1.45% HPLC
C.Quercetin ≤2.0% 0.04% HPLC
Total Impurity ≤4.0% 3.31% HPLC
Bulk density ≥0.30gm/cc 0.37gm/cc CP2010
Tapped density ≥0.50gm/cc 0.56gm/cc CP2010
Residual Solvents Methanol ≤0.3%
