Antioxidants

Carminic acid
Catalog No: CFN94408

Carminic acid, the well-known red dyestuff from cochineal insects (Dactylopius spp.), is a potent feeding deterrent to ants. Carminic acid is an antioxidant to protect erythrocytes and DNA against radical‐induced oxidation, it also has antitumor activity.

Kojic acid
Catalog No: CFN94478

Kojic acid has been used as a food additive for preventing enzymatic browning of crustaceans and as a cosmetic agent for skin whitening. Kojic acid exhibits concentration-dependent scavenging activity on DPPH possessing strong antioxidant activity, it can reduce the mortality induced by gamma irradiation; it exhibits a competitive inhibition for the oxidation of chlorogenic acid and catechol by potato polyphenol oxidase (PPO) and of 4-methylcatechol and chlorogenic acid by apple PPO; it also has significant tyrosinase inhibitory activity.

Quercetin-3-O-glucose-6''-acetate
Catalog No: CFN94466

Quercetin-3-O-glucose-6''-acetate is a NADPH oxidase inhibitor, it has antioxidant capacity.

Mearnsetin
Catalog No: CFN96262

Mearnsetin and myricetin have antioxidant activity.

Puerol A
Catalog No: CFN96269

Puerol A exhibits potent inhibitory effects on aldose reductase with IC50 values of 6.4 uM. dl-Puerol A has antioxdiant activity, it shows inhibitory effects on copper ion-induced protein oxidative modification of mouse brain homogenate in vitro.