Peanut procyanidin A is a type of A-type procyanidin that can be extracted from peanut skins. Peanut procyanidin A can protect prostate DU145 cells from H2O2-induced oxidative stress damage through the MAPKs signaling pathway, alleviate cell cycle arrest, and reduce cell apoptosis. Peanut procyanidin A can also regulate gut microbiota and metabolism in mice with DSS -induced ulcerative colitis.

5-TAMRA can produce bright, pH insensitive orange fluorescence (Ex/ Em= 546 / 579nm), and has good photostability

Gallocatechin possesses free radical scavenging ability. Gallocatechin has moderate affinity to the human cannabinoid receptor.