Profile: Ajinomoto USA Inc manufactures and markets processed food, seasonings, fine chemicals, pharmaceuticals and animal nutrition. We manufacture feed-grade amino acids such as lysine, threonine & tryptophan for worldwide use as supplements in animal feed. Our product Capsiate Natura contains capsinoids. Capsinoids are a family of compounds that are analogues of capsaicin. CH-19 sweet peppers are rich in substances called capsinoids, which are similar in molecular structure to capsaicin, the substance that gives hot chili peppers their heat.