Abstract: Disclosed is a composition for preventing or treating eye diseases. The composition for preventing or treating eye diseases contains S-allyl-L-cysteine, a pharmaceutically acceptable salt thereof, or a solvate or a hydrate thereof as an active ingredient, and may inhibit photo-oxidation. The composition for preventing or treating eye diseases inhibits the accumulation of A2E in retinal pigment epithelial cells and the oxidation of A2E, thereby remarkably preventing or treating eye diseases including age-related macular degeneration or degenerative retinal disorder.

Abstract: The present invention relates to a composition for preventing or treating colitis. According to one embodiment of the present invention, the composition for preventing or treating colitis comprises S-allyl-L-cysteine, a pharmaceutically acceptable salt thereof, or a solvate or hydrate of the same as an active ingredient, and exhibits an anti-inflammatory action in colitis. The composition for preventing or treating colitis has outstanding effects in preventing and alleviating colitis due to the effect of the anti-inflammatory action and the effect of an antioxidant action of S-allyl-L-cysteine, while at the same time S-allyl-L-cysteine is not accompanied by side-effects, therefore, has a wide scope of use against colitis.

Abstract: A composition including S-allyl-L-cysteine as an active ingredient and having an anti-Helicobacter pylori activity or a gastric mucosa protective effect, a composition for preventing, relieving, or treating gastrointestinal disorders, and a method of using the compositions.

Abstract: A composition including S-allyl-L-cysteine as an active ingredient and having an anti-Helicobacter pylori activity or a gastric mucosa protective effect, a composition for preventing, relieving, or treating gastrointestinal disorders, and a method of using the compositions.