Sigmaaldrich offers a number of ellagic acid products. Structure of a ellagic acid, b ascorbic and c dehydroascorbic acids. Microbial production of ellagic acid and biodegradation of. The crystal and molecular structure of ellagic acid dihydrate has been determined by xray diffraction techniques. Shanghai institute of materia medica, shanghai institutes for biological sciences, chinese academy of science, 555 zuchongzhi road, zhangjiang hi. Thermosensitive hydrogels for modified release of ellagic. It is found in many fruits and vegetables, including raspberries, strawberries, cranberries, and pomegranates.
Ellagitannins belong to the class of hydrolysable tannins, they are esters of hexahydroxydiphenoic. Wellexplored tannin ellagic acid interfered with qs of c. Ellagic acid proved to have more than one mechanism of action, probably as a scavenger of oxygen species produced by h2o2 treatment, and as a protector of the dna double helix from alkylating. Chemical structure and some physicochemical characteristics of ellagic acid ea. Some foods contain a more complex version called ellagitannin. This is an acid that is converted into ellagic acid in. The accumulation and transport of ellagic acid have been studied in rats and in cultured human cells. Ellagic acid containing nanostructured lipid carriers for. Learn more about ellagic acid uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain ellagic acid. Pdf structure, occurrence and biological activity of. Chitosanalginate ellagic acid microspheres were prepared and identified by scanning electron microscopy sem and infrared spectroscopy ir.
Ellagic acid is a naturally occurring polyphenol, which is found widely distributed. Showing all foods in which the polyphenol ellagic acid is found food composition. Its been marketed as a cure for cancer, for example, and appears to have powerful antioxidant benefits. Ellagic acid 4oxylopyranoside c19h14o12 cid 5487461 structure, chemical names, physical and chemical properties, classification, patents, literature. Pomegranate husk powder mesh size 5060, advait herbal extracts, tumkur, india was used in the extraction of ellagic acid based on a reported procedure by jingjing lu et al. Ellagic acid is a natural phenol antioxidant found in numerous fruits and vegetables. The present paper deals with the structure, occurrence and biological activity of ellagitannins. Ellagic acid is an organic heterotetracyclic compound resulting from the formal dimerisation of gallic acid by oxidative aromatic coupling with intramolecular lactonisation of both carboxylic acid groups of the resulting biaryl. Ellagic acid is a polyphenol, or micronutrient, found in fruits and vegetables. Showing all foods in which the polyphenol ellagic acid is. Preparation of chitosanalginateellagic acid sustained. However, these molecular weight values change when they are polymerized to form condensed or hydro lysable tannins reaching values close. Ellagic acid derivatives from the stem bark of dipentodon. Ellagic acid is a plant chemical rumored to offer a number of powerful health benefits.