What's the difference between meletin and quercitin?

Meletin

Definition:

Example Sentences:

Definition:

(n.) A yellow crystalline substance, occurring quite widely distributed in the vegetable kingdom, as is apple-tree bark, horse-chestnut leaves, etc., but originally obtained by the decomposition of quercitrin. Called also meletin.

Example Sentences:

(1) Cytosolic epoxide hydrolase activity was induced by chlorinated paraffins, di(2-ethylhexyl)phthalate and clofibrate and depressed by alpha-naphthylisothiocyanate, 3-methylcholanthrene, benzil and quercitin.
(2) Agents that inhibit protein kinase C (polymyxin B, gossypol and quercitin) also inhibited glucose transport that had been stimulated by DOG, TPA, PLC and insulin.
(3) Quercitin, a protein kinase C inhibitor in other systems, inhibited the thyroid enzyme in a dose-related manner.
(4) The antineoplastic capabilities of flavone acetic acid (FAA), dimethylaminoethyl-flavone-8-acetate (FAA ester) and quercitin (Q) as a function of pH, level of oxygenation and in conjunction with hyperthermia or SR-4233.
(5) Although chemical characterization studies of the antigen D3 fragment are still being carried out it appears that the major components fo this fragment are 1) a flavonoid pigment - quercitin, 2) a disaccharide moiety - cellobiose, and 3) the amino acid threonine linked together in an )O-glycosidic type linkage.
(6) It is, however, considerably inhibited by filipin and quercitin.
(7) Mouse lung CBR exhibited optimal activity at pH 5.0; a preference for NADPH as coenzyme, although reactive with NADH at an order of magnitude higher concentration; poor activity as an ADH, but was strongly inhibited by 4-methyl pyrazole; and was inhibited by quercitin, dithiothreitol and p-OH-mercuribenzoate, but was insensitive to valproate or sorbinil.