Literature DB >> 8541639

Protein glycation inhibitors from thyme (Thymus vulgaris).

Y Morimitsu1, K Yoshida, S Esaki, A Hirota.   

Abstract

Nonenzymatic glycation of bovine serum albumin (BSA) was inhibited in vitro by some extracts of 34 kinds of spices. The methanol extract of thyme (Thymus vulgaris) had the most potent inhibitory activity among them. Chromatographic purification yielded four flavonoids, quercetin (1), eriodictyol (2), 5,6,4'-trihydroxy-7,8,3'-trimethoxyflavone (3), and cirsilineol (4). These known flavonoids suppressed the levels of advanced glycation end products (AGEs) and fructosamines, shown by the measurement of specific fluorescent groups and the reduction of nitroblue tetrazolium (NBT), respectively. The inhibitory activities were compared with those of other structure-related flavonoids and aminoguanidine.

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Year:  1995        PMID: 8541639     DOI: 10.1271/bbb.59.2018

Source DB:  PubMed          Journal:  Biosci Biotechnol Biochem        ISSN: 0916-8451            Impact factor:   2.043


  11 in total

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