Two bischromones, 3,3--dimethoxy-2--oxychromone (1), 3,3--dihydroxy-2,2--oxychromone (2) and a biflavone, 5,7,4-,5 -,3-,4--hexahydroxy-3 --O-beta-glucosyl-3-,7 --O-biflavone (3) have been isolated from whole plant of ...

Biogenic amines (BAs) are biologically active molecules which have aliphatic (putrescine, cadaverine, spermine, spermidine), aromatic (tyramine, phenylethylamine) or heterocyclic (histamine, tryptamine) structures. They ...

The present work reports the total aflatoxin and aflatoxin B1 levels in 62 food samples from Istanbul, Turkey. The total aflatoxin content in dried American cucumber, squash, tomato, okra and saffron samples was found to ...

The acetone extract of the aerial parts of Sideritis caesarea Duman, Aytac & Baser (Lamiaceae) afforded the flavonoids penduletin (1) and apigenin (2) and 6 glycosylated flavonoids, 4--O-methyl-isoscutellarein-7-O-[6 ...

Trifolium nigrescens was researched for its chemical constituents for the first time. Bioassay-guided isolation of the EtOAc extract from the leaves of T. nigrescens resulted in the purification of a new biflavone, 4-,5,5 ...

A sensitive and selective HPLC method with fluorometric detection was developed for the determination of memantine in human plasma and applied to a pharmacokinetic study. Memantine was precolumn derivatized with 9-fluorenylmethyl ...