Acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) are the key enzymes in pathogenesis of Alzheimer's disease (AD), which is characterized by a deficit in central cholinergic transmission. In the current study, AChE and BChE inhibitory activities of seven coumarin derivatives [umbelliferone (1), 4-methylumbelliferone (2), 4-hydroxycoumarin (3), scopoletin (4), 8-methoxypsoralen (5), b...

BACKGROUND Nowadays Candida albicans has become resistant to the toxic and expensive commercial anti-Candida drugs. Therefore, investigation for new anti-fungal agents is necessary. OBJECTIVES The purpose of this survey was to investigate the in vitro anti-Candida activity of the hydroalcoholic extracts of Heracleum persicum fruit. MATERIALS AND METHODS The plant ingredients were extracted ...

53. WEBB, K. L. & J. W. A. BURLEY. 1962. Sorbitol translocation in apple. Science 137: 766. 54. WVEATHERLEY, P. E., A. J. PEEL, & G. P. HILL. 1959. The physiology of the sieve tube. Preliminary experiments using aphid mouth parts. J. Exptl. Botany 10: 1-16. 55. AXANG, T. T. 1961. A study of tranislocation of of photosynthate in sugar cane plants with C14 anid P;. Rept. Taiwan Sugar Exp. Sta. 23...

Hoverflies (Syrphidae) are a large Dipteran family, distributed almost worldwide. They play very important ecological roles such as plant pollination, nutrient recycling and predation of pests. The members the genus Epistrophe Walker, 1852 medium-sized hoverflies which about 75 species have been described in World, 12 them occur Europe. During survey, conducted from 16th June to 4th July 2021 a...