The hawthorn fruits have been used as food and medicine for centuries. In the present study, pulp and seed extract of Crataegus elbursensis Rech. F. fruits belonging to the family Rosaceae and native of northern part of Iran were evaluated for the polyphenol contents, antiradical, antioxidant, and antibacterial activities. The total phenolic, flavonoid, and anthocyanin contents of methanolic pu...

The aerial parts of Stachys laxa Boiss. and Buhse. from Siah-bishe in Mazandaran province, Stachys trinervis Aitch. and Hemsl. from Karaj in Alborz province, Stachys subaphylla Rech. F. and Stachys turcomanica Trautv. from Golestan province have been collected in May 2008. Total extracts were obtained through MeOH/H2O (80/20) and then partitioned between CHCl3, EtOAc and MeOH. These fractions a...

Global warming can lead to considerable impacts on natural plant communities, potentially inducing changes in plant physiology and the quantity and quality of floral rewards, especially nectar. Changes in nectar production can in turn strongly affect plant-pollinator interaction networks-pollinators may potentially benefit under moderate warming conditions, but suffer as resources reduce in ava...

This study was designed to examine the chemical composition and in-vitro antioxidant activity of the essential oil and methanolic extract of Teucrium orientale subsp. taylori. The GC and GC–MS analysis of the essential oil resulted in determination of 40 components representing 96.4% of the oil. The major constituents of the oil were linalool (28.6%), caryophyllene oxide (15.6%), 1,8-cineol (4....

Two flavones, ladanein and 6-hydroxy-5,7,4′-trimethoxyflavone and one labdane-typediterpene, ent-13-epi-manoyloxide, were isolated from an ethyl acetate-methanol extract ofthe aerial parts of Salvia sharifii. The compounds were purified using several chromatographicmethods. Structural elucidation of the compounds was performed using their 1H and 13C-NMRdata, EI mass and UV spectral data. The co...

1. Krajden S, Panisko DM, Tobe B, Yang J, Keystone JS. Prolonged infection with Plasmodium falciparum in a semiimmune patient. Trans R Soc Trop Med Hyg. 1991;85:731–2. DOI: 10.1016/00359203(91)90434-Z 2. D’Ortenzio E, Godineau N, Fontanet A, Houze S, Bouchaud O, Matheron S, et al. Prolonged Plasmodium falciparum infection in immigrants, Paris. Emerg Infect Dis. 2008;14:323–6. DOI: 10.3201/ eid1...