abstract         background and objective: lavandula stoechas is a species of native and permanent plants in golestan province that belongs to the family lamiaceae. l. stoechas has been used in traditional medicine for treatment of various diseases. the aim of this study was to extract essential oil using steam distillation method from the flowers of l. stoechas collected from jahan-nama region...

Soil organic carbon (SOC) strongly contributes to the operation of global cycling, and topographical factors largely influence its spatial distribution. However, SOC distribution leading impact in subtropical forest ecosystems (e.g., Zhejiang Province China) have received relatively limited attention from researchers. In this study, 255 soil samples were collected quantify variation forests. Th...

background: the major cause of peptic ulcer disease is helicobacter pylori (hp), and it is also implicated in the pathogenesis of adenocarcinoma of the distal stomach and gastric lymphoma. the incidence of peptic ulcer disease, atrophic gastritis, and gastric adenocarcinoma are more common in people infected of caga positive strains of hp. the aim of this study was to determine the prevalence o...

Background: Tuberculosis (TB) is currently one of the greatest problems in public health. Mycobacterium tuberculosis infects about one third of the world's population, of whom more than 80% are living in developing countries. The incidence and prevalence of TB are very different in various parts of Iran and also throughout the world. Golestan province is one of the areas in the country where th...

Background: Cutaneous leishmaniasis (CL) is a main public health problem in Iran with a high incidence rate among children. According to numerous studies in Iranian society, the most commonly affected age group is 1–4 years. At present, we aimed to investigate the pediatric CL among children in Golestan Province in North of I...

Umbelliprenin is a prenylated compound, which belongs to the class of sesquiterpene coumarins. It is extracted from dried roots of Ferula szwitsiana collected from the mountains of Golestan forest (Golestan Province, north of Iran). Induction of apoptosis in Jurkat T-CLL cells has been previously shown. In this study, effect of umbelliprenin on proapoptotic caspases (caspase-8 and -9) and antia...

BACKGROUND Due to the high toxicity of aflatoxin and its effects on public health, determination of aflatoxin level in Wheat flour samples in the Golestan province, north of Iran was investigated. To examine the effect of seasonal changes, summer and winter sampling was performed with standard sampling methods. METHODS A total of 200 flour samples were collected from 25 factories. HPLC method...

Copyright © 2014, Kowsar Corp.; Published by Kowsar Corp. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. During my much needed vacation in northern Iran, at the first leg of the journey, we stayed at a hotel complex ...

this paper undertakes a preliminary evaluation of economic impact of aqua-agriculture reservoirs in golestan province with different size classes. the method of information gathering in this research has been in method census from 39 of aqua-agriculture reservoirs in 4 classes (25 ha.) that information necessary to complete questionnaire has prepared. results showed that fish fingerling proprat...