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Journal of Research in Medical Sciences، جلد ۷، شماره ۴، صفحات ۰-۰
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عنوان انگلیسی GROWTH RATE AND IDENTIFICATION OF YEASTS IN THREE DIFFERENT MEDIA: FLOUR, SPROUT OF CEREALS AND COMMERCIAL MEDIA
چکیده انگلیسی مقاله Introduction. The yeasts are a large group of fungi. In addition to their different uses in food industries and pharmacology they can also cause human and animal infections under predisposing factors. For investigating the yeast"s growth phases and diagnosis of the species, they should culture in media from natural sources like the seeds on the commercial media. According to yeast"s nutritinal requierments and considering the various nutritional materials of seeds like wheat, rice, barney and better use of these seed"s compounds during sprouting, this research was done with the aim of measurment of growth rate and yeasts characterization in such media. Methods. For making seeds media, a fixed quantity of seed"s flour or sprout"s flour was added to a certain amount of agar in acidotic condition (pH=5.8). The germination of seeds was done by Hus method and for colony counting Mc, Farland tubes were used and microscopic and macroscopic characteristics were investigated and compared in both synthetic and seed media Results. The results showed that the rate of yeasts growth in all germinated seeds was more than the seeds themeselves. Statistical analysis showed no significal difference between the growth rate of yeasts in both wheat and barney sprout compared to the commercial media. In the microscopic studies, the species of Candida albicans in wheat flour has produced more chlamydoconidia than the synthetic medium of corn meal agar. Also production of the capsule in C.neoformans in the seed"s media has been better than the synthetic media. Discussion. According to the promising results obtained from the present study regard to the growth rate and differentiation of the fungal species in such media, standardization and mass production of them in our country would seem to be an productive step towards self sufficiency.
کلیدواژه‌های انگلیسی مقاله Growth Rate, Yeasts, Cereals,Media
نویسندگان مقاله p دهقان | p dehghan
department of parasitology and mycology, school of medicine, isfahan university of medical sciences and health services, isfahan

سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (Isfahan university of medical sciences)

sh شادزی | sh shadzi


موحد محمدی m | movahed mohammadi m


a حسن زاده | a hassan zadeh


نشانی اینترنتی http://jrms.mui.ac.ir/index.php/jrms/article/view/3288
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Articles
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