نتایج جستجو برای: wetdry storage

تعداد نتایج: 184078  

Fatemeh Abbasi, Saleh Nasiri,

Background: Platelets rapidly lose their qualities usually after 5 day of storage. Different standard methods have been recommended to check the quality of platelets during storage which some of them show better correlation with other quality markers during storage. The purpose of this study was to demonstrate if platelet factor 3 (PF3) assay could be an indicator of storage lesion and provide ...

طرآبادی, فروغ اعظم, پور فتح الله, علی اکبر, بابائی, غلامرضا , شایگان, مژگان , نمیری, مهرناز ,

Background: As increase of cytokines (like IL-1 , IL-6 , IL-8 and TNF- ) in platelet concentrates (PCs) during storage are involved in Febrile Non Hemolytic Transfusion Reactions (FNHTRs) after Platelet transfusion, the aim of this study was the survey of these cytokines level in PCs produced in Tehran Blood Center. Materials and Methods: This study proposed to determine if WBC reduction in P...

The behaviour of Escherichia coli O157:H7 was studied during the manufacture and storage of Iranian white cheese in brine. Cheese was manufactured using pasteurized cow milk and inoculated with E. coli O157:H7 with inoculum level of 103 cfu/ml. Four treatments were designed. Cheeses were made with or without starter culture and kept immersed in 6 or 8% salt brine during ripening and storage. Ch...

Magnesium hydride is one of the hydrogen storage materials in solid state that is taken into consideration due to its high storage capacity. This paper investigates the adsorption of magnesium and nickel catalyst combination in 473 K at 2.0 and 3.5 Mpa. A planetary ball mill is used in order to produce fine particles and to increase adsorption. A volumetric method (Sievert) is used for hydrogen...

The effect of delayed icing on the quality of banana shrimp (Fenneropenaeus merguiensis) was investigated by determining sensory, physicochemical (pH, TVB-N and WHC), microbial (TMC, total mesophilic counts and TPC, total psychrophilic counts) and microstructure aspects over 20 days during ice storage. The fresh shrimp stored in the immediately iced after caught (lot I) were organoleptically ac...

Journal: :شیلات 0
حنانه رضائیان کارشناسی ارشد گروه شیلات، دانشکده منابع طبیعی دانشگاه تهران، کرج، ایران سید ولی حسینی دانشیار گروه شیلات، دانشکده منابع طبیعی دانشگاه تهران، کرج، ایران عباسعلی مطلبی مغانجوقی استاد موسسه تحقیقات شیلات ایران، تهران، ایران علیرضا میرواقفی دانشیار گروه شیلات، دانشکده منابع طبیعی دانشگاه تهران، کرج، ایران

in this study, the antimicrobial effect of sea cucumber extract (0.5, 1 and 2%) on the microbial population of rainbow trout fillets during refrigerated storage was examined. fillets were stored for 16 days and every 4 days microbial tests (including total bacterial load, pseudomonas, enterobacteriaceae and h2s producing bacteria) were performed on the samples. results showed that there was no ...

Oils extracted from plants have been used since ancient times and in many cultures .frying oils are used in many countries all around the world including Iran. Therefore it is of great importance to ensure the safety of these food products which are usually delivered in polyethylene terephthalate (PET) bottles. This study has investigated the effect of storage time and temperature on the migrat...

This study examined the effects of long-term frozen storage (-20 °C for 5 months) of free amino acids (FAAs) and nucleotide-related compounds (NRCs) in muscle and hepatopancreas of the coconut crab Birgus latro. Although long-term frozen storage had little effect on FAA composition in muscle, the amounts of several FAAs increased in the hepatopancreas that may be the result of protein decomposi...

بلندی, مرضیه, شهیدی, فخری, صداقت, ناصر, فرهوش, رضا, قاسم زاده, راحله,

Saffron is one of the most important crops in Iran and the quality of its dried stigma is highly depended on the processing and storage conditions. In this study, the effect of different storage conditions in terms of temperature (20, 30 and 40°C) and water activity (0.32, 0.52 and 0.75) during 12 weeks storage on color strength, aroma and bitterness of saffron were investigated. In order to st...

ژورنال: مرتع 2022

Background and objectives: One of the most important components of rangeland ecosystems is soil that their degradation will reduce rangeland production capacity. About half of the world's lands are rangelands and they contain more than one-third of the biosphere carbon pool. Therefore, these lands have a high potential for carbon sequestration. This study was conducted to investigate the soil c...

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