نتایج جستجو برای: fermentation water quality
تعداد نتایج: 1283981 فیلتر نتایج به سال:
E-nose (Electronic nose), which is an array of chemical sensors, is widely used in food industry and pollution control. Nowadays e-nose technology has become powerful tool to evaluate the aroma compounds during the quality control process. This work is intended to detect biological water contaminants like coliform group of bacteria in drinking water. However, a number of limitations are associa...
Background and Objective: Surface water and underground water quality in countries that facing dehydration have increased the interest of the community to use Household Water Treatment devices. The aim of this study was the evaluation of the quality of drinking water of Household Water Treatment devices and general distribution network in Garmsar, which is under the control of the water safety ...
Background and purpose: Awareness of people about drinking water impurities and the demand for better water quality have led to widespread application of point-of-use (POU) water treatment devices. The aim of this study was to investigate the bacteriological quality of water produced by household water treatment devices. Materials and methods: This cross-sectional descriptive study was perfo...
Water kefir is a sour, alcoholic, and fruity fermented beverage of which the fermentation is started with water kefir grains. These water kefir grains consist of polysaccharide and contain the microorganisms responsible for the water kefir fermentation. In this work, a water kefir fermentation process was followed as a function of time during 192 h to unravel the community dynamics, the species...
The effect of different rates of ethanol additive on fermentation quality of napiergrass (Pennisetum purpureum) and residual water soluble carbohydrate were studied in the experiment. The addition rate of ethanol was 0%, 1.5%, 2.5%, 3.5%, 4.5% on fresh weight of napiergrass. The laboratory silos were kept in the room, then were opened on 1, 3, 5, 7, 14, 30 days after ensiling and the changes of...
چکیده پارامترهای ژئومورفیک از عوامل تعیین کننده و تاثیر گذار بر کیفیت اکولوژیکی رودخانه ها هستند. کیفیت فیزیکی و شیمیایی آب رودها میتواند متاثر از لیتولوژی موجود در حوضه آبریز ، جنس رسوبات حمل شده به رودخانه و عوامل زیستی باشد. در این تحقیق، پارامترهای تاثیر گذار بر کیفیت شیمیایی آب رودخانه کرج در دو ایستگاه سیرا و بیلقان مورد بررسی قرار گرفته است. با استفاده از ایستگاه های هیدرومتری موجود بر...
Background and purpose: Safe drinking is water that does not have any chemical and microbial contamination. According to the World Health Organization (WHO) guideline standards for drinking water total and fecal coliform the indicator of fecal contamination must not be detectable in any 100 ml samples. Pollution indicator bacteria such as coliforms and fecal coliforms were enumerated using a mu...
Corn fractionation in modified dry grind processes results in low fermentation efficiency of corn grits because of nutrient deficiency. This study investigated the use of nutrient-rich water from germ soaking to improve grits fermentation in the conventional dry grind and granular starch hydrolysis (GSH) processes. Comparison of germ soak water with the use of protease and external B-vitamin ad...
evaluation of surface water quality is a complex process undertakingmultiple parameters. converting great amount of parameters into a simpler expressionand enabling easy interpretation of data are the main purposes of water quality indices.the main aim of this study is to plan effective water resources management system forkarun river by combination of ccmewqi and geographic information system ...
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