نتایج جستجو برای: acetic acid bacteria
تعداد نتایج: 897870 فیلتر نتایج به سال:
background and objectives: zinc oxide (zno) nano-particles have been proven to have strong antibacterial activity against food borne pathogens. the practical applications of different concentrations (control, 0, 1, 2, 4, 6 and 8 mm) of zno suspensions containing 1% acetic acid were investigated against the pathogenic bacteria like staphylococcus aureus. materials and methods: the projects of la...
Background and Objectives: Zinc oxide (ZnO) nano-particles have been proven to have strong antibacterial activity against food borne pathogens. The practical applications of different concentrations (Control, 0, 1, 2, 4, 6 and 8 mM) of ZnO suspensions containing 1% acetic acid were investigated against the pathogenic bacteria like Staphylococcus aureus. Materials and Methods: The projects of l...
Acetic acid bacteria are obligate aerobes able to oxidize ethanol, sugar alcohols, and sugars into their corresponding acids. Among them, Acetobacter and Gluconacetobacter species have very high ethanol oxidation capacity, leading to accumulation of vast amounts of acetic acid outside the cell. Since these bacteria are able to grow in media with high concentrations of acetic acid, they must pos...
قارچ ها به عنوان یکی از مهمترین عوامل بیماریزای گیاهی، منبع اصلی از متابولیت های ثانویه بیواکتیو هستند، و از اهمیت قابل توجهی در فعل و انفعالات زیست محیطی برخوردار می باشند از جمله متابولیت ها می توان آنتی بیوتیک ها، توکسین ها و آنزیم ها را نام برد. در این پژوهش شناسایی متابولیت های ثانویه تولید شده در 21 گونه قارچی با کمک gc – ms انجام گردید. نتایج حاصل از بررسی قابلیت ضد باکتریایی، ضد قارچی، ...
Acetic acid bacteria capable of growing at 30 ̊C 37 ̊C were collected from various decomposed fruits available in Bangladeshi local markets in order to assess their suitability for vinegar production. Initially, 42 microorganisms were isolated from decomposed fruits like grapes, mangoes, pineapples, oranges, safeda etc. during summer when temperature reaches up to 37 ̊C. Then their growths were ch...
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