نتایج جستجو برای: acetobacter xylinum
تعداد نتایج: 950 فیلتر نتایج به سال:
Cellulose was produced heterotrophically from different carbon substrates by carrot tissue cultures and Acetobacter xylinum (a cellulose-producing bacterium) and by castor bean seeds germinated in the dark, in each case in the presence of water having known concentration of oxygen-18 ((18)O). We used the relationship between the amount of (18)O in the water and in the cellulose that was synthes...
UDP-glucose (UDP-G), the direct precursor of cellulose, is known to be produced from UTP and glucose-1-phosphate. In an attempt to increase UTP biosynthesis, 5-fluorouridine (5-FUR: a pyrimidine analog)-resistant mutants were obtained using Acetobacter xylinum subsp. nonacetoxidans 757 as the parent strain. One of the 5-FUR-resistant mutants, FUR-35, showed about 40% higher cellulose productivi...
Nata is a source of fermented food that contains high fiber. However, to reduce the use ZA in food, other natural nitrogen sources are needed so they safer body. This study aims determine potential telang flower or butterfly pea (Clitoria ternatea) extract as substitute for fiber-rich foods such nata de banana peel. The research method was carried out by experimental methods, namely observation...
Cellulose produced by fermentation of acetic acid bacteria has high tensile strength. Meanwhile, cellulose derived from wood, which is abundant in nature, a limit In this work, delignified wood veneer was immersed Acetobacter xylinum culture medium to self-assemble bacterial into pores. Then the process continued with heating press. It makes material denser and causes hydrogen bonds form betwee...
Salah satu kegiatan yang dilaksanakan di laboratorium Bioindustri saat ini adalah pengukuran karakteristik pertumbuhan Acetobacter xylinum. Karakteristik pertumbuhannya diukur pada rentang waktu hari ke-1 sampai ke-8 dengan inkubasi suhu 30 oC. Untuk pemeriksaan beberapa sampel pengulangan tiga kali membutuhkan lama. Penelitian bertujuan untuk membandingkan efektifitas penggunaan Glasfirn Pi Pu...
Bacterial cellulose (BC) is a fermentative product of Acetobacter xylinum characterized by high purity and crystallinity up to 80%. Due its excellent physical mechanical properties, bacterial increasingly interested in research, especially the study applying BC different fields. Although it potential direction, large-scale production still has certain limitations, mainly fermentation medium's c...
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