摘要:
Die vorliegende Erfindung betrifft ein Verfahren zur Produktion von organisch gebundenem Vitamin B, vorzugsweise Vitamin B1, B2, B3, B5, B6, B7, B9, B12 oder Mischungen hievon in Pflanzen, wobei Pflanzensamen in einer Lösung des jeweiligen Vitamins getränkt und durch anschließendes Besprühen zu Vitamin B-angereicherten Pflanzenkeimlingen kultiviert werden.
摘要:
The present invention relates to a transcriptional activator gene for genes involved in cobalamin biosynthesis. More precisely, it relates to a process for amplifying the production of cobalamins and, more specifically, of coenzyme B12 by means of recombinant DNA techniques.
摘要:
The present invention provides a process for the preparation of natural vitamin B12, wherein said process comprises the steps of:
a) culturius microbial cells so that they produce, intracellularly, natural vitamin B12, b) causing opening of the microbial cells such that vitamin B12 is released.
The present invention concerns also a composition comprising natural vitamin B12 in an amount greater than 0,1% weight based on the dry matter content of the composition.
摘要:
The present invention is directed to a system and method for producing vitamin B12 enriched Duckweed Bacterial Culture (DBC) composition. The aforementioned method comprises steps of inoculating at least one Lemnoideae species and at least one vitamin B12 producing bacteria species in a volume of growth media; incubating said at least one Lemnoideae species and said at least one vitamin B12 producing bacteria species under predetermined conditions to provide a Duckweed-Bacterial Culture (DBC); determining time intervals within said plots characterized by DBC with highest vitamin B12 content; and harvesting said DBC at said predetermined time intervals, thereby providing vitamin B12 enriched DBC composition. The present invention further discloses a composition comprising a vitamin B12 enriched Duckweed-Bacterial Culture (DBC), wherein said composition comprises at least one Lemnoideae species and at least one B12 producing bacteria species, further wherein said vitamin B12 content in said composition is in the range of between about 0.01 and about 100 μg per 100 g of said DBC.
摘要:
The present invention relates to a composition comprising at least one probiotic bacterial strain belonging to the species Lactobacillus reuteri as a vitamin B12 producer. In particular, the present invention relates to selected bacterial strains belonging to the species Lactobacillus reuteri as vitamin B12 producers. Finally, the present invention relates to a food composition or supplement or pharmaceutical composition comprising a bacterial strain belonging to the species Lactobacillus reuteri.
摘要:
The present invention relates to a DNA encoding a novel flavin adenine dinucleotide (FAD)-dependent D-erythronate 4-phosphate (EN4P) dehydrogenase originated from Sinorhizobium meliloti, which is involved in vitamin B6 biosynthesis, and a recombinant microorganism transformed with a vector having the DNA. It also relates to a process for production of vitamin B6 by using the recombinant microorganism. 'Vitamin B6' as used in this invention includes pyridoxol (PN), pyridoxal and pyridoxamine. Vitamin B6 is a vitamin indispensable to human beings or other animals, and is used as a raw material of medicines or as feed additives.
摘要:
The present invention relates to a transcriptional activator gene for genes involved in cobalamin biosynthesis. More precisely, it relates to a process for amplifying the production of cobalamins and, more specifically, of coenzyme B12 by means of recombinant DNA techniques.