鶏卵孵化時に於けるビタミンB12に就て
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概要
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Many investigations of the effect of vitamin B12 on the growth of chick have alredy appeared in literature, but no report was published in concerning with the fate of vitamin B12 during.incubation of egg in poultry. Recently, the author attempted to study the r6le of this vitamin on the nuclear metabolism in the embryo. Results are as follows: (1) The Euglena assay indicated that a part of vitamin B12 may be conjugated with protein in egg-egg-white, egg-yolk and embryo. (2) Almost no variation of total amount of vitamin B12 in eggs during incubation was observed (Tables 2 and 4). (3) At the end of the of the experiment during incubation, large amount of vitamin B12 in eggs seems to be tranferred to embryo (Tables 4 and 5).
- 社団法人 日本農芸化学会の論文