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Formation of l-ascorbic acid and oxalic acid from d-glucosone in Lemna minor

✍ Scribed by Kazumi Saito


Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
433 KB
Volume
41
Category
Article
ISSN
0031-9422

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## Abstract Ascorbic acid is not oxidized (thermally) by ferric salts in oxalic acid solution. When ferric salts in oxalic acid solution are irradiated in an atmosphere of nitrogen, ferrous ions are produced; in an atmosphere of air, ferrous ions are produced when the ratio of iron to oxalate excee

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## Abstract Five derivatives of imidazole were found in the reaction mixture of l‐ascorbic acid and ammonia. Two of them were identified as 4(5)‐methyl imidazole, and 4(5)‐ethyl imidazole, the third one corresponded probably to 4(5)‐(2,3‐dihydroxypropyl) imidazole. The last two compounds were not i