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在本刊八卷十一期上见到陈培德同志关於苏联利用松叶中维生素的报道,这对自然资源的利用上,又是进了一步。因此将自己所见到有关这一问题的资料,简单地整理介绍如下,备供欲对此作进一步工作者的参考。笔者所根据系涌井袈裟参等氏所发表的研究结果。该氏所用测定维生素丙的方法,系利用2,6-二氯酚靛酚对维生素丙所生的显色反应,比色定量(按:维生素丙的较新比色定量法,系改用2,4-二硝基苯肼为试剂)。
In my article, Volume VIII, issue 11, I saw Comrade Chen Peode’s report on the Soviet Union’s use of vitamins in pine leaves, which is another step toward the utilization of natural resources. Therefore, the information we have seen on this issue is briefly summarized below and prepared for reference by further workers. According to the author of the Department of Well-known Jing et al’s published research results. The method used to measure vitamin C is the use of 2,6-dichlorophenol-indophenol colorimetric reaction of vitamin C, colorimetric quantitative (by: vitamin C newer colorimetric method, the Department of 2 , 4-dinitrophenylhydrazine as a reagent).