γ-Irradiation of malic acid in aqueous solutions

Details γ-Irradiation of malic acid in aqueous solutions γ-Irradiation of malic acid in aqueous solutions

Dec 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980orli...10..335n&link_type=abstract

Origins of Life, Volume 10, Issue 4, pp.335-341

Mathematics

Logic

3

Scientific paper

The γ-irradiation of malic acid in aqueous solutions was studied under initially oxygenated and oxygen-free conditions in an attempt to determine the possible interconversion of malic acid into other carboxylic acids, specifically those associated with Krebs cycle. The effect of dose on product formation of the system was investigated. Gas-liquid chromatography combined with mass spectrometry was used as the principal means of identification of the non-volatile products. Thin layer chromotography and direct probe mass spectroscopy were also employed. The findings show that a variety of carboxylic acids are formed, with malonic and succinic acids in greatest abundance. These products have all been identified as being formed in the γ-irradiation of acetic acid, suggesting a common intermediary. Since these molecules fit into a metabolic cycle, it is strongly suggestive that prebiotic pathways provided the basis for biological systems.

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