Abstract
IN the course of investigations on the nitrogen metabolism of plants, the distribution of free amino-acids in the leaves of a number of plant species was studied by the circular paper chromatographic technique1. The occurrence of proline and hydroxy-proline in relatively high concentrations in some of the leaves investigated prompted us to report these preliminary observations.
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References
Giri, K. V., Radhakrishnan, A. N., and Vaidyanathan, C. S. (unpublished work).
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GIRI, K., GOPALKRISHNAN, K., RADHAKRISHNAN, A. et al. Proline and Hydroxyproline in Leaves. Nature 170, 579–580 (1952). https://doi.org/10.1038/170579b0
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DOI: https://doi.org/10.1038/170579b0
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