Abstract
DURING recent years, several new amino- and imino-acids have been characterized as components of the non-protein nitrogen fraction of plant materials. Another example has now been found in seeds of Citrullus vulgaris (water melon, var. Tom Watson). The structure of this new amino-acid (hereafter termed βPA) is as follows: 
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References
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NOE, F., FOWDEN, L. α-Amino-β-(pyrazolyl-N) Propionic Acid: a New Amino-Acid from Citrullus vulgaris (Water Melon). Nature 184, BA69–BA70 (1959). https://doi.org/10.1038/184069a0b
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DOI: https://doi.org/10.1038/184069a0b
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