Abstract
DURING the chromatography of lipids from spinach chloroplasts we have observed a compound which appears to be a form of vitamin K which is different from the well-known vitamin K1. The latter has previously been isolated from chloroplasts1,2 and is widely distributed in green plants3.
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McCKENNA, M., HENNINGER, M. & CRANE, F. A Second Naphthoquinone in Spinach Chloroplasts. Nature 203, 524–525 (1964). https://doi.org/10.1038/203524a0
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DOI: https://doi.org/10.1038/203524a0
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