Absorption Spectrum of the Unsaponifiable Matter from Wheat-Germ Oil

Details Absorption Spectrum of the Unsaponifiable Matter from Wheat-Germ Oil Absorption Spectrum of the Unsaponifiable Matter from Wheat-Germ Oil

Apr 1933

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1933natur.131..618m&link_type=abstract

Nature, Volume 131, Issue 3313, pp. 618 (1933).

Physics

Scientific paper

In a recent letter to NATURE, Bowden and Moore1 record data on the absorption spectrum of the vitamin E fraction of wheat-germ oil. So early as 1928, wheat-germ oil and extracts were studied here. The oil showed a maximum at 272 mµ (E 1per cent1 cm 1.9) and the unsaponifiable matter (kindly supplied by Prof. J. C. Drummond) gave evidence of maxima at 280 mµ and 256 mµ, together with weak selective absorption in the visible. On recrystallising, a white solid showing the ergosterol bands and very distinct maxima at 242 mµ, and 253 mµ. was obtained, whilst the more soluble coloured fraction still showed marked inflexions near 280 mµ and 256 mµ

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