Stereoisomeric Phytofluenes

Abstract

Phytofluene ex tomatoes is subject to cis-trans isomerization. The native form in the tomatoes studied is a relatively thermostable but photosensitive cis compound that may rearrange spontaneously or when illuminated or under the catalytic influence of iodine in light. It then yields the more stable all-trans form possessing stronger adsorbability. The two main stereoisomers mentioned were characterized by spectroscopic and chromatographic methods.

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