Phytofluene☆

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Abstract

The extraction and purification of phytofluene from tomatoes is described. The purity of the best preparations obtained is approximately 25% higher than previously reported (2). The present light-absorption value for the longer wavelength maximum is that expected by extrapolation of the values obtained for ζ- and δ-carotenes, tetrahydrolycopene, and lycopene.

Analyses show the presence of two ispropylidene groups in the phytofluene molecule. It is suggested that phytofluene has an open chain structure, closely related to that of ζ-carotene with which it occurs in nature.

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Journal Paper No. 422, Purdue University Agricultural Experiment Station. This work was supported in part by a grant from the Nutrition Foundation, Inc.

2

Present address: Biology Division, General Electric Co., Richland, Wash.

3

The technical assistance of Mrs. M. M. Murphey is gratefully acknowledged.

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