Zechmeister, L. and Schroeder, W. A. (1942) The fruit of Pyracantha angustifolia: a practical source of pro-γ-carotene and prolycopene. Journal of Biological Chemistry, 144 (2). pp. 315-320. ISSN 0021-9258. http://resolver.caltech.edu/CaltechAUTHORS:ZECjbc42a
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Ripe fruit of Pyracantha (Cotoneaster) angustifolia Schneid. constitutes the best practical source for the isolation of pro-γ-carotene, C40H56, and a good source for prolycopene, C40H56, both of which possess partially cis configurations. The yields were 27.7 mg. of crystallized pro-γ-carotene and 28.4 mg. of prolycopene from 1 kilo of air-dried berries. A close stereoisomer of prolycopene was also isolated (7.3 mg.) and a monohydroxy pro-γ-carotene observed in solution.
|Additional Information:||Copyright © 1942 by the American Society for Biochemistry and Molecular Biology. (Received for publication, April 13, 1942) Gates and Crellin Laboratories of Chemistry, Contribution No. 880. We wish to thank Dr. W. Hertrich, Curator of the Huntington Botanical Garden, for his courtesy, and Dr. G. Oppenheimer as well as Mr. G. Swinehart for the microanalyses.|
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|Deposited On:||12 Jun 2008|
|Last Modified:||26 Dec 2012 10:05|
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