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- W785356825 abstract "The tallest cactus in the United States, the saguaro, is restricted to southern Arizona in this country. When the saguaro is wounded, either mechanically (knives, rocks) or naturally (birds, wind), it responds by forming a hard tissue layer (callus) around the injured area. Paper and thin layer chromatographic analyses together with ultra violet spectral analysis of saguaro callus extracts indi cated the presence of several phenolic acids. Among these were: 4-hydroxybenzoic acid, 3,4-dihydroxybenzoic acid, and 3-methoxy-if-hydroxybenzoic acid. Following the same procedure, extracts of the pulpy cortex indicated the presence of 4-hydroxycinnamic acid, 3,4-dihydroxycinnamic acid, and 3-methoxy-4-hydroxycinnamic acid. One flavonoid, quercetin, and a second unidentified flavonoid were found to occur in the callus. There was apparently no flavonoid content in the vascular elements of the cactus, the woody ribs. Although no structural identification of alkaloids was attempted, chromatographic analysis of the callus, the ribs, and the intermediate pulpy area indicated the presence of at least five alkaloids. Previously, only one alkaloid, carnegine, had been found in the saguaro." @default.
- W785356825 created "2016-06-24" @default.
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- W785356825 date "1966-01-01" @default.
- W785356825 modified "2023-09-27" @default.
- W785356825 title "A BIOCHEMICAL INVESTIGATION OF CALLUS TISSUE IN THE SAGUARO CACTUS (CARNEGIEA GIGANTEA ((ENGELM.)) BRITT. & ROSE)" @default.
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- W785356825 hasPublicationYear "1966" @default.
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