Pteridines and purines of the queens of the Oriental hornet,Vespa orientalis F. |
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| Affiliation: | 1. Catalysis and Inorganic Chemistry Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pashan, Pune 411 008, India;2. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201 002, India |
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| Abstract: | Extracts of various parts of the queens of the Oriental hornet, Vespa orientalis F., have been investigated using column and thin-layer chromatography and ultraviolet spectroscopy. Five fluorescing and two u.v.-absorbing, but not fluorescent substances have been isolated. The fluorescing substances are xanthopterin, isoxanthopterin, biopterin, violapterin, and an unknown pterin, the nonfluorescing ones adenine and hypoxanthine. |
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