Flavonoid patterns of pollens of 5 plants of the family Cucurbitaceae are different from those of the corresponding stigmas. The major flavonoid of pollens has been identified as kaempferol 3-O-rutinoside (1). Rutin (2) has been found in stigmas of 2 species. The other flavonoids of pollens and stigmas of these plants are flavonol 3-O-glycosides.
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Acknowledgment. The author thanks Mr A. D'Urso (Botanic Institute, University of Catania) for help in acquiring the plant material.
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Imperato, F. Five plants of the family Cucurbitaceae with flavonoid patterns of pollens different from those of corresponding stigmas. Experientia 36, 1136–1137 (1980). https://doi.org/10.1007/BF01976084
- Major Flavonoid