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Rhynchosia minima (L.) DC. - regeneration, characterization and potential uses for natural products and flavonoids

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Least snout bean, Rhynchosia minima, has been used very little worldwide, including the USA. Wild species of least snout bean genotypes are known to be native to the south-eastern USA, but none have been collected and deposited in the USDA, ARS, PGRCU collection. The PGRCU maintains 26 least snout bean accessions from Mexico, Central America, Caribbean Islands, and South America. Twenty-one accessions of least snout bean were transplanted as approximately 44-day-old seedlings to the field in Griffin, GA, USA, around 01 June 1998, 2001, 2002 and 2003. After 3 to 4 months, the accessions were characterized for morphological traits and evaluated for seed regeneration. High quality plants regenerated from all accessions produced from 3 to more than 23 000 total seeds per plot. Least snout bean can be successfully grown and regenerated in Griffin. Least snout bean has potential to be used in numerous ways, including for pharmaceuticals and other agricultural products. Natural products such as gallic acid identified in least snout bean pods and seeds may fight colon cancer, while the flavonoid, isovitexin, may reduce inflammation, as well as carcinogenesis.
Morris, J.B.
Includes references
Plant genetic resources newsletter = Ressources génétiques végétales bulletin 2008 Mar., no. 153
Journal Articles, USDA Authors, Peer-Reviewed
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