Ticktrefoil (Desmodium) species as a nutraceutical forage resource for animals

Ticktrefoil (Desmodium) species from the USDA, ARS, Plant Genetic Resources Conservation Unit (PGRCU) germplasm collection in Griffin, GA, were evaluated for their potential livestock nutraceutical (nutritional + pharmaceutical) value in a field small plot study at the Fort Valley State University (...

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Bibliographic Details
Published in:Grassland science 2023-10, Vol.69 (4), p.261-267
Main Authors: Terrill, Thomas H., Courson, Erica M., Morris, J. Bradley, Morning, Beyanna J., Owen, Vicki R., Muir, James P., Cherry, Nichole M., Tonnis, Brandon, Pech‐Cervantes, Andres A.
Format: Article
Language:English
Subjects:
Agricultural research
bioactivity
Biological activity
condensed tannins
Desmodium
Desmodium intortum
Desmodium paniculatum
Desmodium sandwicense
Desmodium tortuosum
Digestibility
Discoloration
Farm buildings
Flavonoids
Functional foods & nutraceuticals
Genetic resources
Germplasm
Kaempferol
Livestock
nutraceutical
Nutrient content
Phenolic compounds
Phenols
Plant resources
Proteins
Resource conservation
Species
Tannins
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Summary:Ticktrefoil (Desmodium) species from the USDA, ARS, Plant Genetic Resources Conservation Unit (PGRCU) germplasm collection in Griffin, GA, were evaluated for their potential livestock nutraceutical (nutritional + pharmaceutical) value in a field small plot study at the Fort Valley State University (FVSU) Agricultural Research Station, Fort Valley, GA. Horse marmalade (Desmodium discolor Vogel), greenleaf ticktrefoil (Desmodium intortum [Mill.] Urb.), panicledleaf ticktrefoil (Desmodium paniculatum [L.] DC.), Hawaii ticktrefoil (Desmodium sandwicense E. May) and twisted ticktrefoil (Desmodium tortuosum [Sw.] DC.) were established in a greenhouse and transplanted to field plots, with plant material from each species harvested, freeze‐dried, ground and analyzed for nutrient content and bioactivity. Crude protein (CP) levels in D. discolor and D. tortuosum averaged 233 g/kg, whereas CP in D. intortum, D. paniculatum and D. sandwicense ranged from 99 to 157 g/kg. The Desmodium species had in vitro true digestibility values of 755 to 878 g/kg. There were no detectable condensed tannins in D. discolor and D. tortuosum, whereas D. intortum, D. paniculatum and D. sandwicense averaged 88, 89 and 73 g/kg total condensed tannin, respectively. There were species differences in flavonoid content (p 
ISSN:1744-6961
1744-697X
DOI:10.1111/grs.12411