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Classes of secondary metabolites identified in three legume species

2013; Sociedade Brasileira de Zootecnia; Volume: 42; Issue: 10 Linguagem: Inglês

10.1590/s1516-35982013001000002

1806-9290

Delci de Deus Nepomuceno, João Carlos de Carvalho Almeida, Mário Geraldo de Carvalho, Renata Duarte Fernandes, Francisco Eduardo Aragão Catunda Júnior,

Soybean genetics and cultivation

The objective of this study was to identify secondary metabolite classes of tropical kudzu, perennial soybean and archer legumes through identification by phytochemical screening and confirmation by infrared (IR), ¹H and carbon-13 NMR spectroscopy of fractions obtained by organic solvents partition of crude extracts. These analyses allowed for proposing the presence of the following metabolite classes: reducing sugars, saccharides, saponins, cardiac glucosides, terpenes, coumarins, tannins, alkaloids and flavonoids. The tannins, saponins, alkaloids, organic acids and flavonoids had special consideration because they are toxic compounds and can affect the animal metabolism.