Titrimetric Method for Determination of Medicagenic Acid in Alfalfa (Medicago sativa)

Yehuda Tencer, Shraga Shany, Benjamin Gestetner, Yehudith Birk, Aron Bondi

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


A titrimetric method for the quantitative determination of medicagenic acid (a biologically active sapogenin present in alfalfa saponins) in the presence of other nonactive sapogenins in the acid hydrolysates of alfalfa tops and roots has been elaborated. The amount of medicagenic acid contain- ing saponins can be derived from the content of medicagenic acid by means of a conversion factor. The content of these saponins in alfalfa tops and roots is 0.11 and 0.96%, respectively, thus accounting for the greater toxicity of the latter toward various organisms.

Original languageEnglish
Pages (from-to)1149-1151
Number of pages3
JournalJournal of Agricultural and Food Chemistry
Issue number6
StatePublished - 1 Nov 1972
Externally publishedYes


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