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Mean values of soluble phenolic acids (a) and flavonoids (b) in alfalfa. Different letters indicate significant difference among accessions at p < 0.05 according to the LSD test. 4-HBA—4-hydroxybenzoic; CAT—catechin; CA—caffeic acid; SA—syringic acid; ECAT—epicatechin; p-COA—p-coumaric acid; FA—ferulic acid; RUT—rutin; API—apigenin.
