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Table 2 Cumulative data–identification of Raman marker bands for the investigated extracts of M. sativa

From: Design of optimal solvent for extraction of bio–active ingredients from six varieties of Medicago sativa

Vibration mode (cm–1)

stretching

bending

ϑ(C=C)

δ(=C–H)

δ(–C–H)

1657 s

1301 m

1264 w

1657 s

1302 m

1265 m

1657vs

1302 m

1264 m

1657 s

1302 m

1265 m

1657 vs

1302 m

1265 ms

1657 s

1302 m

1265 m