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Table 6 Functional groups identified by FTIR spectroscopy in B.orthobotrys n-butanol fraction

From: Anti-arthritic activity of aqueous-methanolic extract and various fractions of Berberis orthobotrys Bien ex Aitch

Peak

Bond

Functional group

3354.21 cm−1 - 3334.92 cm−1

OH Stretching vibrations

Phenols

2956.87 cm−1 – 2872.01 cm−1

CH Stretching vibrations alkanes

Alkanes

1722.43 cm−1

C = 0 carboxylic acid stretching vibrations

Carboxylic acids

1459.76 cm−1

CH3 bending vibrations

Methyl

1384.89 cm−1 – 1367.53 cm−1

C-O Stretching vibrations

Carbonyls

1037.7 cm−1

C-F stretching vibrations

Carbon fluorine