Table 1 FTIR analysis of functional groups in seed extract and synthesized ZnONP-η and compared with their standard.

From: Biosynthesis of a range of ZnO nanoparticles utilising Salvia hispanica L. seed extract and evaluation of their bioactivity

Compounds

Functional group

Absorption (cm−1)

Standard/Reference

Present study

ZnO NPs-η (0.9mM)

Extract

NP

NP

Alkene

Alcohol

Alcohols

Amine

Phenol

Alkene

Ketone

Alkane

Alkane

Alkane

Alcohol

Zn-O symmetric

Zn-O stretching

C═C bending

O─H bending

Zn–OH vibration

C─N stretching

O─H bending

C═C stretching

C═O

C─H

C─H

C─H

O─H stretching

–

–

–

–

885–895

1020–1250

1310–1390

1626–1662

1735–1750

2340

2840–3000

2840–3000

3200–3550

510.96

526.04

627.25

756.47

886.81

–

1362.58

1636.45

–

2314.90

–

–

3450.38

–

–

–

–

–

1157.16

–

1646.34

1742.19

–

2852.14

2922.49

–

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