FT-Ir Analysis Essay

993 Words 4 Pages
Table: 9 FT- IR analysis of methanol extract of M. concanensis leaves

S.
No Peak values Intensity range Intensity Group assignment Functional groups
1 3972.43 0.0086 Unknown
2 3859.33 0.0412 Unknown
3 3805.79 0.0733 Unknown
4 3396.46 0.9280 Medium N-H stretch Amides, alcohols and amines
5 2987.43 0.2450 Medium C-H stretch Alkanes and acids
6 2946.27 0.2810 Medium C-H stretch Alkanes and acids
7 2912.38 0.2040 Medium C-H stretch Alkanes
8 2834.49 0.3170 Weak C-H stretch Aldehydes and acids
9 2524.07 0.0337 Medium O-H stretch Carboxylic acids
10 2226.40 0.0033 Weak C ≡C stretch Alkynes
11 2043.60 0.0059 Unknown
12 1785.35 0.0104 Unknown
13 1659.54 0.0303 Medium C =C stretch Amides and alkenes
14 1477.37 0.0519 Medium C-C stretch Aromatic
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concanensis Nimmo methanol extract of flowers

Table: 10 FT- IR analysis of methanol extract of M. concanensis flowers

S.
No Peak values Intensity range Intensity Group assignment Functional groups
1 3971.67 0.0129 Unknown
2 3859.60 0.0425 Unknown
3 3673.70 0.1460 Unknown
4 3646.15 0.2270 Unknown
5 3418.94 0.9870 Medium N-H stretch Amines
6 2988.39 0.2420 Medium C-H stretch Alkanes
7 2946.39 0.2750 Medium C-H stretch Alkanes
8 2909.41 0.1930 Medium C-H stretch Alkanes
9 2835.21 0.3020 Weak C-H stretch Aldehydes and acids
10 2523.35 0.0333 Medium O-H stretch Carboxylic acid
11 2224.61 0.00024 Weak C≡C stretch Alkynes
12 2042.99 0.0063 Unknown
13 1784.40 0.0085 Unknown
14 1667.22 0.0422 Strong C=O stretch Carbonyl and amides
15 1478.91 0.0486 Medium C-C stretch Aromatic
16 1449.50 0.0679 Medium C-C stretch Aromatic
17 1197.92 0.0166 Strong C-O stretch Alkynes and esters
18 1103.98 0.0389 Strong C-O stretch Alcohols, amines and esters
19 1028.00 0.2610 Strong C-O stretch Alcohols and esters
20 684.08 0.0285 Strong C-H bend
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4.2.3.3 A) GC-MS analysis of methanol leaf extract of M. concanensis Nimmo.
GC-MS of the methanol extract of the leaves of M. concanensis is presented in Figure- 5. The fragmentation patterns of the mass spectra were compared with those of the known compounds stored in the National Institute of Standards and Technology (NIST) research library and WILEY 9 which was tabulated. In the GC-MS analysis, 24 active components were detected. The identification of phytochemical compounds was based on peak area, molecular weight and molecular formula. The biological activity of each identified compound of M. concanensis leaves extract is mentioned in the table -12.

Fig 5 : GC-MS analysis of methanol leaves extract of
Moringa concanensis Nimmo. Table: 12 Identified different phytoconstituents in methanol leaf extract of Moringa concanensis Nimmo using GC-MS

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