893 a 875 |
7.62 |
5.05 |
5.03 |
ν(N-H); ν(C-O) |
Protein; glycosidic linkage of hemicellulose; (Xu & Wang, 2015Xu, F., & Wang, D. (2015). Analysis of lignocellulosic biomass using infrared methodology. In A. Pandey, S. Negi, P. Binod & C. Larroche (Eds.). Pretreatment of biomass. Manhattan, KS: Elsevier. http://dx.doi.org/10.1016/B978-0-12-800080-9.00002-5. http://dx.doi.org/10.1016/B978-0-12-8000...
) |
936 a 926 |
5.06 |
4.78 |
4.34 |
δ(C-H) e (O-H) |
Cellulose, hemicellulose; (Xu & Wang, 2015Xu, F., & Wang, D. (2015). Analysis of lignocellulosic biomass using infrared methodology. In A. Pandey, S. Negi, P. Binod & C. Larroche (Eds.). Pretreatment of biomass. Manhattan, KS: Elsevier. http://dx.doi.org/10.1016/B978-0-12-800080-9.00002-5. http://dx.doi.org/10.1016/B978-0-12-8000...
) |
1015 a 1023 |
86.06 |
82.48 |
88.91 |
ν(C-O); ν(C-C); δ(O-C-H) |
Cellulose, hemicellulose; lignin; (Xu & Wang, 2015Xu, F., & Wang, D. (2015). Analysis of lignocellulosic biomass using infrared methodology. In A. Pandey, S. Negi, P. Binod & C. Larroche (Eds.). Pretreatment of biomass. Manhattan, KS: Elsevier. http://dx.doi.org/10.1016/B978-0-12-800080-9.00002-5. http://dx.doi.org/10.1016/B978-0-12-8000...
) pectin; glycogen; (Largo-Gosens et al., 2014Largo-Gosens, A., Hernández-Altamirano, M., García-Calvo, L., Alonso-Simón, A., Álvarez, J., & Acebes, J. L. (2014). Fourier transform mid infrared spectroscopy applications for monitoring the structural plasticity of plant cell walls. Frontiers in Plant Science, 5, 303. http://dx.doi.org/10.3389/fpls.2014.00303. PMid:25071791. http://dx.doi.org/10.3389/fpls.2014.0030...
) |
1096 a 1091 |
40.76 |
43.43 |
35.97 |
νa(C-O-C) |
Cellulose, hemicellulose; lignin;[51] pectin; glycogen;[59] essential oils[66]
|
νs(PO2-) |
Polysaccharides; nucleic acids; |
1106 a 1104 |
0.67 |
0.54 |
0.54 |
νs(P-O-C); νs(C-O-C) |
Carbohydrates; (Largo-Gosens et al., 2014Largo-Gosens, A., Hernández-Altamirano, M., García-Calvo, L., Alonso-Simón, A., Álvarez, J., & Acebes, J. L. (2014). Fourier transform mid infrared spectroscopy applications for monitoring the structural plasticity of plant cell walls. Frontiers in Plant Science, 5, 303. http://dx.doi.org/10.3389/fpls.2014.00303. PMid:25071791. http://dx.doi.org/10.3389/fpls.2014.0030...
) |
~1151 |
4.78 |
4.81 |
4.95 |
νa(C-O-C) |
Cellulose, hemicellulose;[51] essential oils;[60]
|
~1200 |
0.33 |
0.32 |
0.24 |
δ(O-H) |
Cellulose, hemicellulose; (Xu & Wang, 2015Xu, F., & Wang, D. (2015). Analysis of lignocellulosic biomass using infrared methodology. In A. Pandey, S. Negi, P. Binod & C. Larroche (Eds.). Pretreatment of biomass. Manhattan, KS: Elsevier. http://dx.doi.org/10.1016/B978-0-12-800080-9.00002-5. http://dx.doi.org/10.1016/B978-0-12-8000...
) |
~1222 |
36.78 |
35.09 |
36.32 |
ν(C-O) |
lignin; Xylan;[52] phenolic compounds; (Abbas et al., 2017Abbas, O., Compère, G., Larondelle, Y., Pompeu, D., Rogez, H., & Baeten, V. (2017). Phenolic compound explorer: a mid-infrared spectroscopy database. Vibrational Spectroscopy, 92, 111-118. http://dx.doi.org/10.1016/j.vibspec.2017.05.008. http://dx.doi.org/10.1016/j.vibspec.2017...
) |
ν(C=N e N-H) |
Protein Amide IV; |
~1310 |
10.23 |
9.01 |
7.86 |
ν(C-N) |
Protein Amide III; (Abbas et al., 2017Abbas, O., Compère, G., Larondelle, Y., Pompeu, D., Rogez, H., & Baeten, V. (2017). Phenolic compound explorer: a mid-infrared spectroscopy database. Vibrational Spectroscopy, 92, 111-118. http://dx.doi.org/10.1016/j.vibspec.2017.05.008. http://dx.doi.org/10.1016/j.vibspec.2017...
) |
1366 a 1362 |
26.66 |
26.08 |
26.66 |
δC-H) |
Cellulose and hemicellulose; (Türker-Kaya & Huck, 2017Türker-Kaya, S., & Huck, C. W. (2017). A review of mid-infrared and near-infrared imaging: principles, concepts and applications in plant tissue analysis. Molecules (Basel, Switzerland), 22(1), 168. http://dx.doi.org/10.3390/molecules22010168. PMid:28117673. http://dx.doi.org/10.3390/molecules22010...
) |
~1446 |
10.08 |
9.23 |
9.46 |
ν(C-C) de aromático; δa(CH2); δa(CH3) |
Phenolic compounds; polysaccharides; lipids and proteins;[52] essential oils;[60]
|
~1536 |
7.48 |
6.23 |
6.44 |
ν(C = N); νN-H) |
Protein Amide II; (Türker-Kaya & Huck, 2017Türker-Kaya, S., & Huck, C. W. (2017). A review of mid-infrared and near-infrared imaging: principles, concepts and applications in plant tissue analysis. Molecules (Basel, Switzerland), 22(1), 168. http://dx.doi.org/10.3390/molecules22010168. PMid:28117673. http://dx.doi.org/10.3390/molecules22010...
) |
~1604 |
20.46 |
18.97 |
18.65 |
ν(C = O) de aromáticos; |
Lignin and alkaloid; (Türker-Kaya & Huck, 2017Türker-Kaya, S., & Huck, C. W. (2017). A review of mid-infrared and near-infrared imaging: principles, concepts and applications in plant tissue analysis. Molecules (Basel, Switzerland), 22(1), 168. http://dx.doi.org/10.3390/molecules22010168. PMid:28117673. http://dx.doi.org/10.3390/molecules22010...
) |
ν(C=C) de aromáticos; |
Phenolic compounds;[53, 60]
|
1667 a 1663 |
21.99 |
21.40 |
20.36 |
ν(C = O); |
Protein amide I; alkaloid; pectin, water associated with cellulose;[52] or lignin;[51, 52]
|
~1726 |
14.62 |
13.73 |
12.81 |
ν(C = O) |
Phospholipid; pectin; lignin; cutin;[52, 60] Hemicellulose;[51, 52] flavonoids; essential oils;[60]
|
2659 a 2630 |
15.68 |
12.83 |
15.12 |
ν(N-H) de NH3+
|
Mainly proteins; (Abbas et al., 2017Abbas, O., Compère, G., Larondelle, Y., Pompeu, D., Rogez, H., & Baeten, V. (2017). Phenolic compound explorer: a mid-infrared spectroscopy database. Vibrational Spectroscopy, 92, 111-118. http://dx.doi.org/10.1016/j.vibspec.2017.05.008. http://dx.doi.org/10.1016/j.vibspec.2017...
) |
3058 a 2849 |
64.67 |
62.18 |
59.04 |
νs(C-H); νa(C-H) |
Mainly lipids and less contribution of carbohydrates, proteins and acids. nucleic acids;[52] lignin;[51] wax;[60] essential oils[60]
|
3635 a 3127 |
182.52 |
177.50 |
177.59 |
ν(O-H) e ν(N-H) associada e livre |
Water; lignin;[51] carbohydrates, proteins (amide A and B); nucleic acids;[53] alcohols and phenolic compounds;[52] cutin;[60] alcohols and volatile acids |
Totalarea =
|
556.45
|
533.66
|
530.29
|
|
% Totalarea =
|
100
|
95.90
|
95.30
|
% Reduced totalarea =
|
0
|
4.10
|
4.70
|