Shu-jie LI, Jie LIU, Zi-ang DENG, Quan-hong OU, You-ming SHI, Gang LIU. Study of Germinated Rice Seeds by FTIR Spectroscopy Combined With Curve Fitting[J]. Spectroscopy and Spectral Analysis, 2022, 42(6): 1832
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 6, 1832 (2022)
Fig. 1. FTIR spectra of rice seeds on different germination days
a : 0 d; b : 2 d; c : 4 d; d : 6 d; e : 8 d; f : 10 d; g : 12 d; h : 14 d
Fig. 1. Curve fitting maps of infrared spectra of rice seeds on different germination days in the range of 1 200~950 cm-1
(a): 0 d; (b): 2 d; (c): 4 d; (d): 6 d; (e): 8 d; (f): 10 d; (g): 12 d; (h): 14 d
(a): 0 d; (b): 2 d; (c): 4 d; (d): 6 d; (e): 8 d; (f): 10 d; (g): 12 d; (h): 14 d
Fig. 2. Curve fitting maps of infrared spectra of rice seeds on different germination days in the range of 1 800~1 600 cm-1
(a): 0 d; (b): 2 d; (c): 4 d; (d): 6 d; (e): 8 d; (f): 10 d; (g): 12 d; (h): 14 d
(a): 0 d; (b): 2 d; (c): 4 d; (d): 6 d; (e): 8 d; (f): 10 d; (g): 12 d; (h): 14 d
Fig. 2. Absorption peak intensity ratios of rice seeds on different germination days
Fig. 3. Two-dimensional correlation infrared spectra of rice seeds on different germination days in the range of 814~1 000 cm-1
(a): 0 d; (b): 2 d; (c): 4 d; (d): 6 d; (e): 8 d; (f): 10 d; (g): 12 d; (h): 14 d
(a): 0 d; (b): 2 d; (c): 4 d; (d): 6 d; (e): 8 d; (f): 10 d; (g): 12 d; (h): 14 d
Fig. 4. Two-dimensional correlation infrared spectra of rice seeds on different germination days in the range of 1 028~1 340 cm-1
(a): 0 d; (b): 2 d; (c): 4 d; (d): 6 d; (e): 8 d; (f): 10 d; (g): 12 d; (h): 14 d
(a): 0 d; (b): 2 d; (c): 4 d; (d): 6 d; (e): 8 d; (f): 10 d; (g): 12 d; (h): 14 d
Fig. 5. Second derivative spectra (a) and curve fitting spectra (b) of rice seeds in the range of 1 200~950 cm-1
Fig. 6. Second derivative spectra (a) and curve fitting spectra of rice seeds (b) in the range of 1 800~1 600 cm-1
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Table 1. Auto-peaks of two-dimensional correlation infrared spectra of rice seeds at different germination times in the range of 814~1 000 cm-1
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Table 2. Auto-peaks of two-dimensional correlation infrared spectra of rice seeds at different germination times in the range of 1 028~1 340 cm-1
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Table 3. Percentage of characteristic peak area of rice seeds on different germination days
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