Spectroscopy and Spectral Analysis, Volume. 42, Issue 1, 74(2022)
FTIR Spectroscopic Characterization of Material Composition in Leaf of Hevea Brasiliensis Seedlings Under Potassium and Magnesium Deficiency
Figures & Tables(6)
Fig. 1. FTIR spectra of the leaves of rubber seedlings under different treatments (4 000~400 cm-1)
Fig. 2. FTIR spectra of the leaves of rubber seedlings under K deficiency (1 800~900 cm-1)
Fig. 3. FTIR spectra of the leaves of rubber seedlings under Mg deficiency (1 800~900 cm-1)
Fig. 4. FTIR spectra of the leaves of rubber seedlings under both K and Mg deficiency (1 800~900 cm-1)
Table 1. Characteristic peak of FTIR in rubber leaf under different treatment
View tableView in ArticleTable 1. Characteristic peak of FTIR in rubber leaf under different treatment
处理 波数/cm-1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 CK 3 345 2 920 2 851 1 731 1 631 1 554 1 541 1 519 1 451 1 412 1 382 1 318 1 247 1 157 1 102 1 075 1 057 -K 3 354 2 922 2 852 1 731 1 632 - 1 547 - 1 453 1 409 1 379 1 317 1 246 1 158 1 103 - 1 060 -Mg 3 353 2 921 2 851 1 731 1 635 1 560 1 542 1 519 1 453 1 413 1 380 1 317 1 246 1 157 1 104 - 1 068 -K-Mg 3 353 2 920 2 851 1 732 1 631 - 1 546 - 1 452 1 412 1 381 1 317 1 246 1 157 1 101 - 1 058
Table 2. Functional groups of the leaf and the corresponding infrared absorption frequencies
View tableView in ArticleTable 2. Functional groups of the leaf and the corresponding infrared absorption frequencies
顺序 波数/cm-1 主要基团及振动方式 可能来源 1 3 350 O—H, N—H的伸缩振动 蛋白质、 纤维素和半纤维素等碳水化合物 2 2 920 亚甲基—CH2 反对称伸缩 膜脂和细胞壁果胶中常见的酯类化合物 3 2 851 对称伸缩 4 1 731 C=O的伸缩振动 脂类 5 1 631 C=O的伸缩振动 蛋白质酰胺Ⅰ带 6 1 554 C—N的伸缩振动和N—H的弯曲振动 蛋白质酰胺Ⅱ带 7 1 541 8 1 519 苯环骨架振动 酚类物质 9 1 451 C—H弯曲振动 细胞壁多糖 10 1 412 —C—H面内变性振动 酯类化合物 11 1 382 饱和的C—H弯曲振动 膜和胞壁含油脂化合物 12 1 318 —CH2面外摇摆振动 纤维素 13 1 247 苯羟基C—O伸缩振动 木质素 14 1 157 C—O—C的伸缩振动 蛋白质分子氨基酸残基、 纤维素糖苷 15 1 102 C—O的伸缩振动 碳水化合物(醇、 醚基、 或酚) 16 1 075 17 1 057 C—O, —C—C, C—OH 果胶类
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Xin-xin XUE, Wen-bin WANG, Xue-hua LUO, Yong-fa ZHANG, Chun-mei ZHAO. FTIR Spectroscopic Characterization of Material Composition in Leaf of Hevea Brasiliensis Seedlings Under Potassium and Magnesium Deficiency[J]. Spectroscopy and Spectral Analysis, 2022, 42(1): 74
Paper Information
Category: Research Articles
Received: Dec. 25, 2020
Accepted: --
Published Online: Mar. 31, 2022
The Author Email: Xin-xin XUE (xuexinxin_2010@163.cm)
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