Biotechnology Bulletin ›› 2021, Vol. 37 ›› Issue (12): 22-28.doi: 10.13560/j.cnki.biotech.bull.1985.2020-1395
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WU Ya(), LIU Yi, SHU Tong, WANG Hui-hui, LI Pan-deng, YANG Ying, YU Long-jiang()
Received:
2020-11-17
Online:
2021-12-26
Published:
2022-01-19
Contact:
YU Long-jiang
E-mail:17363392860@163.com;yulongjiang@hust.edu.cn
WU Ya, LIU Yi, SHU Tong, WANG Hui-hui, LI Pan-deng, YANG Ying, YU Long-jiang. Analysis on the Dynamic Process of Bacillus ramie Degumming[J]. Biotechnology Bulletin, 2021, 37(12): 22-28.
化学成分Chemical component | 含量Content/% |
---|---|
纤维素Cellulose | 73.75±0.12 |
半纤维素Hemicellulose | 13.87±0.06 |
果胶Pectin | 4.27±0.03 |
水溶物Water-soluble substance | 5.58±0.02 |
脂蜡质Fat waxy | 1.58±0.02 |
木质素Lignin | 0.95±0.01 |
Table 1 Chemical composition of raw ramie fiber
化学成分Chemical component | 含量Content/% |
---|---|
纤维素Cellulose | 73.75±0.12 |
半纤维素Hemicellulose | 13.87±0.06 |
果胶Pectin | 4.27±0.03 |
水溶物Water-soluble substance | 5.58±0.02 |
脂蜡质Fat waxy | 1.58±0.02 |
木质素Lignin | 0.95±0.01 |
Fig. 5 Appearance of ramie at different periods during the biological degumming process of ramie fiber A:Raw ramie fiber; B:4 h ramie fiber degummed; C:8 h ramie fiber degummed;D:12 h ramie fiber degummed; E:16 h ramie fiber degummed; F:refined ramie fiber hemp
脱胶时间 Degumming time/h | 色泽 Colour and lustre | 柔软程度 The degree of soft | 硬条 Hard strip | 硬块 Gelosis | 夹生 Rawish | 碎麻 Shredded ramie | 斑疵 Blemishes |
---|---|---|---|---|---|---|---|
0 | 黄褐色 | 硬 | 较多 | 较多 | 多 | 多 | 多 |
4 | 黄色 | 较硬 | 较多 | 较多 | 多 | 较多 | 较多 |
8 | 青色 | 适中 | 较多 | 较多 | 较多 | 较多 | 较多 |
12 | 黄白色 | 较软 | 较少 | 较少 | 较多 | 较少 | 较少 |
16 | 黄白色 | 较软 | 较少 | 较少 | 较多 | 少 | 少 |
精干麻 | 白色 | 柔软 | 无 | 无 | 无 | 无 | 无 |
Table 2 Appearance evaluation of ramie at different periods during the biological degumming process of ramie fiber
脱胶时间 Degumming time/h | 色泽 Colour and lustre | 柔软程度 The degree of soft | 硬条 Hard strip | 硬块 Gelosis | 夹生 Rawish | 碎麻 Shredded ramie | 斑疵 Blemishes |
---|---|---|---|---|---|---|---|
0 | 黄褐色 | 硬 | 较多 | 较多 | 多 | 多 | 多 |
4 | 黄色 | 较硬 | 较多 | 较多 | 多 | 较多 | 较多 |
8 | 青色 | 适中 | 较多 | 较多 | 较多 | 较多 | 较多 |
12 | 黄白色 | 较软 | 较少 | 较少 | 较多 | 较少 | 较少 |
16 | 黄白色 | 较软 | 较少 | 较少 | 较多 | 少 | 少 |
精干麻 | 白色 | 柔软 | 无 | 无 | 无 | 无 | 无 |
Fig. 6 Scanning electron microscope observation of ramie at different periods during the biological degumming process of ramie fiber A:raw ramie fiber; B:4 h ramie fiber degummed; C:8 h ramie fiber degummed;D:12 h ramie fiber degummed; E:16 h ramie fiber degummed(Magnified 1 200 times)
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