Effects of electron beam irradiation pretreatment on the structure and enzymatic efficiency of <i>Phragmites australis</i> lignocelluloses with different moisture contents

Liang CHEN; Xiaofen WU; Hui QI; Yong ZHANG; An LIU; Danyang WANG; Ming DENG; Keqin WANG

doi:10.11889/j.1000-3436.2022-0105

Journal of Radiation Research and Radiation Processing, Volume. 41, Issue 2, 020401(2023)

Effects of electron beam irradiation pretreatment on the structure and enzymatic efficiency of Phragmites australis lignocelluloses with different moisture contents

Liang CHEN1... Xiaofen WU1, Hui QI1, Yong ZHANG1, An LIU1, Danyang WANG2, Ming DENG1 and Keqin WANG1,* |Show fewer author(s)

Author Affiliations

¹Hunan Institute of Nuclear Agricultural Science and Space Mutation Breeding, Hunan Academy of Agricultural Sciences/Hunan Province Engineering Technology Research Center of Agricultural Biological Irradiation, Changsha 410125, China

²Longping Branch, Graduate School of Hunan University, Changsha 410125, China

show less

Abstract Get PDF(in Chinese)

Figures & Tables(6)

Fig. 1. SEM of PAL with different moisture content after irradiation: (a) moisture content 5%, adsorbed dose 500 kGy; (b) moisture content 10%, adsorbed dose 500 kGy; (c) moisture content 50%, adsorbed dose 500 kGy; (d) moisture content 5%, adsorbed dose 1 000 kGy; (e) moisture content 10%, adsorbed dose 1 000 kGy; (f) moisture content 50%, adsorbed dose 1 000 kGy

Download full size

View in Article

Fig. 2. FTIR of PAL with different moisture content before and after irradiation : (a) FTIR spectra of PAL before and after 500 kGy electron beam irradiation; (b) FTIR difference spectra of PAL before and after 500 kGy electron beam irradiation; (c) FTIR spectra of PAL before and after 1 000 kGy electron beam irradiation; (d) FTIR difference spectra of PAL before and after 1 000 kGy electron beam irradiation

Download full size

View in Article

Fig. 3. Particle size distribution of PAL with different moisture after electron beam irradiation: (a) particle size distribution after 500 kGy electron beam irradiation;(b) difference analysis of particle size distribution after 500 kGy electron beam irradiation;(c)particle size distribution after 1 000 kGy electron beam irradiation;(d) difference analysis of particle size distribution after 1 000 kGy electron beam irradiation

Download full size

View in Article

Fig. 4. Enzymatic efficiency after electron beam irradiation of PAL with different moisture: (a) conversion of cellulose after 500 kGy electron beam irradiation; (b) hemicellulose conversion after 500 kGy electron beam irradiation; (c) conversion of cellulose after1 000 kGy electron beam irradiation; (d) hemicellulose conversion after 1 000 kGy electron beam irradiation

Download full size

View in Article

Table 1. Changes in chemical composition of PAL before and after irradiation

View table

View in Article

Table 1. Changes in chemical composition of PAL before and after irradiation

剂量 / kGy Dose	水分/ % Moisture	水溶性组 / % Water soluble components	水溶性低聚糖 / (mg·g^-1) Soluble oligosaccharide		水溶性总糖 / (mg·g^-1) Soluble total carbohydrate	纤维素 / % Cellulose	半纤维素 / % Xylan	木质素 / % Lignin
剂量 / kGy Dose	水分/ % Moisture	水溶性组 / % Water soluble components	葡聚糖 Glucan	木聚糖 Xylan	水溶性总糖 / (mg·g^-1) Soluble total carbohydrate	纤维素 / % Cellulose	半纤维素 / % Xylan	木质素 / % Lignin
0	10	3.26±0.16f	0.49±0.06e	3.07±0.02e	3.56±0.08e	39.42±0.22a	16.24±0.12a	24.13±1.73a
500	5	7.48±0.15c	4.47±0.23c	13.29±0.53c	17.76±0.75c	35.86±0.15c	13.75±0.14d	24.00±2.37a
500	10	6.26±0.05d	3.47±0.17cd	13.03±0.47c	16.50±0.64c	37.57±0.11b	14.12±0.04c	24.23±2.46a
500	50	4.29±0.33e	2.60±0.31d	9.41±0.10d	12.00±1.31d	37.87±0.47b	14.45±0.10c	24.74±2.24a
1000	5	12.74±0.22a	13.58±0.60a	28.08±1.46a	41.66±2.06a	32.90±0.14de	11.87±0.02d	24.89±0.30a
1000	10	12.00±0.84a	12.56±0.01a	27.83±0.33a	40.39±0.32a	33.53±0.62d	11.57±0.26d	24.91±0.03a
1000	50	10.72±0.10b	11.05±1.24b	21.25±2.56b	32.30±3.80b	32.44±0.05e	10.93±0.05e	23.50±1.76a

Table 2. Differential analysis of the enzymatic efficiency of PAL with different moisture

View table

View in Article

Table 2. Differential analysis of the enzymatic efficiency of PAL with different moisture

剂量 / kGy Dose	水分 / % Moisture	纤维素酶解率 / % Hydrolysis conversion of cellulose	半纤维素酶解率 / % Hydrolysis conversion of hemicelluloses
0	10	5.70± 0.28d	0.44±0.18f
500	5	22.24±1.78c	25.04±1.92d
500	10	19.76±0.06c	23.84±0.05de
500	50	18.57±0.68c	19.56±0.74e
1 000	5	54.09±1.16a	62.30±1.47a
1 000	10	47.27±3.40b	53.25±3.92b
1 000	50	49.24±2.79b	47.83±2.78c

Tools

Get Citation

Copy Citation Text

Liang CHEN, Xiaofen WU, Hui QI, Yong ZHANG, An LIU, Danyang WANG, Ming DENG, Keqin WANG. Effects of electron beam irradiation pretreatment on the structure and enzymatic efficiency of Phragmites australis lignocelluloses with different moisture contents[J]. Journal of Radiation Research and Radiation Processing, 2023, 41(2): 020401

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites