Effect of electron beam irradiation treatment on the <i>in vitro</i> digestibility and structure of egg white protein powder

Mengling HUANG; Yun LIU

doi:10.11889/j.1000-3436.2022-0051

Journal of Radiation Research and Radiation Processing, Volume. 40, Issue 5, 050401(2022)

Effect of electron beam irradiation treatment on the in vitro digestibility and structure of egg white protein powder

Mengling HUANG and Yun LIU^*

Author Affiliations

College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China

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Figures & Tables(5)

Fig. 1. Effect of EBI pretreatment with different doses on in vitro digestibility of EWP

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Fig. 2. Effects of EBI pretreatment with different doses on surface hydrophobicity of EWP digested solution (color online)

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Fig. 3. SDS-PAGE of EWP digestion solution at different EBI doses. M represents marker; 0，1，2，3，4 represents EWP digestion solution at 0 kGy, 5 kGy, 10 kGy, 50 kGy, and 100 kGy EBI doses, respectively

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Table 1. Effects of EBI pretreatmnet with different doses on antioxidant ability of EWP digestibility solution

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Table 1. Effects of EBI pretreatmnet with different doses on antioxidant ability of EWP digestibility solution

吸收剂量 / kGy Absorbed dose	•OH清除能力 / % •OH radical scavenging activity	ABTS•^＋清除能力 / % ABTS•⁺ radical scavenging activity	Fe²⁺螯合能力 / % Fe²⁺ chelation ability
0	41.38±0.20^d	86.57±0.36	84.36±0.13
5	30.76±0.99^f	82.91±0.14	83.56±0.13
10	32.86±0.19^ef	80.76±0.14	77.73±0.13
20	41.22±0.82^d	87.08±0.26	82.06±0.22
30	43.26±0.30^c	84.50±0.13	81.54±0.13
50	47.95±0.04^a	83.45±0.13	76.26±0.14
70	46.16±0.02^b	85.01±0.14	81.54±0.14
100	39.94±0.02^de	84.05±0.14	83.59±0.13

Table 2. Effects of EBI pretreatment with different doses on the secondary structure of EWP

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Table 2. Effects of EBI pretreatment with different doses on the secondary structure of EWP

吸收剂量 / kGy Absorbed dose	α-螺旋 / % α-Helix	β-折叠 / % β-Sheet	β-转角 / % β-Turn	无规则卷曲 / % Random coil
0	5.44	32.07	15.32	47.18
5	7.38	30.90	14.26	47.46
10	6.23	31.36	15.78	46.63
20	2.38	37.85	14.45	45.32
30	3.64	37.30	14.33	44.72
50	5.20	32.98	14.34	47.49
70	6.50	30.78	14.86	47.85
100	7.70	29.96	15.18	47.15

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Mengling HUANG, Yun LIU. Effect of electron beam irradiation treatment on the in vitro digestibility and structure of egg white protein powder[J]. Journal of Radiation Research and Radiation Processing, 2022, 40(5): 050401

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Paper Information

Category: Research Articles

Received: May. 8, 2022

Accepted: May. 24, 2022

Published Online: Nov. 3, 2022

The Author Email: LIU Yun (liuyun@mail.buct.edu.cn)

DOI:10.11889/j.1000-3436.2022-0051

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Effects of EBI pretreatmnet with different doses on antioxidant ability of EWP digestibility solution

Table 1. Effects of EBI pretreatmnet with different doses on antioxidant ability of EWP digestibility solution

Table 2. Effects of EBI pretreatment with different doses on the secondary structure of EWP

Table 2. Effects of EBI pretreatment with different doses on the secondary structure of EWP

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