Home Journals Articles Updates About
CN
image
收藏切换
Antioxidant Activity and Stability of Calcium Ion-induced Assembled Walnut Protein Hydrolysates
收藏切换
PDF
Yifan WANG1, Dechun CHEN1, Zilin WANG1, Haifen JIANG1, Yongmei MA2, Liang TAO*, 1, 3, 4, Yang TIAN*, 1, 3, 4
Science and Technology of Food Industry | 2026, 47(9) : 430 - 438
Less
收藏切换
Science and Technology of Food Industry | 2026, 47(9): 430-438
• Nutrition and Healthcare •
Antioxidant Activity and Stability of Calcium Ion-induced Assembled Walnut Protein Hydrolysates
Full
Yifan WANG1, Dechun CHEN1, Zilin WANG1, Haifen JIANG1, Yongmei MA2, Liang TAO*, 1, 3, 4, Yang TIAN*, 1, 3, 4
Affiliations
  • 1.College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, China
  • 2.Yunnan Agricultural University Employment and Innovation Guidance Service Center, Kunming 650201, China
  • 3.Engineering Research Center for Development and Utilization of Chinese Food and Drug Resources, Ministry of Education, Kunming 650201, China
  • 4.Yunnan Engineering Research Center for Chinese Medicine and Food, Kunming 650201, China
Published: 2026-05-01 doi: 10.13386/j.issn1002-0306.2025060041
Outline
收藏切换

This study investigated the antioxidant activity and stability of walnut peptide-metal chelates using walnut peptides (WP, Mw<1 kDa) as raw material. The antioxidant capacity of WP chelates with different metal ions prepared by coordination was systematically evaluated, followed by screening of optimal-activity chelates and comprehensive assessment of their antioxidant capacity and stability. Molecular docking was employed to identify the peptide segment exhibiting the strongest antioxidant capacity within walnut peptides and elucidate its specific binding interactions. Results showed that the walnut peptide-calcium chelates (WP-Ca) exhibited significantly enhanced antioxidant activity（P<0.05）, achieving 74.00%±0.54% DPPH and 85.27%±0.67% ABTS+ radical scavenging rates, surpassing other metal-ion chelates. WP-Ca also maintained high stability across various pH, temperatures, and simulated gastrointestinal digestion. Molecular docking identified NALVAPHY as the optimal peptide for DPPH chelation, with its antioxidant activity mediated by electrostatic interactions and hydrogen bonding with DPPH. This study provides theoretical support for valorizing walnut processing by-products and advances the development of novel metal-chelated peptide antioxidants, with particular implications for functional foods and nutraceuticals.

walnut peptides (WP)  /  walnut peptides-metal ion chelates  /  antioxidant activity  /  stability  /  molecular docking
Yifan WANG, Dechun CHEN, Zilin WANG, Haifen JIANG, Yongmei MA, Liang TAO, Yang TIAN. Antioxidant Activity and Stability of Calcium Ion-induced Assembled Walnut Protein Hydrolysates[J]. Science and Technology of Food Industry, 2026 , 47 (9) : 430 -438 . DOI: 10.13386/j.issn1002-0306.2025060041
Appendix
Less
Year 2026 volume 47 Issue 9
PDF
67
31
Cite this Article
BibTeX
Article Info
doi: 10.13386/j.issn1002-0306.2025060041
  • Receive Date：2025-06-05
  • Online Date：2026-05-13
  • Published：2026-05-01
Article Data
Affiliations
History
  • Received：2025-06-05
Affiliations
    1.College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, China
    2.Yunnan Agricultural University Employment and Innovation Guidance Service Center, Kunming 650201, China
    3.Engineering Research Center for Development and Utilization of Chinese Food and Drug Resources, Ministry of Education, Kunming 650201, China
    4.Yunnan Engineering Research Center for Chinese Medicine and Food, Kunming 650201, China
References
Share
https://castjournals.cast.org.cn/joweb/spgykj/EN/10.13386/j.issn1002-0306.2025060041
Share to
QR

Scan QR to access full text

Cite this article
BibTeX
Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
关闭全屏
  • BibTeX
  • EndNote
  • RefWorks
  • TxT
Links
Articles
Latest Articles
Most Read
Collections
Updates
Events
News
Multimedia
About
About Us
Contact
No. 86 Xueyuan South Road, Haidian District, Beijing
100081
010-62199257
qkjq@cast.org.cn

Copyright © 2025 China Association for Science and Technology. All rights reserved. For all open access content, the relevant licensing terms apply.
Sponsored by the Office of the Leading Group for Cybersecurity and Informatization of CAST, and supported by Science and Technology Review Publishing House