Pulse electric field assisted process for extraction of Jiuzao glutelin extract and its physicochemical properties and biological activities investigation

Yunsong Jiang; Mengzhen Xing; Qiao Kang; Jinyuan Sun; Xin-An Zeng; Wenhong Gao; Hehe Li; Yunhua Gao; Anjun Li

doi:10.1016/j.foodchem.2022.132304

Pulse electric field assisted process for extraction of Jiuzao glutelin extract and its physicochemical properties and biological activities investigation

Food Chem. 2022 Jul 30:383:132304. doi: 10.1016/j.foodchem.2022.132304. Epub 2022 Feb 3.

Authors

Yunsong Jiang¹, Mengzhen Xing², Qiao Kang³, Jinyuan Sun⁴, Xin-An Zeng⁵, Wenhong Gao⁵, Hehe Li³, Yunhua Gao², Anjun Li⁶

Affiliations

¹ Key Laboratory of Brewing Molecular Engineering of China Light Industry, Beijing Technology and Business University, Beijing 100048, China; School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China.
² Key Laboratory of Photochemical Conversion and Optoelectronic Material, Technical Institute of Physics and Chemistry, CAS, Beijing 100190, China.
³ Key Laboratory of Brewing Molecular Engineering of China Light Industry, Beijing Technology and Business University, Beijing 100048, China.
⁴ Key Laboratory of Brewing Molecular Engineering of China Light Industry, Beijing Technology and Business University, Beijing 100048, China. Electronic address: sunjinyuan@btbu.edu.cn.
⁵ School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China.
⁶ Anhui Gujinggongjiu Co. Ltd., Anhui 236000, China.

PMID: 35168047
DOI: 10.1016/j.foodchem.2022.132304

Abstract

Jiuzao is the residue of baijiu distillation. In this study, pulse electric field (PEF) was used to improve the extraction efficiency of Jiuzao glutelin extract (JGE). The species, physicochemical properties, and biological activities of JGE were investigated to expand its utilization. The results showed that after treatment with PEF under optimal conditions (pulse times, 83 in total; strength, 3.26 kV/cm; Jiuzao/distilled water, 3:20), the JGE content increased by 13.81% compared with ultrasound auxiliary extraction. 59.16% of the JGE was identified to be from sorghum. JGE exhibited desirable foaming, foam stability, water and oil holding capacities, and in vitro antioxidant and angiotensin-converting enzyme inhibitory activities (the IC₅₀ value was 0.61 mg/mL). In addition, JGE exhibited high cell compatibility at proper concentrations in Caco-2 and CCD 841 CON cells. Overall, PEF is a potential technique to extract high-quality JGE from Jiuzao due to its high yield, efficiency, and maintenance of JGE bioactivities.

Keywords: Angiotensin converting enzyme inhibitory; Antioxidant activity; Cell biocompatibility; Jiuzao glutelin extract; Physicochemical properties; Pulsed electric filed.

MeSH terms

Antioxidants* / chemistry
Antioxidants* / pharmacology
Caco-2 Cells
Electricity
Glutens*
Humans
Water

Substances

Antioxidants
Water
Glutens