Antibacterial mechanisms of star anise essential oil microcapsules encapsulated by rice protein-depolymerized pectin electrostatic complexation and its application in crab meatballs

被引：32
作者：
Zhang, Lihui [1 ,2 ]
Zhang, Min [1 ,4 ,7 ]
Ju, Ronghua [3 ]
Bhandari, Bhesh [5 ]
Liu, Kun [6 ]
机构：
[1] Jiangnan Univ, Sch Food Sci & Technol, State Key Lab Food Sci & Technol, Wuxi 214122, Jiangsu, Peoples R China
[2] Jiangnan Univ, Jiangsu Prov Int Joint Lab Fresh Food Smart Proc &, Wuxi 214122, Jiangsu, Peoples R China
[3] Nanjing Forestry Univ, Agr & Forestry Prod Deep Proc Technol & Equipment, Nanjing 210037, Jiangsu, Peoples R China
[4] Jiangnan Univ, China Gen Chamber Commerce Key Lab Fresh Food Proc, Wuxi 214122, Jiangsu, Peoples R China
[5] Univ Queensland, Sch Agr & Food Sci, Brisbane, Qld, Australia
[6] Sichuan Tianwei Food Grp Co Ltd, Chengdu 610000, Peoples R China
[7] Jiangnan Univ, State Key Lab Food Sci & Technol, Wuxi 214122, Jiangsu, Peoples R China
来源：
INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY | 2023年 / 384卷
关键词：
Depolymerized pectin; Rice protein; Star anise essential oil; Microencapsulation; Antibacterial activity; CINNAMON ESSENTIAL OIL; HIGH-METHOXYL PECTIN; ANTIMICROBIAL ACTIVITY; RELEASE; ALGINATE; MICROENCAPSULATION; CYCLODEXTRINS; RETENTION; CARVACROL; QUALITY;
D O I：
10.1016/j.ijfoodmicro.2022.109963
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
A mixed solid matrix of the depolymerized pectin (DP) and rice protein (RP) were investigated to improve the antibacterial activity of star anise essential oil (SAEO) through microencapsulation. The encapsulation was undertaken via electrostatic complexation method followed by spray drying. Under the optimized conditions, SAEO microcapsules with 92.2 % encapsulation efficiency was acquired at 3:2 of DP-to-RP, 1:3 of DP-to-SAEO and pH 4.0. DP-RP/SAEO microcapsules exhibited a spherical-shaped particle with smaller particle size, and sustained release. FTIR and morphology analysis confirmed that SAEO was successfully encapsulated in the solid matrix of microcapsules. DP-RP/SAEO microcapsules caused the destruction of cytomembranes and reduction of membrane proteins, which led to the alteration of cell membrane fluidity and integrity. Meanwhile, DP-RP/SAEO microcapsules repressed the key enzyme in tricarboxylic acid (TCA) and Hexose monophosphate pathway (HMP) cycle pathway of E. coli, S. aureus. The application experiments indicated DP-RP/SAEO microcapsules can effectively control the growth of E. coli and S. aureus in crab meatballs.
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页数：12
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