Cyclodextrin carboxylate improves the stability and activity of nisin in a wider range of application conditions

Abstract Nisin is a natural bacteriocin that exhibits good antibacterial activity against Gram-positive bacteria. It has good solubility, stability, and activity under acidic conditions, but it becomes less soluble, stable, and active when the solution pH exceeds 6.0, which severely restricted the i...

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Main Authors: Yao Hu, Kequan Xing, Xiaojing Li, Shangyuan Sang, David Julian McClements, Long Chen, Jie Long, Aiquan Jiao, Xueming Xu, Jinpeng Wang, Zhengyu Jin, Chao Qiu
Format: Article
Language:English
Published: Nature Portfolio 2023-05-01
Series:npj Science of Food
Online Access:https://doi.org/10.1038/s41538-023-00181-7
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author Yao Hu
Kequan Xing
Xiaojing Li
Shangyuan Sang
David Julian McClements
Long Chen
Jie Long
Aiquan Jiao
Xueming Xu
Jinpeng Wang
Zhengyu Jin
Chao Qiu
author_facet Yao Hu
Kequan Xing
Xiaojing Li
Shangyuan Sang
David Julian McClements
Long Chen
Jie Long
Aiquan Jiao
Xueming Xu
Jinpeng Wang
Zhengyu Jin
Chao Qiu
author_sort Yao Hu
collection DOAJ
description Abstract Nisin is a natural bacteriocin that exhibits good antibacterial activity against Gram-positive bacteria. It has good solubility, stability, and activity under acidic conditions, but it becomes less soluble, stable, and active when the solution pH exceeds 6.0, which severely restricted the industrial application range of nisin as antibacterial agent. In this study, we investigated the potential of complexing nisin with a cyclodextrin carboxylate, succinic acid-β-cyclodextrin (SACD), to overcome the disadvantages. Strong hydrogen bonding was shown between the nisin and SACD, promoting the formation of nisin-SACD complexes. These complexes exhibited good solubility under neutral and alkaline conditions, and good stability after being held at high pH values during processing with high-steam sterilization. Moreover, the nisin-SACD complexes displayed significantly improved antibacterial activity against model Gram-positive bacteria (S. aureus). This study shows that complexation can improve the efficacy of nisin under neutral and alkaline situations, which may greatly broaden its application range in food, medical, and other industries.
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spelling doaj.art-ae8a03ff3208422c82051f7cf2cbfd0f2023-05-21T11:28:19ZengNature Portfolionpj Science of Food2396-83702023-05-01711910.1038/s41538-023-00181-7Cyclodextrin carboxylate improves the stability and activity of nisin in a wider range of application conditionsYao Hu0Kequan Xing1Xiaojing Li2Shangyuan Sang3David Julian McClements4Long Chen5Jie Long6Aiquan Jiao7Xueming Xu8Jinpeng Wang9Zhengyu Jin10Chao Qiu11State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan UniversityState Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan UniversityCollege of Light Industry and Food Engineering, Nanjing Forestry UniversityCollege of Food and Pharmaceutical Sciences, Ningbo UniversityDepartment of Food Science, University of MassachusettsState Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan UniversityState Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan UniversityState Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan UniversityState Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan UniversityBeijing Advanced Innovation Center for Food Nutrition and Human Health, China-Canada Joint Lab of Food Nutrition and Health (Beijing), School of Food and Health, Beijing Technology and Business University (BTBU)State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan UniversityState Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan UniversityAbstract Nisin is a natural bacteriocin that exhibits good antibacterial activity against Gram-positive bacteria. It has good solubility, stability, and activity under acidic conditions, but it becomes less soluble, stable, and active when the solution pH exceeds 6.0, which severely restricted the industrial application range of nisin as antibacterial agent. In this study, we investigated the potential of complexing nisin with a cyclodextrin carboxylate, succinic acid-β-cyclodextrin (SACD), to overcome the disadvantages. Strong hydrogen bonding was shown between the nisin and SACD, promoting the formation of nisin-SACD complexes. These complexes exhibited good solubility under neutral and alkaline conditions, and good stability after being held at high pH values during processing with high-steam sterilization. Moreover, the nisin-SACD complexes displayed significantly improved antibacterial activity against model Gram-positive bacteria (S. aureus). This study shows that complexation can improve the efficacy of nisin under neutral and alkaline situations, which may greatly broaden its application range in food, medical, and other industries.https://doi.org/10.1038/s41538-023-00181-7
spellingShingle Yao Hu
Kequan Xing
Xiaojing Li
Shangyuan Sang
David Julian McClements
Long Chen
Jie Long
Aiquan Jiao
Xueming Xu
Jinpeng Wang
Zhengyu Jin
Chao Qiu
Cyclodextrin carboxylate improves the stability and activity of nisin in a wider range of application conditions
npj Science of Food
title Cyclodextrin carboxylate improves the stability and activity of nisin in a wider range of application conditions
title_full Cyclodextrin carboxylate improves the stability and activity of nisin in a wider range of application conditions
title_fullStr Cyclodextrin carboxylate improves the stability and activity of nisin in a wider range of application conditions
title_full_unstemmed Cyclodextrin carboxylate improves the stability and activity of nisin in a wider range of application conditions
title_short Cyclodextrin carboxylate improves the stability and activity of nisin in a wider range of application conditions
title_sort cyclodextrin carboxylate improves the stability and activity of nisin in a wider range of application conditions
url https://doi.org/10.1038/s41538-023-00181-7
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