Applications of curcumin loaded nanoemulsions in photoinactivation of Aspergillus niger spores

JSFA reports Pub Date : 2023-05-25 DOI:10.1002/jsf2.134

J. Alejandro Arboleda-Murillo, Andres F. Cañon-Ibarra, Leidy T. Sanchez, Magda I. Pinzon, Cristian C. Villa

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Abstract

Background

Aspergillus niger is one of the most common fungal contaminants of food products, leading to several economic losses on fruit, vegetables and other food products during storage. Over the years, several new techniques have been developed to control fungal growth, including photodynamic inactivation, in which excitation of a photosensitizer in the right wavelength leads to ROS production and microbial death.

Results

On this paper, curcumin was used as a natural photosentitizer against A. niger spores. Nanoemulsions were used in order to encapsulated curcumin and increase its water solubility. Results showed that spores inhibition could reach up to 80% after 3 min of irradiation while values for un-encapsulated curcumin were around 30%.

Conclusion

Results presented show that nanoemulsions could be use to enhance the photoinactivation properties of curcumin, against fungal spores from A. niger. This type of process can be use for food decontamination and preservation.

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姜黄素负载纳米乳液在黑曲霉孢子光活化中的应用

背景黑曲霉是食品中最常见的真菌污染物之一，在储存过程中给水果、蔬菜等食品带来了巨大的经济损失。多年来，已经开发了几种控制真菌生长的新技术，包括光动力灭活，其中在合适的波长下激发光敏剂会导致ROS的产生和微生物死亡。结果姜黄素是一种天然的抗黄曲霉的光稳定剂。黑色素孢子。使用纳米乳液来包封姜黄素并增加其水溶性。结果表明，3天后孢子抑制率可达80% 而未包封的姜黄素的值约为30%。结论纳米乳液可提高姜黄素对真菌孢子的光活化性能。尼日尔。这种类型的工艺可以用于食品净化和保存。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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