Unravelling the antifungal and anti-aflatoxin B1 mechanism of chitosan nanocomposite incorporated with Foeniculum vulgare essential oil

被引：39
作者：
Kumar, Akshay [1 ]
Singh, Prem Pratap [1 ]
Prakash, Bhanu [1 ]
机构：
[1] Banaras Hindu Univ, Ctr Adv Study Bot, Inst Sci, Varanasi 221005, Uttar Pradesh, India
来源：
CARBOHYDRATE POLYMERS | 2020年 / 236卷
关键词：
Antifungal; Chitosan nanocomposite; Eessential oil; Foeniculum vulgare; Mode of action; PLANT ESSENTIAL OILS; L. ESSENTIAL OIL; ANTIMICROBIAL ACTIVITY; OXIDATIVE STRESS; NANOENCAPSULATION; STABILITY; MODE; NANOPARTICLES; CONTAMINATION; ENCAPSULATION;
D O I：
10.1016/j.carbpol.2020.116050
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The study reports the antifungal and aflatoxin B-1 inhibitory efficacy of chemically characterized chitosan-based nanoencapsulated Foeniculum vulgare Mill. essential oil (Ne-FvEO), and its effect on sensory and nutritional properties of Sorghum bicolor. The Ne-FvEO was characterized through SEM, FTIR and XRD. The Ne-FvEO demonstrated superior antifungal (0.4 mu l/ml) and aflatoxin B-1 inhibitory (0.3 mu l/ml) performance than the free FvEO. The biochemical studies reveal the significant alteration in ergosterol content, ions leakage, mitochondrial membrane potential, C-sources utilization and antioxidant defense system in A. flavus exposed to Ne-FvEO. The 3D modeling of the Nor-1 gene product was done using the I-TASSER server and validated by the Ramachandran plot. The in-situ result reveals that the Ne-FvEO significantly preserved the nutritional and sensory characteristics of S. bicolor seeds. Therefore, Ne-FvEO could be used as a green preservative agent to enhance the shelf-life of the food commodities.
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页数：12
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