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Preparation of basil oil nanoemulsion using Sapindus mukorossi pericarp extract: Physico-chemical properties and antifungal activity against food spoilage pathogens

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Title Preparation of basil oil nanoemulsion using Sapindus mukorossi pericarp extract: Physico-chemical properties and antifungal activity against food spoilage pathogens
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Creator Gajanan Gundewadi, Dhruba Jyoti Sarkar, Shalini Gaur Rudra,⁎, Dinesh Singh
 
Subject Basil oil Biosurfactant Nanoemulsion Sapindus CMC Antifungal
 
Description Not Available
Demand for organic chemical-free formulations in food industry for the purpose of food preservation has triggered
exploration of biosurfactants capable of nano-emulsification. Extraction protocol for saponin from fruit
pericarp of Sapindus mukorossi was standardized. Saponin was characterized through FTIR and NMR. Solvents
were found to have significant influence on the critical micelle concentration (CMC). Aqueous extraction yielded
higher CMC (666.67 ppm) over 1:1 water: ethanol (416.67 ppm) and ethanolic extract (370.37 ppm). Aqueous
extract of S. mukorossi (0.4%) was used as biosurfactant for nanoemulsification of basil oil through ultrasonication.
DLS and TEM confirmed its efficacy for nanoemulsification based on droplet size of 37.7 and 57.6 nm
and stability tests. The formulated nanoemulsion was investigated for its antimicrobial activity against common
food spoilage fungi Penicillium chrysogenum and Aspergillus flavus. Basil oil thus nanoemulsified was found to
have higher inhibitory activity (upto 20%) over its coarse emulsion. Formulated nanoemulsion at 1000 ppm was
found to have 64–67% inhibitory activity over these pathogens compared to standard fungicide Carbendazim.
Sapindus mukorossi can thus emerge as potential source of biosurfactant for formulating emulsion based preparations
for food safety.
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Date 2018-10-12T09:57:46Z
2018-10-12T09:57:46Z
2018-08-01
 
Type Article
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/7778
 
Language English
 
Relation Not Available;
 
Publisher ELSEVIER