Effect of micro-encapsulated antioxidant formulations on mycobiota, residual levels, sensory analyses and insect pest attack in stored peanuts

International Journal of Food Microbiology
Daiana GarciaMiriam G Etcheverry

Abstract

The in situ effect of microencapsulated 2(3)-tert-butyl-4 hydroxyanisole (BHA) on stored peanuts (Arachis hipogaea) intended for human consumption was evaluated. Peanut were stored unshelled in flexible containers called "big bags" that were made of polypropylene raffia. 100 kg of peanuts were used in each big bag and stored in refrigerated cells (<18 °C) for about 5 months in two different peanut processing companies during 2015/2016 period. Fungal populations, aflatoxin accumulation, BHA residues, acidity and fatty acid profile, sensory analyses, insect damage and environmental factors variation, were evaluated. At the end of the storage period, significant (p < 0.05) fungitoxic effects of the BHA formulation were observed in the order of 30 and 15% for the first and second company, respectively. Cladosporium, yeasts, Penicillium, Fusarium, Alternaria and Aspergillus were the main fungal isolates. No aflatoxins were found for both companies and years evaluated. In addition, taste of the peanuts was not significantly affected (p < 0.05) by formulation used and insect damage was always lower than 3%. However, different levels of BHA were detected throughout the experiment in the two companies, with final levels of 2.5 for the C...Continue Reading

Citations

Sep 23, 2018·Current Treatment Options in Cardiovascular Medicine·Rosalyn O AdigunRekha Mankad

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