Effect of adding bacteriocin from Lactobacillus pentosus strain MIL 195 on the quality of chicken sausage as an alternative natural preservative

Author:

Efendi Raswen,Restuhadi Fajar,Hasibuan Ahmad Ibrahim Roni Surya,Lestari Masniar Indah,Rossi Evy

Abstract

One of the preservatives often used in processed meat, such as sausages, is nitrite; however, bacteriocins produced by lactic acid bacteria (LAB) offer a natural concentration of bacteriocin from Lactobacillus pentosus st MIL 195 to use as a natural preservative for chicken sausages. A completely randomized design was employed with five bacteriocin concentrations (0.0%, 0.2%, 0.3%, 0.4%, and 0.5% v/w) and three replications. Parameters analyzed included water content, ash, fat, protein, total LAB count, and sensory characteristics. The results indicated that 0.4% bacteriocin provided the most effective preservation. After nine days, these sausages met SNI-01-3820-2015 quality standards, exhibiting 57.52% water content, 2.54% ash, 15.40% protein, 5.55% fat, and a total microbial count of 5.23 log cfu.g-1. Sensory analysis revealed a grayish-white color, a slightly chicken aroma, a slightly meaty taste, and a chewy texture. Importantly, consumer preference was highest for sausages treated with 0.4% bacteriocin. Bacteriocins can inhibit the growth of spoilage bacteria; therefore, the effect can extend the shelf life of food goods and improve food security.

Publisher

EDP Sciences

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