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description Journal article public Pro Food

Pengaruh Penambahan Hidrokoloid Lambda Karagenan terhadap Mutu Mikrobiologis Roti Selama Penyimpanan

Moegiratul Amaro, Mutia Devi Ariyana, Wiharyani Werdiningsih, Baiq Rien Handayani, Nazaruddin Nazaruddin, 1 more
Published 2018

Abstract

The purpose of this study was to examine the effect of lambda carragenan addition as a natural food additive alternative to bread to improve microbiological quality and prolong the shelf life. The method used in this study was completely randomized design (CRD) with 7 days of storage at room temperature as treatment and repeated three times. Observed parameters was moisture content, total microbes, total fungi and total E.coli. The concentration of lambda carragenan used was 0.4%. The observed data of water content was analyzed using Co-stat software with 5% significance Differences. If there was a real difference, then tested continued using Honestly Significance Differences (HSD) at level 5%. Microbiological quality observation data (total microbes, total fungi and total coliform) were analyzed descriptively. The results showed that the storage of bread with the addition of 0.4% lambda carrageenan caused the bread to last for 4 days of storage. Water content of bread decreased during 7 days storage. The microbiological quality of bread indicates that the storage of bread for 4 days was still acceptable in accordance with Indonesian National Standard (SNI) with total microbial 8.556 log cfu / ml, total mushroom 4,255 log cfu / ml, and amount of E.coli as much as <2,398 cfu / ml . The types of fungi that grow on bread with the addition of lambda carrageenan wer Aspergillus Niger and Aspergillus flavus.

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