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Neti Yuliana
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PENGARUH KONSENTRASI GARAM TERHADAP WARNA, TOTAL ASAM DAN TOTAL BAKTERI ASAM LAKTAT PIKEL UBI JALAR UNGU (Ipomoea batatas var Ayamurasaki) SELAMA FERMENTASI Setiawan Setiawan; Neti Yuliana; Sri Setyani
Jurnal Teknologi & Industri Hasil Pertanian Vol 18, No 1 (2013): Jurnal Teknologi & Industri Hasil Pertanian
Publisher : Teknologi Hasil Pertanian Fakultas Pertanian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (589.585 KB) | DOI: 10.23960/jtihp.v18i1.42 - 51

Abstract

The objective of this research was to investigate the influence of salt concentration during fermentation towards color stability of purple swee tpotato pickle. This experiment was arranged as a factorial design in completely randomized group design with two factors and three replications. The first factor was salt concentration (G) consisted of four levels: 3%, 6%, 9%, and 12%. The second factor was the fermentation duration (H) consisted of five levels; 0, 3, 6, 9, and 12 days. Data were analyzed using ANOVA further tested using polynomial orthogonal test at 1% and 5% level of significance. The results showed that the salt concentration and fermentation duration influenced total acid, pH and color stability. The best product was resulted from treatment of 3% salt concentration and 12 days fermentation duration with the characteristic as follows: total lactate acid bacteria (0.3 x 104 colony/mL), 1.6% total acid and the stable color score 4 (pink). Keywords: fermentation, pickle, purple sweet potato, salt
Co-Authors Setiawan Setiawan Sri Setyani