The effect of ozonation time and contact time of edamame washing on color changes using the continuous type ozone washing method

Yudiastuti, Silvia Oktavia Nur and Wijaya, Rizza and Budiati, Titik (2021) The effect of ozonation time and contact time of edamame washing on color changes using the continuous type ozone washing method. IOP Conference Series: Earth and Environmental Science. ISSN 1755-1315

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Abstract

Quality of edamame is the main requirement in the export trade, one of which is skin color. The washing technique using ozone is expected to replace the use of chlorine in suppressing the microorganism contamination, pesticide residues and maintaining its quality. The ozone time and ozone contact time variations were used in this study using the continuous washing method. The ozonation time consisted of 0.10 and 15 minutes, while the washing contact time consisted of 0, 12, 18, and 24 minutes. Each variation was repeated 3 times to obtain an average result of changes in edamame skin color. The results of the research from the washing contact time and ozone time treatment gave identical results with the treatment without washing.

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