Effects of ultrasound pretreatm in soaking on physico- chemical properties of two Iranian rice variety | ||
| مهندسی بیوسیستم ایران | ||
| Article 14, Volume 47, Issue 1, May 2016, Pages 127-138 PDF (637.41 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.22059/ijbse.2016.58485 | ||
| Authors | ||
| Hakimeh Ghanoon neirizi; mohammad Aboonajmi* ; Sara Movahhed | ||
| Abstract | ||
| In this research,the effect of power ultrasound (20 kHz ,800 and 1000W) at 20.40 and 60 minutes on physico-chemical properties of two rice varieties Tarom and Neda was investigated and by the soaking method in controlled temperature (47°C) compared. Results showed the maximum amount of water absorption of rice, observed at 60 minutes ultrasound treatment (1000W) and the lowest was observed in control treatment of 20 minutes soaking,The highest rate of TDS and EC was observed in rice Tarom and Maximum TDS and EC was observed at 60 minutes sonication(800 W) while the lowest was at 20 minutes soaking treatment.The most amount of the rice length was observed in the Neda variety for 20 minutes of ultrasound treatment (1000 watts). Results of this research showed the pre-treatment of rice using ultrasound method compared to the conventional method is effective in soaking rice. | ||
| Keywords | ||
| Power ultrasound; rice; Water absorption; TDS; EC | ||
| References | ||
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