Optimisation of the dielectric barrier discharge to produce Riceberry rice flour retained with high activities of bioactive compounds using plasma technology

Settapramote N., . and Laokuldilok T., . and Boonyawan D., . and Utama-ang N., . Optimisation of the dielectric barrier discharge to produce Riceberry rice flour retained with high activities of bioactive compounds using plasma technology. pp. 386-392. ISSN 22317546

Riceberry rice is a hybrid rice that contains polyphenol compounds anthocyanin and high antioxidants. Plasma technology has been used to improve the quality of rice and rice flour. Some conditions of the plasma process can be altered to get the combination that can achieve maximum result. The present work aimed to identify the optimal combination of a plasma treatment condition by varying three variables: time (3 - 10 min) power (140 - 180 W) and oxygen flow rate (0.0 - 0.8 L/min) in improving the nutrient and antioxidant agent of Riceberry rice flour. The increase in time and power significantly increased the percenatge of the scavenging ability of the free radical 2 2-diphenyl-1-picrylhydrazyl (DPPH) peonidin 3-glucoside cyanidin 3-glucoside and total anthocyanin; while the decrease in oxygen significantly decreased all the parameters analysed. The optimal plasma conditions were 7.87 min 166 W and 0.64 L/min of oxygen flow rate. Under this condition the Riceberry rice flour consisted of 65.05 scavenging ability of DPPH peonidin 3-glucoside of 45.21 mg/100 g cyanidin 3-glucoside of 179.6 mg/100 g and total anthocyanin of 225.81 mg/100 g. Finally the plasma technique can improve the antioxidant activity and anthocyanin of Riceberry rice flour.

Full text available from: Official URL: http://www.ifrj.upm.edu.my/28%20(02)%202021/20%20-...

Abstract

Riceberry rice is a hybrid rice that contains polyphenol compounds anthocyanin and high antioxidants. Plasma technology has been used to improve the quality of rice and rice flour. Some conditions of the plasma process can be altered to get the combination that can achieve maximum result. The present work aimed to identify the optimal combination of a plasma treatment condition by varying three variables: time (3 - 10 min) power (140 - 180 W) and oxygen flow rate (0.0 - 0.8 L/min) in improving the nutrient and antioxidant agent of Riceberry rice flour. The increase in time and power significantly increased the percenatge of the scavenging ability of the free radical 2 2-diphenyl-1-picrylhydrazyl (DPPH) peonidin 3-glucoside cyanidin 3-glucoside and total anthocyanin; while the decrease in oxygen significantly decreased all the parameters analysed. The optimal plasma conditions were 7.87 min 166 W and 0.64 L/min of oxygen flow rate. Under this condition the Riceberry rice flour consisted of 65.05 scavenging ability of DPPH peonidin 3-glucoside of 45.21 mg/100 g cyanidin 3-glucoside of 179.6 mg/100 g and total anthocyanin of 225.81 mg/100 g. Finally the plasma technique can improve the antioxidant activity and anthocyanin of Riceberry rice flour.

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Item Type:	Article
AGROVOC Term:	Rice flour
AGROVOC Term:	Dielectric properties
AGROVOC Term:	Sampling
AGROVOC Term:	analysis
AGROVOC Term:	Antioxidants
Depositing User:	Mr. AFANDI ABDUL MALEK
Last Modified:	24 Apr 2025 00:55
URI:	http://webagris.upm.edu.my/id/eprint/9880

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