Research Article

Effect of Microwave Cooking on Quality of Riceberry Rice (Oryza sativa L.)

Table 4

Chemical composition of the Riceberry rice grain (Oryza sativa L.) and the cooked rice from conventional cooking and microwave cooking.

SampleAsh content (% db)Fat (% db)Fiber (% db)Protein (% db)Carbohydrate (% db)Total starch (% in db)Estimated GI

Raw riceberry rice grain1.48 ± 0.02a3.27 ± 0.02a2.46 ± 0.04a12.31 ± 0.03a72.89 ± 0.03d
EC31.44 ± 0.01a3.30 ± 0.03a2.29 ± 0.07a11.11 ± 0.07b78.23 ± 0.18a75.27 ± 1.84a73.00 ± 0.04a
L-MC21.47 ± 0.02a3.23 ± 0.03a2.44 ± 0.16a12.03 ± 0.30a76.91 ± 0.16c74.27 ± 1.26a73.11 ± 0.43a
M-MC21.45 ± 0.00a3.22 ± 0.04a2.32 ± 0.09a12.11 ± 0.26a77.56 ± 0.24b75.29 ± 0.84a73.01 ± 0.29a
H-MC21.47 ± 0.01a3.06 ± 0.10b2.32 ± 0.09a12.01 ± 0.04a77.48 ± 0.13b75.90 ± 0.75a73.01 ± 0.83a

Data expressed as mean ± standard deviation in triplicate; a-ddifferent superscript letters indicate a significant () difference. EC: conventional cooking using an electric rice cooker, L-MC: microwave cooking using low power level, M-MC: microwave cooking using medium power level, and H-MC: microwave cooking using high power level. 1: low water ratio, 2: medium water ratio, and 3: high water ratio.