Physicochemical, Cooking Characteristics and Textural Properties of TOX 3145 Milled Rice

Amaka Odenigbo, Michael Ngadi, Chijioke Ejebe, Noe Woin and Sali Ndindeng

Journal of Food Research, 2014, vol. 3, issue 2

Abstract: Quality of rice is an important criterion for the choice and demand by rice consumers and it is determined by physicochemical parameters. The objective of this research was to screen the physical, gelatinization, cooking and textural properties of an improved rice variety cultivated in Cameroon (TOX 3145). Three differently processed samples of TOX 3145: non-parboiled (NP), traditional parboiled (TP) and IRAD parboiled (IRAD) were involved in this study. The result revealed the grain dimension of samples as long and slender shape. The degree of redness among cooked and uncooked grains varied from -0.8 to -1.0 and 0.3 to 1.5, respectively while yellowness parameter ranged between 0.4 to 4.0 and 7.6 to 8.4, respectively. Lightness parameter (L*) varied from 59.4 to 61.8 in cooked samples. Minimum cooking time among samples was between 17.9-19.7 min. Highest elastic modulus and hardness (43.3 N/mm and 36.8 N, respectively) was found in TP sample. The NP sample had lowest adhesiveness (-0.76 J) and highest gumminess (6.40 J). Water uptake was positively correlated with amylose content (r = 0.84; P < 0.05) and lightness parameter (r = 0.92; P < 0.05).

Keywords: Crop; Production/Industries (search for similar items in EconPapers)
Date: 2014
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