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http://dx.doi.org/10.3746/jkfn.2007.36.5.636

Effect of Germination Time and Extrusion Temperature on Properties of Germinated Brown Rice  

Kim, Mi-Hwan (Dept. of Food Science and Technology, Konyju National University)
Tungjaroenchai, Wanna (Faculty of Agricultural Industry, KMITL)
Ryu, Gi-Hyung (Dept. of Food Science and Technology, Konyju National University)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.36, no.5, 2007 , pp. 636-642 More about this Journal
Abstract
In order to develop a novel food utilization of germinated brown rice, physicochemical properties of germinated brown rice and its extrudates were investigated. The physical characteristics, the paste viscosity, and the anti-oxidation activity were analyzed. Brown rice was soaked for 10 hr and germinated for 24 and 48 hr at $30^{\circ}C$. Extrusion conditions of brown rice and germinated brown rice were barrel temperature at 100 and $120^{\circ}C$ and moisture content at 20%. The expansion ratio increased with the increase in germination time. It increased at barrel temperature of $100^{\circ}C$, and decreased at $120^{\circ}C$. The bulk density showed negative corporations with the expansion ratio. The paste viscosity of germinated brown rice was decreased with the increase in the germination time. However the paste viscosity of extrudates was lower as barrel temperature increased. Content of polyphenolic compound in extrudates was increased by increasing germination time and barrel temperature.
Keywords
germinated brown rice; extrusion; anti-oxidation activity;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 2
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1 Kim SN, Son YK, Son JR, Hur HS. 2001. Effect of germination condition and drying methods on physicochemical properties of sprouted brown rice. Korean J Crop Sci 46: 221-228   과학기술학회마을
2 Deffenbaugh LB, Walker CE. 1989. Use of the rapid- visco-analyzer to measure starch pasting properties. Starch/ Starke 41: 461-467   DOI
3 Kim SL, Son YK, Rok J, Hur HS. 2001. Effect of germination condition and drying methods on physicochemical properties of germinated brown rice. Korean J Crop Sci 46: 221-228   과학기술학회마을
4 Oh SS. 2002. Study on nutritional properties of sprouting brown rice. MS Thesis. Kongju National University, Gongju, Korea
5 Perretti G, Miniati E, Montanari L, Fantozzi P. 2003. Improving the value of rice by-products by SFE. J Supercrit Fluids 26: 63-71   DOI   ScienceOn
6 Yuji Y, Keitaro S, Hiroshi O, Tomoya O, Katsuhiko H, Kenichi O. 2004. Preparation of co-extruded flours using germinated brown rice and barley and its antihypertensive effect. Nippon Shokuhin Kagaku Kogaku Kaishi 51: 592- 603   DOI   ScienceOn
7 Juliano BO, Bechtel DB. 1985. Rice Chemistry and Technology. The American Association of Cereal Chemists, Inc., Minnesota. p 17-58
8 Lee HJ, Byun SM, Kim HS. 1988. Studies of the dietary fiber of brown rice and milled rice. Korean J Food Sci Technol 20: 576-580   과학기술학회마을
9 Kum JS, Choi SK, Lee HY, Park JD, Park HJ. 2004. Physicochemical properties of germinated brown rice. Korean J Food Preserv 11: 182-188   과학기술학회마을
10 Jang SS. 1988. Method of germinating with brown rice. Korea Patent No. 1988- 0247686
11 Anderson RA, Conway HF, Pfeifer VF, Griffin EL. 1969. Gelatinization of corn grits by roll and extrusion-cooking. Cereal Sci Today 14: 4-7, 11-12
12 Miller GL. 1959. Use of dinitrosalicylic acid regent for determination of reducing sugar. Anal Chem 31: 426-428   DOI
13 Deffenbaugh LB, Walker CE. 1989. Comparison of starch pasting properties in the Brabender viscoamylograph and rapid visco-analyzer. Cereal Chem 66: 493-499
14 Tian S, Nakamura K, Cui T, Kayahara H. 2005. High-per- formance liquid chromatographic determination of phenolic compounds in rice. J Chromatogr A 1063: 121-128   DOI   ScienceOn
15 Gutfinger T. 1981. Polyphenols in olive oils. J Am Oil Chem Soc 58: 966-968   DOI
16 Keitaro S, Hiroshi O, Tomoya O, Sumiko N, Ken'ichi O. 2003. Development of a novel food material using germinated brown rice by twin-screw extrusion. Nippon Shokuhin Kagaku Kogaku Kaishi 50: 474-482   DOI   ScienceOn
17 Bhattacharya B, Choudhury GS. 1994. Twin-screw extrusion of rice flour: effect of extruder length-to-diameter ratio and barrel temperature on extrusion parameters and product characteristics. J Food Process Preserv 18: 389-406   DOI   ScienceOn
18 Chinnaswamy R, Hanna MA. 1990. Macromolecular and functional properties of native and extrusion cooked corn starch. Cereal Chem 67: 490-499
19 Jackson DS, Gomez MH, Waniska RD, Rooney LW. 1990. Effects of single-screw extrusion cooking on starch as measured by aqueous high-performance size-exclusion chromatography. Cereal Chem 67: 529-532
20 Wilton CT, Bengera I, Smith OB, Rokey GJ. 1984. Energy aspects in extrusion cooking of starches and flours. In Thermal Processing and Quality of Foods. Zeuthen P, Cheftel JC, Eriksson C, Jul M, Linko P, Vos G, eds. Elsevier Applied Science Publ., London. p 180-184
21 AOAC. 2005. Official Methods of Analysis. 18th ed. Method 925.10. Association of Official Analytical Communities, Arlington, VA, USA
22 Kim DH. 2004. Food Chemistry. Tamgudang, Seoul, Korea. p 416-421
23 EL-Dash AA, Gonsaless R, Ciol M. 1984. Response surface methodology in the control of thermoplastic extrusion of starch. In Extrusion Cooking Technology. Jowitt R, ed. Elsevier Applied Science Publishers, New York. p 51-74