文献类型: 外文期刊
第一作者: Champagne, Elaine T.
作者: Champagne, Elaine T.;Bett-Garber, Karen L.;Grimm, Casey C.;Lea, Jeanne;Fitzgerald, Melissa A.;Resurreccion, Adoracion;Ohtsubo, Ken'ichi;Jongdee, Supanee;Xie, Lihong;Bassinello, Priscila Zaczuk;Ahmad, Rauf;Habibi, Fatemah;Reinke, Russell;Reinke, Russell
作者机构:
关键词: Rice flavor;Rice texture;Rice color;Rice quality;Descriptive sensory analysis;Amylose;Protein
期刊名称:RICE ( 影响因子:4.783; 五年影响因子:5.23 )
ISSN: 1939-8425
年卷期: 2010 年 3 卷 4 期
页码:
收录情况: SCI
摘要: In rice-consuming countries, specific varieties are recognized as premium, "gold standard" varieties, while others are recognized as being superior but second best, despite being identical using the current suite of tools to evaluate quality. The objectives of this study were to determine if there are distinguishable differences in sensory properties of premium and second best varieties and whether these differences are common to premium varieties. Color, an important sensory property, was determined on the raw and cooked rice using a colorimeter. As raw rice, some of the premium varieties were whiter than their second best counterparts while others were not. However, when cooked, with two exceptions, the premium varieties were of the same or greater whiteness than their counterparts. A trained sensory panel employed descriptive sensory analysis, an objective tool, to characterize and analytically measure the flavor (aromatics, taste, mouthfeel) and texture of premium and second best varieties collected from nine rice-consuming countries. Sweet taste, popcorn aroma/flavor, and water-like metallic mouthfeel showed significant differences in intensity between the premium-second best variety pairs. Slickness, roughness, and springiness were the major traits that distinguished the texture of varieties. Quality evaluation programs do not routinely measure these texture and flavor traits, but the fact that they distinguished the varieties in most pairs indicates that their measurement should be added to the suite of grain quality tests in the development of new higher-yielding, stress-tolerant varieties. The incorporation of premium quality will ensure that quality is no impediment to widespread adoption leading to enhanced productivity and food security.
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