大米外观和理化指标在产地溯源的探究  

Geographical Origin Traceability of Rice with Appearance Index and Physicochemical Index

作　　者：吕海峰[1] 钱丽丽[1] 张东杰[1] 

机构地区：[1]黑龙江八一农垦大学食品学院,黑龙江大庆163319

出　　处：《农产品加工》2015年第5期43-45,48,共4页Farm Products Processing

基　　金：黑龙江八一农垦大学研究生创新科研项目(YJSCX2014-Y48);黑龙江省应用技术开发项目(GA14B104);黑龙江省高等学校科技创新团队建设计划项目(2014TD006);"十二.五"农村领域国家科技计划项目(2012BAD34B0205-01)

摘　　要：分析不同地域大米外观和理化指标对大米产地溯源的判别效果,探讨运用大米外观和理化指标指纹分析技术对大米产地鉴别的可行性。以来自查哈阳、建三江和五常的89个样品为研究对象,测定米粒投影面积、米粒长、米粒宽、长宽比、垩白度、垩白粒率、蛋白质含量和直链淀粉含量,对数据进行判别分析,交叉检验产地正确判别率为86.5%。The appearance index and physicoehemical index differences of rice from different regions are analyzed, the aim is to explore the feasibility of appearance index and physics and chemistry index＂ fingerprinting in distinguishing the geographical origin of rice. This article selects rice from Chahayang, Jiansanjiang and Wuchang. Grain area, grain length, grain width, length-width ratio, chalkiness, chalky rice rate, amylose content and protein content are determined in eighty-nine samples, and discriminant analysis （DA） are applied in data analysis. A linear discriminant analysis procedure produced a successful assignation （86.5% cross validation） of rice according to the region.

关 键 词：大米 外观指标 理化指标 溯源 

分 类 号：TS212.2[轻工技术与工程—粮食、油脂及植物蛋白工程]