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直链淀粉测定方法

发布时间:2020-06-30 点击次数:1

直链淀粉含量是影响其加工性能和产品品质的关键因素。因此,直链淀粉含量的测定具有重要的意义。而测量直链淀粉含量的方法有很多,如碘比色法、近红外光谱分析法、伴刀豆球蛋白法、国家标准法、仪器法等,下面就来简单介绍一下这几种直链淀粉测定方法。

1、碘比色法

JULEJIE,GAICEDINGFANGFAZAISHIYANSHICEDINGYANGPINSHUMUXIANGDUIJIAOSHAODEQINGKUANGXIAHAISHIKEXINGDE,DANYINWEIJISHUXINGQIANG、CAOZUOFUZA、HAOFEISHIJIAN,WUFASHISHIYOUXIAO、KUAIJIEDEZHUNQUEJIANCE,DUIDAPILIANGYANGPINJIANCEXIANGDANGKUNNAN。

2、近红外光谱分析法

GAICEDINGFANGFASUIRANNENGGOUMANZUGAODAIDAPILIANGYANGBENDECEDING,JUYOUKUAISU、WEILIANG、WUSUNXINGJIANCENENGTEDIAN,DANSHIZAIJINXINGSHIYANSHIXUYAOHAOFEIJIAODADERENLIWULI,QIEBUNENGYONGYUZHILIANDIANFENHANLIANGDEJINGQUECEDINGHETESHUCAILIAO(ZHILIANDIANFENHANLIANGHENDIHUOHENGAODECAILIAO)DEPINGJIA,BUSHIHEZUOWEIYANGPINHESUOCEXIANGMUJINGCHANGBIANHUADEFENSANXINGYANGPINJIANCEDESHOUDUAN。

3、国家标准法

ZHILIANDIANFENHANLIANGJIANCEZAIBEILIERUGUOJIABIAOZHUNZHONGDEFANGFAZHUYAOYOU4XIANG,JUTIYOUGB7648-87FA、NY/T 83 - 1988FA、GB/T15683-1995、GB/T17891-1999FA,JUSHIYANZHENGMING,ZHEISIZHONGCEDINGFANGFAZAIBUTONGCHENGDUSHANGDOUCUNZAIYIDINGDEQUEXIAN,YIGB/T15683-1995FAWEILI,GAIFANGFADEDAQUEXIANSHICEDINGSHIJIANGUOZHANG,JINJINYIGETUOZHIGUOCHENGJIUYAOHUAFEI2TIAN,WEISHIYANJIANCEDAILEHENDADEBUFANGBIAN。

4、仪器法

仪器法指的是利用直连淀粉测定仪来对直连淀粉含量的测定,直连淀粉测定仪是一款集计算机技术、分光光度技术于一体的快速、在线检测仪器。该仪器具有分析速度快、准确度高、重现性好等特点,可以满足大批量的大米直链淀粉含量检测分析的要求。

YISHANGJIUSHIDUIZHILIANDIANFENCEDINGFANGFADEJIANDANZONGJIEYUGAISHU,ZAIZHEISIZHONGFANGFAZHONG,YINGYONGBIJIAOGUANGFANDEJIUSHIYIQIFA,YEJIUSHILIYONGZHILIANDIANFENCEDINGYILAICEDING,ZHILIANDIANFENCEDINGYIKEYONGYUDAMI,YUMI,XIAOMAIDENGGUWUDEZHILIANDIANFENPINZHIDEKUAISU、ZAIXIANJIANCE,YEKEYONGLAICESHIHEPINGJIAJINKOUDAMIDEPINZHI,TIGAOLIANGSHIBUMENHESHIPINSHENGCHANBUMENJIANCESHUIPINGYUXIAOLV,KONGZHILIANGSHIZHILIANGYUCHENGBEN。

直链淀粉测定 直链淀粉测定方法
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