直zhi鏈lian澱dian粉fen含han量liang也ye是shi評ping價jia糧liang食shi品pin質zhi的de重zhong要yao指zhi標biao，但dan還hai是shi有you很hen多duo人ren會hui忽hu略lve它ta。直zhi鏈lian澱dian粉fen是shi澱dian粉fen中zhong的de多duo聚ju糖tang成cheng分fen，澱dian粉fen由you直zhi鏈lian澱dian粉fen和he支zhi鏈lian澱dian粉fen組zu成cheng，直zhi鏈lian澱dian粉fen含han量liang不bu同tong會hui影ying響xiang到dao糧liang食shi感gan官guan品pin質zhi和he加jia工gong特te性xing的de一yi個ge重zhong要yao因yin素su，此ci外wai澱dian粉fen的de糊hu化hua、凝膠化、粘稠度
、溶解度、膨脹能力、消化性等性質也與直鏈澱粉含量密切相關。直鏈澱粉廣泛存在於優質稻穀
、優質大米、鮮食玉米
、穀子籽粒、小麥
、高粱和豆類等糧食中。
    那麼，我們又該如何檢測糧食中的直鏈澱粉含量呢？
    guoqu
，womenduoshushiliyongdianbisefa

，dianbisefazhongshuangbochangjiaodanbochangfajieguokekao，yinweizhiliandianfenyehuiyudianxingchengluohewu，zhezhongluohewuhuihezhiliandianfen-碘複合物吸收相同波長的光，從而導致所測定的直鏈澱粉含量比真實值要高。

    隨著科學技術的發展進步
，直鏈澱粉速測儀的de應ying用yong給gei糧liang食shi直zhi鏈lian澱dian粉fen含han量liang檢jian測ce提ti供gong了le很hen大da的de幫bang助zhu，儀yi器qi采cai用yong激ji光guang光guang源yuan，波bo長chang單dan一yi

，穩wen定ding性xing好hao，檢jian測ce方fang法fa簡jian單dan，在zai光guang電dian轉zhuan換huan電dian路lu上shang采cai用yong矽gui光guang電dian池chi代dai替ti光guang電dian轉zhuan換huan元yuan件jian，矽gui光guang電dian池chi具ju有you結jie構gou簡jian單dan，價jia格ge低di廉lian的de優you點dian，且qie不bu要yao外wai接jie電dian源yuan，不bu需xu要yao放fang大da裝zhuang置zhi就jiu可ke直zhi接jie測ce量liang，可ke進jin一yi步bu縮suo小xiao體ti積ji，有you效xiao解jie決jue以yi往wang檢jian測ce儀yi器qi存cun在zai的de體ti積ji大da、成本高、操作繁瑣的問題。
    利用直鏈澱粉速測儀jiukeyikuaisujianceliangshizhongdezhiliandianfenhanliang，shouxianjiangyiqidexiruguanyongkazikahao，quebaokaziyajinxiruguan，qidongjisuanji，yunxingzhizhiliandianfenjianceruanjian
，zhenggexitongyureershifenzhong，dianjijixianxiaozhunanniu，antishicaozuo，jikejinxingjixianxiaozhun，ceshiyizhibiaoyang，dianjibiaoyangcelianganniu，zhihouantishiduihuakuangcaozuojike，ceshidaiceyangpin，dianjiyangpincelianganniu，antishicaozuo
，celiangwanbi，baocunceliangjieguo。