山(shan)東(dong)埃爾派(pai) | 點擊量(liang):0次 | 2020-03-29
微細化處理對玉米淀粉顆粒形態的影響
原蠟(la)質玉(yu)米(mi)淀(dian)(dian)粉(fen)(fen)顆(ke)(ke)(ke)粒(li)表(biao)面(mian)(mian)(mian)光滑(hua)致(zhi)密(mi)(mi),多(duo)呈(cheng)(cheng)橢圓形(xing)(xing),顆(ke)(ke)(ke)粒(li)帶有(you)許多(duo)乳狀(zhuang)突(tu)起,部(bu)分(fen)(fen)(fen)(fen)顆(ke)(ke)(ke)粒(li)表(biao)面(mian)(mian)(mian)有(you)凹陷孔洞,粒(li)形(xing)(xing)相對(dui)(dui)較大(da);原普通玉(yu)米(mi)淀(dian)(dian)粉(fen)(fen)顆(ke)(ke)(ke)粒(li)表(biao)面(mian)(mian)(mian)光滑(hua)致(zhi)密(mi)(mi),主(zhu)要呈(cheng)(cheng)多(duo)邊形(xing)(xing),顆(ke)(ke)(ke)粒(li)表(biao)面(mian)(mian)(mian)嵌有(you)小微(wei)孔,該(gai)微(wei)孔與玉(yu)米(mi)淀(dian)(dian)粉(fen)(fen)孔道結(jie)構有(you)關;原高(gao)(gao)直鏈(lian)(lian)玉(yu)米(mi)淀(dian)(dian)粉(fen)(fen)顆(ke)(ke)(ke)粒(li)主(zhu)要呈(cheng)(cheng)多(duo)面(mian)(mian)(mian)體,顆(ke)(ke)(ke)粒(li)表(biao)面(mian)(mian)(mian)光滑(hua)致(zhi)密(mi)(mi),部(bu)分(fen)(fen)(fen)(fen)顆(ke)(ke)(ke)粒(li)嵌有(you)微(wei)孔。氣(qi)(qi)流(liu)粉(fen)(fen)碎(sui)后,3 種(zhong)玉(yu)米(mi)淀(dian)(dian)粉(fen)(fen)顆(ke)(ke)(ke)粒(li)形(xing)(xing)態均明(ming)顯減小,形(xing)(xing)狀(zhuang)變(bian)得(de)無(wu)規則,顆(ke)(ke)(ke)粒(li)表(biao)面(mian)(mian)(mian)粗糙且出(chu)(chu)現棱角和裂紋(wen);其(qi)中微(wei)細化(hua)(hua)蠟(la)質玉(yu)米(mi)淀(dian)(dian)粉(fen)(fen)顆(ke)(ke)(ke)粒(li)較大(da),顆(ke)(ke)(ke)粒(li)形(xing)(xing)態相對(dui)(dui)規則且表(biao)面(mian)(mian)(mian)粗糙程(cheng)度較低,乳狀(zhuang)突(tu)起脫落,部(bu)分(fen)(fen)(fen)(fen)顆(ke)(ke)(ke)粒(li)被破(po)壞(huai)(huai)而露出(chu)(chu)臍點;微(wei)細化(hua)(hua)普通玉(yu)米(mi)淀(dian)(dian)粉(fen)(fen)顆(ke)(ke)(ke)粒(li)形(xing)(xing)態相對(dui)(dui)均勻,微(wei)細化(hua)(hua)高(gao)(gao)直鏈(lian)(lian)玉(yu)米(mi)淀(dian)(dian)粉(fen)(fen)部(bu)分(fen)(fen)(fen)(fen)顆(ke)(ke)(ke)粒(li)被破(po)壞(huai)(huai)露出(chu)(chu)輪紋(wen)結(jie)構。說明(ming)氣(qi)(qi)流(liu)粉(fen)(fen)碎(sui)作用(yong)使玉(yu)米(mi)淀(dian)(dian)粉(fen)(fen)顆(ke)(ke)(ke)粒(li)形(xing)(xing)態發生改變(bian),淀(dian)(dian)粉(fen)(fen)顆(ke)(ke)(ke)粒(li)表(biao)面(mian)(mian)(mian)及內部(bu)結(jie)構發生變(bian)化(hua)(hua),此(ci)結(jie)果與Liu Tianyi等利用(yong)球磨研磨和Niu Meng等利用(yong)高(gao)(gao)速離心(xin)磨研磨獲得(de)的微(wei)細化(hua)(hua)粉(fen)(fen)體顆(ke)(ke)(ke)粒(li)形(xing)(xing)貌(mao)變(bian)化(hua)(hua)現象一致(zhi)。
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