現在市(shi)場基本有兩(liang)種(zhong)(zhong)包(bao)(bao)裝(zhuang)形(xing)(xing)式,一(yi)(yi)種(zhong)(zhong)為普通的(de)包(bao)(bao)裝(zhuang),利用(yong)(yong)聚丙(bing)稀塑料編織袋(dai)對(dui)大米(mi)(mi)進行(xing)包(bao)(bao)裝(zhuang),包(bao)(bao)裝(zhuang)過(guo)程(cheng)中不施加任何的(de)保鮮技術,這種(zhong)(zhong)包(bao)(bao)裝(zhuang)對(dui)于大米(mi)(mi)的(de)防蟲及防霉等方(fang)面的(de)效果差。還有一(yi)(yi)種(zhong)(zhong)是(shi)用(yong)(yong)真空(kong)包(bao)(bao)裝(zhuang)技術對(dui)包(bao)(bao)裝(zhuang)袋(dai)進行(xing)抽真空(kong),真空(kong)鈄技術對(dui)大米(mi)(mi)的(de)儲存有較(jiao)好的(de)保鮮作用(yong)(yong),但用(yong)(yong)于大米(mi)(mi)自身(shen)的(de)形(xing)(xing)狀(zhuang)及真空(kong)度的(de)選擇并不合(he)適,目(mu)前(qian)大米(mi)(mi)真空(kong)包(bao)(bao)裝(zhuang)選用(yong)(yong)的(de)真空(kong)度一(yi)(yi)般(ban)在-0.07~-0.09kPa之(zhi)間(jian),只要真空(kong)度在范圍內,所出廠的(de)就是(shi)合(he)格產(chan)品。
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