現在(zai)市場(chang)基本有兩種(zhong)包(bao)(bao)(bao)裝(zhuang)(zhuang)形(xing)(xing)式,一種(zhong)為普通的包(bao)(bao)(bao)裝(zhuang)(zhuang),利(li)用(yong)(yong)聚丙(bing)稀塑料編織(zhi)袋(dai)對(dui)大米(mi)進行包(bao)(bao)(bao)裝(zhuang)(zhuang),包(bao)(bao)(bao)裝(zhuang)(zhuang)過程中不施加(jia)任何的保鮮技術(shu),這種(zhong)包(bao)(bao)(bao)裝(zhuang)(zhuang)對(dui)于(yu)大米(mi)的防蟲(chong)及防霉等方面的效(xiao)果(guo)差。還有一種(zhong)是(shi)用(yong)(yong)真(zhen)空包(bao)(bao)(bao)裝(zhuang)(zhuang)技術(shu)對(dui)包(bao)(bao)(bao)裝(zhuang)(zhuang)袋(dai)進行抽真(zhen)空,真(zhen)空鈄技術(shu)對(dui)大米(mi)的儲存有較好的保鮮作(zuo)用(yong)(yong),但用(yong)(yong)于(yu)大米(mi)自(zi)身的形(xing)(xing)狀及真(zhen)空度的選擇并不合(he)適,目前大米(mi)真(zhen)空包(bao)(bao)(bao)裝(zhuang)(zhuang)選用(yong)(yong)的真(zhen)空度一般在(zai)-0.07~-0.09kPa之間,只要真(zhen)空度在(zai)范圍(wei)內,所出廠的就是(shi)合(he)格產品。
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