現在市(shi)場基本有兩種(zhong)包(bao)裝(zhuang)(zhuang)形式,一種(zhong)為普通的包(bao)裝(zhuang)(zhuang),利(li)用(yong)(yong)(yong)聚丙稀塑料編織袋對(dui)(dui)大米(mi)(mi)進(jin)行(xing)包(bao)裝(zhuang)(zhuang),包(bao)裝(zhuang)(zhuang)過(guo)程中(zhong)不施加任何(he)的保鮮技術,這種(zhong)包(bao)裝(zhuang)(zhuang)對(dui)(dui)于(yu)大米(mi)(mi)的防蟲及(ji)防霉等方面的效果差。還有一種(zhong)是用(yong)(yong)(yong)真(zhen)空(kong)包(bao)裝(zhuang)(zhuang)技術對(dui)(dui)包(bao)裝(zhuang)(zhuang)袋進(jin)行(xing)抽真(zhen)空(kong),真(zhen)空(kong)鈄技術對(dui)(dui)大米(mi)(mi)的儲存有較好的保鮮作用(yong)(yong)(yong),但用(yong)(yong)(yong)于(yu)大米(mi)(mi)自身的形狀(zhuang)及(ji)真(zhen)空(kong)度的選擇并不合適,目前大米(mi)(mi)真(zhen)空(kong)包(bao)裝(zhuang)(zhuang)選用(yong)(yong)(yong)的真(zhen)空(kong)度一般在-0.07~-0.09kPa之間,只要真(zhen)空(kong)度在范圍內,所(suo)出廠的就是合格產(chan)品(pin)。
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