熟食(shi)(shi)全(quan)自動真空(kong)(kong)包裝(zhuang)(zhuang)機的主要(yao)作(zuo)用是(shi)除(chu)去氧(yang)氣(qi)(qi)與空(kong)(kong)氣(qi)(qi)中各種氣(qi)(qi)體,以有利于防(fang)止(zhi)食(shi)(shi)品變質,其原理也(ye)比較(jiao)簡(jian)單,因食(shi)(shi)品霉腐變質主要(yao)由微(wei)(wei)生(sheng)(sheng)物(wu)的活動造成,而大(da)多數微(wei)(wei)生(sheng)(sheng)物(wu)(如(ru)霉菌(jun)和酵母菌(jun))的生(sheng)(sheng)存是(shi)需要(yao)氧(yang)氣(qi)(qi)的,而真空(kong)(kong)包裝(zhuang)(zhuang)就(jiu)是(shi)運用這個原理,把包裝(zhuang)(zhuang)袋內和食(shi)(shi)品細胞內的氧(yang)氣(qi)(qi)抽(chou)掉(diao),使微(wei)(wei)物(wu)失去生(sheng)(sheng)存的環境(jing)。實驗證明:當包裝(zhuang)(zhuang)袋內的氧(yang)氣(qi)(qi)濃(nong)度低時(shi),微(wei)(wei)生(sheng)(sheng)物(wu)的生(sheng)(sheng)長和繁(fan)殖(zhi)速(su)度就(jiu)急劇下(xia)降,氧(yang)氣(qi)(qi)濃(nong)度0.5 時(shi),大(da)多數微(wei)(wei)生(sheng)(sheng)物(wu)將受到抑制而停止(zhi)繁(fan)殖(zhi)。
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- 廠商性質:生產(chan)廠家
- 更新日期:2023-11-17