目mu前qian采cai用yong的de醬jiang醃yan菜cai的de製zhi造zao法fa多duo是shi在zai原yuan材cai料liao，即ji蔬shu菜cai上shang撒sa適shi度du的de食shi鹽yan，或huo者zhe是shi直zhi接jie用yong食shi鹽yan水shui浸jin泡pao，或huo用yong各ge種zhong味wei液ye調tiao味wei。這zhe種zhong方fang法fa製zhi得de的de菜cai，能neng長chang期qi保bao存cun，但dan因yin其qi含han鹽yan較jiao多duo，對dui人ren體ti有you不bu良liang影ying響xiang，也ye因yin其qi味wei較jiao重zhong，許xu多duo人ren對dui此ci不bu習xi慣guan。經jing研yan究jiu發fa現xian，纖xian維wei素su酶mei
，或huo酶mei等deng可ke以yi分fen解jie植zhi物wu的de細xi胞bao組zu織zhi，因yin而er對dui製zhi作zuo低di鹽yan菜cai有you效xiao果guo。日ri本ben發fa明ming一yi種zhong用yong真zhen空kong處chu理li的de方fang法fa可ke以yi促cu進jin酶mei對dui醬jiang醃yan菜cai原yuan材cai料liao組zu織zhi和he細xi胞bao的de軟ruan化hua。當dang原yuan材cai料liao同tong酶mei和he調tiao味wei液ye接jie觸chu後hou
，由you於yu酶mei的de作zuo用yong，原yuan材cai料liao表biao皮pi的de纖xian維wei素su和he肽tai首shou先xian被bei破po壞huai，這zhe時shi，如ru果guo真zhen空kong度du達da到dao750毫米汞柱(約5～10分鍾)，則包含於原材料內部的空氣和氣化氣體(原材料的3～5%)depinghengjiubunengbaochi
，shouqianglixiyin，zhexieqitikaishihuisan。suizheqitihuisan，yuanliaoneibudewushutongqikongkaitong。meihetiaoweiyejiukeyishunzhezhexietongqikongyizhijintoudaoyuanliaodezhongxinqu，qijieguoyejiucujinlemeidepohuaizuoyong，jiakuailejiangyancaidezhizuoguocheng。