gaowenduixijunyoumingxiandezhisizuoyong。relimiejunzhuyaoshiliyonggaowenshijuntibianxinghuoninggu,meishiquhuoxing,ershixijunsiwang。danshi,gengxiweidebianhuayifashengyuxijunningguzhiqian。yourenrenweiDNA單螺旋的斷裂可能是主要的致死因素。細菌蛋白質、核酸等化學結構是由氫鍵連接的,而氫鍵是較弱的化學鍵,當菌體受熱時,氫鍵遭到破壞,蛋白質、核酸、酶mei等deng結jie構gou也ye隨sui之zhi被bei破po壞huai,失shi去qu其qi生sheng物wu學xue活huo性xing,與yu細xi菌jun致zhi死si有you關guan。此ci外wai,高gao溫wen亦yi可ke導dao致zhi胞bao膜mo功gong能neng損sun傷shang而er使shi小xiao分fen子zi物wu質zhi以yi及ji降jiang解jie的de核he糖tang體ti漏lou出chu。幹gan熱re的de致zhi死si作zuo用yong與yu濕shi熱re不bu盡jin相xiang同tong,一yi般ban屬shu於yu蛋dan白bai變bian性xing、氧化作用受損和電解質水平增高的毒力效應。
熱力滅菌時最可靠而普遍應用的滅菌法,包括濕熱滅菌和幹熱滅菌法。