We can decrease TSNA by ways of reducing level of precursors.
可通过控制两种前体物质的各种途径来降低烟草TSNA。
All factors of effective precursors will affect their form and accumulation of TSNA.
凡影响前体物质的因素,都会影响烟草tsna的形成、积累和含量。
The pre cured tobacco leaves of growing and ripeness do not contain TSNA, and they are formed and accumulated during curing, aging after harvesting.
大田正常生长及成熟的青烟不含TSNA,是采收后在调制、贮存陈化过程中逐步形成和积累起来的。
Tobacco specific nitrosamines (TSNA) is a group of potential carcinogens which have been found in tobacco, tobacco products, and cigarette smoke only.
烟草特有的N -亚硝胺(tsna)是一组只在烟草、烟制品及烟气中发现的致癌物质。
Nitrite is present in very small amount in a green leaf at harvest and during the early days of curing, but increases during tobacco curing and has been positively correlated with TSNA accumulation.
在收获期绿色烟叶和烘烤前期,没有或含有少量的亚硝酸盐,亚硝酸盐在烘烤期逐渐增加并且与TSNA的积累正相关。
Nitrite is present in very small amount in a green leaf at harvest and during the early days of curing, but increases during tobacco curing and has been positively correlated with TSNA accumulation.
在收获期绿色烟叶和烘烤前期,没有或含有少量的亚硝酸盐,亚硝酸盐在烘烤期逐渐增加并且与TSNA的积累正相关。
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