Translation for 'nitrosamine' from English to Portuguese
NOUN   a nitrosamine | nitrosamines
nitrosamina {f}
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Translation for 'nitrosamine' from English to Portuguese

nitrosamina {f}bioquí.
Usage Examples English
  • These nitrosamine carcinogens are formed from nicotine and related compounds by a nitrosation reaction that occurs during the curing and processing of tobacco.
  • Although its endogenous substrate has not been determined, it is known to metabolize 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone, a major nitrosamine specific to tobacco.
  • In addition, there are other tobacco-specific carcinogens to consider in humans that are activated metabolically, such as nicotine-derived nitrosamine ketone (NNK) and N'-nitrosonornicotine (NNN).
  • The rearrangement reaction takes place by reacting the nitrosamine precursor with hydrochloric acid.
  • Food and Drug Administration (FDA) became aware of nitrosamine impurities in certain samples of rifapentine.

  • The next intermediate is the stable nitrosamine with goes on to lose water forming the diazonium salt which then reacts with the vinyl group in the ring-closing step.
  • "N"-Nitrosonornicotine (NNN) is a tobacco-specific nitrosamine produced during the curing and processing of tobacco.
  • Nicotine-derived nitrosamine ketone (NNK) is one of the key tobacco-specific nitrosamines derived from nicotine. It plays an important role in carcinogenesis.
  • Manufacturers of personal care products are therefore instructed by regulatory authorities to avoid the formation of nitrosamines which might mean removing amines or amides from the formulation, removing bronopol from a formulation, or using nitrosamine inhibitors.
  • In August 2020, the European Medicines Agency (EMA) provided guidance to marketing authorization holders on how to avoid the presence of nitrosamine impurities in human medicines and asked them to review all chemical and biological human medicines for the possible presence of nitrosamines and to test the products at risk.

  • In the case of formation of carcinogenic nitrosamines in the stomach from dietary nitrite (used as a processed meat preservative), ascorbic acid markedly decreases nitrosamine formation in the absence of fat in the meal, through inhibition.
  • Food and Drug Administration (FDA) became aware of nitrosamine impurities in certain samples of rifampin.
  • "N"-Nitrosoglyphosate is the nitrosamine degradation product and synthetic impurity of glyphosate herbicide.
  • He showed that nitrosamines cause esophagus cancer, and discovered a new carcinogenic nitrosamine, N-3-methylbutyl-N-1-methylacetonylnitrosamine (MAMBNA), isolated from the gastric fluid of cancer patients.
  • In April 2021, the European Directorate for the Quality of Medicines (EDQM) warned of the risk of contamination with non-nitrosamine impurities (specifically, azido compounds) in tetrazole-containing sartans.

  • Nitrite (ingested) under conditions that result in endogenous nitrosation, specifically the production of nitrosamine, has been classified as "Probably carcinogenic to humans" (Group 2A) by the IARC.
  • A panel of public health researchers suggested that low nitrosamine smokeless tobacco products such as dissolvables could be a less harmful form of tobacco compared to cigarettes.
  • Bacon can contain nitrites, which can form carcinogenic nitroso-compounds such as S-Nitrosothiols , nitrosyl-heme and nitrosamines.
© Portuguese-English dictionary 2024
Contains translations by TU Chemnitz and Mr Honey's Business Dictionary (German-English only).
Links to this dictionary or to individual translations are very welcome!