Results 31 to 40 of about 18,902 (138)

Maternal characteristics associated with the dietary intake of nitrates, nitrites, and nitrosamines in women of child-bearing age: a cross-sectional study

Environmental Health, 2010
Background Multiple N-nitroso compounds have been observed in animal studies to be both mutagenic and teratogenic. Human exposure to N-nitroso compounds and their precursors, nitrates and nitrites, can occur through exogenous sources, such as diet ...
Canfield Mark A, Romitti Paul A, McDonald Thomas J, Rene Antonio A, Huber John C, Steck Michelle D, Sharkey Joseph R, Brender Jean D, Griesenbeck John S, Langlois Peter H, Suarez Lucina   +10 more
doaj   +1 more source

In Vitro and in Vivo Effects of Alkyl Nitrites on Methionine Synthase from Mouse Kidney and Liver

Pteridines, 1989
The effect of butyl and isoamyl nitrites on methionine synthase from mouse kidney and liver was investigated. A strong specific inhibition of the enzyme (50% at 7.3 x 10 4 M nitrites for kidney methionine synthase) was found.
Manteuffel-Cymborowska Malgorzata, Chmurzyńska Wanda, Kamińska Bożena, Sikora Ewa, Grzelakowska-Sztabert Barbara   +4 more
doaj   +1 more source

Effect of the microbial activity on nitrification in soils cultivated with Brachiaria humidicola (Rendle) Schweicerdt in Cerete, Cordoba

Temas Agrarios, 2015
Nitrogen fertilizers used in agriculture have increased the emissions of nitrogen oxides to the atmosphere. This study evaluated the production of NO2 - (nitrite) and N03 - (nitrate) by soilborne bacteria during the dry and the rainy seasons in The ...
Liliana Grandett, Sony Reza, Juan De Dios Jaraba Navas, Yuri Pardo   +3 more
doaj   +1 more source

Influence of “Vitakorm-BSR-Forte” preparation on the antioxidant and cytoprotective processes in the mucosa of small intestine under the action of aflatoxin B1

Біологічні студії, 2016
The mechanism of aflatoxin B1 influence on the cells of small intestine mucosa and the possibility of correction and prevention of metabolic disorders in animals using “Vitakorm-BSR-Forte” phytopreparation was investigated. Intragastrial administration
I. V. Panchuk, G. L. Antonyak
doaj   +1 more source

Nitrite-induced methaemoglobinaemia [PDF]

Postgraduate Medical Journal, 1987
Summary Three patients developed methaemoglobinaemia after eating meat contaminated with excessive nitrites. Diagnosis was delayed in the first two mild cases but was promptly made in the third most severely affected case.
T, Walley, M, Flanagan
openaire   +2 more sources

Association of salivary biochemical parameters with etiopathogenetic variants of laryngopharyngeal reflux in young adult men: a single-centre cross-sectional observational study

Aktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki
Aim. To verify salivary biochemical parameters (pH, NO2–/NOS, –SH groups, protein carbonyls – aldehyde and ketone phenylhydrazones (APH, KPH)) and heart rate variability (HRV) indices (SDNN, SI, LF/HF, TP, PARS) according to etiopathogenetic LPR ...
V. M. Kryshtal , O. V. Hancheva
doaj   +1 more source

Effect of Magnesium Supply and Storage Time on Anti-Nutritive Compounds in Potato Tubers

Agronomy, 2020
The nutritional quality of potato tubers is cultivar-specific and depends on climate-soil conditions and agrotechnical practices, as well as the conditions during long-term storage.
Elżbieta Wszelaczyńska, Jarosław Pobereżny, Wojciech Kozera, Tomasz Knapowski, Elke Pawelzik, Ewa Spychaj-Fabisiak   +5 more
doaj   +1 more source

Evaluation of the effect of different methods of curacy on women with adenomyosis in the first half of pregnancy on the development of early gestative complications

Journal of Education, Health and Sport, 2019
Pregnancy in women with adenomyosis has an increased risk of multiple obstetric complications, especially early pregnancy losses. The purpose of the study was to conduct a comparative analysis of the impact of different methods of curation of pregnant ...
O. M. Nosenko, O. M. Kosyuga
doaj   +1 more source

Usefulness of urinal urinalysis and urine gram stain in the diagnosis of rinary tract infection in hospitalized patients Utilidad del citoquímico y la coloración de Gram en muestras de orina en el diagnóstico de las infecciones del tracto urinario en pacientes hospitalizados.

Iatreia, 2005
Objective: To evaluate the usefulness of urinalysis and of urine Gram stain in the diagnosis of urinary tract infection in hospitalized patients. Design and sample: Urinalysis and Gram stain of non centrifuged urine were carried out according to the ...
Sergio Jaramillo Velásquez, Claudia Yarely Maya Carmona, Ana Cristina Restrepo Ceballos, Olga Lucía Molina Upegui, Mónica Cecilia Curtas Trujillo, Jaime Alberto López Vargas, Jorge Hernando Donado Gómez   +6 more
doaj  

An Evaluation of Alternatives to Nitrites and Sulfites to Inhibit the Growth of Salmonella enterica and Listeria monocytogenes in Meat Products

Foods, 2016
In recent years, the use of nitrites and sulfites as food preservatives has been a cause for concern due to the health problems that these additives can cause in humans.
Alexandre Lamas, José Manuel Miranda, Beatriz Vázquez, Alberto Cepeda, Carlos Manuel Franco   +4 more
doaj   +1 more source