نتایج جستجو برای: acrylamide

تعداد نتایج: 4207  

2014

Acrylamide or 2-propenamide an industrial chemical formed in some foods particularly starchy foods during heating process such as baking, frying and roasting. Acrylamide is proven to be carcinogenic in animals and a probable human carcinogen mainly formed in foods by the reaction of asparagine (free amino acid) with reducing sugars (glucose and fructose) as part of the Maillard reaction during ...

Journal: :Journal of agricultural and food chemistry 2005
Fabien Robert Gilles Vuataz Philippe Pollien Françoise Saucy Maria-Isabelle Alonso Isabelle Bauwens Imre Blank

The formation of acrylamide was investigated in model systems based on asparagine and glucose under low moisture Maillard reaction conditions as a function of reaction temperature, time, physical state, water activity, and glass transition temperature. Equimolar amorphous glucose/asparagine systems with different water activities were prepared by freeze drying and were shown to quickly move to ...

2018
Ayaka Kotemori Junko Ishihara Ling Zha Rong Liu Norie Sawada Motoki Iwasaki Tomotaka Sobue Shoichiro Tsugane

Acrylamide forms during cooking and is classified as a probable carcinogen in humans, mandating the need for epidemiological studies of dietary acrylamide and cancers. However, the risk of dietary acrylamide exposure to breast cancer in Japanese women has not been assessed. We investigated the association between dietary acrylamide intake and risk of breast cancer in the Japan Public Health Cen...

Journal: :Occupational and environmental medicine 1996
M Matsuoka H Matsumura H Igisu

OBJECTIVES To examine whether the activities of creatine kinase (CK) correlate with neurological disturbances caused by acrylamide. METHODS The activities of CK and other enzymes reported to be inhibited by acrylamide in the brain and plasma, and landing foot spread (LFS) were measured in mice and rats intoxicated with acrylamide. RESULTS Activity of CK was suppressed by acrylamide in the b...

Journal: :Biomedical and environmental sciences : BES 2009
Wei-Wei Li Hui Li Zhi-Fei Liu Qun Qiao

OBJECTIVE To determine residual acrylamide in medical polyacrylamide hydrogel by high performance liquid chromatography tandem mass spectroscopy (HPLC-MS). METHODS After (13)C3 labeled acrylamide was added, the sample was extracted with water and then cleaned up with Extrelut 20. The polyacrylamide hydrogel sample and 20 clinical cases were analyzed by HPLC-MS/MS and isotope dilution quantify...

2017
Maria Serena Altissimi Rossana Roila Raffaella Branciari Dino Miraglia David Ranucci Marisa Framboas Naceur Haouet

Acrylamide dietary intakes from selected street foods in youth population are estimated. The intake evaluation was carried out by combining levels of acrylamide in food, analytically determined by high performance liquid chromatography, with individual consumption data recorded using a questionnaire applied to a group of 200 students aged 19 to 30. The mean value of acrylamide exposure was reco...

Journal: :Natural product research 2013
Denise Flores-San Martin María de Jesús Perea-Flores Javier Morales-López Mónica María Centeno-Alvarez Guillermo Pérez-Ishiwara Nury Pérez-Hernández Elizabeth Pérez-Hernández

Osteoarthritis is characterised by progressive loss of articular cartilage through the increase of catabolic metalloproteinases, and chondrocyte cytoskeleton disruption has also been reported. In this regard, we studied the effect of Heterotheca inuloides essential oil (HIEO) on the distribution and immunolocalisation of actin, vimentin and tubulin of chondrocytes from cultured rat articular ca...

2012
Mathilda L. Bongers Janneke G. F. Hogervorst Leo J. Schouten R. Alexandra Goldbohm Harry C. Schouten Piet A. van den Brandt

BACKGROUND Acrylamide, a probable human carcinogen, is present in many everyday foods. Since the finding of its presence in foods in 2002, epidemiological studies have found some suggestive associations between dietary acrylamide exposure and the risk of various cancers. The aim of this prospective study is to investigate for the first time the association between dietary acrylamide intake and ...

2012
Kadry Mohamed Sadek

INTRODUCTION The present study was conducted to evaluate the antioxidant and immunostimulant effects of The Carica papaya fruit aqueous extract (CPF, Caricaceae) against acrylamide induced oxidative stress and improvement of Immune functions which affected by free radicals liberating acrylamide in rats. MATERIAL AND METHODS Sixty male wistar albino rats (195-230g) were assigned to four groups...

Journal: :Journal of the National Cancer Institute 2004
Ahmad Besaratinia Gerd P Pfeifer

BACKGROUND Acrylamide, a known rodent carcinogen, is found in the human diet. However, the mechanism by which acrylamide exerts its carcinogenic effects remains unclear. METHODS Normal human bronchial epithelial cells and Big Blue mouse embryonic fibroblasts that carry a lambda phage cII transgene were treated in vitro with acrylamide, its primary epoxide metabolite glycidamide, or water (con...

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