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General Cooking (rec.food.cooking) For general food and cooking discussion. Foods of all kinds, food procurement, cooking methods and techniques, eating, etc. |
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I've been hearing from people to just use stainless steel and stay from
those non-stick pans. Or is this just an urban legend? |
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zxcvbob wrote:
> wrote: > > I've been hearing from people to just use stainless steel and stay > > from those non-stick pans. Or is this just an urban legend? > > How do you know the chromium or nickel in the stainless steel > doesn't cause cancer? HTH :-) Mol Cell Biochem. 2005 Nov;279(1-2):17-23. Effect of stainless steel manual metal arc welding fume on free radical production, DNA damage, and apoptosis induction. Antonini JM, Leonard SS, Roberts JR, Solano-Lopez C, Young SH, Shi X, Taylor MD. Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia, USA. Questions exist concerning the potential carcinogenic effects after welding fume exposure. Welding processes that use stainless steel (SS) materials can produce fumes that may contain metals (e.g., Cr, Ni) known to be carcinogenic to humans. The objective was to determine the effect of in vitro and in vivo welding fume treatment on free radical generation, DNA damage, cytotoxicity and apoptosis induction, all factors possibly involved with the pathogenesis of lung cancer. SS welding fume was collected during manual metal arc welding (MMA). Elemental analysis indicated that the MMA-SS sample was highly soluble in water, and a majority (87%) of the soluble metal was Cr. Using electron spin resonance (ESR), the SS welding fume had the ability to produce the biologically reactive hydroxyl radical ((*)OH), likely as a result of the reduction of Cr(VI) to Cr(V). In vitro treatment with the MMA-SS sample caused a concentration-dependent increase in DNA damage and lung macrophage death. In addition, a time-dependent increase in the number of apoptotic cells in lung tissue was observed after in vivo treatment with the welding fume. In summary, a soluble MMA-SS welding fume was found to generate reactive oxygen species and cause DNA damage, lung macrophage cytotoxicity and in vivo lung cell apoptosis. These responses have been shown to be involved in various toxicological and carcinogenic processes. The effects observed appear to be related to the soluble component of the MMA-SS sample that is predominately Cr. A more comprehensive in vivo animal study is ongoing in the laboratory that is continuing these experiments to try to elucidate the potential mechanisms that may be involved with welding fume-induced lung disease. Arch Environ Contam Toxicol. 1992 Aug;23(2):211-5. Stainless steel cookware as a significant source of nickel, chromium, and iron. Kuligowski J, Halperin KM. Division of Science, Engineering and Technology, The Pennsylvania State University at Erie, 16563. Stainless steels are widely used materials in food preparation and in home and commercial cookware. Stainless is readily attacked by organic acids, particularly at cooking temperatures; hence iron, chromium, and nickel should be released from the material into the food. Nickel is implicated in numerous health problems, notably allergic contact dermatitis. Conversely, chromium and iron are essential nutrients for which stainless could be a useful source. Home cookware was examined by atomic absorption spectroscopy: seven different stainless utensils as well as cast iron, mild steel, aluminum and enamelled steel. The materials were exposed to mildly acidic conditions at boiling temperature. Nickel was a major corrosion product from stainless steel utensils; chromium and iron were also detected. It is recommended that nickel-sensitive patients switch to a material other than stainless, and that the stainless steel cookware industry seriously consider switching to a non-nickel formulation. |
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![]() > wrote in message ups.com... > I've been hearing from people to just use stainless steel and stay from > those non-stick pans. Or is this just an urban legend? breathe - breathe - breathe - Well, after I finish my char-grilled steak, my fried alkoid-filled organic potatoes, and have my cigar and processed beer out on the deck which is a half mile from the upwind freeway in the prevailing winds: and after I strip and paint my lawn chairs with methyl chloride and paint it with the really good naptha and xylol laquer, and after I power-clean my gutters with the new bleach mix to get all that asbestos and rubber and oil and carbon fume residue from the traffic off them, and then drink a cup of coffee to speed me up so I can polish the furniture and put new scents in the air fresheners, I'll think about that loss of nickel in my steel pans being a source of cancer-causing agents - but not too much, lest I increase my chances of disease more from worrying about the metal than the residue from the metal itself would give me. I do believe that acids will leech out nickel - how much? Can't say - depends on temp and strength and kind of acid. You can't be too careful these days. Now popcorn has been added to the unsafe list - leaving only 8 foods left on the famed "not found to enhance carcinogenic action" list. So basically - unless you are under ten eyars old, you're screwed already. Eat, drink, and make merry FWIW -favorite pot materials - Aluminum - alhzheimers, etc. Stainless -nickel carcinogens Teflon - long -named chemical carcinogens Iron - liver damage in adult males Wood- carcinogens, alkoids, and tannins Silver - arthritis from polishing, who knows what in the polish. Titanium - unforgiving overpriced toxic metal in its own right Lead - worked for the Romans, didn't it? Pottery - uranium and heavy metal contamination subject to leeching Pewter - tin, antimony, bismuth, and copper (no lead food-frade, assuming its not from Asia) Glass - relatively inert, except lead based Hemp - probably least dangerous of all, relatively speaking Plastic reheatable box - you don't even want to know... It's a safe bet to avoid eating the utensils or food to over 900 F. > |
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