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originally posted by: Pimpish
a reply to: StoutBroux
I'm aware of that and I posted some more information in my last post about how this has happened previously with Beneful. I also shared my personal experience with the dog food. I pretty much feel like I'm on topic...
originally posted by: MystikMushroom
a reply to: StoutBroux
Wait...propylene glycol? Isn't that what's in those ecigarete juices?
I used to spray propylene glycol as a de-icer for sidewalks. One reason why I'm not terribly keen on vaping with those ecigs.
Because of its low chronic oral toxicity, propylene glycol was classified by the U. S. Food and Drug Administration as "generally recognized as safe" (GRAS) for use as a direct food additive, including frozen foods such as ice cream and frozen desserts.
Forty-five percent of propylene glycol produced is used as chemical feedstock for the production of unsaturated polyester resins. In this regard, propylene glycol reacts with a mixture of unsaturated maleic anhydride and isophthalic acid to give a copolymer. This partially unsaturated polymer undergoes further crosslinking to yield thermoset plastics. Related to this application, propylene glycol reacts with propylene oxide to give oligomers and polymers that are used to produce polyurethanes.[4]
Propylene glycol is used as an humectant (E1520), solvent, and preservative in food and for tobacco products, as well as being one of the major ingredients of the "e-liquid" used in electronic cigarettes along with vegetable glycerin. Propylene glycol is also used in various edible items such as coffee, ice cream, whipped dairy products, beer and soda.[7] Vaporizers used for delivery of pharmaceuticals or personal care products often include propylene glycol among the ingredients they are filled with.[4] Propylene glycol is used as a solvent in many pharmaceuticals, including oral, injectable and topical formulations, such as for diazepam and lorazepam which are insoluble in water.[8]
Like ethylene glycol, propylene glycol is able to lower the freezing point of water, and so it is used as aircraft de-icing fluid.[4][9] Water-propylene glycol mixtures dyed pink to indicate the mixture is relatively nontoxic are sold under the name of RV or marine antifreeze. Propylene glycol is frequently used as a substitute for ethylene glycol in low toxicity, environmentally friendly automotive antifreeze. It is also used to winterize the plumbing systems in vacant structures.[10] The eutectic composition/temperature is 60:40 propylene glycol:water/-60 °C.[11][12] The −50 °F/−45 °C commercial product is, however, water rich; a typical formulation is 40:60.[13]
Propylene glycol is a minor ingredient in the oil dispersant Corexit, which was used in the cleanup of the Deepwater Horizon oil spill.[14][15]
*snip*
Serious toxicity generally occurs at plasma concentrations over 4 g/L in, which requires extremely high intake over a relatively short period of time, or when used as a vehicle for drugs or vitamins given intravenously or orally.[21] It would be nearly impossible to reach toxic levels by consuming foods or supplements, which contain at most 1 g/kg of PG, except for alcoholic beverages which are allowed 5 percent = 50g/kg.[22] Cases of propylene glycol poisoning are usually related to either inappropriate intravenous administration or accidental ingestion of large quantities by children.[