Naphthenic acid agents, thickening agent of napalm and oil drying agents used in painting and wood surface treatment. Industrially useful naphthenates include those of aluminium, magnesium, calcium, barium, cobalt, copper, lead, manganese, nickel, vanadium, and zinc. One oft-cited study stated that "naphthenic acids are the most significant environmental contaminants resulting from petroleum extraction from oil sands deposits." However "under worst-case exposure conditions, acute toxicity is unlikely in wild mammals exposed to naphthenic acids in AOS tailings pond water, but repeated exposure may have adverse health effects." Naphthenic acids are present in Athabasca oil sands (AOL) tailings pond water (TPW) at an estimated
Mono- and diglycerides of fatty acids be completely excluded as being present in the product. The fatty acids from each source are chemically identical. The Vegan Society, which discourages eating animal-based foods, flags E471 as a "thing to look out for" that "can be animal OR non-animal based". Mono- and diglycerides of fatty acids Mono- and diglycerides of fatty acids (E471) refers to a food additive composed of diglycerides and monoglycerides which is used as an emulsifier. This mixture is also sometimes referred to as partial glycerides. Monoglycerides and diglycerides are both naturally present in various seed oils, however their concentration is usually low and industrial