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'''Cashew oil''' refers to oil extracted from the fruit of the [[cashew]]. The cashew nut has a shell with an oily outer layer, and a hard inner layer, within which the familiar cashew nut is contained. ''Cashew shell oil'' comes from the outer shell. It is [[toxic]] to humans, and is normally considered a waste product. Some work, however, showed that cashew shell oil can be useful in fighting [[dental cavities]].<ref>{{cite journal|title=Cashew oil may conquer cavities|journal=Journal of Agricultural and Food Chemistry|author=Masaki Himejima, Isao Kubo|date=February, 1991|volume=39|pages=418-421}}</ref>
Other uses of cashew shell oil have been explored, including as an additive to [[brake fluid]], to reduce brake fade and brake lining wear.
<ref>{{cite journal|title=Cardolite saga in a nutshell|journal=Chemical Week|author=Daniel J. McConville|date=October 29, 1997}}</ref>
== Notes and references ==
<references/>
{{vegetable-oil-stub}}
[[Category:Vegetable oils]]