Menthol toxicity. Mint essential oil, rich in menthol, is toxic and can be fatal to an adult with a single dose of a teaspoon. This oil should be diluted so it can be used. The essential oil of plants containing menthol can dramatically lower blood pressure in young children causing them cardiac depression.
Oils and margarines from corn, cottonseed, soybean, safflower, and wheat germ are all good sources of vitamin E. Nuts are also good sources of vitamin E. Fruits, vegetables, and whole grains contain less.Refining grains reduces their vitamin E content, as does commercial processing and storage of food.ils and margarines from corn, cottonseed, soybean, safflower, and wheat germ are all good sources of vitamin E. Nuts are also good sources of vitamin E. Fruits, vegetables, and whole grains contain less.
Food sources of vitamin E include: 1  nuts, such as hazelnuts, peanuts and almonds. 2  vegetable oils, such as safflower, wheat germ, corn, sunflower. 3  green leafy vegetables, such as spinach and broccoli.  seeds, such as sunflower 1  seeds. breakfast cereals that have been fortified with vitamin  E.