0.25 milligrams of codliver oil are present in a teaspoon.
They used butter and vegetable oil for cooking.
Mineral oil should NEVER be used for cooking. It is a petroleum byproduct, not a food-based cooking oil.
Vegetable Oil Fuel Conversion
vegetable oil
Yes.
J. von Mering has written: 'A substitute for codliver-oil' -- subject(s): Cod-liver oil
Used cooking oil has been previously used to cook food in and reserved to use again later.
Cooking.
You can boil the seeds into a cooking oil.
Olive oil.
Used oil is oil that has already been employed for a purpose. Used motor oil, for example, is motor oil that has been run through an engine. Used cooking oil is oil that has been utilized in the preparation of food.