Oils are used for cooking, massaging etc. Only some of us know their properties. Ayurveda discusses about the properties of oils from different sources.
Sesame oil:- This oil have the ability to penetrate deeply into skin. It is hot in potency and kills worms. When processed well, the oil acquires the ability to cure many diseases.
Castor Oil:- The castor oil is laxative, hard to digest and is capable of penetrating deep into the skin.
Mustard Oil:- The oil is hot in potency, penetrates deep into skin and easily digestible.
Neem Oil:- This oil is not very hot, destroys worms and other skin disorders.
Linseed Oil and Sunflower Oil:- These oils are hot in potency.
The text also discusses about the Vasa(muscle fat), Majja (Bone marrow) and Medas (fat). They increases the body strength.