A review on olive oil and nigella sativa l. Black cumin seed oil: Composition and biological activity

Abstract

Olive oil and black cumin seed oil have large areas of applications, and the most important of them are medical applications. They can be used to treat skin diseases. The black cumin seed oil has been used to treat eczema and psoriasis, while olive oil has been used to treat eczema and protect the skin. Many cosmetics products contain olive oil and black cumin seed oil. The major fatty acids composition of olive oil is palmitic acid (7.5-20%), oleic acid (55-83%), and linoleic acid (3.5-21%). The black cumin seed oil contains moisture, fat, protein, ash and total carbohydrates contents were in the range of 3.8 to 7.0%, 22.0 to 40.4%, 20.9 to 31.2%, 3.7 to 4.7% and 24.9 to 40%, respectively. Oleic and linoleic acids are essential fatty acids. These essential fatty acids are substances that the body needs in order to maintain cellular health as well as to prevent inflammation in the body. In this review, our motivation is to provide a comprehensive review of olive and Nigella sativa L. black cumin oils-their composition and biological activity.