Black cumin oil — is a vegetable oil obtained from the seeds of Nigella sativa. It has long been used in traditional dietary systems and folk medicine in the Middle East, North Africa, and Asia. The product is valued for its high concentration of biologically active substances and its characteristic spicy flavor.
In modern nutrition, black cumin oil is considered a functional fat component, especially within low-carbohydrate and ketogenic diets.
History and Origin
Black cumin has been cultivated for over two thousand years. Seeds of Nigella sativa have been found in archaeological excavations in Ancient Egypt, and oil from them was mentioned in medical treatises of antiquity and the Middle Ages.
Traditionally, the oil was used as a food product and an adjunct for various conditions related to digestion and inflammatory processes.
Today, the main producers are considered to be countries in the Middle East, India, and Egypt.
Nutritional Value
Black cumin oil is a concentrated source of fats and contains no carbohydrates or protein. Its energy value is about 880 kcal per 100 ml. The main part of its composition consists of fatty acids:
- linoleic acid (omega-6);
- oleic acid (omega-9);
- a small amount of saturated fatty acids.
The oil also contains phytosterols, tocopherols, and volatile compounds that determine its aroma and biological activity.
Biologically Active Components
The key compound in black cumin oil is thymoquinone. It is being studied as a component with pronounced antioxidant and anti-inflammatory activity.
In addition to thymoquinone, the oil contains:
- carotenoids;
- polyphenolic compounds;
- vitamin E;
- trace elements in minimal amounts.
These substances participate in protecting cells from oxidative stress and supporting metabolic processes.
Glycemic Index and Metabolism
Black cumin oil contains no carbohydrates, and its glycemic index and glycemic load are zero. It does not affect blood glucose levels and does not stimulate insulin release. Therefore, the product is suitable for ketogenic diets, diets for insulin resistance, and low-carbohydrate diets.
Use in the Keto Diet
In the keto diet, black cumin oil is used as an additional source of fats and a flavor accent. It can be used:
- as a salad dressing;
- as an addition to cooked dishes after heat treatment;
- in combination with other cold-pressed oils;
- for consumption in its pure form in small amounts.
Due to its pronounced flavor and high concentration of active substances, moderate consumption is recommended, usually 1–2 teaspoons per day.
Features and Precautions
Black cumin oil is a concentrated product, so it should not be used in large quantities. People with biliary tract diseases, during pregnancy, and with individual intolerance are advised to consult a specialist beforehand.
To preserve its properties, the oil should be stored in a dark, cool place and not subjected to prolonged heating.
Overall, black cumin oil — is a functional fat product that can complement the diet, especially within ketogenic and low-carbohydrate nutrition, provided it is used consciously and moderately.
