Functional properties and toxicity

Nigella seed and oil are known to possess several pharmacological properties such as detergent, sedative, anti-inflammatory and expectorant. From ancient times, Nigella, because of its insect repellent properties, has been used as a seed spread in woollens and silk clothes to protect them from insects and used like moth balls. The presence of the carboxyl compound nigellone and non-carboxyl fractions are reported to protect guinea pigs against histamine-induced broncho-spasm and phenolic...

Production consumption and processing

Most of the herbal spices originated in Mediterranean countries and have been used since ancient Egyptian and Roman times mainly for the purpose of embalming. Even today, the Mediterranean zone is the major source of herbal spices, and Germany, France and the USA are the major producers of high-quality cultivated herbs. Curly parsley, chives and dill are widely grown in Germany, while flat parsley and tarragon are widely grown in France. The USA has cultivation of high-quality herbs such as...