Black Cumin (Nigella sativa L.) Seed Oil, active oral deodorizing agent

[:en]Have you ever felt uncomfortable when you had to meet or talk face to face because you don’t have fresh breath? Bad breath affects communication in everyday life.

So, how to fight bad breathing? Oral malodor has recently been treated using mouthwash and brushing with toothpaste. Bad breath or Oral malodor is mostly caused by decomposed food residue, food debris with strong odor or dry mouth due to smoking.

Nakasugi et al. (2017) said the causative substances are methyl mercaptan, hydrogen sulfide, dimethyl sulfide and increasing the amount of sulfur compounds. Many herbal extracts have been improved effectiveness to fight the bacteria or break the chain of odor-producing chemical bonds, such as thyme (Thymus vulgaris L.), green tea extract, sodium cupper chlorophyllin, and rosemary (Rosmarinus officinalis L.).

In the present study, Nakasugi et al. (2017) focused on the essential oil of black cumin seeds for the discovery of new botanical deodorizing agents against the sulfur compounds that cause oral malodor. Black cumin (Nigella sativa L., Ranunculaceae) was traditionally used as a spice as well as a folk medicine as a natural remedy for various diseases from ancient times. This seed has several biological active compounds, such as menthane-type monoterpenes thymol, carvacrol, thymoquinone, and dihydrothymoquinone. These seeds have been reported to exhibit anti-tumor, anti-inflammatory, antioxidant, and antibacterial activities.

[1] Nakasugi T., T. Murakawa, K. Shibuya and M. Morimoto. Deodorizing Substance in Black Cumin (Nigella sativa L.) Seed Oil. Journal of Oleo Science. 66, (8) 877-882 (2017) doi : 10.5650/jos.ess17001

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