Black Cumin Seed – some research

Dr. Weeks’ Comment: The science behind the black cumin oil,   search “black cumin” at the US National Library of Medicine at the NIH     Here below are some sample  impressive article.

Note the claims re CANCER:

“…Nigella sativa has been used as traditional medicine for centuries. The crude oil and thymoquinone (TQ) extracted from its seeds and oil are effective against many diseases like cancer, cardiovascular complications, diabetes, asthma, kidney disease etc. It is effective against cancer in blood system, lung, kidney, liver, prostate, breast, cervix, skin with much safety. The molecular mechanisms behind its anticancer role is still not clearly understood, however, some studies showed that TQ has antioxidant role and improves body’s defense system, induces apoptosis and controls Akt pathway…”

 

 and re PAIN

“…These results suggest that NSP have analgesic and anti-inflammatory effects. The lack of analgesic effect of NSP in the light tail flick test and also the failure of naloxone to reverse the analgesia in the formalin test reveal that mechanisms other than stimulation of opioid receptors are involved…”

 

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Phytother Res. 2004 Mar;18(3):195-9.

Black cumin seed essential oil, as a potent analgesic and antiinflammatory drug.

Hajhashemi V, Ghannadi A, Jafarabadi H.

Source

Department of Pharmacology, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan 81746-73461, Iran. vhajhashemi@hotmail.com

Abstract

The steam-distilled essential oil of Iranian black cumin seed (Nigella sativa L.) was investigated for its composition and analgesic and antiinflammatory properties. After oil analysis by GC/MS, 20 compounds were identified in the oil, obtained in 0.4% (v/w) yield. Among them, para-cymene (37.3%) and thymoquinone (13.7%) were the major components. Acetic acid-induced writhing, formalin and light tail flick tests were used for assessment of analgesic activity. Antiinflammatory activity was evaluated using carrageenan-induced paw oedema in rats and croton oil-induced ear oedema in mice. Black cumin seed essential oil (BCSEO) was found to produce a significant analgesic effect in acetic acid-induced writhing, formalin and light tail flick tests. Naloxone, an opioid antagonist, could not reverse the analgesic effect observed in the formalin test. Although oral administration of BCSEO at doses of 100, 200 and 400 micro L/kg did not exert a significant antiinflammatory effect in the carrageenan test, i.p. injection of the same doses significantly (p < 0.001) inhibited carrageenan-induced paw oedema. BCSEO at doses of 10 and 20 micro L/ear could also reduce croton oil-induced oedema. It seems that mechanism(s) other than opioid receptors is (are) involved in the analgesic effect of BCSEO since naloxone could not reverse this effect. Both systemic and local administration of BCSEO showed antiinflammatory activity. Thymoquinone, as one of the major components of BCSEO, probably has an important role in these pharmacological effects.

 

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J Med Food. 2005 Winter;8(4):488-93.

An investigation of the analgesic and anti-inflammatory effects of Nigella sativa seed polyphenols.

Ghannadi A, Hajhashemi V, Jafarabadi H.

Source

Department of Pharmacognosy, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran. ghannadi@pharm.mui.ac.ir

Abstract

Extracts obtained from the seeds of Nigella sativa are used as a spice or remedy for the treatment of various inflammatory diseases. The purpose of this study was to examine the analgesic and anti-inflammatory effects of its polyphenols. N. sativa seed polyphenols were prepared, and analgesic and anti-inflammatory effects were studied in mice and rats using the acetic acid-induced writhing, formalin, light tail flick, carrageenan-induced paw edema, and croton oil-induced ear edema tests. In the acetic acid-induced writhing test, oral administration of N. sativa polyphenols (NSP) decreased the number of abdominal constrictions. Both oral and intraperitoneal administration of NSP significantly suppressed in a dose-dependent manner the nociceptive response in the early and late phases of the formalin test, and the effect on the late phase was more pronounced. Pretreatment with naloxone failed to reverse the analgesic activity of NSP in this test. NSP did not produce a significant analgesia in the light tail flick test in mice. Oral administration of NSP did not produce a significant reduction in carrageenan-induced paw edema. However, when injected intra-peritoneally, NSP inhibited paw edema in a dosedependent manner. NSP when applied topically failed to reduce croton oil-induced ear edema. These results suggest that NSP have analgesic and anti-inflammatory effects. The lack of analgesic effect of NSP in the light tail flick test and also the failure of naloxone to reverse the analgesia in the formalin test reveal that mechanisms other than stimulation of opioid receptors are involved.

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Afr J Tradit Complement Altern Med. 2011;8(5 Suppl):226-32. doi: 10.4314/ajtcam.v8i5S.10. Epub 2011 Jul 3.

Anticancer activities of Nigella sativa (black cumin).

Khan MA, Chen HC, Tania M, Zhang DZ.

Source

Department of Biochemistry, School of Biological Science and Technology, Central South University, Changsha, Hunan 410013, P R China.

Abstract

Nigella sativa has been used as traditional medicine for centuries. The crude oil and thymoquinone (TQ) extracted from its seeds and oil are effective against many diseases like cancer, cardiovascular complications, diabetes, asthma, kidney disease etc. It is effective against cancer in blood system, lung, kidney, liver, prostate, breast, cervix, skin with much safety. The molecular mechanisms behind its anticancer role is still not clearly understood, however, some studies showed that TQ has antioxidant role and improves body’s defense system, induces apoptosis and controls Akt pathway. Although the anti-cancer activity of N. sativa components was recognized thousands of years ago but proper scientific research with this important traditional medicine is a history of last 2∼3 decades. There are not so many research works done with this important traditional medicine and very few reports exist in the scientific database. In this article, we have summarized the actions of TQ and crude oil of N. sativa against different cancers with their molecular mechanisms.

 

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Phytother Res. 2003 Apr;17(4):299-305.

Pharmacological and toxicological properties of Nigella sativa.

Ali BH, Blunden G.

Source

Department of Veterinary Medicine, King Saud University, Buraydah, Al Gaseem 81999, Saudi Arabia.

Abstract

The seeds of Nigella sativa Linn. (Ranunculaceae), commonly known as black seed or black cumin, are used in folk (herbal) medicine all over the world for the treatment and prevention of a number of diseases and conditions that include asthma, diarrhoea and dyslipidaemia. This article reviews the main reports of the pharmacological and toxicological properties of N. sativa and its constituents. The seeds contain both fixed and essential oils, proteins, alkaloids and saponin. Much of the biological activity of the seeds has been shown to be due to thymoquinone, the major component of the essential oil, but which is also present in the fi ed oil. The pharmacological actions of the crude extracts of the seeds (and some of its active constituents, e.g. volatile oil and thymoquinone) that have been reported include protection against nephrotoxicity and hepatotoxicity induced by either disease or chemicals. The seeds/oil have antiinflammatory, analgesic, antipyretic, antimicrobial and antineoplastic activity. The oil decreases blood pressure and increases respiration. Treatment of rats with the seed extract for up to 12 weeks has been reported to induce changes in the haemogram that include an increase in both the packed cell volume (PCV) and haemoglobin (Hb), and a decrease in plasma concentrations of cholesterol, triglycerides and glucose. The seeds are characterized by a very low degree of toxicity. Two cases of contact dermatitis in two individuals have been reported following topical use. Administration of either the seed extract or its oil has been shown not to induce significant adverse effects on liver or kidney functions. It would appear that the beneficial effects of the use of the seeds and thymoquinone might be related to their cytoprotective and antioxidant actions, and to their effect on some mediators of inflammation.

 

 

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Dr. Weeks’ Comment: The science behind the black cumin oil,   search “black cumin” at the US National Library of Medicine at the NIH     Here below are some sample  impressive article. Note the claims re CANCER: “…Nigella sativa has been used as traditional medicine for centuries. The crude oil and thymoquinone (TQ) extracted from its…
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