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Cardio-Vascular Botanical Agents

Garlic Oil Compound May Confer Heart-Protective Benefits

6 years, 11 months ago

1049  0
Posted on Dec 07, 2011, 6 a.m.

Diallyl trisulfide, a compound found in garlic oil, may help release protective compounds to the heart after heart attack, during cardiac surgery, or as a treatment for heart failure.

Whereas at low concentrations, hydrogen sulfide gas has been found to protect the heart from damage, the substance is unstable and volatile, rendering it difficult to deliver as therapy. David Lefer, from Emory University School of Medicine (Georgia, USA), have discovered that diallyl trisulfide, a garlic oil component, is a more stable and effective way to deliver the benefits of hydrogen sulfide to the heart. Their findings suggest that doctors could use diallyl trisulfide in many of the situations where researchers have proposed using hydrogen sulfide.  The researchers blocked coronary arteries of mice for 45 minutes, simulating a heart attack, and gave them diallyl sulfide just before blood flow was restored. The compound reduced the proportion of damaged heart tissue in the area at risk by 61%c, as  compared with untreated animals.  "Interruption of oxygen and blood flow damages mitochondria, and loss of mitochondrial integrity can lead to cell death," comments Lefer, who submits that: "We see that diallyl sulfide can temporarily turn down the function of mitochondria, preserving them and lowering the production of reactive oxygen species."

Benjamin Predmore; Shashi Bhushan; Juan Pablo Aragon; Bennette Grinsfelder; Adrienne King; John David Lefer; et al.  “The Novel Hydrogen Sulfide Donor Diallyl Trisulfide Protects Against Ischemia-Reperfusion Injury by Inhibition of Mitochondrial Respiration” [Abstract 16646].  Presented at American Heart Association Annual Meeting 2011, November 16, 2011.

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