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Depression: 21st Century Solutions + The Dark Side of Wheat

Abstract Title:

Antihypertensive potential and mechanism of action of astaxanthin: III. Antioxidant and histopathological effects in spontaneously hypertensive rats.

Abstract Source:

Biol Pharm Bull. 2006 Apr;29(4):684-8. PMID: 16595899

Abstract Author(s):

Ghazi Hussein, Hirozo Goto, Shinobu Oda, Ushio Sankawa, Kinzo Matsumoto, Hiroshi Watanabe

Abstract:

We investigated the effects of a dietary astaxanthin (ASX-O) on oxidative parameters in spontaneously hypertensive rats (SHR), by determination of the level of nitric oxide (NO) end products nitrite/nitrate (NO2-/NO3-) and lipid peroxidation in ASX-O-treated SHR. Oral administration of the ASX-O significantly reduced the plasma level of NO2-/NO3- compared to the control vehicle (p<0.05). The lipid peroxidation level, however, was reduced in both ASX-O- and olive oil-treated groups. We also analyzed the post-treatment effects of ASX-O on the vascular tissues by examining the changes in the aorta and coronary arteries and arterioles. The dietary ASX-O showed significant reduction in the elastin bands in the rat aorta (p<0.05). It also significantly decreased the [wall : lumen] aerial ratio of the coronary arteries. These results suggest that ASX-O can modulate the oxidative condition and may improve vascular elastin and arterial wall thickness in hypertension.

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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