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Molecules 2012, 17(10), 11585-11597; doi:10.3390/molecules171011585

Protective Effect of Total Flavonoids of Seabuckthorn (Hippophae rhamnoides) in Simulated High-Altitude Polycythemia in Rats

1
Base for Drug Clinical Trial, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, China
2
Research Division, Southwest Hospital, Third Military Medical University, Chongqing 400038, China
*
Author to whom correspondence should be addressed.
Received: 14 May 2012 / Revised: 4 September 2012 / Accepted: 4 September 2012 / Published: 28 September 2012
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Abstract

Seabuckthorn (Hippophae rhamnoides L.) has been used to treat high altitude diseases. The effects of five-week treatment with total flavonoids of seabuckthorn (35, 70, 140 mg/kg, ig) on cobalt chloride (5.5 mg/kg, ip)- and hypobaric chamber (simulating 5,000 m)-induced high-altitude polycythemia in rats were measured. Total flavonoids decreased red blood cell number, hemoglobin, hematocrit, mean corpuscular hemoglobin levels, span of red blood cell electrophoretic mobility, aggregation index of red blood cell, plasma viscosity, whole blood viscosity, and increased deformation index of red blood cell, erythropoietin level in serum. Total flavonoids increased pH, pO2, SpO2, pCO2 levels in arterial blood, and increased Na+, HCO3, Cl, but decreased K+ concentrations. Total flavonoids increased mean arterial pressure, left ventricular systolic pressure, end-diastolic pressure, maximal rate of rise and decrease, decreased heart rate and protected right ventricle morphology. Changes in hemodynamic, hematologic parameters, and erythropoietin content suggest that administration of total flavonoids from seabuckthorn may be useful in the prevention of high altitude polycythaemia in rats.
Keywords: total flavonoids of Hippophae rhamnoides; high-altitude polycythemia; hemodynamic parameters; hematologic parameters; erythropoietin total flavonoids of Hippophae rhamnoides; high-altitude polycythemia; hemodynamic parameters; hematologic parameters; erythropoietin
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Zhou, J.-Y.; Zhou, S.-W.; Du, X.-H.; Zeng, S.-Y. Protective Effect of Total Flavonoids of Seabuckthorn (Hippophae rhamnoides) in Simulated High-Altitude Polycythemia in Rats. Molecules 2012, 17, 11585-11597.

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