Chin, Goh Chin
(2005)
Effects of zea mays hairs on
physiological parametersheart rate and blood pressure.
Other.
Pusat Pengajian Sains Kesihatan, Universiti Sains Malaysia.
(Submitted)
Abstract
Aqueous extract of the Zea mays hairs was screened for its effect on
heart rate and blood pressure of albino rats. Twelve rats were divided into two
equal groups for two doses of the extract i.e. 50mg/kg and 100mg/kg body
weight. The animals were treated for 7 days, 14 days and 28 days and the
effects were analyzed.
7 days treatment and 14 days treatment of 50mg and 100mg doses did
not show any significant change in heart rate (HR). But 28 days treatment with
somg/kg and 100mg/kg was found to decrease the HR significantly.
50mg dose increased systolic blood pressure, diastolic blood pressure
and mean arterial pressure significantly after 14 days and 28 days treatment but
not in 7 days treatment.
1 oomg dose showed significant increase in systolic blood pressure,
diastolic blood pressure and mean arterial pressure in 7 days, 14 days and 28
days treatment with the extract.
The pulse pressure did not show any significant change for 50mg dose
treatment. But 1 OOmg dose increased pulse pressure significantly after 14 days
and 28 days treatment.
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