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THE USE OF MORINGA SEED EXTRACT IN WATER PURIFICATION

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Author(s): Daniyan Safiya Yahaya | Abalaka Moses Enemaduku | Eru E.O.

Journal: International Journal of Research in Ayurveda and Pharmacy
ISSN 2229-3566

Volume: 2;
Issue: 4;
Start page: 1265;
Date: 2011;
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Keywords: Moringa oleifera | Waterborne diseases | Coliform

ABSTRACT
The high cost of treated water makes most people in the rural communities to resort to readily available sources which are normally of low quality exposing them to waterborne diseases. It is in this light that this research was carried out to confirm the effectiveness of powder extracted from mature-dried Moringa oleifera seeds which is commonly available in most rural communities of Africa. This was done using Completely Randomised Design with loading doses of 1, 2, 3, 4, and 6 g/l of the powder processed from Moringa seeds, and potash aluminium sulphate (alum) as coagulant. A control (water from the pond with only distilled water without alum and Moringa treatments) was also included. The turbidity, pH, and conductivity and total coliform were determined for all the samples. The turbidity for the samples ranged from log100.37 to log101.00NTU while the conductivity ranged from log101.56 to log102.86┬ÁS/cm. The 6 g/l treatment of Moringa and 4 and 6 g/l potash alum treatments gave values that are acceptable according to the World Health Organization (WHO) guidelines for safe drinking water. The control sample gave the higher extremes values which are unacceptable. The pH values (7.29 to 7.89) obtained for the treatments were in the recommended range set by World Health Organization (WHO). Comparative studies with potash alum showed that the seed was effective in the sedimentation of inorganic and organic matter in raw water. It reduced the total microbial and coliform counts by 55% and 65%, respectively, after 24 hours whereas potash alum achieved 65% and 85% reduction under similar condition. The Most Probable Number per 100 ml for total coliform counts had values from 3 to 23 at 95% confidence limits. The Moringa treatment gave lower counts. Findings of this research lend support to earlier works recommending the use of Moringa for water treatment.
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