ONWORDI EMMANUELLA OBIANUJU
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Abstract
One of the most well-known medicinal plants, Andrographis paniculata (family Acanthaceae), has been used for centuries in Asia, America, and Africa to treat a wide range of illnesses, including cancer, diabetes, high blood pressure, ulcers, leprosy, bronchitis, skin conditions, flatulence, colic, influenza, dysentery, dyspepsia, and malaria. This study evaluated the antioxidant properties of the medicinal herb, Andrographis paniculata with standard methods. Here, the DPPH, FRAP, TAC and hydrogen peroxide assays were carried out to determine the antioxidant activity of carbonated drink extract of A. paniculata. Each assay had corresponding
values for the standard and the carbonated drink extract. With the exception of the DPPH assay, the IC50 values for the carbonated drink extract were lower compared to that of the standard (ascorbic acid). Judging from the IC50 values, it therefore indicated that the carbonated drink extract had more antioxidant activity than the standard, showing that the carbonated drink extract of A. paniculata has a better antioxidant potency
values for the standard and the carbonated drink extract. With the exception of the DPPH assay, the IC50 values for the carbonated drink extract were lower compared to that of the standard (ascorbic acid). Judging from the IC50 values, it therefore indicated that the carbonated drink extract had more antioxidant activity than the standard, showing that the carbonated drink extract of A. paniculata has a better antioxidant potency
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