The crude extract of oroxylum indicum peel ethanol solvent volume and more TPC TFC crude extract from bark violently with water as solvent. But the crude extract of oroxylum indicum shell using water as a solvent to give IC50. Show how do dissolve ethanol can extract antioxidants effectively better solvent water. In the case of the crude extract of ethanol and the TPC TFC high and low value IC50, so as a result reflects that antioxidants that may be active substances of phenol and flavonoid. To inhibit the growth of bacteria in 2 type is S. Aureus E. And coli.By the way Disc diffusion method on medium NA show that the crude extract of the 2 solvent type effective inhibition. S. Aureus E. Coli and found that the crude extract of ethanol can inhibit the growth of S. Aureus best to study the lowest concentration that can inhibit infections. S. Aureus, found that the crude extract of low concentration ethanol was possible. But the crude extract of solvent concentration can inhibit both the least E infections. Coli rate in the lowest concentration that can be disinfected. S. Aureus E. Coli and has found that the crude extract of both types of solvent can be sterilized and S. Aureus E. Coli at the concentration rate. The effective in inhibiting bacteria, both species found that the crude extract น้ำมี effective in inhibiting S infections. Aureus. The best. But both the crude extract of ethanol and water efficiency in the inhibition of E infections. Coli rate, it can be seen that the type of solvents on Extraction of phenolic substances, and flavonoids. And the effective in inhibiting bacteria.
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