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การพัฒนาตํารับยาสีฟนสมุนไพร - Faculty of Pharmacy, Mahidol ...

การพัฒนาตํารับยาสีฟนสมุนไพร - Faculty of Pharmacy, Mahidol ...

การพัฒนาตํารับยาสีฟนสมุนไพร - Faculty of Pharmacy, Mahidol ...

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47<br />

1 2 3 4 5 1 2 3 4 5 1 2 3 4 5<br />

ฝรั่ง 254 nm ฝรั่ง 366 nm ฝรั่ง white<br />

Solvent system : Ethylacetate : formic acid : glacial acetic acid : H 2 O , 10 : 1.1 : 1.1 : 2.7<br />

Absorbent : silica gel GF 254 aluminum sheet<br />

Detection : spray with 10% ethanolic sulfuric acid and heated on the hotplate until the<br />

colors develop<br />

1 = Tannins<br />

2 = Quercetin<br />

3 = Rutin<br />

4 = G1a<br />

5 = Guava extract<br />

รูปที่ 1 Thin-layer chromatogram <strong>of</strong> Psidium guajava leaf extract

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