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34<br />

b)<br />

0,12<br />

0,10<br />

0,08<br />

0,06<br />

0.04<br />

0,02<br />

0,00<br />

c)<br />

0,10<br />

0,08<br />

0,06<br />

0.04<br />

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d)<br />

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Vol. 7, No 1/2015<br />

Rys. 4. Chromatogramy, otrzymane<br />

z zastosowaniem detektora UV-VIS DAD, roztworu<br />

wzorca mirycetyny w acetonitrylu, o stężeniu 2 mg /<br />

ml ACN. Dozowano 20 µl roztworu wzorca.<br />

Kolumna: LiChrospher RP18e, 250 x 4 mm, 5 µm;<br />

Eluent: acetonitryl : woda (3:7 v/v) z dodatkiem<br />

kwasu: a) CH 3COOH, b) TFA, c) HCl, d) H 3PO 4,<br />

e) H 2SO 4, pH w roztworze wodnym = 3, przepływ<br />

1 ml/min, długość fali 370 nm.<br />

Fig. 4 Chromatograms (DAD, λ = 370 nm) obtained<br />

for the standard solution of myricetin in acetonitrile<br />

(C = 2 mg/ml ACN). Sample injection volume: 20 μl.<br />

Column: LiChrospher RP18e, 250 x 4 mm, 5 μm.<br />

Eluent: acetonitrile:water (3:7 v/v) with addition of:<br />

a) CH3COOH, b) TFA, c) HCl , d) H3PO4, e) H2SO4;<br />

pH = 3; flow rate: 1 ml/min.<br />

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