The Scientific World Journal

Research Article

Secondary Metabolites of Hypericum leptophyllum Hochst., an Endemic Turkish Species

Figure 1

HPLC chromatogram of Hypericum leptophyllum methanolic extract detected by UV at 353 nm wave length. Peak identified: 1—chlorogenic acid (retation time ( 𝑡 𝑅 )—9.61 min.), 2—hyperoside ( 𝑡 𝑅 —16.13 min.), 3—isoquercetine ( 𝑡 𝑅 —16.49 min.), 4—quercetrine ( 𝑡 𝑅 —17.45 min.), 6–quercetine–( 𝑡 𝑅 —18.62 min.).
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