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

Table 2

Comparison of the content (mg/g DW) of chlorogenic acid, hyperoside, isoquercetine, quercitrine, and quercetine in Hypericum leptophyllum and Hypericum perforatum (compiled from referred sources).

Compounds	H. leptophyllum	H. perforatum	References
Chlorogenic acid	14.01–24.55	1.11–2.19	Maggi et al. [13]
Hyperoside	1.84–3.74	2.07–7.69	Maggi et al. [13]
Isoquercetine	8.42–16.98	—	No previous report
Quercitrine	0.00–0.10	0.05–4.77	Radusiene et al. [18]; Mártonfi et al. [15]
Quercetine	1.61–2.39	0.05–24.12	Radusiene et al. [18]; Mártonfi et al. [15]