TABLE 2 in Concentration data of (+) - usnic acid enantiomer from some European and African samples of Flavoparmelia caperata (L.) Hale (Parmeliaceae, lichenised Ascomycota) - results of a preliminary study

TABLE 2. — Concentrations (with standard deviation) of usnic acid measured by HPLC-PDA (n =28) and (+)-usnic acid measured by chiral chromatography (n =13) in the collected samples of Flavoparmelia caperata (L.) Hale (Table 1). Symbols: *, mean concentration measured by HPLC-PDA; **, mean concentration measured by chiral HPLC. Sample Usnic acid*(+)-usnic acid**number (mg g –1 dry weight)(mg g –1 dry weight)112.35 ±1.99–29.03±4.17–38.66±2.68–412.95 ±3.51–58.47±0.1717.90 ± 0.4368.78±0.2018.23 ± 0.19711.48 ±1.009.77± 0.07811.22 ±0.8419.13 ± 0.7997.71±1.2615.54 ± 0.79109.04±0.5415.37 ± 0.45119.28±0.2013.23 ± 0.22126.83±0.795.08± 0.281314.43 ±0.3617.84 ± 0.47148.92±0.929.27± 0.42159.92±0.90–1619.23 ±1.6126.43 ± 0.241714.73 ±2.22–18–13.59 ± 0.5019–20.27 ± 1.442010.62 ±0.38–219.33±1.30–225.21±0.30–2323.54 ±0.58–249.55±0.96–2511.94 ±1.06–2612.89 ±1.25–279.96±0.63–2810.30 ±0.35–296.15±0.76–306.92±0.98–