Table 1.

Carotenoids and chlorophylls profiling and quantification in Adiantum leaves.

Peak	Rt (min)	Identity	Absorption spectra (nm)	Peak Purity (%)	Composition (μg/g)*	Identification
1	2.5	Pheophytin a′	652, 468	99.3	14.6 ± 0.2	Minguez-Mosquera et al., 1992
2	4.5	Pheophytin b	656, 436	98.4	1.86 ± 0.5	Minguez-Mosquera et al., 1992
3	5.4	Pheophytin b′	654, 440	99.5	37.2 ± 0.1	Minguez-Mosquera et al., 1992
4	6.2	Pheophytin a	666, 610	99.8	20.4 ± 0.3	Minguez-Mosquera et al., 1992
5	8.6	β-Carotene-5,6-epoxide	470, 442, 418	99.8	43.6 ± 1.2	Zeb, 2012
6	9.3	9′-Z-Neoxanthin	466, 436, 414	98.8	142.8 ± 1.1	Updike and Schwartz, 2003
7	9.9	All-E-violaxanthin	470, 440, 416	99.6	82.2 ± 1.1	Standard
8	10.4	Neochrome	448, 422, 398,	99.8	13.4 ± 0.1	Edelenbos et al., 2001
9	10.7	Neochrome isomer	448, 422, 398, 280	99.9	27.2 ± 0.8	Edelenbos et al., 2001
10	14.3	All-E-Lutein	474, 446, 422	99.9	806.0 ± 0.5	Standard
11	16.5	9-Z-Lutein	468, 440, 418, 330	99.2	51.4 ± 0.5	Standard
12	17.1	9′-Z-Lutein	466, 440, 418, 330	99.3	38.8 ± 1.2	Standard
13	22.1	Chlorophyll b′	652, 464	99.5	410.0 ± 2.2	Edelenbos et al., 2001
14	25.1	Chlorophyll a	664, 432	99.9	162.4 ± 1.1	Standard

The compounds were identified by comparing absorption spectra of the sample with the available standards or from the absorption spectra reported in the literature.

^*Values are expressed as mean ± standard deviation (SD) of replicate readings based on fresh weight.