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. 2020 Jun 3;9(6):484. doi: 10.3390/antiox9060484

Table 4.

Dietary and faecal carotenoids concentrations (p50 [p25–p75]).

Carotenoid Intake (μg/day) Concentration (μg/g DW) Concentration (μg/g WW) Estimated Concentration in Faeces (μg/24 h) * Estimated Percentage of Loss (%)
Lutein+zeaxanthin 1148 (666–1907) 25.48 (17.46–44.64) 13.35 (7.86–23.43) 1709 (1005–2999) 148.4 (77.9–309.5)
β-Cryptoxanthin 480 (142–984) 4.48 (1.79–7.81) 2.30 (0.79–4.40) 294 (101–563) 46.5 (16.5–159.1)
α-Carotene 283 (56–751) 5.29 (0.53–11.88) 2.50 (0.29–6.48) 320.0 (36.5–828.8) 86.4 (10.9–467.7)
Total β-Carotene 1812 (1081–3192) 39.54 (23.0–59.01) 19.13 (11.02–35.94) 2449 (1411–4600) 150.4 (65.5–264.9)
Lycopene 13146 (5143–26876) 20.02 (9.57–34.55) 10.97 (5.16–19.22) 1404 (660–2460) 11.5 (4.0–25.4)
Phytoene * 2697 (1560–4207) 11.37 (4.30–20.00) 5.67 (1.94–11.14) 726 (248–1425) 24.5 (10.7–62.4)
Phytofluene * 610 (310–953) 3.04 (0–8.08) 1.77 (0–4.60) 227 (0–590) 32.1 (0–84.4)
Provitamin A carotenoids 2913 (1640–4507) 53.91 (29.88–83.0) 25.81 (14.71–49.44) 3304 (1883–6328) 122.6 (59.8–231.0)
Non-pro A carotenoids 20384 (9104–31040) 66.37(42.33–102.5) 34.38 (21.68–58.79) 4334 (2760–7513) 32.3 (17.1–91.0)

* Normal distribution.