Table 2.
Source | Daily intake | References | ||
---|---|---|---|---|
Silicon (Si) | mg/day | mg/kg bw/day | ||
Food (naturally and from additives), Western population | 20–50 | 0.3–0.8 | EFSA (2004), Jugdaohsingh (2007) and Jurkić et al. (2013) | |
Food (mainly plant based) | 140–204 | Cited in Jugdaohsingh (2007) | ||
Food (BE) | 18.6 ± 8.5 | Robberecht et al. (2009) | ||
Beer (1 litre) | 6.4–56.5 | Casey and Bamforth (2010) | ||
Dietary supplements | 1–75, up to 700 | 0.017–1.5, up to 12 | EFSA (2004, 2009) | |
Silica (SiO2) | ||||
E 551 in food (NL) | 658 124 (“nanosilica”) |
9.4 (“dissolved”) 1.8 (“nanosilica”a) |
Dekkers et al. (2011) | |
E 551 in food | 0.28–4.53 | (FCRA 2016) | ||
Dietary supplements | up to 1500 | up to 25 | EFSA (2009) | |
Mixed silicate particles in food | 35 (0–254) | Lomer et al. (2004) | ||
Toothpaste containing 30 % SAS | 41 | 0.65 | Using intake data from (SCCS 2015)b | |
E 551 in medicines | 0.2 | Based on two oral tablets/day à 0.5 g with 0.02 % E 551 |
aParticle size range 1–200 nm
b(SCCS 2015): daily intake, toothpaste = 138 mg or 2.16 mg/kg bw