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Table 3 Fecal short chain fatty acid (μmol/L per g dry matter) and pH after kefir or milk consumption

From: Kefir consumption does not alter plasma lipid levels or cholesterol fractional synthesis rates relative to milk in hyperlipidemic men: a randomized controlled trial [ISRCTN10820810]

  KEFIR MILK
SCFA Day 0 Day 28 Day 0 Day 28
Acetic 247 ± 110 278 ± 129 228 ± 77 269 ± 104
Butyric 80 ± 53 99 ± 61 77 ± 38 75 ± 36
Isobutyric1 8.6 ± 4.1 10 ± 6.9 7.8 ± 2.5 11 ± 3.9
Valeric 13 ± 6 13 ± 6 13 ± 7 14 ± 7
Isovaleric1 14 ± 5 16 ± 8 12 ± 4 17 ± 6
Propionic1 95 ± 52 117 ± 66 85 ± 42 105 ± 61
Total SCFA1 458 ± 192 535 ± 239 423 ± 149 492 ± 196
Fecal (pH) 6.5 ± 0.5 6.8 ± 0.6 6.5 ± 0.5 6.7 ± 0.4
  1. Values are means ± SD, n = 12. 1significant effect of time during both kefir and milk supplementation, p < 0.05.