Research Article

Formation of Short-Chain Fatty Acids, Excretion of Anthocyanins, and Microbial Diversity in Rats Fed Blackcurrants, Blackberries, and Raspberries

Table 2

Content (g/100 g, dwb) and faecal excretion (%) of dietary fibre in rats fed a diet containing blackcurrant, blackberry, and raspberry, and L. plantarum HEAL19.

Content and composition (g/100 g, dwb)Faecal excretion (% of intake)
BlackcurrantBlackberryRaspberry BlackcurrantBlackberryRaspberry

Rhamnose 0.2b(1) 0.4a(2)0.3b(2)0.00136b41a40ab0.046
Fucose0.03b(<0.5)0.1a(<0.5)0.04b (<0.5)0.008655956NS
Arabinose0.8b(5)1.1a (4) 1.1c(6)<0.00117b16b10a<0.001
Xylose0.8b(5)5.1a (20)3.1c(16)<0.00126a49b54b<0.001
Mannose2.6a(16)0.4b(2)0.4b(2)<0.001433533NS
Galactose0.9(5)0.7(3)0.9(5)NS25b41a22b<0.001
Glucose3.5b(21)10.2a(40)7.2c(38)<0.00140a51b53b<0.001
Uronic acids7.9b(47)7.5b(29)5.9a(31)0.01111a15b16b<0.001
Dietary fibre polysaccharides16.7b(100)25.5a(100)18.9c(100)<0.00125b37a38a<0.001
Klason lignin5.0a6.0ab6.7b0.032NDNDND
Total dietary fibre121.731.525.6

Values within parentheses show the composition of dietary fibre (%).
1The proportion of soluble dietary fibre was for blackcurrant 43%, blackberry 18%, and raspberry 25%.
a,b,cMean values within a row, with unlike superscripts are significantly different ( ).