Table 2.
Ca flux rates at different Ca concentrations and with different Ca salts on the mucosal side
SCFA muc | Buffer muc/ser | pH muc | Ca salt | Ca mmol L−1 | J ms | J sm | Ca mmol L−1 | Jms nmol cm−2 h−1 | N |
---|---|---|---|---|---|---|---|---|---|
nmol cm−2 h−1 | |||||||||
− | A/A | 7.40 | Ca chloride | 1.2 | 15.98 ± 1.76 | 12.82 ± 1.62 | 6 | ||
+ | B/A | 7.44 | Ca chloride | 1.2 | 25.08 ± 3.10 | 11.33 ± 2,24 | 6 | ||
+ | C/A | 6.55 | Ca chloride | 1.2 | 16.4 ± 8.0 | 3.74 | 73.7 ± 25.1 | 4 | |
+ | C/A | 6.55 | Ca formate | 1.2 | 16.4 ± 9.8 | 3.74 | 73.0 ± 33.6 | 4 | |
+ | C/A | 6.55 | Ca propionate | 1.2 | 16.0 ± 6.0 | 3.74 | 71.8 ± 16.4 | 4 | |
+ | E/D | 6.52 | Ca chloride | 1.2 | 10.66 ± 1.06 | 9.62 ± 0.62 | 11.2 | 111.90 ± 13.37 | 6 |
Data are mean ± SEM. N = number of animals. For the composition of buffer solutions see Table1.