TABLE 2.

Simulated digestion of free and encapsulated Bifidobacterium longum.

	Free cells		Alg-Bl		Ch-Alg-Bl
pH	Gastric	Intestinal	Gastric	Intestinal	Gastric	Intestinal
	2.50±0.02	6.80±0.02	2.50±0.02	6.80±0.02	2.50±0.02	6.80±0.02
Time (min)	Log CFU/g ± SEM
0	$9.30\pm 0.08{}^{\mathrm{aA}}$	$9.30\pm 0.08{}^{\mathrm{aA}}$	$9.08\pm 0.18{}^{\mathrm{aA}}$	$9.08\pm 0.18{}^{\mathrm{aA}}$	$9.11\pm 0.06{}^{\mathrm{aA}}$	$9.11\pm 0.06{}^{\mathrm{aA}}$
5	$8.83\pm 0.53{}^{\mathrm{a}}$	$4.16\pm 0.10{}^{\mathrm{b}}$	$8.56\pm 0.21{}^{\mathrm{a}}$	$6.09\pm 0.26{}^{\mathrm{b}}$	$8.99\pm 0.06{}^{\mathrm{ab}}$	$8.20\pm 0.53{}^{\mathrm{b}}$
15	$8.66\pm 0.13{}^{\mathrm{a}}$	–	$6.95\pm 0.41{}^{\mathrm{b}}$	$4.07\pm 0.17{}^{\mathrm{c}}$	$8.69\pm 0.41{}^{\mathrm{ab}}$	$7.27\pm 0.06{}^{\mathrm{cf}}$
30	$7.31\pm 0.19{}^{\mathrm{b}}$	–	$5.20\pm 0.38{}^{\mathrm{c}}$	–	$8.59\pm 0.36{}^{\mathrm{ac}}$	$7.45\pm 0.29{}^{\mathrm{bc}}$
60	$5.55\pm 0.19{}^{\mathrm{c}}$	–	–	–	$8.34\pm 0.27{}^{\mathrm{bc}}$	$6.94\pm 0.44{}^{\mathrm{ce}}$
120	–	–	–	–	$7.84\pm 0.26{}^{\mathrm{c}}$	$6.43\pm 0.13{}^{\mathrm{def}}$

Values are shown as the mean ± standard deviation. Means within each column followed by the same lowercase letters are not significantly different (p > 0.05). Means within each row followed by the same uppercase letters are not significantly different (p > 0.05).