FIGURE 1.

The number of viable cells of L. acidophilus (log CFU/g) in probiotic yoghurt after 1, 14 and 28 days of storage in refrigerator (n = 3). F: yogurt containing free (without microencapsulated) L. acidophilus, Alg: yogurt containing L. acidophilus microencapsulated with sodium alginate; AlgW: yogurt containing L. acidophilus microencapsulated with sodium alginate and coated with whey protein; AlgX: yogurt containing L. acidophilus microencapsulated with sodium alginate and coated with xanthan; AlgWX: yogurt containing L. acidophilus microencapsulated with sodium alginate and coated with whey protein and xanthan. Uppercase letters above columns indicate significant difference (p <.05) among different treatments for the same storage period. Lowercase letters above columns indicate significant difference (p <.05) among different storage period for each treatment