Fig. 4

Scanning electron micrographs of free and immobilized LP in milk powder. a LP-M at 3000× magnification, b LP-HM-M at 3000× magnification, c LP-M at 10000× magnification, and d LP-HM-M at 10000× magnification. LP = L. plantarum NCIMB 8826, LP-M = powder containing free LP and milk, and LP-HM-M = powder containing LP immobilized with Hi-maize starch and milk