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Scanning electron microscopy (SEM) images (magnification x500) of arabic gum microparticles with microencapsulated β-carotene. (a) 9.4 %AG, 123.2°C; (b) 9.4 %AG, 186.8°C; (c) 30.6 %AG, 123.2°C; (d) 30.6 %AG, 186.8°C; (e) 20 %AG, 155°C; (f) 5 %AG, 155°C; (g) 35 %AG; 155°C; (h) 20 %AG, 110°C; (i) 20 %AG, 200°C.
