Structural change due to environmental factors (26 ± 2 °C, 60 ± 5% Rh). LFM (lactose-free milk 1.5%), M3.5 (Mizo milk 3.5%), M1.5 (Mizo milk 1.5%), F (Formula: Nutricia Nutridrink Diacare Vanilla flavour), S (soya), H (hazelnut), R (rice), C (coconut), and A (almond).