Table 4. Caffeine content of the milk beverage supplemented with coffee during storage at 10, 20, and 30°C (mg/mL)

Storage Temperature (°C)	Storage period (wk)

	0	1	2	4	6	8
10	0.43±0.01^A	0.41±0.01^AB	0.40±0.00^B	0.40±0.00^Ba	0.40±0.01^B	0.41±0.01^ABa
20	0.43±0.01	0.39±0.05	0.41±0.00	0.38±0.01^b	0.40±0.01	0.39±0.01^b
30	0.43±0.01^A	0.43±0.01^A	0.40±0.01^BC	0.39±0.01^Cab	0.40±0.01^BC	0.41±0.00^Ba