Table 2. Changes in pH of fresh beef during transport and delivery using cold chain container

	Treatment	Storage period (day)
		0	1	2	3	4	7	9
		pH	EPS1)	5.63±0.04Ab3)	5.58±0.09Ab	5.78±0.04Aa	5.85±0.11Aa	-	-	-
TEPP2)-1	5.63±0.04Ab		-	5.58±0.04Bb	-	5.58±0.05Ab	5.66±0.10Ab	6.00±0.09Aa
TEPP-2	5.63±0.04Ab		-	5.58±0.07Bb	-	5.54±0.07Ab	5.94±0.16Aa	-

EPS : Expandable polystyrene.
TEPP : Thermoelectric expanded polypropylene.
Means in the same row with different superscripts (a-b) are significantly different (p<0.05). Means in the same column with different superscripts (A-B) are significantly different (p<0.05).