Table 2. pH Stability results of glutamate-aspartate cardioplegia solution packaged in polyolefin bags (n = 3).

Storage temperature and bag type	pH
	Initial	1 month	2 month
2°C–8°C DEHP free	7.00 ± 0.02	7.02 ± 0.01	7.01 ± 0.01
2°C–8°C DEHP in ports	7.01 ± 0.01	7.01 ± 0.01	7.00 ± 0.02

Note: DEHP = di-(2-ethylhexyl)phthalate.