TiO₂ (Nano)Particles Extracted from Sugar-Coated Confectionery

Table 1

Inherent pH values of chewing gums A–E and E171 powder in different fluids: ultrapure water (H₂O), artificial saliva (AS), phosphate buffered saline solution (PBS), Dulbecco’s Modified Eagle Medium for cell cultures (diluted: DMEM 1 : 100; concentrated: DMEM 1 : 1).

Sample	pH
	H2O	AS	PBS	DMEM 1 : 100	DMEM 1 : 1
A	8.8	6.1	7.3	8.7	7.5
B	9.0	7.2	6.9	8.8	8.1
C	8.5	6.9	7.5	8.3	7.5
D	7.2	6.7	7.1	7.7	8.2
E	7.3	7.6	7.2	7.7	7.5
E171	6.7	6.4	7.2	7.5	7.5