Table 1. The pH of kefir added with different concentrations of hyaluronic acid

Add different concentrations of hyaluronic acid to sample
	0% as Control	1%	3%	5%	7%	9%	12%	15%	20%
pH of Kefir	3.58	3.53	3.50	3.50	3.50	3.50	3.48	3.47	3.46