Table 1 Preparation recipe of model broth for perceived flavor profile

Ingredients (g)	NaCl concentration (mmol/L)
	25	30	35	40	45	50	55	60	65	70	75	80
Na-glutamate	1.90	1.90	1.90	1.90	1.90	1.90	1.90	1.90	1.90	1.90	1.90	1.90
Maltodextrin	6.38	6.38	6.38	6.38	6.38	6.38	6.38	6.38	6.38	6.38	6.38	6.38
Yeast extract	2.10	2.10	2.10	2.10	2.10	2.10	2.10	2.10	2.10	2.10	2.10	2.10
NaCl	1.46	1.75	2.05	2.34	2.63	2.92	3.21	3.05	3.80	4.09	4.38	4.67
Water	988.16	987.87	987.57	987.28	986.99	986.7	986.41	986.57	985.82	985.53	985.24	984.95
Total	1,000.00	1,000.00	1,000.00	1,000.00	1,000.00	1,000.00	1,000.00	1,000.00	1,000.00	1,000.00	1,000.00	1,000.00