Table 3
Changes in the water-soluble nitrogen (WSN) content of fruits liquor-supplemented Gouda cheese during ripening

Aging time (weeks)	Cheese supplemented with
	Nothing	PM fruit liquor	CO fruit liquor
0	11.91	7.30	5.78
3	12.69	23.67	24.84
6	23.10	30.32	32.92
9	40.58	43.61	41.70
12	42.27	51.38	48.45
15	45.19	47.78	49.13