Step 2: Final Maturation

The apples were stored in cold storage until use. To ensure that the apple was matured they were taken out of cold storage some days before use. Apples are climateric fruits and are therefore able to ripe after harvest. A final maturation ensures a breakdown of unfermentable starch to fermentabale sugars. The main sugars in apples are glucose, fructose and sucrose.

Before start of cider making total sugar (as brix %), pH and titratable acid was measured.

	Brix, total sugar (%)	pH	Titratable acid (%)
Ingrid Marie	15,9 (SD 3,1)	3,36 (SD 0,02)	0,59
Ildrød Pigeon	12,2 (SD 0,3)	3,25 (SD 0,03)	0,68
Dronning Louise	13,7 (SD 0,1)	3,46 (SD 0,01)	0,59
Sukkeræble fra Vaalse	11,2 (SD 0,1)	3,28 (SD 0,03)	0,58 (SD 0,0058)
Søde æbler fra Aalsrode	11,5 (SD 0,1)	4,31 (SD 0,03)	0,14
Aston Brown Jersey	13,5 (SD 0,1)	4,47 (SD 0,02)	0,10