Hagen S.F., Borge G.I.A., Solhaug K.A., Bengtsson G.B. (2009) Effect of cold storage and harvest date on bioactive compounds in curly kale (Brassica oleracea L. var. acephala). Postharvest Biology and Technology 51:36-42

Abbreviation: HAGEN 2009

Food Processing

This publication was used to obtain 9 retention factor values.

Retention Factor Food Before Processing Food After Processing Content Before Processing Content After Processing Units
0.96 Curly kale - B. oleracea L. var. acephala Curly kale - B. oleracea L. var. acephala - Stored in darkness at 1°C for 3 week (delayed harvest = 0 week) 49.57 47.86 mg/100 g fresh weight
1.13 Curly kale - B. oleracea L. var. acephala Curly kale - B. oleracea L. var. acephala - Stored in darkness at 1°C for 3 week (delayed harvest = 0 week) 53.3 60.3 mg/100 g fresh weight
1.04 Curly kale - B. oleracea L. var. acephala Curly kale - B. oleracea L. var. acephala - Stored in darkness at 1°C for 3 week (delayed harvest = 0 week) 259.05 271.33 mg/100 g fresh weight
0.96 Curly kale - B. oleracea L. var. acephala Curly kale - B. oleracea L. var. acephala - Stored in darkness at 1°C for 6 week (delayed harvest = 0 week) 49.57 48.02 mg/100 g fresh weight
1.06 Curly kale - B. oleracea L. var. acephala Curly kale - B. oleracea L. var. acephala - Stored in darkness at 1°C for 6 week (delayed harvest = 0 week) 53.3 57.03 mg/100 g fresh weight
1.04 Curly kale - B. oleracea L. var. acephala Curly kale - B. oleracea L. var. acephala - Stored in darkness at 1°C for 6 week (delayed harvest = 0 week) 259.05 271.95 mg/100 g fresh weight
1.04 Curly kale - B. oleracea L. var. acephala Curly kale - B. oleracea L. var. acephala - Stored in darkness at 1°C for 3 week (delayed harvest = 3 week) 49.73 51.9 mg/100 g fresh weight
1.00 Curly kale - B. oleracea L. var. acephala Curly kale - B. oleracea L. var. acephala - Stored in darkness at 1°C for 3 week (delayed harvest = 3 week) 56.41 56.72 mg/100 g fresh weight
1.03 Curly kale - B. oleracea L. var. acephala Curly kale - B. oleracea L. var. acephala - Stored in darkness at 1°C for 3 week (delayed harvest = 3 week) 264.49 273.19 mg/100 g fresh weight