Showing retention factors for Polyphenols, total in Blueberry [Unknown species], pure juice with the process stored refrigerated Food Processing

Piljac-Zegarac J., Valek L., Martinez S., Belscak A. (2009) Fluctuations in the phenolic content and antioxidant capacity of dark fruit juices in refreigerated storage. Food Chemistry 113:394-400

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Retention Factor	Food Before Processing	Food After Processing	Content Before Processing	Content After Processing	Units
1.11	Blueberry juice	Blueberry juice stored in the dark at 4°C 48h	179.55	200.27	mg/100 ml
1.19	Blueberry juice	Blueberry juice stored in the dark at 4°C 96h	179.55	214.58	mg/100 ml
1.05	Blueberry juice	Blueberry juice stored in the dark at 4°C 216h	179.55	189.72	mg/100 ml
0.92	Blueberry juice	Blueberry juice stored in the dark at 4°C 360h	179.55	166.37	mg/100 ml
1.14	Blueberry juice	Blueberry juice stored in the dark at 4°C 528h	179.55	205.16	mg/100 ml
1.18	Blueberry juice	Blueberry juice stored in the dark at 4°C 696h	179.55	212.69	mg/100 ml

Barba F.J., Jäger H., Meneses N., Esteve M.J., Frígola A., Knorr D. (2012) Evaluation of quality changes of blueberry juice during refrigerated storage after high-pressure and pulsed electric fields processing. Innovative Food Science and Emerging Technologies IN PRESS

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Retention Factor	Food Before Processing	Food After Processing	Content Before Processing	Content After Processing	Units
0.85	Blueberries juice	Blueberry juice, stored at 4°C, 7 days	330.0	283.0	mg/100 g fresh weight
0.91	Blueberries juice	Blueberry juice, stored at 4°C, 14 days	330.0	301.0	mg/100 g fresh weight
0.93	Blueberries juice	Blueberry juice, stored at 4°C, 21 days	330.0	307.0	mg/100 g fresh weight
0.91	Blueberries juice	Blueberry juice, stored at 4°C, 28 days	330.0	302.0	mg/100 g fresh weight
0.90	Blueberries juice	Blueberry juice, stored at 4°C, 56 days	330.0	298.0	mg/100 g fresh weight