Showing retention factors for Quercetin in Apple [Dessert], pure juice with the process stored at room temperature Food Processing

Yield factor value: 1.0 (Any food, stored at room temperature, UNSPECIFIED)

Retention factor (RF) = (Content After Processing / Content Before Processing) * Yield factor

Calculated Mean Retention Factor Value

mean RF value Min Max SD n
1.07 0.65 1.49 0.27 7

Original Retention Factor Values used to Produce Mean

Gliszczynska-Swiglo A., Tyrakowska B. (2003) Quality of commercial apple juices evaluated on the basis of the polyphenol content and the TEAC antioxidant activity. Journal of Food Science 68:1844-1849
Retention Factor Food Before Processing Food After Processing Content Before Processing Content After Processing Units
0.90 Pure Apple Juice - Brand 1 - Fresh Pure Apple Juice - Brand 1 - Stored 0.57 0.52 mg/100 ml
0.65 Pure Apple Juice - Brand 7 - Fresh Pure Apple Juice - Brand 7 - Stored 0.07 0.04 mg/100 ml
1.15 Pure Apple Juice - Brand 6 - Fresh Pure Apple Juice - Brand 6 - Stored 0.1 0.12 mg/100 ml
1.49 Pure Apple Juice - Brand 5 - Fresh Pure Apple Juice - Brand 5 - Stored 0.02 0.04 mg/100 ml
1.37 Pure Apple Juice - Brand 4 - Fresh Pure Apple Juice - Brand 4 - Stored 0.06 0.09 mg/100 ml
0.94 Pure Apple Juice - Brand 3 - Fresh Pure Apple Juice - Brand 3 - Stored 0.05 0.05 mg/100 ml
1.00 Pure Apple Juice - Brand 2 - Fresh Pure Apple Juice - Brand 2 - Stored 0.2 0.2 mg/100 ml