Showing retention factors for Polyphenols, total in Rice with the process boiled Food Processing

Yield factor value: 3.19 (Rice, round corn, polished, boiled, TR m.S - table 29, BOGNAR 2002_EUROFIR)

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

Calculated Mean Retention Factor Value

mean RF value Min Max SD n
0.62 0.12 0.82 0.20 11

Original Retention Factor Values used to Produce Mean

Perez-Jimenez J., Saura-Calixto F. (2005) Literature data may underestimate the actual antioxidant capacity of cereals. Journal of Agricultural and Food Chemistry 53:5036-5040 PubMed (15941353)
Retention Factor Food Before Processing Food After Processing Content Before Processing Content After Processing Units
0.12 Raw rice Boiled rice (85 g of sample in 200 mL of water) 120.6 4.83 mg/100 g fresh weight
Massaretto I.L., Madureira Alves M.F., Mussi de Mira N.V., Carmona A.K., Lanfer Marquez U.M. (2011) Phenolic compounds in raw and cooked rice (Oryza sativa L.) and their inhibitory effect on the activity of angiotensin I-converting enzyme. Journal of Cereal Science 54:236-240
Retention Factor Food Before Processing Food After Processing Content Before Processing Content After Processing Units
0.73 Rice - Uncooked Rice - Cooked for 30 min in covered beaker containing 120 mL 34.29 7.95 mg/100 g fresh weight
0.52 Rice - Uncooked Rice - Cooked for 30 min in covered beaker containing 120 mL 78.92 12.88 mg/100 g fresh weight
0.78 Rice - Uncooked Rice - Cooked for 30 min in covered beaker containing 120 mL 44.63 11.05 mg/100 g fresh weight
0.76 Rice - Uncooked Rice - Cooked for 30 min in covered beaker containing 120 mL 46.31 11.05 mg/100 g fresh weight
0.57 Rice - Uncooked Rice - Cooked for 30 min in covered beaker containing 120 mL 54.88 9.82 mg/100 g fresh weight
0.82 Rice - Uncooked Rice - Cooked for 30 min in covered beaker containing 120 mL 40.39 10.45 mg/100 g fresh weight
0.66 Rice - Uncooked Rice - Cooked for 30 min in covered beaker containing 120 mL 49.76 10.41 mg/100 g fresh weight
0.46 Rice - Uncooked Rice - Cooked for 30 min in covered beaker containing 120 mL 58.33 8.58 mg/100 g fresh weight
0.62 Rice - Uncooked Rice - Cooked for 30 min in covered beaker containing 120 mL 53.2 10.41 mg/100 g fresh weight
0.82 Rice - Uncooked Rice - Cooked for 30 min in covered beaker containing 120 mL 42.95 11.05 mg/100 g fresh weight