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

mean RF value min max SD n # of references
 
Vegetables - Fruit vegetables - Tomato, ketchup / Tomato, ketchup, stored at room temperature
Flavonoids
Flavanones Naringenin 0.94 0.89 0.98 0.027 18 1
Naringenin 7-O-glucoside 0.95 0.9 0.99 0.025 18 1
Flavonols Kaempferol 3-O-rutinoside 0.94 0.9 0.98 0.028 18 1
Quercetin 0.85 0.76 0.95 0.063 18 1
Quercetin 3-O-rutinoside 0.94 0.89 0.99 0.03 18 1
Phenolic acids
Hydroxycinnamic acids Caffeic acid 0.91 0.86 0.97 0.037 18 1
Ferulic acid 0.93 0.88 0.99 0.034 18 1
5-Caffeoylquinic acid 0.94 0.9 0.97 0.025 18 1