Table 4.
Pooled analyses of POP contents and ORP in subgroups of foods with added phytosterols before food storage and heat treatment, and end of storage, pan‐frying or oven heating
POP contents (mg/100 g) | ORP (%) | |||||||
---|---|---|---|---|---|---|---|---|
Form of phytosterols added | Food formats/storage or heating conditions | Data points (n) | Mean | Median | 90% quantilea | Mean | Median | 90% quantilea |
Non‐treated and baseline data (before food storage or heat treatment) | ||||||||
FPS | Milk powder, milk, beverage, chocolate, rapeseed oil, liquid margarine, and butter | 11 | 1.0 | 0.7 | — | 0.04 | 0.03 | — |
PSE | Milk, beverage, milk powder, chocolate, rapeseed oil, liquid margarine, and butter | 17 | 5.3 | 3.4 | 13.8 | 0.10 | 0.06 | 0.38 |
PAE | Milk powder, chocolate, rapeseed oil, liquid margarine, and butter | 7 | 6.1 | 3.6 | 0.08 | 0.05 | — | |
End of storage | ||||||||
FPS | Milk, beverage, milk powder stored at 4–38°C for 6–24wk | 7 | 0.9 | 0.4 | — | 0.05 | 0.04 | — |
PSE | Milk powder, margarine and chocolate stored at 4–30°C for 5–24 wk | 6 | 2.9 | 0.9 | — | 0.05 | 0.04 | — |
PAE | Milk powder stored at 4°C‐RTb for 6–24 wk | 2 | 0.03 | 0.03 | — | 0.06 | 0.06 | — |
Pan‐frying | ||||||||
FPS | Rapeseed oil, liquid margarine and butter pan‐fried at 160–200°C for 5–10 min | 17 | 82.8 | 72.0 | 209.1 | 1.04 | 0.90 | 2.61 |
PSE | Rapeseed oil, liquid margarine and butter pan‐fried at 160–200°C for 5–10 min | 17 | 46.5 | 38.1 | 127.3 | 0.58 | 0.48 | 1.59 |
PAE | Rapeseed oil, liquid margarine and butter pan‐fried at 160–200°C for 5–10 min | 17 | 5.2 | 4.9 | 8.0 | 0.07 | 0.06 | 0.10 |
Oven‐heating | ||||||||
PSE | Margarine heated at 140–200°C for 5–30 min | 13 | 27.6 | 0.3 | — | 0.27 | <0.01 | — |
PSE | Margarine heated at 140–200°C for 60–120 min | 9 | 367.4 | 384.3 | — | 4.12 | 3.66 | — |
FPS, free plant sterols; PSE, plant sterol esters; PAE, plant stanol esters.
90% quantile values were only calculated with data points >15.
RT, room temperature.