Fig 3 Browning values ((ΔL
∗
/L0
∗
)x100) of vegetable and fruit slices soaked for 5 min. with distilled
water (DW), pineapple shell extract (PSE) and citric acid solution (pH 3.8) (PH) and stored at
5°C for 24 hrs (A) banana, (B) potato, (C) mushroom and (D) apple slices