Table 1 General physicochemical composition of the whole apple (Malus domestica cv. Anna) extract (AE)

Humidity (%)*

76 ± 2

Fats and oils (mg kg⁻¹)*

868 ± 45

Protein (%)*

0.06 ± 0.01

Ashes (%)*

0.47 ± 0.08

Sodium (mg kg⁻¹)*

23.8 ± 0.5

Soluble solids (° Brix)*

16.1

Total polyphenols (µg GAE g⁻¹)

767.40 ± 65.83

Flavonoids (Shinoda test)

Positive (red coloration)

Saponins (foam test)

Negative (no foam)

Steroids and terpenoids (Liebermann-Buchard test)

Negative (no color)

Alkaloids (Dragendorff test)

Negative (no precipitate)