Table 3.

The average content of main sugars and organic acids in different types of red fruits.

Red Fruits	Main Sugars	Main Organic Acids	References
Berries	Fructose (18.0–57.2 g/L) Glucose (22.2–50.0 g/L) Sucrose (0.2–5.1 g/L)	Citric acid (2.9–16.2 g/L) Malic acid (3.3–24.7 g/L)	[33]
Raspberry (Rubus idaeus)	Fructose 35–45% of total sugars Glucose 30–35% of total sugars Sucrose 30–35% of total sugars		[42]
Strawberry (Fragaria × ananassa)	Frutose (1.07–3.079 g/100 g) Glucose (2.236–4.802 g/100 g) Sucrose (0.352–7.571 g/100 g)	Citric acid (643.32 mg/100 mL) Malic acid (203.98  mg/100 mL)	[43,44]
Blueberry (Vaccinium corymbosum)	Fructose (70.40–304.52 mg/g DW) Glucose (13.86–57.36 mg/g DW) Sucrose (0.56–7.90 mg/g DW)	Citric acid (13.34–75.11 mg/g DW) Quinic acid (2.86–11.56 mg/g DW) Malic acid (1.02–7.21 mg/g DW)	[45]
Sweet cherry (Prunus avium)		Malic acid Oxalic acid Shikimic acid	[37]