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. 2023 May 14;12(10):1990. doi: 10.3390/foods12101990

Table 1.

Methods used to determine tomatoes’ quality parameters.

Parameters Methods of Analyses Reference
Lycopene Solvent—tetrahydrofuran, spectrophotometry [28]
β-carotene Solvent—tetrahydrofuran, spectrophotometry [28]
Total phenols Solvent—methanol, spectrophotometry [30]
Total flavonoids Solvent—ethanol, spectrophotometry [31]
Dry matter Gravimetry [28]
Soluble solids Refractometry [28]
Titratable acidity Alkaline titration [28]
Taste index Calculations using soluble solids and titratable acidity [29]