- A) Overview of the date cohorts from the first and second sample collection. Countries are denoted by their international ISO Alpha-2 code as follows: MA (Morocco), DZ (Algeria), TN (Tunisia), LY (Libya), EG (Egypt), SD (Sudan), JO (Jordan), SA (Saudi Arabia), IQ (Iraq), IR (Iran), AE (United Arab Emirates), QA (Qatar), PK (Pakistan), US (United States). Dates from the first sample collection contained largely mature dates. In contrast, 37 immature date fruits corresponding to 10 varieties were included in the second sample collection. B) Summary statistics of the metabolomics data measured from the first and second sample collection. To account for batch effect, 10 samples from the first sample collection were measured again along dates from the second sample collection. Dates from the second sample collection were only measured by Metabolon unlike dates from the first sample collection which were measured by MetaSysX and Metabolon. The median RSD (RSD = sdandard deviation/mean) from biological replicates is a combination of technical and biological variation whilst that from technical replicates only expresses technical variation
