Table 38.
Country | Year of survey | Aubergine species | N | TGA average (mg/kg fw)c | Range (mg/kg fw) | Analytical technique | Reference |
---|---|---|---|---|---|---|---|
IN | 1979 | S. melongena a | 21 | 113 | 65–205 | Colourimetric | Bajaj et al. (1979) |
UK | 1981 | S. melongena b | 2 | 79 | 76–82 | Colourimetric | Jones and Fenwick (1981) |
TR | 2006 | S. melongena b | 1 | < LOQ (10) | – | HPLC‐UV | Eanes et al. (2006) |
ES | 2010 | S. melongena a | 3 | 14.3 | 11–20 | LC‐MS/MS | Sánchez‐Mata et al. (2010) |
S. macrocarpon a | 4 | 1639 | 1,402–2,210 | ||||
S. aethiopicum a | 3 | 19.5 | 10–54 | ||||
IT | 2012 | S. melongena, unripea | 10 | 10.2d | 0.6–19.6d | HPLC‐UV | Mennella et al. (2012) |
S. melongena, commercial statea | 10 | 20.6d | < 0.02–85d | ||||
S. melongena, physiologically ripea | 10 | 163d | 25.0–403d | ||||
S. aethiopicum, unripea | 1 | 527 | – | ||||
S. aethiopicum, commercial stagea | 1 | 193 | – | ||||
S. aethiopicum, physiologically ripea | 1 | 349 | – | ||||
IT | 2016 | S. melongena, commercial statea | 3 | 311d | 231–430d | HPLC‐UV | Lo Scalzo et al. (2016) |
IT | 2019 | S. melongena, commercial statea | 3 | 435d | – | LC‐HRMS | Lelario et al. (2019) |
TGA: total glycoalkaloids; LC: liquid chromatography; UV: ultraviolet; MS: mass spectrometry; MS/MS: tandem MS; HR: high resolution; HP: high performance.
Field trial.
Retail.
Average as reported by the authors or calculated based on the provided individual data.
Concentrations were presented as dry weight; fresh weight concentrations have been calculated based on the water content of the samples as provided in the publication.