Functional Quality and Colour Attributes of Two High-Lycopene Tomato Breeding Lines Grown under Greenhouse Conditions


  • Ilahy Riadh National Agricultural Research Institute of Tunisia
  • Siddiqui Mohammed Wasim Bihar Agricultural University
  • Tlili Imen National Agricultural Research Institute of Tunisia
  • Piro Gabriela Unvesity of Salento
  • Lenucci Marcello Salvatore University of Salento
  • Hdider Chafik National Agricultural Research Institute of Tunisia



(High-lycopene tomato, Carotenoids, Flavonoids, Greenhouse, Hydrophilic antioxidant, Lipophilic antioxidant)


This study investigates the antioxidant components (total carotenoids, lycopene, β-carotene, total phenols, flavonoids, ascorbic acid and total vitamin C) as well as the hydrophilic and lipophilic antioxidant activities (HAA and LAA) of tomato genotypes consisting of one ordinary cultivar Rio Grande and the two high-lycopene breeding lines HLT-F71 and HLT-F72. The correlation of nutritional value to L∗, a∗, b∗ colour indexes and a∗/b∗ ratio was also investigated in whole and fresh cut tomato fruits. Except for β-carotene content, significant differences were found among cultivars for antioxidants. The berries of both HLT-lines recorded higher antioxidant contents, HAA and LAA (TEAC and FRAP assays) than Rio Grande. Under controlled conditions, HLT-F72 reached the highest levels of total carotenoids (165.5 mg β-ca Eq per kg fw), lycopene (150.1 mg per kg fw) and total phenolics (549.7 mg GAE per kg fw). However, HLT-F72 exhibited the highest levels of ascorbic acid (193.3 mg per kg fw), total vitamin C (271.6 mg per kg fw) and flavonoids (450.5 mg RE per kg fw). Line HLT-F71 showed the highest HAA (148.0 µM Trolox per 100 g fw and 4.2 mM FRAP per g fw) and LAA values (258.5 µM Trolox per 100 g fw and 3.2 mM FRAP per g fw respectively). Colour readings in red ripe fresh cut tomato berries particularly a∗, b∗ and the ratio a∗/b∗ could represent an indicator not only for lycopene but also for other phytochemicals and resulting antioxidant activities. HLT-Lines may serve as a starting point for the development of semi-determinate growth habit tomato cultivars with higher functional quality.

Author Biographies

Ilahy Riadh, National Agricultural Research Institute of Tunisia


Siddiqui Mohammed Wasim, Bihar Agricultural University

Department of Food Science and Postharvest Technology, Bihar Agricultural University, Sabour, Bhagalpur, Bihar

Tlili Imen, National Agricultural Research Institute of Tunisia


Piro Gabriela, Unvesity of Salento

Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali, Università del Salento, Via Prov.le Lecce-Monteroni

Lenucci Marcello Salvatore, University of Salento

Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali, Università del Salento, Via Prov.le Lecce-Monteroni

Hdider Chafik, National Agricultural Research Institute of Tunisia



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How to Cite

Riadh, I., Mohammed Wasim, S., Imen, T., Gabriela, P., Marcello Salvatore, L., & Chafik, H. (2016). Functional Quality and Colour Attributes of Two High-Lycopene Tomato Breeding Lines Grown under Greenhouse Conditions. Turkish Journal of Agriculture - Food Science and Technology, 4(5), 365–373.



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