Influence of Harvest Stage and Rootstock Genotype on Compositional and Sensory Profile of the Elongated Tomato cv. “Sir Elyan”

Rosario Paolo Mauro, Valeria Rizzo, Cherubino Leonardi, Agata Mazzaglia, Giuseppe Muratore, Miriam Distefano, Leo Sabatino and Francesco Giuffrida
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Rosario Paolo Mauro: Dipartimento di Agricoltura, Alimentazione e Ambiente (Di3A), University of Catania, via Valdisavoia 5, 95123 Catania, Italy
Valeria Rizzo: Dipartimento di Agricoltura, Alimentazione e Ambiente (Di3A), University of Catania, via Valdisavoia 5, 95123 Catania, Italy
Cherubino Leonardi: Dipartimento di Agricoltura, Alimentazione e Ambiente (Di3A), University of Catania, via Valdisavoia 5, 95123 Catania, Italy
Agata Mazzaglia: Dipartimento di Agricoltura, Alimentazione e Ambiente (Di3A), University of Catania, via Valdisavoia 5, 95123 Catania, Italy
Giuseppe Muratore: Dipartimento di Agricoltura, Alimentazione e Ambiente (Di3A), University of Catania, via Valdisavoia 5, 95123 Catania, Italy
Miriam Distefano: Dipartimento di Agricoltura, Alimentazione e Ambiente (Di3A), University of Catania, via Valdisavoia 5, 95123 Catania, Italy
Leo Sabatino: Dipartimento di Scienze Agrarie, Alimentari e Forestali (SAAF), University of Palermo, viale delle Scienze Ed. 4, 90128 Palermo, Italy
Francesco Giuffrida: Dipartimento di Agricoltura, Alimentazione e Ambiente (Di3A), University of Catania, via Valdisavoia 5, 95123 Catania, Italy

Agriculture, 2020, vol. 10, issue 3, 1-17

Abstract: The present experiment addressed the effects of two harvest stages, namely breaker (S 1 ) and turning (S 2 ), on compositional and sensory profile of grafted, greenhouse elongated tomatoes cv. “Sir Elyan”. The rootstocks “He-Man”, “Interpro”, and “Armstrong” were used. The S 1 fruits showed a higher dry matter content, firmness and titratable acidity when compared to the S 2 ones (by 6%, 3%, and 15%, respectively). They showed, also, the highest L-ascorbic acid concentration and antioxidant activity. Differently, soluble solid content, lycopene and β-carotene increased in the S 2 fruits (by 4%, 92%, and 26%, respectively). Excepting methyl salicylate, all the volatiles detected peaked in the S 2 fruits, which were scored by panelists as sweeter and more flavorful than the S 1 ones. Among the rootstock genotypes, “He-Man” promoted fruits firmness, carotenoids concentration and antioxidant activity, irrespective of the harvest stage. “Interpro” enhanced the sensory attributes of the S 1 fruits in terms of bitterness, sourness, sweetness and flavor. Differently, sweetness, sourness, and tomato flavor of the S 2 fruits were promoted by “Armstrong”. The results highlight the influence of rootstock genotype on the nutraceutical and sensorial profile of “Sir Elyan” fruits harvested at early ripening stages.

Keywords: Solanum lycopersicum L.; fruit ripening; grafting; nutraceutical profile; volatile composition (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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