Biochemical Characterisation and Sensory Evaluation of Differently Coloured and Shaped Tomato Cultivars

  • Aylin Celile OLUK Eastern Mediterranean Agriculture Research Institute, 01321 Adana http://orcid.org/0000-0001-8939-3610
  • Atilla ATA Alata Horticultural Research Institute, 33740 Mersin
  • Mustafa ÜNLÜ Alata Horticultural Research Institute, 33740 Mersin
  • Ebru YAZICI Agricultural Economic and Policy Development Institute, Ankara
  • Zafer KARAŞAHİN Alata Horticultural Research Institute, 33740 Mersin
  • Evren Çağlar EROĞLU Alata Horticultural Research Institute, 33740 Mersin
  • İhsan CANAN Abant Izzet Baysal University, Agriculture and Nature Science Faculty, Horticulture Department, Bolu
Keywords: ascorbic acid; antioxidant activity; carotenoids; phenols; sensory panel; sugars; volatiles

Abstract

Antioxidant capacity, total phenolic content, colour, sugar, volatiles, ascorbic acid and carotenoid (β-carotene and lycopene) contents of differently coloured and shaped tomato cultivars (cvs) grown in the Eastern Mediterranean region, Turkey were determined, along with a sensory evaluation. Tomato cultivars of two different types (cherry and beefsteak) and four different colours (red, yellow, orange and brown) were analysed. All plants were simultaneously grown in the same field and subjected to identical horticultural practices to minimise the effects of environmental conditions and to maximise those related to genotype. The red cherry cultivar had the highest lycopene content, while the orange beefsteak cultivar had the highest β-carotene content. The highest antioxidant capacity, total phenolic content and hardness scores were found in cherry-type tomatoes, except the yellow one. The red cherry cultivar had the highest sugar content. Red and brown cherry cultivars were also significant in terms of their high carotenoid and sugar contents, along with a high antioxidant activity. The brown cherry cultivar had the highest total phenol content. The highest quantities of 2-hexenal, 3-hexen-1-ol, and 6-methyl-5-hepten-2-one were detected in red cultivars. The brown cherry cultivar had the highest sweetness, typical aroma and hardness scores, while the yellow beefsteak cultivars the lowest sweetness typical aroma scores. In terms of sensory parameters, red and brown cultivars scored higher than yellow and orange ones.

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References

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Published
2019-04-10
How to Cite
OLUK, A. C., ATA, A., ÜNLÜ, M., YAZICI, E., KARAŞAHİN, Z., EROĞLU, E. Çağlar, & CANAN, İhsan. (2019). Biochemical Characterisation and Sensory Evaluation of Differently Coloured and Shaped Tomato Cultivars. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 47(3), 599-607. https://doi.org/10.15835/nbha47311382
Section
Research Articles