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. 2023 May 23;8(22):19862-19873.
doi: 10.1021/acsomega.3c01788. eCollection 2023 Jun 6.

Fruit Quality Characteristics of Service Tree (Sorbus domestica L.) Genotypes

Akgul Tas  1 , Muttalip Gundogdu  2 , Sezai Ercisli  3   4 , Erdal Orman  5 , Kenan Celik  6 , Romina Alina Marc  7   8 , Martina Buckova  9 , Anna Adamkova  9 , Jiri Mlcek  9
Affiliations

Fruit Quality Characteristics of Service Tree (Sorbus domestica L.) Genotypes

Akgul Tas et al. ACS Omega. .

Abstract

In this study, agro-morphological properties, phenolic compounds, and organic acid contents in the fruits of service tree (Sorbus domestica L.) genotypes naturally grown in Türkiye (Bolu) were determined. The fruit weights of genotypes were found to be quite variable, ranging from 5.42 g (14MR05) to 12.54 g (14MR07). The highest L*, a*, and b* fruit external color values were found to be 34.65 (14MR04), 10.48 (14MR09), and 9.10 (14MR08), respectively. The highest chroma and hue values were recorded as 12.87 (14MR09) and 49.07 (14MR04), respectively. 14MR03 and 14MR08 genotypes exhibited the highest amount of soluble solid content and titratable acidity (TA) as 20.58 and 1.55%, respectively. The pH value was found to be in the range of 3.98 (14MR010)-4.32 (14MR04). Chlorogenic acid (14MR10, 48.49 mg/100 g), ferulic acid (14MR10, 36.93 mg/100 g), and rutin (14MR05, 36.95 mg/100 g) were predominant phenolic acids observed in the fruits of service tree genotypes. The predominant organic acid in all fruit samples was malic acid (14MR07, 34.14 g/kg fresh weight basis), and the highest quantity of vitamin C was detected at 95.83 mg/100 g in genotype 14MR02. Principal component analyses (%) were performed to determine the correlation between the morphological-physicochemical (60.6%) and biochemical characteristics of genotypes (phenolic compounds: 54.3%; organic acids and vitamin C: 79.9%). It was determined that measured genotypes were important genetic resources in terms of nutritional value.

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Conflict of interest statement

The authors declare no competing financial interest.

Figures

Figure 1
Figure 1
Correlation between agro-morphological and some biochemical properties of fruits belonging to genotypes. FSL: fruit stalk length, FST: fruit stalk thickness, FW: fruit weight, FWD: fruit width, FL: fruit length, SW: seed weight, SWD: seed width, SL: seed length, L: L* value, a: a* value, b: b* value, Chroma: chroma value, Hue: hue value, pH: juice pH, TSS: total soluble solids, and TA: titratable acidity.
Figure 2
Figure 2
Correlation between phenolic compounds of fruits belonging to genotypes. Gallic: gallic acid, Catechin: catechin, Caffeic: caffeic acid, Vanillic: vanillic acid, p-Coumaric: p-coumaric acid, Chlorogenic: chlorogenic acid, o-Coumaric: o-coumaric acid, Ferulic: ferulic acid, Rutin: rutin, and Quercetin: quercetin.
Figure 3
Figure 3
Correlation between organic acid and vitamin C contents of fruits belonging to genotypes. Citric: citric acid, Tartaric: tartaric acid, Malic: malic acid, Succinic: succinic acid, Fumaric: fumaric acid, and Vit.C: vitamin C.
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