Biochemical quality profiling of subtropical fruit crops by capillary electrophoresis
https://doi.org/10.30901/2227-8834-2026-1-o8
Abstract
Background. Fruit quality assessment based on the analysis of biochemical markers using capillary electrophoresis is a promising field of analytical research. This method provides high resolution when analyzing multicomponent mixtures (organic acids, sugars, etc.) with minimal reagent consumption. Its application is essential for the development of competitive subtropical fruit crop cultivars adapted to Russian environments and capable of replacing imported produce.
Materials and methods. The study was conducted on 5 cultivars of peach, 3 of nectarine, 5 of feijoa, and 5 of Actinidia. Fruits were sampled in the commercial maturity stage. Quantification of organic acids and sugars was performed by capillary electrophoresis using a Kapel-105M system (75 µm quartz capillary) with flow-through detection and data processing using the Elforan software.
Results and conclusion. Significant intervarietal differences were revealed the content of the analyzed compounds. The peach cv. ‘Redhaven’ demonstrated a balanced acid profile (4.28 mg/g of malic acid, and 4.78 of citric acid), while cv. ‘Osenniy Rumyanets’ had the highest total sugar content (198.56 mg/g). The nectarine cv. ‘Obilny’ also showed the maximum total sugar content (195.61 mg/g). The feijoa cv. ‘Superba’ had the highest sucrose content (101.70 mg/g), and cv. ‘SHV-07’ the maximum of monosaccharides. Fructose and glucose predominated in cvs. ‘Apsny’ and ‘Pobeditel’ of Actinidia, while cv. ‘Otkhara’ contained the maximum of total sugars among Actinidia cultivars (217.41 mg/g). Capillary electrophoresis proved effective as a primary method for screening biochemical markers. The data obtained provided a scientific basis for breeding fruit cultivars with improved flavor and nutritional value in Russia’s subtropical climate.
About the Authors
N. B. PlatonovaRussian Federation
Natalia B. Platonova, Cand. Sci. (Agriculture), Senior Researcher
2/28 Yana Fabritsiusa St., Sochi 354002, Russia
V. A. Kunina
Russian Federation
Viktoria A. Kunina, Cand. Sci. (Biology), Senior Researcher
2/28 Yana Fabritsiusa St., Sochi 354002, Russia
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Review
For citations:
Platonova N.B., Kunina V.A. Biochemical quality profiling of subtropical fruit crops by capillary electrophoresis. Proceedings on applied botany, genetics and breeding. 2026;187(1):21-29. (In Russ.) https://doi.org/10.30901/2227-8834-2026-1-o8
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