Venturia inaequalis post-infection enhancement of secondary metabolites in the peels of delicious apple variety
Materials Today: Proceedings, ISSN: 2214-7853, Vol: 73, Page: 151-162
2023
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Article Description
When the pathogens or other abiotic stressors assault a plant, it is subjected to biological stresses, triggering internal biochemical changes that might lead to the overexpression or downregulation of certain compounds that could play a role in the plant’s aversion to these invaders. This was the kind of objective of the current study wherein the impact of Venturia inaequalis infection on the apple peel secondary metabolites was revealed. Following phytochemical and metabolomics analysis of infected vs non-infected peel extracts fractionalized via two solvent systems, our study indicated that these different extracts exhibited a clear variation in the quantities of certain secondary metabolites. Higher total phenolic and total flavonoid content were seen in infected peel extracts. FTIR and GC–MS analysis of these extracts revealed quantitative alteration in secondary metabolites. Compounds like Avicularin (16.31 %), Hyperoside (0.78 %), 3-phosphoglyceric acid (4.21 %), Ferulic acid (11.42 %), Aucuparin (1.27 %), Cyanidin 3-o-galactoside (1.44 %), Eriobofuran (0.96 %), Cyanidin (6.30 %), and Reynoutrin (10.03 %) were only found in infected peel extracts and compounds like (+)-Catechin (9.95 % in the infected peel as compared to 8.98 % in non-infected), Chlorogenic acid (10.83 % in infected peel extract as compared to 5.72 % in non-infected), and Rutin (8.09 % in infected peel extract as compared to 7.92 % in non-infected), Stearic acid (2.87 % in infected peel extract as compared to 2.08 % in non-infected), Malic acid (15.03 % in infected peel extract as compared to 13.78 % in non-infected), Hydrocinnamic acid (7.53 % in infected peel extract as compared to 5.41 % in non-infected), Palmitic acid (4.68 % in infected peel extract as compared to 2.64 % in non-infected) showed a quantitative elevation in the infected peel extracts. Based on these results it can be put forth that there are secondary metabolite grounds of scab aversion in apples.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S2214785322063441; http://dx.doi.org/10.1016/j.matpr.2022.09.508; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85139728178&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S2214785322063441; https://dx.doi.org/10.1016/j.matpr.2022.09.508
Elsevier BV
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