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Assessment of capsaicinoid and capsinoid accumulation patterns during fruit development in three chili pepper genotypes (Capsicum spp.) carrying Pun1 and pAMT alleles related to pungency

AuthorsFayos, Oreto; Ochoa-Alejo, Neftalí; Martínez de la Vega, Octavio; Savirón, María; Orduna, Jesús ; Mallor, Cristina; Barbero, Gerardo F.; Garcés-Claver, Ana
KeywordsCapsicum spp
Fruit development
Pungency genes
Issue Date2019
PublisherAmerican Chemical Society
CitationJournal of Agricultural and Food Chemistry 67(44): 12219-12227 (2019)
AbstractQuantification, using an accurate analytical approach, of capsinoids and capsaicinoids was performed on three chili pepper (Capsicum spp.) genotypes: “Chiltepı́n”, “Tampiqueño 74”, and “Bhut Jolokia” at various stages of fruit development. The accumulation of capsinoids, in all these peppers started between 10 to 20 days post-anthesis (dpa), increased and reached the highest capsinoid amount at 40 dpa, and then decreased until 60 dpa. Conversely, capsaicinoids could already be determined at 10 dpa in “Bhut Jolokia” and their accumulation pattern was different from that of the capsinoids in this genotype. The capsiate/dihydrocapsiate ratio presented a higher variation between genotypes and developmental stages than the capsaicin/dihydrocapsaicin ratio. Capsinoid ratios (4–24%) and Pun1/pAMT genotyping were determined. These results provide information on the progress of the accumulation of capsinoids in the aforementioned pungent and superhot cultivars and could support future breeding studies toward the understanding of the factors affecting their accumulation.
Publisher version (URL)https://doi.org/10.1021/acs.jafc.9b05332
Appears in Collections:(ICMA) Artículos
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