Chemical quality and bioactive compounds of sweet potatoes under phosphate fertilization

Chemical quality and bioactive compounds of sweet potatoes under phosphate fertilization

ABSTRACT Sweet potato is among the most important food crops in the world. Due to its high genetic diversity, this species has cultivars that can respond in different ways depending on mineral fertilization. Among the nutrients, phosphorus is related to physiological and biochemical processes that c...

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Main Authors: Pablo H. de A. Oliveira, Anna K. S. de Oliveira, Ester dos S. Coêlho, Valécia N. S. e Silva, Welder de A. R. Lopes, Gisele L. dos Santos, João E. da S. Ribeiro, Antonio G. C. da Silva, José T. dos Santos Júnior, Aurélio P. Barros Júnior, Lindomar M. da Silveira
Format: Article
Language:English
Published: Universidade Federal de Campina Grande 2023-12-01
Series:Revista Brasileira de Engenharia Agrícola e Ambiental
Subjects:
Ipomoea batatas (L.) Lam
post-harvest
antioxidants
cultivars
tuberous roots
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662024000100208&tlng=en
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Summary:ABSTRACT Sweet potato is among the most important food crops in the world. Due to its high genetic diversity, this species has cultivars that can respond in different ways depending on mineral fertilization. Among the nutrients, phosphorus is related to physiological and biochemical processes that can influence the final quality of the product. This study aimed to assess the influence of P doses on the quality and bioactive compounds of sweet potato cultivars - Paraná, BRS Amélia, and BRS Cuia. The pH, soluble solids (SS), titratable acidity (TA), SS/TA ratio, soluble sugars, and the bioactive compounds - flavonoids, anthocyanins, and carotenoids - were evaluated. The P doses influenced sweet potato cultivars. The dose of 120 kg ha-1 promoted increments in the parameters pH, SS, TA, and SS/TA ratio for the cultivar BRS Cuia. The same dose promoted an increase in total soluble sugars for the cultivar BRS Amélia. P dose of 240 kg ha-1 promoted higher levels of flavonoids and anthocyanins in the cultivar Paraná, and there was an increase in carotenoid content at the dose of 60 kg ha-1.
ISSN:1807-1929

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