Citrus species and hybrids depicted by near- and mid-infrared spectroscopy

Ricardo N.M.J. Páscoa, Silvana Moreira, João A. Lopes, Clara Sousa*

*Autor correspondente para este trabalho

Resultado de pesquisarevisão de pares

10 Citações (Scopus)

Resumo

BACKGROUND: Citrus trees are among the most cultivated plants in the world, with a high economic impact. The wide sexual compatibility among relatives gave rise to a large number of hybrids that are difficult to discriminate. This work sought to explore the ability of infrared spectroscopy to discriminate among Citrus species and/or hybrids and to contribute to the elucidation of its relatedness. RESULTS: Adult leaves of 18 distinct Citrus plants were included in this work. Near- and mid-infrared (NIR and FTIR) spectra were acquired from leaves after harvesting and a drying period of 1 month. Spectra were modelled by principal component analysis and partial least squares discriminant analysis. Both techniques revealed a high discrimination potential (78.5–95.9%), being the best results achieved with NIR spectroscopy and air-dried leaves (95.9%). CONCLUSION: Infrared spectroscopy was able to successfully discriminate several Citrus species and/or hybrids. Our results contributed also to enhance insights regarding the studied Citrus species and/or hybrids. Despite the benefit of including additional samples, the results herein obtained clearly pointed infrared spectroscopy as a reliable technique for Citrus species and/or hybrid discrimination.
Idioma originalEnglish
Páginas (de-até)3953-3961
Número de páginas9
RevistaJournal of the Science of Food and Agriculture
Volume98
Número de emissão10
DOIs
Estado da publicaçãoPublicado - 15 ago. 2018
Publicado externamenteSim

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