Flavanone and nootkatone levels in different varieties of grapefruit and pummelo
1995
Ortuno, A. | Garcia-Puig, D. | Fuster, M.D. | Perez, M.L. | Sabater, F. | Porras, I. | Garcia-Lidon, A. | Rio, J.A. del
The effects of variety, rootstock, and geographical location were studied as to their effects on secondary metabolite production in grapefruit and pummelo. The concentration of the flavanones narirutin, naringin, and neohesperidin and of the sesquiterpene nootkatone, which is principally responsible for the grapefruit's aroma, varies during fruit development. The highest flavanone levels are detected during the juvenile stages of fruit development, while nootkatone expression is associated with the processes of maturation and senescence. The possibility of increasing the levels of these metabolites by regulating the associated processes of growth and cell differentiation is discussed.
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