Capsaicinoid Content in the Pericarp and Placenta of Bolilla Peppers (<i>Capsicum annuum</i> L.) throughout the Ripening of the Fruit at Two Different Stages of Plant Maturation
Mercedes Vázquez-Espinosa | María Álvarez-Romero | Ana V. González-de-Peredo | Ana Ruíz-Rodríguez | Marta Ferreiro-González | Gerardo F. Barbero | Miguel Palma
Peppers are a very popular ingredient in many dishes, either as the fruit itself or as derived products. They are not only consumed because of their organoleptic characteristics, but also because of their high content of bioactive compounds. The aim of this work was to determine the optimal time to harvest the Bolilla pepper, based on the capsaicinoid concentration in the pericarp and placenta at two different plant maturities (young and adult), in order to maximize their potential biological properties. In the case of the pericarp, the maximum capsaicinoid concentration was reached at 30 days post-anthesis (dpa) (with values of 1565.98 and 2158.82 µmol/kg, for the young and adult plant, respectively), while in the placenta it was registered at 41 dpa with greater values (5898.12 and 2349.67 µmol/kg). In either case, from that moment on, there was a drastic reduction in the capsaicinoid content. With regard to the capsaicinoid content levels in the pericarp, this was greater in older plants, while the placenta presented greater content in younger plants, which is of considerable importance from an economic point of view. This work allows a better selection of the final product, taking full advantage of its beneficial effects on health and taste, which would be very interesting for analytical laboratories or industries.
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