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Bioactive compounds, antioxidant activity and mineral composition of fruits of raspberry cultivars grown in subtropical areas in Brazil

Published online by Cambridge University Press:  05 June 2013

Luana Aparecida Castilho Maro
Affiliation:
UFLA, Dep. Agric., CP 3037, 37200-000 Lavras, MG, Brazil. rafaelpio@hotmail.com
Rafael Pio*
Affiliation:
UFLA, Dep. Agric., CP 3037, 37200-000 Lavras, MG, Brazil. rafaelpio@hotmail.com
Mayara Neves Santos Guedes
Affiliation:
UFLA, Dep. Quím., CP 3037, 37200-000 Lavras MG Brazil
Celeste Maria Patto de Abreu
Affiliation:
UFLA, Dep. Quím., CP 3037, 37200-000 Lavras MG Brazil
Paula Nogueira Curi
Affiliation:
UFLA, Dep. Agric., CP 3037, 37200-000 Lavras, MG, Brazil. rafaelpio@hotmail.com
*
* Correspondence and reprints
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Abstract

Introduction. Raspberry is an economically important berry crop; its fruit contains numerous phenolic compounds with potential health benefits. It is known that the chemical content of the fruit is affected by processing factors, but limited information is available on the influence of production factors or impact of genotypes. Materials and methods. The raspberry cultivars tested in our study were Autumn Bliss, Batum, Heritage, Polana (red fruits) and Golden Bliss (yellow fruits); a hybrid boysenberry and a black raspberry (black fruits). The plants were grown in two subtropical areas in Brazil. Harvested fruits were used to determine the contents of bioactive compounds (anthocyanins, ascorbic acid, β-carotene, lycopene and total phenols), antioxidant activity and mineral composition (nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, boron, copper, manganese, zinc and iron). Results. Our results revealed a strong influence of the site on the parameters evaluated and indicated the existence of variation among the cultivars. In general, colored raspberries are a rich source of nutrients, especially nitrogen, potassium, iron and manganese, and contain significant amounts of bioactive compounds.

Type
Original article
Copyright
© 2013 Cirad/EDP Sciences

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