Physicochemical characteristics, bioactive compounds and antioxidant activity in juice, pulp, peel and seeds of Cantaloupe melon

  • Joana F. Fundo
  • Fátima A. Miller
  • Ester Garcia
  • João Rodrigo Santos
  • Cristina L. M. Silva
  • Teresa R. S. Brandão
Original Paper


Although it is known that fruit products are rich sources of natural bioactive compounds, information on the nutritional value of their waste parts is scarce. The objective was to characterize the edible (juice and pulp) and waste (peel and seeds) parts of Cantaloupe melon (Cucumis melon L. var. reticulatus) in terms of some physicochemical characteristics, bioactive compounds and total antioxidant activity. Juice, pulp, peel and seeds represent 42, 23, 25 and 7% of total weight, respectively. Juice and pulp presented identical profiles in terms of physicochemical characteristics, bioactive compounds and antioxidant activity. They contributed to the majority of the overall content of carotenoids (80%) and vitamin C (84%) in Cantaloupe. Peel and seeds had the highest concentrations of potassium, being seeds the richest portion (7.08 ± 0.16 mg/g). Seeds had also the significantly highest total phenolics concentration (229.13 ± 20.92 µg/g), antioxidant activity (653.67 ± 169.20 µg/g), and soluble solids content (11.79 ± 0.90 °Brix). Peel stood out by the presence of chlorophylls. Since waste parts of Cantaloupe melon represent around 32% of total weight, their valorization is a challenge and strategies to improve ways of re-using them should be developed.


Melon Bioactive compounds Antioxidant activity Juice Pulp Wastes 



Joana F. Fundo, Fátima A. Miller and Teresa R.S. Brandão gratefully acknowledge, respectively, their Post-Doctoral Grants SFRH/BPD/109519/2015, SFRH/BPD/65041/2009 and SFRH/BPD/101179/2014 to Fundação para a Ciência e a Tecnologia (FCT). This work was supported by National Funds from FCT - Fundação para a Ciência e a Tecnologia through project UID/Multi/50016/2013.

Compliance with ethical standards

Conflict of interest

There are no conflicts of interest regarding this paper.


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Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  1. 1.Laboratório Associado, CBQF - Centro de Biotecnologia e Química Fina, Escola Superior de BiotecnologiaUniversidade Católica PortuguesaPortoPortugal
  2. 2.REQUIMTE - Departamento de Química e Bioquímica, Faculdade de CiênciasUniversidade do PortoPortoPortugal

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