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Antioxidant stability enhancement of carotenoid rich-extract from Cantaloupe melon (Cucumis melo L.) nanoencapsulated in gelatin under different storage conditions

2021; Elsevier BV; Volume: 348; Linguagem: Inglês

10.1016/j.foodchem.2021.129055

1873-7072

Grazielle Louise Ribeiro De Oliveira, Isaiane Medeiros, Sara Sayonara da Cruz Nascimento, Rony Lucas Silva Viana, Dayanne Lopes Porto, Hugo Alexandre Oliveira Rocha, Cícero Flávio Soares Aragão, Bruna Leal Lima Maciel, Cristiane Fernandes de Assis, Ana Heloneida de Araújo Morais, Thaís Souza Passos,

Microencapsulation and Drying Processes

The study evaluated the potential and antioxidant stability of nanoencapsulated carotenoid-rich extract (CE) from Cantaloupe melon (EPG). DPPH and ABTS radical scavenging assays were used to investigate the nanoencapsulation effect on antioxidant potential. CE and EPG stability were evaluated at 25 °C and 5 °C, with and without light (1600 lx) for 60 days, determining the β-carotene concentration by UHPLC and antioxidant potential by ABTS. The antioxidant potential of carotenoids increased after nanoencapsulation (57–59%). After 60 days, there was low retention of β-carotene (0–43.6%) in the CE, mainly at 25 °C light (0.00%) and dark (10.0%), and total loss of activity in the four conditions. EPG preserved the β-carotene concentration in the dark at 25 °C (99.0%) and in the light (83.1%) and dark (99.0%) at 5 °C, maintaining the antioxidant potential (68.7–48.3%). Therefore, EPG enhanced and stabilized the antioxidant potential of carotenoids, beneficial to human health.