Valorization of rambutan (Nephelium lappaceum L.) peel: Chemical composition, biological activity, and optimized recovery of anthocyanins

• Tipo: Artigo em Revista Científica Internacional
• Data: 2023

Autores

Albuquerque, BR (Autor) Outra; Pinela, J (Autor) Outra; Dias, MI (Autor) Outra; Pereira, C (Autor) Outra; Petrovic, J (Autor) Outra; Sokovic, M (Autor) Outra; Calhelha, RC (Autor) Outra; Beatriz B P P Oliveira (Autor) FFUP; Ferreira, ICFR (Autor) Outra; Barros, L (Autor) Outra

Revista

Título: Food Research International

Vol. 165

ISSN: 0963-9969

Editora: Elsevier

Indexação

ISI Web of Knowledge - 0 Citações

Scopus

Outras Informações

ID Authenticus: P-00X-YF9

DOI: 10.1016/j.foodres.2023.112574

Abstract (EN): Chemical constituents and bioactive properties of rambutan (Nephelium lappaceum L.) peel were characterized and heat-/ultrasound-assisted extractions (HAE/UAE) of anthocyanins were optimized by response surface methodology. Five organic acids, the alpha-, gamma-, and delta-tocopherol isoforms, and twenty-five fatty acids (36.8 % oleic acid) were identified, as well as a phenolic profile composed of ellagitannin derivatives, geraniin isomers, ellagic acid, and delphinidin-O derivatives. The extract showed antioxidant activity via lipid peroxidation (IC50 = 2.79 +/- 0.03 mu g/mL) and oxidative hemolysis (IC50 = 72 +/- 2 mu g/mL) inhibition, and displayed antibacterial and antifungal properties (MIC <= 1 mg/mL). On the other hand, no cytotoxicity was observed in tumor and non -tumor cell lines up to 400 mu g/mL. The recovery of anthocyanins was more effective using HAE than UAE, allowing greater yields (16.2 mg/g extract) in just 3 min and using lower ethanol proportions. Overall, rambutan peel could be upcycled into bioactive ingredients and natural colorants for industrial applications.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 10