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Abstract Title:

Lycopene rich extract from red guava (Psidium guajava L.) displays anti-inflammatory and antioxidant profile by reducing suggestive hallmarks of acute inflammatory response in mice.

Abstract Source:

Food Res Int. 2017 Sep ;99(Pt 2):959-968. Epub 2017 Jan 21. PMID: 28847433

Abstract Author(s):

Andreanne G Vasconcelos, Adriany das G N Amorim, Raimunda C Dos Santos, Jessica Maria T Souza, Luan Kelves M de Souza, Thiago de S L Araújo, Lucas Antonio D Nicolau, Lucas de Lima Carvalho, Pedro Everson A de Aquino, Conceição da Silva Martins, Cristina D Ropke, Pedro Marcos G Soares, Selma Aparecida S Kuckelhaus, Jand-Venes R Medeiros, José Roberto de S A Leite

Article Affiliation:

Andreanne G Vasconcelos

Abstract:

This study investigated the anti-inflammatory activity of the extract (LEG) and purified (LPG) lycopene from guava (Psidium guajava L.), as well as some mechanisms possibly involved in this effect. The anti-inflammatory activity was initially assessed using paw edema induced by Carrageenan, Dextran, Compound 48/80, Histamine and Prostaglandin E2 in Swiss mice. A peritonitis model was used to evaluate neutrophil migration, the activity of myeloperoxidase (MPO) and reduced glutathione (GSH) concentration; while the effect on the expression of iNOS, COX-2 and NF-κB, was assessed by immunohistochemistry analysis. Results showed that oral and intraperitoneal administration of LEG and LPG inhibited inflammation caused by carrageenan. LPG (12.5mg/kg p.o.) significantly inhibited the edema formation induced by different phlogistic agents and immunostaining foriNOS, COX-2 and NF-κB. Leukocytes migration in paw tissue and peritoneal cavity was reduced, as well as MPO concentration, whereas GSH levels increased. Thus, lycopene-rich extract from red guava has beneficial effect on acute inflammation, offering protection against the consequences of oxidativestress by downregulating inflammatory mediators and inhibiting gene expression involved in inflammation.

Study Type : Animal Study

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