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Production of benzyl cinnamate by a low-cost immobilized lipase and evaluation of its antioxidant activity and toxicity.
Piazza, Suelen Paloma; Puton, Bruna Maria; Dallago, Rogério Marcos; de Oliveira, Débora; Cansian, Rogério Luis; Mignoni, Marcelo; Paroul, Natalia.
Afiliação
  • Piazza SP; Food Engineering Department, Universidade Regional Integrada do Alto Uruguai e das Missões-URI Erechim, Av. sete de setembro, 1621, 99709-910, Erechim, RS, Brazil.
  • Puton BM; Food Engineering Department, Universidade Regional Integrada do Alto Uruguai e das Missões-URI Erechim, Av. sete de setembro, 1621, 99709-910, Erechim, RS, Brazil.
  • Dallago RM; Food Engineering Department, Universidade Regional Integrada do Alto Uruguai e das Missões-URI Erechim, Av. sete de setembro, 1621, 99709-910, Erechim, RS, Brazil.
  • de Oliveira D; Department of Chemical and Food Engineering, Universidade Federal de Santa Catarina-UFSC, Campus Universitário, Bairro Trindade, 88040-900, Florianópolis, SC, Brazil.
  • Cansian RL; Food Engineering Department, Universidade Regional Integrada do Alto Uruguai e das Missões-URI Erechim, Av. sete de setembro, 1621, 99709-910, Erechim, RS, Brazil.
  • Mignoni M; Food Engineering Department, Universidade Regional Integrada do Alto Uruguai e das Missões-URI Erechim, Av. sete de setembro, 1621, 99709-910, Erechim, RS, Brazil.
  • Paroul N; Food Engineering Department, Universidade Regional Integrada do Alto Uruguai e das Missões-URI Erechim, Av. sete de setembro, 1621, 99709-910, Erechim, RS, Brazil.
Biotechnol Rep (Amst) ; 29: e00586, 2021 Mar.
Article em En | MEDLINE | ID: mdl-33489787
In this work was optimized the production of benzyl cinnamate by enzymatic catalysis using the immobilized lipase NS88011 and to evaluate its biological properties. The optimized condition for this system was 1:3 (acid:alcohol) molar ratio, 59 °C, biocatalyst concentration 4.4 mg.mL-1 for 32 h, with a yield of 97.6 %. The enzyme stability study showed that the enzyme remains active and yields above 60 % until the 13th cycle (416 h), presenting a promising half-life. In the determination of the antioxidant activity of the ester, an inhibitory concentration necessary to inhibit 50 % of the free radical 2,2-diphenyl-1-picryl-hydrazyl DPPH (IC50) of 149.8 mg.mL-1 was observed. For acute toxicity against bioindicator Artemia salina, lethal doses (LD50) of 0.07 and 436.7 µg.mL-1 were obtained for the ester and cinnamic acid, showing that benzyl cinnamate had higher toxicity, indicating potential cytotoxic activity against human tumors.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Tipo de estudo: Health_economic_evaluation Idioma: En Revista: Biotechnol Rep (Amst) Ano de publicação: 2021 Tipo de documento: Article País de afiliação: Brasil País de publicação: Holanda

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Tipo de estudo: Health_economic_evaluation Idioma: En Revista: Biotechnol Rep (Amst) Ano de publicação: 2021 Tipo de documento: Article País de afiliação: Brasil País de publicação: Holanda