Development and physicochemical properties of extract of Morinda citrifolia Linn/pectin-based membranes

被引：6

作者：

de Jesus, Josepha Yohanna ^{[1
]}

de Carvalho Dantas, Eliane Santos ^{[1
]}

Serafini, Mairim Russo ^{[1
]}

Menezes, Paula dos Passos ^{[1
]}

Cardoso, Juliana Cordeiro ^{[2
]}

Cavalcanti Albuquerque-, Ricardo Luiz, Jr. ^{[2
]}

Matos, Jivaldo do Rosario ^{[3
]}

de Oliveira, Juliana Ferreira ^{[3
]}

Alencar de Menezes, Irwin Rose ^{[4
]}

da Silva, Francilene Amaral ^{[1
]}

de Souza Araujo, Adriano Antunes ^{[1
]}

机构：

[1] Univ Fed Sergipe, Dept Farm, Av Marechal Rondon S-N,Cidade Univ, BR-49100000 Sao Cristovao, Sergipe, Brazil

[2] Univ Tiradentes, Inst Tecnol & Pesquisa, Av Murilo Dantas 300, BR-49032490 Aracaju, Sergipe, Brazil

[3] Univ Sao Paulo, Dept Quim Fundamental, Av Prof Lineu Prestes 748,Sala 0801,Cidade Univ, Sao Paulo, Brazil

[4] Univ Reg Cariri, Dept Quim Biol, Rua Cel Antonio Luis 1161, BR-63100000 Crato, Ceara, Brazil

来源：

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2016年 / 123卷 / 03期

关键词：

Membranes; Pectin; Physicochemical properties; Morinda citrifolia; THERMAL-DECOMPOSITION; MECHANICAL-PROPERTIES; KINETIC-ANALYSIS; FILMS; DENATURATION; PERMEABILITY; COLLAGEN; NONI;

D O I：

10.1007/s10973-015-4936-y

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The purpose of this study was to evaluate the physicochemical properties and kinetic analyses of membranes obtained through the dispersion of pectin PEC (2 %), with or without the extract of Morinda citrifolia Linn EMC2.5 and 5.0 % in distilled water, and adding plasticizer propylene glycol (20 %). The thickness of the membranes was significantly different, and at SEM images of PEC2.5 %, they showed a more compact structure compared with other membranes. PEC5.0 % membrane showed the best values of mechanical properties. The DSC curve of EMC showed two endothermic events, and the DSC curves of the membranes presented two endothermic events and two exothermic events with profiles similar to PEC, PEC2.5 and PEC5.0 % membranes. A kinetic study was performed with thermogravimetry using the Ozawa method and non-Arrhenius methods. The kinetic parameters showed that the PEC and PEC5.0 % present a similar thermal stability. Thus, the Morinda citrifolia extract influences a more organized membrane structure, and the PEC-EMC2.5 % has the best characteristics for the development of a membrane with healing effect.

引用

页码：2003 / 2012

页数：10

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