Sacha inchi (Plukenetia volubilis L.) oil composition varies with changes in temperature and pressure in subcritical extraction with n-propane

被引：38

作者：

Zanqui, Ana Beatriz ^{[1
]}

da Silva, Claudia Marques ^{[1
]}

de Morais, Damila Rodrigues ^{[3
]}

Santos, Jandyson Machado ^{[3
]}

Oenning Ribeiro, Suellen Andressa ^{[1
]}

Eberlin, Marcos Nogueira ^{[3
]}

Cardozo-Filho, Lucio ^{[2
]}

Visentainer, Jesui Vergilio ^{[1
]}

Marques Gomes, Sandra Terezinha ^{[1
]}

Matsushita, Makoto ^{[1
]}

机构：

[1] Univ Estadual Maringa, UEM, Dept Chem, BR-87020900 Maringa, Parana, Brazil

[2] Univ Estadual Maringa, UEM, Dept Chem Engn, BR-87020900 Maringa, Parana, Brazil

[3] Univ Estadual Campinas, UNICAMP, Inst Chem, ThoMSon Mass Spectrometry Lab, BR-13083970 Campinas, SP, Brazil

来源：

INDUSTRIAL CROPS AND PRODUCTS | 2016年 / 87卷

基金：

巴西圣保罗研究基金会;

关键词：

Plukenetia volubilis L; Subcritical fluid extraction; Alpha linoleic acid; Easy ambient sonic-spray ionization; Omega; 3; Phytosterols; POLYUNSATURATED FATTY-ACIDS; SONIC-SPRAY IONIZATION; PHYTOSTEROL CONTENT; OMEGA-3-FATTY-ACIDS; TOCOPHEROLS;

D O I：

10.1016/j.indcrop.2016.04.029

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Sacha inchi is an oilseed crop that shows high oil content and it is an excellent source of polyunsaturated fatty acids. Temperature and pressure can influence in lipid composition on the subcritical extraction with n-propane. The highest extraction yield obtained was 30% under the conditions of 60 degrees C and 12 MPa. The extracted oil presented 442 mg of fatty acid g(-1) in terms of alpha linolenic acid. Analysis by easy ambient sonic-spray ionization mass spectrometry showed a typical TAG (Triacylglycerols) profile for Sacha inchi oil with major ions of m/z (mass-to-charge ratio) 895 (ALA-ALA-ALA), 897 (ALA-ALA-LA), 899 (ALA-LA-LA) and 901 (LA-LA-LA or OL-LA-ALA) in a form of adduct of [TAG + Na](+), in which ALA is alfa linoleic acid, LA is linoleic acid and OL is oleic acid. The phytosterols content (86.39-101.92 mg 100g(-1) of total lipids) varied according to the conditions applied for the n-propane extraction. In general, the subcritical fluid extraction with n-propane was found to preserve the important Sacha inchi oil bioactive constituents, that is, fatty acids, triacylglycerols and phytosterols. Regression analysis also showed that higher temperatures and pressures result in higher yields of phytosterols. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：64 / 70

页数：7

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