Candelilla Wax Extracted by Traditional Method and an Ecofriendly Process: Assessment of Its Chemical, Structural and Thermal Properties

被引：8
|
作者：
Nunez-Garcia, Itzel C. [1 ]
Rodriguez-Flores, Linda G. [1 ]
Guadiana-De-Dios, Michelle H. [2 ]
Gonzalez-Hernandez, Maria D. [2 ]
Martinez-Avila, Guillermo C. G. [2 ]
Gallegos-Infante, Jose A. [1 ]
Gonzalez-Laredo, Ruben [1 ]
Rosas-Flores, Walfred [1 ]
Martinez-Gomez, Victor J. [1 ,3 ]
Rojas, Romeo [2 ]
Villanueva-Fierro, Ignacio [4 ]
Rutiaga-Quinones, Miriam [1 ]
机构：
[1] TecNM Inst Tecnol Durango, Dept Ings Quim Bioquim, Blvd Felipe Pescador 1830 Ote, Durango 34080, Mexico
[2] Univ Autonoma Nuevo Leon, Fac Agron, Lab Quim & Bioquim, Gen Francisco Villa S-N, Gen Escobedo 66050, Nuevo Leon, Mexico
[3] Catedras Conacyt TecNM Inst Tecnol Durango, Blvd Felipe Pescador 1830 Ote, Durango 34080, Mexico
[4] Inst Politecn Nacl, CIIDIR Unidad Durango, Calle Sigma 119,20 Noviembre 2, Durango 34220, Mexico
来源：
MOLECULES | 2022年 / 27卷 / 12期
关键词：
candelilla wax; eco-friendly process; traditional process; properties; SHELF-LIFE; PHYSICAL-PROPERTIES; OLEOGELS; QUALITY; CRYSTALLINITY; COATINGS; FILMS; RAMAN; SPECTROSCOPY; TARBUSH;
D O I：
10.3390/molecules27123735
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
A comparative study was carried out on the chemical, structural and thermal properties of candelilla wax from four wax-producing communities in Mexico, which was obtained by two extraction processes, the conventional one using sulfuric acid (SA) and an eco-friendly alternative process using citric acid (CA) as the extracting agent. The waxes were analyzed by basic chemistry (acidity, saponification, ester indexes, and others), color, Fourier transform infrared spectroscopy (FTIR), Raman micro-spectroscopy, X-ray diffraction (XRD), differential scanning calorimetry (DSC), and hardness and brittleness measurements. The waxes obtained by the environmentally friendly process showed differences in their physicochemical properties when compared to waxes from the conventional process. In addition, they showed some improvements, such as lighter shades and harder waxes, suggesting that the new environmentally friendly process is a viable option.
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页数：15
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