Extraction and thermal characterization of epicuticular wax from Opuntia streptacantha at different stages of maturation

IF 0.4 4区农林科学 Q4 HORTICULTURE

Journal of the Professional Association for Cactus Development Pub Date : 2020-10-14 DOI:10.56890/jpacd.v22i.326

Karina Moreno de Santiago, E. Dibildox‐Alvarado, J. A. Rendón-Huerta, Karl Patricia López Ávila, Edgar Alejandro Berrospe-Ochoa, J. Morales-Rueda

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引用次数: 1

Abstract

The content of epicuticular waxes on the surface of the cladodes of Opuntia streptacantha and their thermal characteristics based on the stage of maturation of the plant were determined. The moisture content of samples of cladodes from O. streptacantha at different stages of maturation was determined. The ultrastructure of the surface of the cladodes was determined in dehydrated samples employing scanning electron microscopy. The surface of the cladodes contains amorphus particles related to epicuticular waxes in all stages of maturation. The extraction of hydrophobic compounds was carried out through soxhlet. The extracts obtained were thermally characterized utilizing DSC. Results showed no significant differences for the moisture content or hydrophobic compounds, regardless the stage of maturation. The melting temperature was different in young cladodes (1 and 2 years old) than old cladodes (3 and 4 years old); however, these temperatures are similar to thoses waxes with high commercial value, hereby we propose as a new alternative to commercial waxes for different technological applications.

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仙人掌不同成熟阶段表皮蜡的提取及热特性研究

测定了红麻枝表面表皮蜡质的含量及其在不同成熟阶段的热特性。测定了不同成熟阶段链花枝枝样品的水分含量。用扫描电子显微镜对脱水样品枝状体表面的超微结构进行了测定。枝状体的表面在成熟的各个阶段都含有与表皮蜡有关的非晶颗粒。疏水化合物的提取采用索氏法进行。所得提取物利用DSC进行了热表征。结果表明，无论成熟度如何，水分含量和疏水性化合物都没有显著差异。幼枝(1、2龄)与老枝(3、4龄)的熔融温度不同;然而，这些温度与那些具有高商业价值的蜡相似，因此我们提出作为不同技术应用的商业蜡的新替代品。

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来源期刊

Journal of the Professional Association for Cactus Development Agricultural and Biological Sciences-Plant Science

CiteScore

1.10

自引率

33.30%

发文量

期刊介绍： The editors of the Journal of the Professional Association for Cactus Development, are very excited to be a part of the excellent editorial committee and to work together to create the synergism between scientists, growers, legislators, and business people so vital to the development of this industry to serve the people of arid lands.