Application of integrated molecular distillation-adsorption process for deacidification and recovery of vitamin E and carotenoids from palm oil

IF 1.9 4区 工程技术 Q3 ENGINEERING, CHEMICAL Chemical Engineering Communications Pub Date : 2023-10-16 DOI:10.1080/00986445.2023.2269527
Eluize Vayne Maziero, Maurício Dalla Costa Rodrigues da Silva, Cristiano Augusto Ballus, Eduardo Hiromitsu Tanabe, Daniel Assumpção Bertuol
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Abstract

AbstractPalm oil is a natural source of phytonutrients such as vitamin E and carotenoids. However, these high-value compounds are lost during conventional refining. These phytonutrients can be separated and recovered from crude palm oil (CPO) through methods which prevents the degradation of these compounds. This study evaluated the integrated approach of molecular distillation and adsorption, with the aim of deacidifying and separating vitamin E and carotenoids from CPO, allowing their recovery. Wiped-film molecular distillation (WFMD) was used for deacidification and vitamin E enrichment, the best results were obtained at 200 °C and 21 mL/min. The distillate stream was enriched 937.8% in vitamin E, and the residue stream (named deacidified palm oil - DAPO), enriched in carotenoids, reached 0.1% free fatty acids (FFA). Integration with the adsorption process achieved a carotenoids removal of 79.4% from the DAPO stream. Moreover, the kinetic constant (k2) of adsorption increased by around 87% for DAPO, a result attributed to the absence of fat crystals on the adsorbent surface verified by scanning electron microscopy. Notably, the integrated process approach used is an innovative methodology for the vegetable oil industry presenting an alternative route that allows the preservation and recovery of phytonutrients, and the oil deacidification.Keywords: Bioactive compoundsenrichmentfood ingredientsintegrated processpalm oilphytonutrients AcknowledgmentsThe authors thank Bioesans Biotechnological Products S.A. for financial support and Itochu Chemicals America Inc. for adsorbent donation. The following Brazilian agencies supported this study: Foundation for the Support of Research in the State of Rio Grande do Sul (FAPERGS); National Council for Scientific and Technological Development (CNPq); Coordination for the Improvement of Higher Education Personnel (CAPES); and Secretariat of Economic Development, Science and Technology of the State of Rio Grande do Sul (SDECT).Disclosure statementThe authors declare no competing interests.
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分子蒸馏-吸附一体化工艺在棕榈油中维生素E和类胡萝卜素脱酸回收中的应用
棕榈油是维生素E和类胡萝卜素等植物营养素的天然来源。然而,这些高价值的化合物在常规精炼过程中会丢失。这些植物营养素可以通过防止这些化合物降解的方法从粗棕榈油(CPO)中分离和回收。本研究评估了分子蒸馏和吸附相结合的方法,目的是脱酸和分离CPO中的维生素E和类胡萝卜素,使其回收。采用擦膜分子蒸馏(WFMD)进行脱酸和维生素E富集,在200℃、21 mL/min的条件下效果最佳。馏出液中维生素E的含量为937.8%,残留液(命名为脱酸棕榈油- DAPO)中类胡萝卜素含量为0.1%,游离脂肪酸(FFA)含量较高。结合吸附过程,类胡萝卜素的去除率为79.4%。此外,DAPO的吸附动力学常数(k2)增加了约87%,这是由于扫描电镜证实了吸附剂表面没有脂肪晶体。值得注意的是,所使用的综合工艺方法是植物油行业的一种创新方法,提供了一种可选择的途径,允许植物营养素的保存和恢复,以及油的脱酸。关键词:生物活性化合物;食品成分;综合工艺;棕榈油;植物营养素;下列巴西机构支持这项研究:支持南里奥格兰德州研究基金会(FAPERGS);国家科学技术发展委员会;高等教育人才培养协调机制(CAPES)南里奥格兰德州经济发展和科学技术秘书处(SDECT)。披露声明作者声明无利益竞争。
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来源期刊
Chemical Engineering Communications
Chemical Engineering Communications 工程技术-工程:化工
CiteScore
5.50
自引率
4.00%
发文量
80
审稿时长
6 months
期刊介绍: Chemical Engineering Communications provides a forum for the publication of manuscripts reporting on results of both basic and applied research in all areas of chemical engineering. The journal''s audience includes researchers and practitioners in academia, industry, and government. Chemical Engineering Communications publishes full-length research articles dealing with completed research projects on subjects such as experimentation (both techniques and data) and new theoretical models. Critical review papers reporting on the current state of the art in topical areas of chemical engineering are also welcome; submission of these is strongly encouraged.
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