Elvi Restiawaty, Faza Muhammad Rida, Aulia Maulana, Neng Tresna Umi Culsum, Wibawa Hendra Saputera, Pramujo Widiatmoko, Jenny Elisabeth, Yogi Wibisono Budhi
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引用次数: 0
摘要
棕榈油加工可产生不同的食品，如食用油和人造黄油。然而，这些食品可能含有有害污染物，即 3-氯丙二醇酯（3-MCPDE）和缩水甘油酯（GE），它们会对动物器官产生负面影响，并可能导致人类癌症。因此，本研究的目的是使用沸石作为吸附剂，降低精炼、漂白和脱臭棕榈油（RBDPO）中 3-MCPDE 和 GE 的浓度。吸附实验在间歇式反应器中进行，改变了吸附剂的百分比、温度、沸石类型以及沸石和活性炭（AC）混合物的使用。使用气相色谱-质谱法（GC-MS）对吸附前后的样品进行分析，以确认 3-MCPDE 和 GE 的浓度变化。研究表明，最有效的吸附温度为 35°C，使用的沸石比例为 2%。在所评估的沸石中，贝塔沸石对 3-MCPDE 的去除率最高（86%），这归功于其较高的孔隙率、硅/铝比率和整体酸度强度。通过贝塔沸石和 AC 的协同组合，3-MCPDE 的去除率提高到 94%，GE 相应减少 75%。这项研究为通过结合沸石和 AC 来解决 RBDPO 中的 3-MCPDE 和 GE 问题铺平了道路。
Adsorption of 3-monochloropropane-1,2-diol ester and glycidyl ester from refined bleached deodorized palm oil using zeolite-based adsorbents
Palm oil processing can result in different food products like cooking oil and margarine. Nevertheless, these food products might contain harmful contaminants, namely 3-monochloropropane-1,2-diol ester (3-MCPDE) and glycidyl ester (GE), which can negatively affect animal organs and potentially cause human cancer. Therefore, the objective of this study was to lower the concentration of 3-MCPDE and GE in refined, bleached, and deodorized palm oil (RBDPO) using zeolite as an adsorbent. Adsorption experiments were conducted in a batch reactor, varying the percentage of adsorbents, temperature, type of zeolite, and the use of a mixture of zeolite and activated carbon (AC). The sample was analyzed before and after adsorption using gas chromatography–mass spectroscopy (GC–MS) to confirm the concentration alteration of 3-MCPDE and GE. The study showed that the most effective temperature for adsorption was 35°C and used a zeolite percentage of 2%. Beta zeolites resulted in the highest removal of 3-MCPDE (86%) among the evaluated zeolites attributed to their elevated pore volume, Si/Al ratio, and overall acidity strength. Through a synergistic combination of beta zeolite and AC, the removal percentage of 3-MCPDE was enhanced to 94%, with a corresponding 75% reduction in GE. This study paves the way for addressing 3-MCPDE and GE concerns in RBDPO by combining zeolite and AC.
期刊介绍：
The Journal of the American Oil Chemists’ Society (JAOCS) is an international peer-reviewed journal that publishes significant original scientific research and technological advances on fats, oils, oilseed proteins, and related materials through original research articles, invited reviews, short communications, and letters to the editor. We seek to publish reports that will significantly advance scientific understanding through hypothesis driven research, innovations, and important new information pertaining to analysis, properties, processing, products, and applications of these food and industrial resources. Breakthroughs in food science and technology, biotechnology (including genomics, biomechanisms, biocatalysis and bioprocessing), and industrial products and applications are particularly appropriate.
JAOCS also considers reports on the lipid composition of new, unique, and traditional sources of lipids that definitively address a research hypothesis and advances scientific understanding. However, the genus and species of the source must be verified by appropriate means of classification. In addition, the GPS location of the harvested materials and seed or vegetative samples should be deposited in an accredited germplasm repository. Compositional data suitable for Original Research Articles must embody replicated estimate of tissue constituents, such as oil, protein, carbohydrate, fatty acid, phospholipid, tocopherol, sterol, and carotenoid compositions. Other components unique to the specific plant or animal source may be reported. Furthermore, lipid composition papers should incorporate elements of yeartoyear, environmental, and/ or cultivar variations through use of appropriate statistical analyses.
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