Glycerolysis-Interesterification of Palm Olein and Coconut Oil Blend using Two High-Shear Continuous Stirred Tank Reactors

IF 0.7 4区工程技术 Q4 CHEMISTRY, APPLIED

Polish Journal of Chemical Technology Pub Date : 2024-01-11 DOI:10.2478/pjct-2023-0032

Aulia Safrina Ardani, Ria Millati, Rini Yanti, Nanda Legiasa Rabiul Tsani Rohana, Chusnul Hidayat

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Abstract

This study aimed to synthesize structured lipids containing high mono- and diacylglycerol by glycerolysisinteresterification of palm olein and coconut oil blend in two high-shear continuous stirred tank reactors in series. The result showed that various flow rates of 11 mL/min to 23 mL/min did not significantly increase mono- and diacylglycerol concentration, while at a flow rate of 26 mL/min only a low concentration of mono- and diacylglycerol was formed. However, a flow rate 20 mL/min and an agitating speed of 2000 rpm produced mono- and diacylglycerol concentration of 61.7% with the highest productivity of 2.1%/min and a triacylglycerol conversion of 64.6%. The slip melting point, melting point, hardness, emulsion capacity, and stability were 23.77 oC, 30 oC, 14.6 N, 65.15%, and 59.15%, respectively. The product’s solid fat content at 25 oC was lower than cocoa butter. The product contained β’ and β crystals, thus it can be applied as a cocoa butter substitute.

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利用两个高剪切连续搅拌罐反应器进行棕榈油和椰子油混合物的甘油分解-酯化反应

本研究旨在通过在两个串联的高剪切连续搅拌罐反应器中对棕榈油和椰子油混合物进行甘油分解酯化，合成含有高浓度单酰和双酰甘油的结构脂。结果表明，在 11 mL/min 至 23 mL/min 的不同流速下，单酰甘油和二酰甘油的浓度并没有显著增加，而在 26 mL/min 的流速下，只形成了低浓度的单酰甘油和二酰甘油。然而，流速为 20 mL/min、搅拌速度为 2000 rpm 时，单酰和双酰甘油浓度为 61.7%，生产率最高，为 2.1%/min，三酰甘油转化率为 64.6%。滑熔点、熔点、硬度、乳化能力和稳定性分别为 23.77 oC、30 oC、14.6 N、65.15% 和 59.15%。产品在 25 oC 时的固体脂肪含量低于可可脂。该产品含有 β' 和 β 晶体，因此可用作可可脂的替代品。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Polish Journal of Chemical Technology CHEMISTRY, APPLIED-ENGINEERING, CHEMICAL

CiteScore

1.70

自引率

10.00%

发文量

审稿时长

4.5 months

期刊介绍： Polish Journal of Chemical Technology is a peer-reviewed, international journal devoted to fundamental and applied chemistry, as well as chemical engineering and biotechnology research. It has a very broad scope but favors interdisciplinary research that bring chemical technology together with other disciplines. All authors receive very fast and comprehensive peer-review. Additionally, every published article is promoted to researchers working in the same field.