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Preparation of Low-Diacylglycerol Cocoa Butter Equivalents by Hexane Fractionation of Palm Stearin and Shea Butter

Authors
Hwang, JihyunJun, HeejuRoh, SeoyeLee, Seong JaeMun, Jeong MinKim, Seung WookChung, Min-YuKim, In-HwanKim, Byung Hee
Issue Date
6월-2021
Publisher
MDPI
Keywords
cocoa butter equivalents; diacylglycerols; hexane fractionation; palm stearin; shea butter
Citation
MOLECULES, v.26, no.11
Indexed
SCIE
SCOPUS
Journal Title
MOLECULES
Volume
26
Number
11
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/127897
DOI
10.3390/molecules26113231
ISSN
1420-3049
Abstract
Herein, we prepared 1,3-dipalmitoyl-2-oleoyl glycerol (POP)-rich fats with reduced levels of diacylglycerols (DAGs), adversely affecting the tempering of chocolate, via two-step hexane fractionation of palm stearin. DAG content in the as-prepared fats was lower than that in POP-rich fats obtained by previously reported conventional two-step acetone fractionation. Cocoa butter equivalents (CBEs) were fabricated by blending the as-prepared fats with 1,3-distearoyl-2-oleoyl glycerol (SOS)-rich fats obtained by hexane fractionation of degummed shea butter. POP-rich fats achieved under the best conditions for the fractionation of palm stearin had a significantly lower DAG content (1.6 w/w%) than that in the counterpart (4.6 w/w%) prepared by the previously reported method. The CBEs fabricated by blending the POP- and SOS-rich fats in a weight ratio of 40:60 contained 63.7 w/w% total symmetric monounsaturated triacylglycerols, including 22.0 w/w% POP, 8.6 w/w% palmitoyl-2-oleoyl-3-stearoyl-rac-glycerol, 33.1 w/w% SOS, and 1.3 w/w% DAGs, which was not substantially different from the DAG content in cocoa butter (1.1 w/w%). Based on the solid-fat content results, it was concluded that, when these CBEs were used for chocolate manufacture, they blended with cocoa butter at levels up to 40 w/w%, without distinctively altering the hardness and melting behavior of cocoa butter.
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Kim, In Hwan
보건과학대학 (바이오시스템의과학부)
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