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Updated: Jan 3, 2026

Structural Characterization of Mannan Cell Wall Polysaccharides in Plants Using PACE
Published on: October 16, 2017
Enhancing stability and bioaccessibility of chlorogenic acid using complexation with amylopectin: A comprehensive
Jarukitt Limwachiranon1, Hao Huang1, Li Li1
1Zhejiang University, College of Biosystems Engineering and Food Science, Key Laboratory of Agro-Products Postharvest Handling of Ministry of Agricultural and Rural Affairs, Zhejiang Key Laboratory for Agro-Food Processing, Hangzhou 310058, People's Republic of China.
Abstract:
Chlorogenic acid (CA) performs numerous bioactivities; however, its usage is currently limited because of low stability and poor bioaccessibility. In this study, a amylopectin-CA complex was formed. FTIR studies confirmed that the new complex formed via hydrogen and CH-π bonding, and was involved with the reorganization of the skeletal α-1,4 glucosidic linkages of amylopectin. DSC and XRD studies suggested that complexation affected starch crystallinity and increased the size of the amorphous region. Under high temperature, complex degradation followed first-order reaction kinetics whereas under low acidity, the complex retained maximum CA content at pH 2.5. In vitro gastrointestinal (GI) digestion studies showed that maximum digestion of the complex took place during the gastric phase (39%). In addition, 81.14% of the retained CA was absorbed after GI digestion. In conclusion, amylopectin complexation may improve the stability of CA during digestion and under various food-processing operations.
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