Journal
STARCH-STARKE
Volume 73, Issue 3-4, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/star.202000051
Keywords
activities; dandelion leaves; dandelions; polysaccharides; simulated digestion
Categories
Funding
- Postdoctoral Scientific Research Start-up Fund Program of Heilongjiang Province, China [LBH-Q19077]
- Natural Science Foundation of Heilongjiang Province of China [LH2020C026]
- Student Innovation Practical Training Project of Northeast Agricultural University [201910224079]
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A polysaccharide extracted from dandelion leaves, with high sugar content and excellent water holding and oil holding capacities, can exist stably in the digestive system and possess prebiotic properties.
A dandelion leaf polysaccharide (DLP) with a sugar content of 46.53 +/- 2.22% is isolated using ultrasonic-assisted enzymatic extraction. The DLP contains two polysaccharide fractions with respective molecular weights (M-w) of 1900 and 22 800 g mol(-1). Gas chromatography analysis reveals a composition of rhamnose, arabinose, mannose, galactose, and glucose. DLP displays excellent water holding and oil holding capacities, along with a moderate emulsifying activity and stability. Following simulated digestion in vitro, DLP can exist stably in the digestive system (saliva, gastric, and small intestine) without degradation. Furthermore, DLP possesses prebiotic properties and could be utilized as a carbon source.
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