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. 2022 Mar 10;20(3):202.
doi: 10.3390/md20030202.

Ulva (Enteromorpha) Polysaccharides and Oligosaccharides: A Potential Functional Food Source from Green-Tide-Forming Macroalgae

Limin Ning  1   2 , Zhong Yao  2 , Benwei Zhu  2
Affiliations

Ulva (Enteromorpha) Polysaccharides and Oligosaccharides: A Potential Functional Food Source from Green-Tide-Forming Macroalgae

Limin Ning et al. Mar Drugs. .

Abstract

The high-valued utilization of Ulva (previously known as Enteromorpha) bioresources has drawn increasing attention due to the periodic blooms of world-wide green tide. The polysaccharide is the main functional component of Ulva and exhibits various physiological activities. The Ulva oligosaccharide as the degradation product of polysaccharide not only possesses some obvious activities, but also possesses excellent solubility and bioavailability. Both Ulva polysaccharides and oligosaccharides hold promising potential in the food industry as new functional foods or food additives. Studies on Ulva polysaccharides and oligosaccharides are increasing and have been the focus of the marine bioresources field. However, the comprehensive review of this topic is still rare and do not cover the recent advances of the structure, isolation, preparation, activity and applications of Ulva polysaccharides and oligosaccharides. This review systematically summarizes and discusses the recent advances of chemical composition, extraction, purification, structure, and activity of Ulva polysaccharides as well as oligosaccharides. In addition, the potential applications as new functional food and food additives have also been considered, and these will definitely expand the applications of Ulva oligosaccharides in the food and medical fields.

Keywords: Ulva; activity; oligosaccharide; polysaccharide; preparation; structure.

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Conflict of interest statement

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Figures

Figure 1
Figure 1
The morphology pictures of three kinds of Ulva species. (A). Ulva compressa; (B). Ulva linza; (C). Ulva intestinalis.
Figure 2
Figure 2
The numbers of published papers with keywords of Ulva polysaccharide and oligosaccharide between 1900 and 2020.
Figure 3
Figure 3
The main monosaccharide composition of Ulva polysaccharides.
Figure 4
Figure 4
The schematic diagram of the immune regulatory and antitumor mechanism of Ulva polysaccharides on the molecular and cellular level.
Figure 5
Figure 5
The potential and promising applications of Ulva polysaccharide and oligosaccharides.
See this image and copyright information in PMC

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