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Review
. 2020 Feb 19;25(4):917.
doi: 10.3390/molecules25040917.

Advanced Research on the Antioxidant Activity and Mechanism of Polyphenols from Hippophae Species-A Review

Mingyue Ji  1 , Xue Gong  1 , Xue Li  2 , Congcong Wang  1 , Minhui Li  1   2   3   4   5
Affiliations
Review

Advanced Research on the Antioxidant Activity and Mechanism of Polyphenols from Hippophae Species-A Review

Mingyue Ji et al. Molecules. .

Abstract

Oxidation is a normal consequence of metabolism in biological organisms. The result is the formation of detrimental reactive oxygen species (ROS) and reactive nitrogen species (RNS). A large number of studies have shown that polyphenolic compounds have good antioxidant properties. Hippophae species plants have high polyphenolic content and are widely used in food, medicinal, or the cosmetic field. The main polyphenols in Hippophae species are flavonoids, phenolic acids and tannins, which have multiple effects. However, there is a limited number of studies on polyphenols in Hippophae species plants. This review systematically summarizes the polyphenols compounds and antioxidant activity of Hippophae species plants, and it is noteworthy that the main mechanisms of the polyphenols of Hippophae with antioxidant activity have been summarized as follows: regulating enzyme activity, affect the antioxidant reaction of cells, and others. This review provides useful information for the further study and application of Hippophae species polyphenols and their antioxidant activity.

Keywords: Hippophae species; antioxidant activity; applications; polyphenols.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
The fruit of sea buckthorn (H. rhamnoides L.).
Figure 2
Figure 2
Polyphenolic compounds from the Hippophae species.
Figure 3
Figure 3
Chemical structures of flavonoids from Hippophae species.
Figure 4
Figure 4
Chemical structures of phenolic acids from Hippophae species.
Figure 5
Figure 5
Chemical structures of others from Hippophae species.
Figure 6
Figure 6
Chemical structures of others from Hippophae species.
Figure 6
Figure 6
Chemical structures of others from Hippophae species.
Figure 7
Figure 7
The antioxidant mechanism of polyphenols from Hippophae species. (NADPH: nicotinamide adenine dinucleotide phosphate; NADP+: nicotinamide adenine dinucleotide phosphate; NOXs: NADPH oxidases; SOD: superoxide dismutase; CAT: catalase; GPX: glutathione peroxidase).
See this image and copyright information in PMC

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