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Salidroside

Rhodioloside Tyrosol glucoside

Salidroside (rhodioloside) is a glucoside of tyrosol found in the plant Rhodiola rosea. It has been studied, along with rosavin, as one of the potential compounds responsible for the putative antidepressant and anxiolytic actions of this plant. Salidroside may be more active than rosavin, even though many commercially marketed Rhodiola rosea extracts are standardized for rosavin content rather than salidroside.

Bioactivities

Salidroside was shown to improve glucose homeostasis and alleviate diabetic retinopathy in obese mice. The antioxidant, anti-inflammatory and neuroprotective effects of salidroside have also been reported.

Biosynthesis

The salidroside biosynthetic pathway in Rhodiola rosea was described in 2018. Rhodiola contains a pyridoxal phosphate-dependent 4-hydroxyphenylacetaldehyde (4-HPAA) synthase that converts tyrosine to 4-HPAA, which is further reduced to tyrosol by 4-HPAA reductase. Rhodiola contains a regio-selective tyrosol:UDP-glucose 8-O-glucosyltransferase that glycosylates tyrosol to produce salidroside.

References

References

  1. (November 2007). "Simultaneous determination of salidroside and tyrosol in extracts of Rhodiola L. by microwave assisted extraction and high-performance liquid chromatography". Journal of Pharmaceutical and Biomedical Analysis.
  2. (January 2007). "Adaptogenic and central nervous system effects of single doses of 3% rosavin and 1% salidroside Rhodiola rosea L. extract in mice". Phytotherapy Research.
  3. (March 2009). "Effects of Rhodiola rosea L. extract on behavioural and physiological alterations induced by chronic mild stress in female rats". Journal of Psychopharmacology.
  4. (January 2008). "Comparative study of Rhodiola preparations on behavioral despair of rats". Phytomedicine.
  5. (May 2016). "Salidroside improves glucose homeostasis in obese mice by repressing inflammation in white adipose tissues and improving leptin sensitivity in hypothalamus". Scientific Reports.
  6. (2022). "Long-Term Oral Administration of Salidroside Alleviates Diabetic Retinopathy in db/db Mice". Frontiers in Endocrinology.
  7. (2019-12-13). "Neuroprotective Effects of Salidroside on Cerebral Ischemia/Reperfusion-Induced Behavioral Impairment Involves the Dopaminergic System". Frontiers in Pharmacology.
  8. (October 2021). "Salidroside attenuates acute lung injury via inhibition of inflammatory cytokine production". Biomedicine & Pharmacotherapy.
  9. (2017-10-18). "Salidroside, A Natural Antioxidant, Improves β-Cell Survival and Function via Activating AMPK Pathway". Frontiers in Pharmacology.
  10. (2018-01-08). "Complete Pathway Elucidation and Heterologous Reconstitution of Rhodiola Salidroside Biosynthesis". Molecular Plant.
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phenol-glucosides phenylethanoids 4-hydroxyphenyl-compounds
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