Mogroside

A mogroside is a glycoside of cucurbitane derivatives found in certain plants, such as the fruit of the gourd vine, luo han guo (Siraitia grosvenorii).[1][2] Mogrosides are extracted from S. grosvenorii and used in the manufacture of sugar substitutes.[1][2]

Structural formula of mogroside 2 E

Mogrosides
Structural formula of mogroside V
Structural formula of mogroside VI

Mogrosides include:[1][2]

  • Mogrol
  • Mogroside II A1 
  • Mogroside II B 
  • 7-Oxomogroside II E 
  • 11-Oxomogroside A1 
  • Mogroside III A2 
  • 11-Deoxymogroside III 
  • 11-Oxomogroside IV A 
  • Mogroside V 
  • 7-Oxomogroside V 
  • 11-Oxo-mogroside V 
  • Mogroside VI

Biosynthesis

One analysis of 200 candidate genes of Siraitia grosvenorii revealed five enzyme families involved in the synthesis of mogroside V: squalene epoxidases, triterpenoid synthases, epoxide hydrolases, cytochrome P450s, and UDP-glucosyltransferases.[1] The metabolic pathway for mogroside biosynthesis involves an initial stage of fruit development when squalene is metabolized to di-glucosylated, tetra-hydroxycucurbitadienols, then during fruit maturation, branched glucosyl groups are added and catalyzed, leading to the sweet M4, M5, and M6 mogrosides.[1]

Uses

Some mogrosides are used in traditional Chinese medicine[2] and some are extracted for manufacturing as sweeteners.[1] Mogroside V extract from S. grosvenorii fruit is 250 times sweeter than sucrose.[1]

References
  1. Itkin, M.; Davidovich-Rikanati, R.; Cohen, S.; Portnoy, V.; Doron-Faigenboim, A.; Oren, E.; Freilich, S.; Tzuri, G.; Baranes, N.; Shen, S.; Petreikov, M.; Sertchook, R.; Ben-Dor, S.; Gottlieb, H.; Hernandez, A.; Nelson, D. R.; Paris, H. S.; Tadmor, Y.; Burger, Y.; Lewinsohn, E.; Katzir, N.; Schaffer, A. (2016). "The biosynthetic pathway of the nonsugar, high-intensity sweetener mogroside V from Siraitia grosvenorii". Proceedings of the National Academy of Sciences of the United States of America. 113 (47): E7619–E7628. doi:10.1073/pnas.1604828113. PMC 5127336. PMID 27821754.
  2. Subhuti Dharmananda (January 2004), "Luo han guo - Sweet fruit used as sugar substitute and medicinal herb". Institute for Traditional Medicine, Portland, Oregon.
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