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Brassicasterol is a 28-carbon sterol synthesised by several unicellular algae (phytoplankton) and some terrestrial plants, like rape. This compound has frequently been used as a biomarker for the presence of (marine) algal matter in the environment, and is one of the ingredients for E number E499. There is some evidence to suggest that it may also be a relevant additional biomarker in Alzheimer's disease.
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Ursolic acid, is a pentacyclic triterpenoid identified in the epicuticular waxes of apples as early as 1920 and widely found in the peels of fruits, as well as in herbs and spices like rosemary and thyme.
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Cucurbitane is a class of tetracyclic chemical compounds with formula C
30H
54. It is a polycyclic hydrocarbon, specifically triterpene. It is also an isomer of lanostane, from which it differs by the formal shift of a methyl group from the 10 to the 9β position in the standard steroid numbering scheme.
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1,2,3,4,5-Cyclopentanepentol, also named cyclopentane-1,2,3,4,5-pentol or 1,2,3,4,5-pentahydroxycyclopentane is a chemical compound with formula C
5H
10O
5 or (–CHOH–)
5, whose molecule consists of a ring of five carbon atoms, each connected to one hydrogen and one hydroxyl group. The unqualified term "cyclopentanepentol" usually refers to this compound. There are four distinct stereoisomers with this same structure.
References
- 1 2 Matsuda, H.; Li, Y.; Yamahara, J.; Yoshikawa, M. (1999). "Inhibition of gastric emptying by triterpene saponin, momordin Ic, in mice: Roles of blood glucose, capsaicin-sensitive sensory nerves, and central nervous system". The Journal of Pharmacology and Experimental Therapeutics. 289 (2): 729–734. PMID 10215646.
- 1 2 3 4 Iwamoto, M.; Okabe, H.; Yamauchi, T. (1985). "Studies on the constituents of Momordica cochinchinensis Spreng. II. Isolation and characterization of the root saponins, Momordins I, II and III". Chemical & Pharmaceutical Bulletin. 33: 1–7. doi: 10.1248/cpb.33.1 .
- ↑ Juhyung Lee; Chi-Hoon Park; Wook-Hwan Kim; Yun Ha Hwang; Kyungchae jeong & Chul-Hak Yang (2006). "Inhibitory effects of momordin I derivatives on the formation of Fos-Jun-AP-1 DNA complex". Bull. Korean Chem. Soc. 27 (4): 535. doi: 10.5012/bkcs.2006.27.4.535 . ISSN 0253-2964.
- 1 2 3 4 5 6 Khesort Nantachit; Patoomratana Tuchinda (2009). "Antimicrobial Activity of Hexane and Dichloromethane Extracts from Momordica cochinchinensis (Lour.) Spreng Leaves" (PDF). Thai Pharmaceutical and Health Science Journal. 4 (1): 15–20. ISSN 1905-3460. Archived from the original (PDF) on 2011-08-24. Retrieved 2011-01-01.
- ↑ Kim, N. Y.; Lee, M. K.; Park, M. J.; Kim, S. J.; Park, H. J.; Choi, J. W.; Kim, S. H.; Cho, S. Y.; Lee, J. S. (2005). "Momordin Ic and Oleanolic Acid from Kochiae Fructus Reduce Carbon Tetrachloride-Induced Hepatotoxicity in Rats". Journal of Medicinal Food. 8 (2): 177–183. doi:10.1089/jmf.2005.8.177. PMID 16117609.
- ↑ Momordin Ie catalog entry at Trading Chem. Accessed 2011-01-01.
- ↑ Momordin IIc catalog entry from NextBio. Accessed on 2011-01-01.
- ↑ Simon, A. S.; Tóth, G. B.; Duddeck, H.; Soliman, H. S. M.; Mahmoud, I. I.; Samir, H. (2006). "Glycosides fromBougainvillea glabra". Natural Product Research. 20 (1): 63–67. doi:10.1080/14786410500162351. PMID 16286311. S2CID 26781556.
- ↑ Momordin IIe catalog page at Look Chemical. Accessed on 2011-01-01.
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