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Chemical structure of gramine
IUPAC name
Other names
3D model (JSmol)
ECHA InfoCard 100.001.591
EC Number 201-749-8
Molar mass 174.24 g/mol
Melting point 138 to 139 °C (280 to 282 °F; 411 to 412 K)
NFPA 704
Flammability code 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g., canola oilHealth code 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g., chloroformReactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogenSpecial hazards (white): no codeNFPA 704 four-colored diamond
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Gramine (also called donaxine) is a naturally occurring indole alkaloid present in several plant species. Gramine may play a defensive role in these plants, since it is toxic to many organisms.[1]


Gramine has been found in the giant reed, Arundo donax,[2][3]Acer saccharinum (Silver Maple),[4]Hordeum,[1][3] (a grass genus that includes barley) and Phalaris[3](another grass genus).

Effects and toxicity

Gramine has been found to act as an agonist of the adiponectin receptor 1 (AdipoR1).[5]

The LD50 of gramine is 44.6 mg/ kg iv in mice and 62.9 mg/ kg iv in rats.[6] Numerous studies have been done on the toxicity in insects harmful to crops for use as a possible insecticide.[7]


  1. ^ a b Corcuera, L. J. (1993). "Biochemical Basis of the Resistance of the Barley to Aphids". Phytochemistry. 33 (4): 741-747. doi:10.1016/0031-9422(93)85267-U.
  2. ^ Orechoff, A.; Norkina, S. (1935). "Über die Alkaloide von Arundo Donax L.". Berichte der Deutschen Chemischen Gesellschaft. 68 (3): 436-437. doi:10.1002/cber.19350680312.
  3. ^ a b c Cheeke, P. R. (1989). Toxicants of Plant Origin, Alkaloids. CRC Press. p. 172. ISBN 0-8493-6990-8.
  4. ^ Pachter, I. J.; Zacharias, D. E.; Ribeiro, O. (1959). "Indole Alkaloids of Acer saccharinum (the Silver Maple), Dictyoloma incanescens, Piptadenia colubrina, and Mimosa hostilis". Journal of Organic Chemistry. 24 (9): 1285-1287. doi:10.1021/jo01091a032.
  5. ^ Sun Y, Zang Z, Zhong L, Wu M, Su Q, Gao X, Zan W, Lin D, Zhao Y, Zhang Z (2013). "Identification of adiponectin receptor agonist utilizing a fluorescence polarization based high throughput assay". PLoS ONE. 8 (5): e63354. doi:10.1371/journal.pone.0063354. PMC 3653934. PMID 23691032.
  6. ^ Erspamer, V. (1954). "Pharmacology of Indolealkylamines". Pharmacological Reviews. 6 (4): 425-487. PMID 13236482.
  7. ^ Corcuera, L. J. (1984). "Effects of Indole Alkaloids from Gramineae on Aphids". Phytochemistry. 23 (3): 539-541. doi:10.1016/S0031-9422(00)80376-3.

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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