| Category:cosmetic agents   US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:   Physical Properties: 
| Assay: | 95.00 to 100.00 |  | Food Chemicals Codex Listed: | No |  | Melting Point: | 222.00 °C. @  760.00 mm Hg |  | Boiling Point: | 586.30 °C. @  760.00 mm Hg (est) |  | Flash Point: | 492.00 °F. TCC (  255.40 °C. ) (est) |  | logP (o/w): | 2.220 (est) |  | Soluble in: |  |  | water, 566.3 mg/L @ 25 °C (est) |    Organoleptic Properties: 
| Odor and/or flavor descriptions from others (if found). |    Cosmetic Information:   Suppliers: 
| BOC Sciences |  | For experimental / research use only. |  | Quassin |  | Carbosynth |  | For experimental / research use only. |  | Quassin |  | Coompo |  | For experimental / research use only. |  | Quassin from Plants  ≥96% Odor: characteristic Use: Quassin has been identified to be the antilarval principle present in this plant and was effective against mosquito larvae at a concentration of 6 ppm. Quassin was over five times as active as carbaryl, a synthetic antilarval agent.
Quassin inhibits the steroidogenesis in Rat Leydig Cells In vitro. |    Safety Information: 
|  |  | Hazards identification |  |  |  | Classification of the substance or mixture |  | GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) |  | None found. |  | GHS Label elements, including precautionary statements |  |  |  | Pictogram |  |  |  |  | Hazard statement(s) |  | None found. |  | Precautionary statement(s) |  | None found. |  | Oral/Parenteral Toxicity: |  | Not determined |  | Dermal Toxicity: |  | Not determined |  | Inhalation Toxicity: |  | Not determined |    Safety in Use Information: 
| Category: |  | cosmetic agents |  | Recommendation for quassin usage levels up to: |  |  | not for fragrance use. |  |  |  | Recommendation for quassin flavor usage levels up to: |  |  | not for flavor use. |    Safety References:   References:   Other Information:   Potential Blenders and core components note  Potential Uses:   Occurrence (nature, food, other):note  Synonyms: 
| 2,12- | dimethoxypicrasa-2,12-diene-1,11,16-trione |  | (3aS,6aR,7aS,8S,11aS,11bS,11cS)-1,3a,4,5,6a,7,7a,8,11,11a,11b,11c- | dodecahydro-2,10-dimethoxy-3,8,11a,11c-tetramethyl dibenzo(de,g)chromene-1,5,11-trione |  |  | nigakilactone D |  | 3ab,6ab,7,7aa,8,11a,11ba,11c- | octahydro-2,10-dimethoxy-3,8a,11ab,11cb-tetramethylphenanthro[10,1-bc]pyran-1,5,11(4H)-trione |  |  | picrasa-2,12-diene-1,11,16-trione, 2,12-dimethoxy- |  |  | picrasmin |  |  | quassine |    Articles:
| PubMed:Antiulcerogenic effects and possible mechanism of action of Quassia amara (L. Simaroubaceae) extract and its bioactive principles in rats. |  | PubMed:Liquid chromatography electrospray ionization tandem mass spectrometric determination of quassin and neoquassin in fruits and vegetables. |  | PubMed:Reproductive activities of female albino rats treated with quassin, a bioactive triterpenoid from stem bark extract of Quassia amara. |  | PubMed:Quassinoid constituents of Quassia amara L. leaf herbal tea. Impact on its antimalarial activity and cytotoxicity. |  | PubMed:[Examination of original plant of Jamaica quassia extract, a natural bittering agent, based on composition of the constituents]. |  | PubMed:[Analysis of constituents in Jamaica quassia extract, a natural bittering agent]. |  | PubMed:Quassinoids from Picrasma crenata. |  | PubMed:Indonesian medicinal plants. XVII. Characterization of quassinoids from the stems of Quassia indica. |  | PubMed:Liquid chromatography electrospray ionization tandem mass spectrometric determination of quassin and neoquassin in fruits and vegetables. |  | PubMed:Reproductive activities of female albino rats treated with quassin, a bioactive triterpenoid from stem bark extract of Quassia amara. |  | PubMed:[Examination of original plant of Jamaica quassia extract, a natural bittering agent, based on composition of the constituents]. |  | PubMed:Quassin alters the immunological patterns of murine macrophages through generation of nitric oxide to exert antileishmanial activity. |  | PubMed:Inhibition of CYP1A1 by Quassinoids found in Picrasma excelsa. |  | PubMed:[Analysis of constituents in Jamaica quassia extract, a natural bittering agent]. |  | PubMed:Quassinoids from Picrasma crenata. |  | PubMed:Antiviral activity of simalikalactone D, a quassinoid from Quassia africana. |  | PubMed:Total synthesis of (+)-quassin. |  | PubMed:[Weitz' aminium salt initiated electron transfer reactions and application to the synthesis of natural products]. |  | PubMed:Indonesian medicinal plants. XVII. Characterization of quassinoids from the stems of Quassia indica. |  | PubMed:Antifertility activity of Quassia amara: quassin inhibits the steroidogenesis in rat Leydig cells in vitro. |  | PubMed:2-Methoxycanthin-6-one: A New Alkaloid from the Stem Wood of Quassia amara. |  | PubMed:A microwell cytotoxicity assay using Artemia salina (brine shrimp). |  | PubMed:Effect of quassin on the metabolism of catecholamines in different life cycle stages of Culex quinquefasciatus. |  | PubMed:Larvicidal efficacy of Quassin against Culex quinquefasciatus. |  | PubMed:Activity of quassinoids as antifeedants against aphids. |  | PubMed:Use of microdilution to assess in vitro antiamoebic activities of Brucea javanica fruits, Simarouba amara stem, and a number of quassinoids. |  | PubMed:1H- and 13C-NMR spectroscopic studies of selected quassinoids. |  | PubMed:Acute insecticidal activity of quassin and its congeners against the American cockroach. |  | PubMed:Production of the triterpenoid quassin in callus and cell suspension cultures of Picrasma quassioides Bennett. |  | PubMed:Quassinoid bitter principles. II. |  | PubMed:Antifeedant activity of quassinoids. |  | PubMed:An enzyme-linked immunosorbent assay for quassin and closely related metabolites. |  | PubMed:Structure-activity relationships for binding and inactivation of rabbit reticulocyte ribosomes by quassinoid antineoplastic agents. |  | PubMed:[Antiamebic properties of some derivatives of ailantone and quassin]. |  | PubMed:A thin-layer chromatographic method for the determination of "quassin" in cosmetic preparations. |  | PubMed:[Research on the constituents of the bark of the subspontaneous Ailanthus glandulosa Desf. of Liguria. I. Identification of two amaroids (quassin and neopuassin)]. |    |