Ysbelia M Obregón, L. Rojas, Rosa Aparicio, A. Usubillaga
{"title":"山菖蒲(Carramboa taachirensis, Aristeg.)中酸性和中性组分的分析Cuatrec。(菊科)的气相色谱-质谱分析","authors":"Ysbelia M Obregón, L. Rojas, Rosa Aparicio, A. Usubillaga","doi":"10.54305/rffucv.2021.84.1-2.11","DOIUrl":null,"url":null,"abstract":"The genus Carramboa (family Asteraceae) comprises seven species, among which is the Carramboa tachirensis (Aristeg.) (Cuatrec.), species endemic to the Andean paramos. In this paper we prepared an extract of n-hexane: diethyl ether (3:1) from dried leaves of the plant then followed a march acid-base, yielding two fractions: an acid, which was methylated, and one neutral. Both were analyzed by Gas Chromatography-Mass Spectrometry. The identification was made by comparison with authentic standards and with the use of databases Wiley (6th Edition), Nist 05, and Adams. Compounds identified were: ent-kaur-16-en-19-oic acid (11.16 %), ent-kauran-19-oic acid (9.18 %) and ent-15α-hydroxy-16-en-kaur-19-oic acid (17.03 %) of the acid fraction and ent-kaur-16-en-19-ol (2.63 %), epi-ruilopeziol (5.19 %) and 16","PeriodicalId":86850,"journal":{"name":"Revista de la Facultad de Farmacia, Universidad Central de Venezuela","volume":"44 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2021-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Analysis of the acid and neutral fractions present in Carramboa tachirensis (Aristeg.) Cuatrec. (Asteraceae) by Gas Chromatography-Mass Spectrometry\",\"authors\":\"Ysbelia M Obregón, L. Rojas, Rosa Aparicio, A. Usubillaga\",\"doi\":\"10.54305/rffucv.2021.84.1-2.11\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The genus Carramboa (family Asteraceae) comprises seven species, among which is the Carramboa tachirensis (Aristeg.) (Cuatrec.), species endemic to the Andean paramos. In this paper we prepared an extract of n-hexane: diethyl ether (3:1) from dried leaves of the plant then followed a march acid-base, yielding two fractions: an acid, which was methylated, and one neutral. Both were analyzed by Gas Chromatography-Mass Spectrometry. The identification was made by comparison with authentic standards and with the use of databases Wiley (6th Edition), Nist 05, and Adams. Compounds identified were: ent-kaur-16-en-19-oic acid (11.16 %), ent-kauran-19-oic acid (9.18 %) and ent-15α-hydroxy-16-en-kaur-19-oic acid (17.03 %) of the acid fraction and ent-kaur-16-en-19-ol (2.63 %), epi-ruilopeziol (5.19 %) and 16\",\"PeriodicalId\":86850,\"journal\":{\"name\":\"Revista de la Facultad de Farmacia, Universidad Central de Venezuela\",\"volume\":\"44 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-04-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Revista de la Facultad de Farmacia, Universidad Central de Venezuela\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.54305/rffucv.2021.84.1-2.11\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Revista de la Facultad de Farmacia, Universidad Central de Venezuela","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.54305/rffucv.2021.84.1-2.11","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Analysis of the acid and neutral fractions present in Carramboa tachirensis (Aristeg.) Cuatrec. (Asteraceae) by Gas Chromatography-Mass Spectrometry
The genus Carramboa (family Asteraceae) comprises seven species, among which is the Carramboa tachirensis (Aristeg.) (Cuatrec.), species endemic to the Andean paramos. In this paper we prepared an extract of n-hexane: diethyl ether (3:1) from dried leaves of the plant then followed a march acid-base, yielding two fractions: an acid, which was methylated, and one neutral. Both were analyzed by Gas Chromatography-Mass Spectrometry. The identification was made by comparison with authentic standards and with the use of databases Wiley (6th Edition), Nist 05, and Adams. Compounds identified were: ent-kaur-16-en-19-oic acid (11.16 %), ent-kauran-19-oic acid (9.18 %) and ent-15α-hydroxy-16-en-kaur-19-oic acid (17.03 %) of the acid fraction and ent-kaur-16-en-19-ol (2.63 %), epi-ruilopeziol (5.19 %) and 16
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