Analysis of α-terthienyl (2,2′:5′,2″- terthiophene) in Indonesian Tagetes erecta flower by HPLC and LC-MS/MS

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Abstract

Tagetes erecta flowers contain nematoside compound α-Terthienyl (2,2′:5′,2″-Terthiophene) which are toxic to erythrocytes and human skin. In this study, analysis of the content of α-Terthienyl (2,2′:5′,2″-Terthiophene) in orange and yellow Tagetes erecta flowers originating from several areas in West Java by HPLC and LC-MS/MS have been studied. The flowers are dried in an oven at 45 °C, then crushed in a blender and sieved with a 0.35 μm sieve. The flower powder is then extracted with n-hexane using a waterbath shaker at 65 °C for 1 h. The solvent extraction then evaporated in a water bath until dry. The residue in the form of a thick extract is dissolved with ethanol, then filtered with a 0.45 μm membrane filter, then injected into the HPLC system. This filtered solution was also diluted 20 times with acetonitrile for analysis by LC-MS/MS. Content of α-Terthienyl (2,2′:5′,2″-Terthiophene) obtained from the HPLC and LC-MS/MS analysis were not significantly different. The α-Terthienyl (2,2′:5′,2″-Terthiophene) peak is well separated from the other peaks. Orange flowers from each region contain higher α-Terthienyl (2,2′:5′,2″-Terthiophene) than yellow flowers. This method is sensitive and easy to do because it does not require further purification of the extract and uses a simple mobile phase.

Original languageEnglish
Title of host publicationProceedings of the 6th International Symposium on Current Progress in Mathematics and Sciences 2020, ISCPMS 2020
EditorsTribidasari A. Ivandini, David G. Churchill, Youngil Lee, Yatimah Binti Alias, Chris Margules
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735441132
DOIs
Publication statusPublished - 23 Jul 2021
Event6th International Symposium on Current Progress in Mathematics and Sciences 2020, ISCPMS 2020 - Depok, Indonesia
Duration: 27 Oct 202028 Oct 2020

Publication series

NameAIP Conference Proceedings
Volume2374
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference6th International Symposium on Current Progress in Mathematics and Sciences 2020, ISCPMS 2020
Country/TerritoryIndonesia
CityDepok
Period27/10/2028/10/20

Keywords

  • HPLC
  • LC-MS/MS
  • Tagetes erecta
  • waterbath shaker
  • α-Terthienyl (2,2':5',2''-Terthiophene)

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