ISOLASI SENYAWA SWEROStDA DARI KULIT BATANG TEMBESU (Fagraeae fragrance Robx) DAN AKTIVITASNYA TERHADAP Escherichia choll DAN Bacillus subtilis

DWI KARTIKA, ANGGA WAHYU and Eliza, Eliza and Basir, Dasril (2014) ISOLASI SENYAWA SWEROStDA DARI KULIT BATANG TEMBESU (Fagraeae fragrance Robx) DAN AKTIVITASNYA TERHADAP Escherichia choll DAN Bacillus subtilis. Undergraduate thesis, Sriwijaya University.

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Abstract

Penelitian sebelumnya menunjukan bahwa fraksi etil asetat dari kulit batang Tembesu (F. fragrance Robx) memiliki aktivitas antibakteri dan anti fungi, sehingga pada penelitian ini dilakukan isolasi metabolit sekunder dari kulit batang Tembesu. Isolasi dilakukan melalui tahap ekstraksi, pemisahan dan pemurnian, sedangkan karakterisasi dilakukan secara spektroskopi. Ekstraksi dilakukan secara maserasi, sedangkan pemisahan dan pemurnian dilakukan dengan teknik kromatografi. Kelompok senyawa secoiridoid glukosida dengan nama Swerosida (l-okso-5-vinil~4,4a,5,6- tetrahidro- 1H,3H -pirano [3,4-c] piran-6-il P-£>- glukopiranosida) telah berhasil diisolasi dan diidentifikasi berdasarkan data spektroskopi NMR ('H, 13C, HSQC, HMBC, dan COSY). Swerosida hasil isolasi memberikan aktivitas antibakteri terhadap bakteri Escherichia coli dan Bacillus subtilis dengan nilai konsentrasi hambat minimum (KHM) masing-masing sebesar 125 ppm yang dikategorikan sebagai antibakteri cukup kuat. Kata kunci: F. fragrance, secoiridoid glukosida, Swerosida, antibakteri.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: F. fragrance, secoiridoid glukosida, Swerosida, antibakteri.
Subjects: Q Science > QD Chemistry > QD1-999 Chemistry
Divisions: 08-Faculty of Mathematics and Natural Science > 47201-Chemistry (S1)
Depositing User: Mrs. Elly Suryani
Date Deposited: 24 Feb 2022 01:38
Last Modified: 24 Feb 2022 01:38
URI: http://repository.unsri.ac.id/id/eprint/65398

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