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Image of Oksidasi dan uji aktifitas antibakteri asam ursolat dan isomer nya asam oleanolat dari buah tembesu (FRAGREA FRAGFRANS ROXB)

Text

Oksidasi dan uji aktifitas antibakteri asam ursolat dan isomer nya asam oleanolat dari buah tembesu (FRAGREA FRAGFRANS ROXB)

Linggar Aprida Ekasari - Personal Name;

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Penilaian anda saat ini :  

Telah dilakukan reaksi oksidasi asam ursolat dan isomernya asam oleanolat, yang
diisolasi dari buah tembesu (Fragrea fragrans Roxb) dengan menggunakan pereaksi
Jones’ (K2Cr2O7, H2SO4, dan aseton). Hasil reaksi diperoleh senyawa asam 3-oxo-urson-
12-en-28-oat [asam 3-oxo-olean-12-en-28-oat] dengan rendemen reaksi 18%.
Selanjutnya senyawa hasil oksidasi dilakukan uji aktifitas antibakteri terhadap bakteri
gram positif dan bakteri gram negatif. Hasil uji aktifitas antibakteri senyawa hasil
oksidasi pada konsentrasi 22 mg/mL memperlihatkan zona hambat ; Staphylococcus
aureus (0.0051 cm2), Bacillus subtilis (0.0044 cm2), Shigella dysentriae (0.0054
cm2), dan Escherechia coli (0.0069 cm2).


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Detail Information
Series Title
-
Call Number
571.99307 Lin o 2013
Publisher
Inderalaya : Fak. Matematika Dan Ilmu Pengetahuan Alam., 2013
Collation
xiii, 41 hlm. : ilus.
Language
Indonesia
ISBN/ISSN
-
Classification
571.99307
Content Type
-
Media Type
-
Carrier Type
-
Edition
-
Subject(s)
Anti Bakteri
Asam Ursolat
Reaksi Oksidasi
Specific Detail Info
-
Statement of Responsibility
-
Other version/related

No other version available

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