Zobrazeno 1 - 10
of 142
pro vyhledávání: '"Yana M Syah"'
Publikováno v:
Molekul, Vol 12, Iss 2, Pp 166-173 (2017)
Time–kill assay was performed for 4-hydroxypanduratin A that was isolated from Kaempferia pandurata rizhome against four important foodborne pathogens, namely Bacillus cereus ATCC 21772, Bacillu subtilis ATCC 6633, Staphylococcus aureus ATCC 29737,
Externí odkaz:
https://doaj.org/article/c67bbfa72d334ca18d952ea4e1c83736
Publikováno v:
Indonesian Journal of Chemistry, Vol 5, Iss 3, Pp 207-210 (2010)
Two stilbene derivatives namely lunularin and oxyresveratrol were isolated from Morus macroura Miq. (Moraceae), a rare spesies found in West Sumatera and endemic to Indonesia. The structure of all these compounds were elucidated based on physical and
Externí odkaz:
https://doaj.org/article/86e567a44cb64bde98c9960e37cc7f62
Publikováno v:
Journal of Natural Medicines. 76:842-848
Three new pentacyclic triterpenes, trivially named sandkoetjapic acids A-C (1-3), have been isolated from the leaves extract of Sandoricum koetjape, along with the known triterpenes 3-oxo-olean-12-en-29-oic (4), bryonolic (5), and bryononic (6) acids
Publikováno v:
Journal of Mathematical and Fundamental Sciences, Vol 46, Iss 3, Pp 224-234 (2014)
An acetone extract of Curcuma xanthorrhiza rhizomes and the nhexane and chloroform fractions obtained from it were tested on eight pathogenic bacteria. The results showed that the acetone extract and the nhexane fraction exhibited significant activi
Externí odkaz:
https://doaj.org/article/926e1980f42b434aaac9697e0d3b6755
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis. 16:796-803
Flavanones are one of the flavonoid group that has wide variety of applications such as a precursors in drug discovery. In the laboratory, flavanone is often synthesized from chalcone compounds. The conversion of chalcone to flavanone can be catalyze
Publikováno v:
Key Engineering Materials. 874:69-74
The oxidation of quinine using hydrogen peroxide yielded quinine N-oxide as a major product. The reaction can be accelerated in the presence of palladium chloride (PdCl2) as catalyst. The trace products, however, were identified as the further oxidat
Autor:
Yana M. Syah, I Dewa Agung Panji Dwipayana, Feraliana Feraliana, Azzania Fibriani, Reza Aditama
Publikováno v:
Journal of Microbial Systematics and Biotechnology. 2:1-11
An in vitro dimer-based screening system (DBSS) for selecting new HIV-1 protease dimerization inhibitor candidates from natural compounds had been established. This system utilizes a fusion between HIV-1 protease and dimer binding domain of AraC prot
Autor:
Melina Melina, Valentina Adimurti Kusumaningtyas, Lia D. Juliawaty, Yana M. Syah, Nia Sri Hardianti
Publikováno v:
Jurnal Kimia Valensi, Vol 6, Iss 2, Pp 140-145 (2020)
Tephrosia vogelii Hook.f. is a species of the family Fabaceae (Leguminoceae). These plants are termed ″Polong-polongan″ in Indonesia, and are known to contain active flavonoid groups. Previous studies have shown the isolation of one known flavano
Autor:
Suzany D Ellita, Yana M. Syah, Euis H. Hakim, Hayato Ishikawa, Lia D. Juliawaty, Elvira Hermawati
Publikováno v:
Journal of Natural Medicines. 75:217-222
Two new quinone derivatives, epoxyquinophomopsins A (1) and B (2), were purified from the EtOAc extract of endophytic fungus Phomopsis sp isolated from Morus cathayana. The structures of both compounds were determined based on 1D and 2D NMR and mass
Publikováno v:
Current Research in Nutrition and Food Science Journal. :479-488
In this report, the roasted Arabica coffees obtained from 4 Indonesian regions were analyzed with 1H NMR based-metabolomics. In total, 23 compounds were detected in the coffee 1H NMR spectra. Orthogonal projection to latent structure-discriminant ana