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4.594  Articles
1 of 460 pages  |  10  records  |  more records»
Catalytic hydrogenation of eugenol (Mr 164) and isoeugenol (Mr 164) by using synthetic catalyst Ni/?-Al2O3 had been carried out. Eugenol transformation into 2-methoxy-4-propylphenol (Mr 166) as a main product could be achieved in 100% and no conversion re... see more

The stereochemistry effect of eugenol, cis-isoeugenol and trans-isoeugenol on their catalytic hydrogenation by Ni/g-Al2O3 catalyst was investigated. In this investigation, the catalyst is prepared by impregnation of Nickel into solid of ?-Al2O3 in methano... see more

Isoeugenol merupakan senyawa turunan eugenol yang banyak digunakan di industri farmasi, kosmetik, perisa makanan dan minuman. Konversi eugenol menjadi isoeugenol dilakukan melalui reaksi isomerisasi. Isomerisasi eugenol dapat dilakukan secara konvensional... see more

Formation reaction mechanism of  2-methoxy-4-propylphenol on eugenol isomerization that involved protic hydrogen originated from ethylene glycol as a solvent has been done. To check this reaction mechanism, the effect of amounts of ethylene glycol as... see more

The purpose of this study was to compare the composition of oleoresin nutmeg (Myristica fragrans Houtt) madedirectly by maceration and combined distillation – maceration. Nutmeg oleoresin yield amounted to 15.17±0.07 (% db)obtained by direct maceration an... see more

The purpose of this study was to obtain the optimum extraction conditions by performing the optimization of temperature and extraction time and characterization of constituent chemical components of oleoresin nutmeg (Myristica fragrans Houtt) Origin of No... see more

Eugenol and isoeugenol hydrogenations using Pt, Pd, Ni as a single or combined metal, that was supported on X and Y zeolite have been carried out. The experiment result showed that in hydrogenation reaction using metal that was supported on zeolite, eugen... see more

O artigo discute a relação entre cinema e práticas moradoras. Primeiro, situa uma questão larga, a íntima relação entre cinema e morada. Em seguida, enfatiza a luta por moradia e o engajamento face a cisões na nossa experiência social. Propomos um cotejo ... see more

Tingginya penggunaan teknologi dan informasi saat ini mengakibatkan peningkatan risiko dan ancaman keamanan data dan informasi. Dinas Komunikasi dan Informatika Kota Pontianak, dinas pemerintahan yang memanfaatkan dan menggunakan banyak teknologi informas... see more

1 of 460 pages  |  10  records  |  more records»