Results 101 to 110 of about 8,408 (243)
A research on conversion of eugenol to methyl isoeugenol via one-step reaction with microwave irradiation has been carried out. Mixtures containing eugenol, sodium or potassium carbonate as solid support, with or without sodium or potassium hydroxide as ...
Marcellino Rudyanto, Lanny Hartanti
doaj +1 more source
Fraksinasi dan Identifikasi Senyawa Volatil pada Asap Cair Tempurung Kelapa Hibrida [PDF]
Tempurung kelapa hibrida merupakan salah satu bahan baku potensial untuk asap cair karena mengandung lignin dan selulosa sebagaimana halnya pada tempurung kelapa lokal.
Darmadji, P. (Purnama) +3 more
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Extraction of wood compounds by use of subcritical fluids [PDF]
A study of the extraction of oak wood compounds with subcritical water-ethanol mixtures as extractant, with an ethanol content between 0-60%, is reported.
Gonzalez-Rodriguez, Jose +2 more
core +1 more source
Potency of Medicinal Plants for Eradication of Avian Influenza : in Vitro Test on Vero Cells [PDF]
Some of medicinal plants indicate their potency as anti-viral such as Sambiloto (Andrographis paniculata Nees), Temu Ireng (Curcuma aeruginosa L.), Beluntas (Pluchea indica L.) Sirih Merah (Piper crocatum) and Adas (Foeniculum vulgare). Avian Influenza (
Bermawie, N. (Nurliani) +1 more
core +2 more sources
Potensi Pengembangan Minyak Daun Cengkih sebagai Komoditas Ekspor Maluku [PDF]
Minyak daun cengkih dihasilkan melalui penyulingan (distilasi uap) daun cengkih gugur. Potensi daun cengkih gugurdiperkirakan 2.368.043 t/tahun dari area tanam 455.393 ha dengan rendemen minyak 14%.
Bustaman, S. (Sjahrul)
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Bioactivity of Sweet Flag (Acorus Calamus Linnaeus) Essential Oils Against Spodoptera Litura Fabricius (Lepidoptera: Noctuidae) [PDF]
The study aims to determine the chemical compounds, toxicity, and antifeedant activity of sweet flag (Acorus calamus) essential oils against third instar larvae of Spodoptera litura.
Afandhi, A. (Aminudin) +2 more
core +2 more sources
An Application of heterogenous catalysis reaction for synthesis of synthetic vanillin (3-hydroxy-2-methoxybenzaldehyde) from eugenol (4-allyl-2-methoxyphenol) of clove oil.
Henny Purwaningsih +3 more
doaj
The radical-scavenging activities of the synthetic antioxidants 2-allyl-4-X-phenol (X=NO2, Cl, Br, OCH3, COCH3, CH3, t-(CH3)3, C6H5) and 2,4-dimethoxyphenol, and the natural antioxidants eugenol and isoeugenol, were investigated using differential ...
Ichiro Yokoe +5 more
doaj +1 more source
Optimasi Ekstraksi Oleoresin Pala (Myristica Fragrans Houtt) Asal Maluku Utara Menggunakan Response Surface Methodology (RSM) [PDF]
Tujuan dari penelitian ini adalah untuk memperoleh kondisi ekstraksi yang optimum dengan melakukan optimasi suhu dan lama ekstraksi dan karakterisasi komponen kimia penyusun oleoresin pala (Myristica fragrans Houtt) Asal Maluku Utara. Oleoresin diekstrak
Assagaf, M. (Muhammad) +3 more
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Estudos de cromatografia aplicados à arqueologia romana: apresentação de resultados preliminares [PDF]
Neste estudo apresentam-se os resultados das análises por cromatografia gasosa com espectrometria de massa acoplada (GC/MS) aos resíduos orgânicos presentes em contentores cerâmicos como ânforas, potes meleiros e colmeias.
Morais, Rui, Oliveira, César
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