Results 101 to 110 of about 4,187 (207)

Biotransformation of eugenol and isoeugenol to vanillin by Aspergillus Niger [PDF]

, 2012
Eugenol and isoeugenol are main chemical components of clove oil. These both chemical compounds are phenyipropene, the class of phenylpropanoids chemical compounds. Clove oil extracted from the leaves, stem, and buds of clove tree Syzygium aromaticum. It
Sasikala, Appalasuwami
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Síntesis de (Z)-2-((piridin-4-il)metileno)-[1,3]dioxolo[4,5-f]-indolin-3-ona y (Z)-2- ((piridin-2-il)metileno)-[1,3]dioxolo[4,5-f]-indolin-3-ona, Coordinación a Rodio, y su actividad catalítica en la hidroformilación en fase homogénea de alil y propenilbe

Revista de Investigaciones Universidad del Quindío, 2013
En este trabajo se reporta, la síntesis del nuevo complejo de RhCl(ƞ4- 1,5-COD)(N-het)], donde los N-het son los derivados piridin-indolinona, (Z)-2-((piridin-4-il)metilen)-[1,3]dioxo[4,5-f]-indolin-3-ona (1) and (Z)-2- ((piridin-2-il)metilen)-[1,3]dioxo[
Fernando Cuenú Cabezas, Rodrigo Abonia Gonzales, Victoria Alejandra Gómez Andrade   +2 more
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The time-dose-response relationship for elicitation of contact dermatitis in isoeugenol allergic individuals

, 2001
Udgivelsesdato: 2001-Feb-1The elicitation response in allergic contact dermatitis is dose dependent, but the time-concentration relationship for elicitation has not previously been described. In this study 27 isoeugenol-sensitive patients participated in
White, I, Menné, T, Goossens, A, Bruze, M, Andersen, Klaus Ejner; id_orcid, Lepoittevin, J P, Rastogi, S, Johansen, Jeanne Duus, Frosch, P J   +8 more
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Transcriptome-wide analysis of PIP reductase gene family identified a phenylpropene synthase crucial for the biosynthesis of dibenzocyclooctadiene lignans in Schisandra chinensis

Synthetic and Systems Biotechnology
Phenylpropenes, such as isoeugenol and eugenol, are produced as defend compounds, floral attractants, and flavor constituents by phenylpropene synthases belonging to the PIP reductase family.
Tingyan Qiang, Yu Chen, Bin Li, Yuqing Dong, Xueping Wei, Jiushi Liu, Bengang Zhang, Haitao Liu, Peigen Xiao   +8 more
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Mekanisme brominasi pada metil isoeugenol= A Bromination Mechanism for Methyl Isoeugenol

, 1994
INTISARI Brominasi pada metil isoeugenol dilakukan pada suhu - 5 °C sampai D °C dalam suasana gas N2 dengan larutan brom dalam CCl4. Diperoleh basil campuran 45,5 % treo dan 545 % eritro 1.2dibromo -1- ( 3,4-dimetoksifenil ) propana dengan titik lebur ...
Perpustakaan UGM, i-lib
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Pengaruh waktu reaksi isomerisasi eugenol menggunakan pereaksi KOH terhadap rasio kadar eugenol dan isoeugenol [PDF]

, 2010
Isoeugenol merupakan senyawa kimia yang banyak digunakan sebagai bahan baku pembuatan parfum, perasa (flavour), dan dapat dimanfaatkan untuk mensintesis vanili.
AndriPuguhEndraFirdaus
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Evaluation of the sensitizing potential of eugenol and isoeugenol in mice and guinea pigs

, 1996
The sensitizing, properties of the fragrances eugenol and isoeugenol have been investigated experimentally. The potential of these materials to induce sensitization of the respiratory tract was examined using the mouse IgE test, a novel but as yet ...
Fielding, I., Dearman, R. J., Kimber, I., Hilton, J., Basketter, D. A.   +4 more
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Isolasi Gen Isoeugenol Monooxygenase (iem) dari Bacillus cereus SBMAX30 dan Analisis Struktur Putatif Iem untuk Efisiensi Biotransformasi Isoeugenol menjadi Vanilin secara In Silico [PDF]

Biotransformasi isoeugenol menjadi vanilin merupakan teknologi alternatif untuk produksi vanilin yang menjadi pilihan menarik dalam dunia industri. Isoeugenol monooxygenase (iem) merupakan enzim utama untuk biotransformasi isoeugenol menjadi vanilin ...
Zhafira, Rizkia
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Contact allergy to isoeugenol and its derivatives: problems with allergen substitution

, 2004
A total of 2261 (808 male, 1453 female) consecutive patients attending contact dermatitis clinics were patch tested to isoeugenol and its derivatives listed in the EU Inventory of Fragrance Ingredients.
Royds, C, Svedman, Cecilia,, Tanaka, S, Basketter, D A, Goossens, A, Bruze, M, C. Svedman, Johansen, JD, I. R. White, Bruze, Magnus, J. D. Johansen, J. P. McFadden, Menne, T, Bruze, Magnus,, S. Tanaka, C. Royds, Johansen, J D, M. Bruze, White, I R, Buckley, D, T. Menné, McFadden, J P, White, IR, Svedman, Cecilia, D. Buckley, McFadden, JP, Basketter, DA, D. A. Basketter, A. Goossens, Lund University., Svedman, C   +30 more
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Reaksi Penataan Ulang Sigmatropik Hidrogen [1,3] Secara Termal dan Reaksi Penataan Ulang Prototropik [1,3] yang dikatalisis oleh Katalis Transfer Fase (Ptc) , [18]-Crown Ether-6: Semi-Sintesis Vanili dari Eugenol

Makara Seri Sains, 2002
Semi-synthesis of vanillin from eugenol can be divided into two step reactions namely, isomerization of eugenol intoisoeugenol, and cleavage oxidation of isomerization product into expected reaction product (vanillin).
Hendra Wijaya, Tony Sukri, Wahyudi Priyono Suwarso   +2 more
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