Commission Decision 1999/217/EC
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Aldrich Vapor
Aldrich Vapor Library Listing – 6,611 spectra This library is an ideal tool for investigator using FT-IR to analyze gas phase materials. It contains gas phase spectra collected by Aldrich using a GC-IR interface to ensure chromatographically pure samples. The Aldrich FT-IR Vapor Phase Library contains 6,611 gas phase FT-IR spectra collected by Aldrich Chemical Company using a GC interface. The library includes compound name, molecular formula, CAS (Chemical Abstract Service) registry number, Aldrich catalog number, and page number in the Aldrich Library of FT-IR Spectra, Edition 1, Volume 3, Vapor-Phase. Aldrich Vapor Index Compound Name Index Compound Name 6417 ((1- 3495 (1,2-Dibromoethyl)benzene; Styrene Ethoxycyclopropyl)oxy)trimethylsilane dibromide 2081 (+)-3-(Heptafluorobutyryl)camphor 3494 (1-Bromoethyl)benzene; 1-Phenylethyl 2080 (+)-3-(Trifluoroacetyl)camphor bromide 262 (+)-Camphene; 2,2-Dimethyl-3- 6410 (1-Hydroxyallyl)trimethylsilane methylenebicyclo[2.2.1]heptane 6605 (1-Methyl-2,4-cyclopentadien-1- 2828 (+)-Diisopropyl L-tartrate yl)manganese tricarbonyl 947 (+)-Isomenthol; [1S-(1a,2b,5b)]-2- 6250 (1-Propynyl)benzene; 1-Phenylpropyne Isopropyl-5-methylcyclohexano 2079 (1R)-(+)-3-Bromocamphor, endo- 1230 (+)-Limonene oxide, cis + trans; (+)-1,2- 2077 (1R)-(+)-Camphor; (1R)-(+)-1,7,7- Epoxy-4-isopropenyl-1- Trimethylbicyclo[2.2.1]heptan- 317 (+)-Longifolene; (1S)-8-Methylene- 976 (1R)-(+)-Fenchyl alcohol, endo- 3,3,7-trimethyltricyclo[5.4.0 2074 (1R)-(+)-Nopinone; (1R)-(+)-6,6- 949 (+)-Menthol; [1S-(1a,2b,5a)]-(+)-2- Dimethylbicyclo[3.1.1]heptan-2- -
Isovaline Monohydrate
organic compounds Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368 Isovaline monohydrate Ray J. Butcher,a* Greg Brewer,b Aaron S. Burtonc and Experimental d Jason P. Dworkin Crystal data ˚ 3 C5H11NO2ÁH2O V = 736.10 (12) A aDepartment of Chemistry, Howard University, 525 College Street NW, Washington, Mr = 135.16 Z =4 DC 20059, USA, bDepartment of Chemistry, Catholic University of America, Orthorhombic, P212121 Cu K radiation Washington, DC 20064, USA, cNASA Johnson Space Center, Astromaterial and a = 5.9089 (5) A˚ = 0.84 mmÀ1 Exploration Science Directorate, Houston, TX 77058, USA, and dSolar System b = 10.4444 (10) A˚ T = 123 K Exploration Division, NASA Goddard Space Flight Center, Greenbelt, MD 20771, c = 11.9274 (11) A˚ 0.48 Â 0.08 Â 0.06 mm USA Correspondence e-mail: [email protected] Data collection Agilent Xcalibur (Ruby, Gemini) 1662 measured reflections Received 23 October 2013; accepted 20 November 2013 diffractometer 1204 independent reflections Absorption correction: multi-scan 1072 reflections with I >2(I) (CrysAlis PRO; Agilent, 2012) Rint = 0.072 ˚ Key indicators: single-crystal X-ray study; T = 123 K; mean (C–C) = 0.005 A; Tmin = 0.383, Tmax = 1.000 R factor = 0.056; wR factor = 0.162; data-to-parameter ratio = 13.2. Refinement R[F 2 >2(F 2)] = 0.056 H atoms treated by a mixture of The title compound, C5H11NO2ÁH2O, is an isomer of the - wR(F 2) = 0.162 independent and constrained amino acid valine that crystallizes from water in its zwitterion S = 1.11 refinement ˚ À3 form as a monohydrate. -
Alma Mater Studiorum –– Università Di Bologna
Alma Mater Studiorum –– Università di Bologna DOTTORATO DI RICERCA IN Scienze Chimiche Ciclo XXIV Settore Concorsuale di afferenza: CHIM/06 Settore Scientifico disciplinare: CHIMICA ORGANICA TITOLO TESI Synthesis of Modified Amino Acids and Insertion in Peptides and Mimetics. Structural Aspects and Impact on Biological Activity. Presentata da: De Marco Rossella Coordinatore Dottorato Relatore Prof. Adriana Bigi Prof. Luca Gentilucci Esame finale anno 2012 1 Synthesis of Modified Amino Acids and Insertion in Peptides and Mimetics. Structural Aspects and Impact on Biological Activity. by Rossella De Marco 2012 2 To My Self 3 Table of Contents Cap 1. Chemical Modifications Designed to Improve Peptide Stability 1. Introduction 1.2. Enzymatic Degradation of Peptides 1.3. Structure Modifications to Improve Peptide Stability 1.3.1.Pseudopeptides 1.3.2. Reduced Peptide Bonds 1.3.3. Azapeptides 1.3.4. Retro-Inverso Peptides 1.3.5. Peptoids 1.4. Incorporation of Non-Natural Amino Acids 1.4.1. D-Amino Acids 1.4.2. N-Alkylated Amino Acids 1.4.3. α-Substituted α-Amino-Acids 1.4.4. β-Substituted α-Amino Acids 1.4.5. Proline analogues 1.4.6. β-Amino-Acids 1.5. Cyclization 1.6. β-Turn-Mimetics 1.7. Conclusion References Chapter 2. Cyclopeptide Analogs for Generating New Molecular and 3D Diversity. 2. Introduction 2. 1. Matherial and Methods 2.2. General Methods. 2.3. General Procedure for Peptide Coupling 2.3.1. Boc group deprotection 2.3.2. Fmoc group deprotection 2.3.3. Cbz and benzyl group deprotection 2.3.4. General Procedure for Peptide Cyclization 2.4. -
Metabolism of D1-Valine and D1-Isovaline in the Normal
Ai ABSTRACT OF ThE THESIS OF ___________ for (Naine) (Degree) (Majer) Date Thesis presented__._-J-9LJ-____ THE T i tie - - 9 .PY. NO.MAL RAT- Abstract Approved: (kiajor Professor) Up to the present time no in±ormation is available as to the role of di-valine in metabolism except that it is an ind.ispensllJle amino acid. and must be su.pplied in the diet of' the animal if' growth and. life is to contlnu.e. Experimental techniques that lately have been applied. to the stu.ay of other amino acids might yield sorne inform- ation in this problem and assign to di-valine a definite role as a glycogenic or as a ketone-prod.u.cing compound. The ketolytic properties of di-valine have beem dem- onstrated by the decrease in level of acetonuria of' fasting rats fed di-valine when the ketonaria arises from endogen- oua stores. These ketolrt1c results have been further substantiated when fasting rats were fed. sodium butyrate to heighten the already existing acetonu.ria. This ketolytic effect should derive its origin from the formation of' liver glycogen. Liver glycogen studies were carried. out to test this hypothesis. Small but sign- ificant amounts of glycogen were founa after feeding dl- valine. Thus, affording further proof' that di-valine may be considered a weakly glycogenic amino acid. No glycogen was found after feeding di-isovaline. Absorption studies were made and the rates of absorp- tion of di-valine and di-isovaline were found to confirm to the values previously reported by Chase and Lewis. -
Everything Added to Food in the United States (EAFUS)
Everything Added to Food in the United States (EAFUS) A to Z Index Follow FDA FDA Voice Blog Most Popular Searches Home Food Drugs Medical Devices Radiation-Emitting Products Vaccines, Blood & Biologics Animal & Veterinary Cosmetics Tobacco Products Everything Added to Food in the United States (EAFUS) FDA Home Everything Added to Food in the United States (EAFUS) Everything Added to Food in the United States (EAFUS) - The list below is an alphabetical inventory representing only five of 196 fields in FDA/CFSAN's PAFA database. Definitions of the labels that are found in the inventory are: Label Definition DOCTYPE An indicator of the status of the toxicology information available for the substance in PAFA (administrative and chemical information is available on all substances): A Fully up-to-date toxicology information has been sought. S P E There is reported use of the substance, but it has not yet been assigned for toxicology literature search. A F N There is reported use of the substance, and an initial toxicology literature search is in progress. E W NI Although listed as a added to food, there is no current reported use of the substance, and, therefore, L although toxicology information may be available in PAFA, it is not being updated. N There is no reported use of the substance and there is no toxicology information available in PAFA. U L B The substance was formerly approved as a food additive but is now banned; there may be some toxicology A data available. N DOCNUM PAFA database number of the Food Additive Safety Profile volume containing the printed source information concerning the substance. -
Impact of Wort Amino Acids on Beer Flavour: a Review
fermentation Review Impact of Wort Amino Acids on Beer Flavour: A Review Inês M. Ferreira and Luís F. Guido * LAQV/REQUIMTE, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre, 687, 4169-007 Porto, Portugal; ines.fi[email protected] * Correspondence: [email protected]; Tel.: +351-220-402-644 Received: 3 March 2018; Accepted: 25 March 2018; Published: 28 March 2018 Abstract: The process by which beer is brewed has not changed significantly since its discovery thousands of years ago. Grain is malted, dried, crushed and mixed with hot water to produce wort. Yeast is added to the sweet, viscous wort, after which fermentation occurs. The biochemical events that occur during fermentation reflect the genotype of the yeast strain used, and its phenotypic expression is influenced by the composition of the wort and the conditions established in the fermenting vessel. Although wort is complex and not completely characterized, its content in amino acids indubitably affects the production of some minor metabolic products of fermentation which contribute to the flavour of beer. These metabolic products include higher alcohols, esters, carbonyls and sulfur-containing compounds. The formation of these products is comprehensively reviewed in this paper. Furthermore, the role of amino acids in the beer flavour, in particular their relationships with flavour active compounds, is discussed in light of recent data. Keywords: amino acids; beer; flavour; higher alcohols; esters; Vicinal Diketones (VDK); sulfur compounds 1. Introduction The process by which beer has been brewed has not changed significantly since its discovery over 2000 years ago. Although industrial equipment is used for modern commercial brewing, the principles are the same. -
Acetolactate Decarboxylase-Deficient Spontaneous Mutants of Streptococcus Thermophilus Christophe Monnet, Georges Corrieu
Selection and properties of α-acetolactate decarboxylase-deficient spontaneous mutants of Streptococcus thermophilus Christophe Monnet, Georges Corrieu To cite this version: Christophe Monnet, Georges Corrieu. Selection and properties of α-acetolactate decarboxylase- deficient spontaneous mutants of Streptococcus thermophilus. Food Microbiology, Elsevier, 2007, 24 (6), pp.601-606. 10.1016/j.fm.2007.01.004. hal-01195414 HAL Id: hal-01195414 https://hal.archives-ouvertes.fr/hal-01195414 Submitted on 31 May 2020 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. 1 Selection and properties of -acetolactate decarboxylase-deficient spontaneous mutants 2 of Streptococcus thermophilus 3 4 5 Christophe Monnet*, Georges Corrieu 6 7 Unité Mixte de Recherche Génie et Microbiologie des Procédés Alimentaires, Institut 8 National de la Recherche Agronomique, 78850 Thiverval-Grignon, France 9 10 11 12 13 Running title: alpha-acetolactate decarboxylase-deficient mutants 14 15 16 17 18 19 * Corresponding author. Mailing address: Unité Mixte de Recherche Génie et Microbiologie 20 des Procédés Alimentaires, Institut National de la Recherche Agronomique, 78850 Thiverval- 21 Grignon, France. Phone: +33 (0)1 30 81 54 91. Fax: +33 (0)1 30 81 55 97. E-mail: 22 [email protected] 23 24 Abstract 25 26 Many lactic acid bacteria produce diacetyl, which is a desirable aroma compound in 27 some fermented dairy products. -
TCI AMERICA Page 1 of 5 SAFETY DATA SHEET Revision Number: 1 Revision Date: 07/06/2018
TCI AMERICA Page 1 of 5 SAFETY DATA SHEET Revision number: 1 Revision date: 07/06/2018 1. IDENTIFICATION Product name: 2,2,4,4,6,6-Hexamethyl-1,3,5-trithiane Product code: H1278 Product use: For laboratory research purposes. Restrictions on use: Not for drug or household use. Company: Emergency telephone number: TCI America Chemical Emergencies: 9211 N. Harborgate Street TCI America (8:00am - 5:00pm) PST Portland, OR 97203 U.S.A. +1-503-286-7624 Telephone: Transportation Emergencies: +1-800-423-8616 / +1-503-283-1681 Chemtrec 24-Hour Fax: +1-800-424-9300 (U.S.A.) +1-888-520-1075 / +1-503-283-1987 +1-703-527-3887 (International) e-mail: Responsible department: [email protected] TCI America www.TCIchemicals.com Environmental Health Safety and Security +1- 503-286-7624 2. HAZARD(S) IDENTIFICATION OSHA Haz Com: CFR 1910.1200: Eye Damage/Irritation [Category 2B] WHMIS 2015: Signal word: Warning! Hazard Statement(s): Causes eye irritation Pictogram(s) or Symbol(s): None Precautionary Statement(s): [Prevention] Wash hands and face thoroughly after handling. [Response] If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice or attention. Hazards not otherwise classified: Causes mild skin irritation. May be harmful if swallowed. [HNOC] 3. COMPOSITION/INFORMATION ON INGREDIENTS Substance/mixture: Substance Components: 2,2,4,4,6,6-Hexamethyl-1,3,5-trithiane Percent: >98.0%(GC) CAS RN: 828-26-2 Molecular Weight: 222.42 Chemical Formula: C9H18S3 Synonyms: Trithioacetone 2,2,4,4,6,6-Hexamethyl-1,3,5-trithiane TCI AMERICA Page 2 of 5 4. -
Trithioacetone 10% in Oh, Natural Natural Advantage
TRITHIOACETONE NATURAL, 10% IN OH NATURAL ADVANTAGE, LLC SAFETY DATA SHEET I. PRODUCT AND COMPANY IDENTIFICATION Company: Natural Advantage, LLC Address: 1050 Cypress Creek Road Oakdale, Louisiana 71463 Telephone: 318-215-1456 Fax: 318-335-1579 Product Name: Trithioacetone Natural, 10% in OH Chemical Name: 2,2,4,4,6,6-Hexamethyl-1,3,5-trithiane (10%) in Ethanol (90%) Product Number: NA3475-10-OH EMERGENCY 24 HOUR 1-800-424-9300 CONTACT: ChemTrec Contract # 219030 II. HAZARDS IDENTIFICATION 2.1 Classification of the substance or mixture Classification according to Regulation (EC) No. 1272/2008 [EU-GHS/CLP] Flammable liquid Category 2 Serious eye damage/eye irritation Category 2 NFPA Hazard Rating: Health: 2 Fire: 3 Reactivity: 0 Labeling according to Regulation Pictogram: Signal word: Danger Precautionary statements: (EC) No 1272/2008 [CLP]: Hazard statement: P210 Keep away from heat/sparks/open flames/hot surfaces.- H225 Highly Flammable liquid and vapour No smoking. H319 Causes serious eye irritation P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. P241 Use explosion proof electrical/ventilating/lighting/ equipment. P242 Use only non-sparking tools. P243 Take precautionary measures against static discharge. P264 Wash hands thoroughly after handling P280 Wear protective gloves/protective clothing/ eye protection/ face protection. P303+ P361+P353 IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P370 + P378 In case of fire: Use dry sand, dry chemical or alcohol-resistant foam for extinction. -
The Isoleucine-Valine Biosynthesis Pathway in Staphylococcus Aureus David Lee Bronson Iowa State University
Iowa State University Capstones, Theses and Retrospective Theses and Dissertations Dissertations 1969 The isoleucine-valine biosynthesis pathway in Staphylococcus aureus David Lee Bronson Iowa State University Follow this and additional works at: https://lib.dr.iastate.edu/rtd Part of the Microbiology Commons Recommended Citation Bronson, David Lee, "The isoleucine-valine biosynthesis pathway in Staphylococcus aureus " (1969). Retrospective Theses and Dissertations. 3631. https://lib.dr.iastate.edu/rtd/3631 This Dissertation is brought to you for free and open access by the Iowa State University Capstones, Theses and Dissertations at Iowa State University Digital Repository. It has been accepted for inclusion in Retrospective Theses and Dissertations by an authorized administrator of Iowa State University Digital Repository. For more information, please contact [email protected]. This dissertation has been microfilmed exactly as received 70-7679 BRONSON, David Lee, 1936- THE ISOLEUCINE-VALINE BIOSYNTHESIS PATHWAY IN STAPHYLOCOCCUS AUREUS. Iowa State University, Ph.D., 1969 Bacteriology University Microfilms, Inc., Ann Arbor, Michigan THE ISOLEUCINE-VALINE BIOSYNTHESIS PATHWAY IN STAPHYLOCOCCUS AUREUS by David Lee Bronson A Dissertation Submitted to the Graduate Faculty in Partial Fulfillment of The Requirements for the Degree of DOCTOR OF PHILOSOPHY Major Subject: Bacteriology Approved: Signature was redacted for privacy. In Ch of Major Work Signature was redacted for privacy. Signature was redacted for privacy. Iowa State University -
Handbook of Enology Volume 1 the Microbiology of Wine and Vinifications 2Nd Edition
Handbook of Enology Volume 1 The Microbiology of Wine and Vinifications 2nd Edition Handbook of Enology Volume 1 The Microbiology of Wine and Vinifications 2nd Edition P. Ribereau-Gayon,´ D. Dubourdieu, B. Doneche` and A. Lonvaud 2006 John Wiley & Sons, Ltd ISBN: 0-470-01034-7 Handbook of Enology Volume 1 The Microbiology of Wine and Vinifications 2nd Edition Pascal Ribereau-Gayon´ Denis Dubourdieu Bernard Doneche` Aline Lonvaud Faculty of Enology Victor Segalen University of Bordeaux II, Talence, France Original translation by Jeffrey M. Branco, Jr. Winemaker M.S., Faculty of Enology, University of Bordeaux II Revision translated by Christine Rychlewski Aquitaine Traduction, Bordeaux, France Copyright 2006 John Wiley & Sons Ltd, The Atrium, Southern Gate, Chichester, West Sussex PO19 8SQ, England Telephone (+44) 1243 779777 Email (for orders and customer service enquiries): [email protected] Visit our Home Page on www.wiley.com All Rights Reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning or otherwise, except under the terms of the Copyright, Designs and Patents Act 1988 or under the terms of a licence issued by the Copyright Licensing Agency Ltd, 90 Tottenham Court Road, London W1T 4LP, UK, without the permission in writing of the Publisher. Requests to the Publisher should be addressed to the Permissions Department, John Wiley & Sons Ltd, The Atrium, Southern Gate, Chichester, West Sussex PO19 8SQ, England, or emailed to [email protected], or faxed to (+44) 1243 770620. Designations used by companies to distinguish their products are often claimed as trademarks. -
Publikationsliste Prof. Dr. D. Seebach
Publikationsliste Prof. Dr. D. Seebach 1 + Diplomarbeit: Dieter Seebach Zur Reaktion von Bleitetraacetat mit 1,1-Diphenyl-2-hydroperoxy-propiomesitylen Technische Hochschule Karlsruhe, 1961 2 + Dissertation: Dieter Seebach 2.5-Dihydro-Furan-Peroxyde Technische Hochschule Karlsruhe, 1964 3 Rudolf Criegee, Dieter Seebach Ein Bishydroperoxyd mit ungewöhlicher Bildungstendenz Chem. Ber. 96, 2704 - 2711 (1963) 4 Dieter Seebach Die Reaktion von 2.5-Dimethyl-furan mit Wasserstoffperoxyd Chem. Ber. 96, 2712 - 2722 (1963) 5 Dieter Seebach Die Reaktion von Pentamethylpyrrol mit Wasserstoffperoxyd Chem. Ber. 96, 2723 - 2729 (1963) 6 Rudolf Criegee, Ulrich Zirngibl, Harald Furrer, Dieter Seebach, Günther Freund Photosynthese substituierter Cyclobutene Chem. Ber. 97, 2942 - 2948 (1964) 7 Dieter Seebach Über ein sehr labiles Bicyclo(2.2.0)hexen-Derivat Chem. Ber. 97, 2953 - 2958 (1964) 8 * Dieter Seebach Gespannte polycyclische Systeme aus Drei-und Vierring-Bausteinen Angew. Chem. 77, 119 - 129 (1965) Angew. Chem. Int. Ed. Engl. 4, 121 - 131 (1965) 9 Rudolf Criegee, Haukur Kristinsson, Dieter Seebach, Fritz Zanker Eine neuartige Synthese von Bicyclo(2.2.0)hexen-(2)-Derivaten Chem. Ber. 98, 2331 - 2338 (1965) 10 Rudolf Criegee, Dieter Seebach, Rudolf Ernst Winter, Bernt Börretzen, Hans-Albert Brune Valenzisomerisierungen von Cyclobutenen Chem. Ber. 98, 2339 - 2352 (1965) 11 Elias J. Corey, Dieter Seebach Carbanionen der 1,3-Dithiane, Reagentien zur C-C-Verknüpfung durch nucleophile Substitution oder Carbonyl-Addition Angew. Chem. 77, 1134 - 1135 (1965) Angew. Chem. Int. Ed. Engl. 4, 1075 - 1077 (1965) 12 Elias J. Corey, Dieter Seebach Synthese von 1,n-Dicarbonylverbindungen mit Carbanionen der 1,3-Dithiane Angew. Chem. 77, 1135 - 1136 (1965) Angew.