Special Issue "Flavors and Fragrances"

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A special issue of Molecules (ISSN 1420-3049).

Deadline for manuscript submissions: closed (31 March 2013)

Special Issue Editor

Guest Editor
Dr. Derek J. McPhee
Director of Chemistry, Amyris, Inc., 5885 Hollis St, Suite 100, Emeryville, CA 94608, USA
E-Mail: mcphee@mdpi.com
Phone: +1 510 450 0761 xt 718
Fax: +1 510 225 2645
Interests: organic synthesis; medicinal chemistry; biotechnology

Special Issue Information

Submission

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. Papers will be published continuously (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are refereed through a peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Molecules is an international peer-reviewed Open Access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs).

Published Papers (18 papers)

by ,  and
Molecules 2013, 18(10), 12538-12547; doi:10.3390/molecules181012538
Received: 23 July 2013; in revised form: 27 September 2013 / Accepted: 7 October 2013 / Published: 10 October 2013
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by ,  and
Molecules 2013, 18(9), 11586-11600; doi:10.3390/molecules180911586
Received: 15 August 2013; in revised form: 3 September 2013 / Accepted: 11 September 2013 / Published: 17 September 2013
Show/Hide Abstract | Cited by 2 | PDF Full-text (1392 KB)

by , , IV,  and
Molecules 2013, 18(8), 10024-10041; doi:10.3390/molecules180810024
Received: 18 July 2013; in revised form: 7 August 2013 / Accepted: 14 August 2013 / Published: 20 August 2013
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by , , ,  and
Molecules 2013, 18(7), 8200-8229; doi:10.3390/molecules18078200
Received: 17 May 2013; in revised form: 2 July 2013 / Accepted: 3 July 2013 / Published: 11 July 2013
Show/Hide Abstract | Cited by 4 | PDF Full-text (710 KB)
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by ,  and
Molecules 2013, 18(6), 7194-7238; doi:10.3390/molecules18067194
Received: 15 May 2013; in revised form: 13 June 2013 / Accepted: 14 June 2013 / Published: 19 June 2013
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by
Molecules 2013, 18(6), 6936-6951; doi:10.3390/molecules18066936
Received: 25 April 2013; in revised form: 6 June 2013 / Accepted: 7 June 2013 / Published: 13 June 2013
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by ,  and
Molecules 2013, 18(6), 6748-6781; doi:10.3390/molecules18066748
Received: 28 March 2013; in revised form: 26 May 2013 / Accepted: 4 June 2013 / Published: 7 June 2013
Show/Hide Abstract | Cited by 3 | PDF Full-text (323 KB)

by , , , , ,  and
Molecules 2013, 18(6), 6161-6172; doi:10.3390/molecules18066161
Received: 10 April 2013; in revised form: 8 May 2013 / Accepted: 20 May 2013 / Published: 24 May 2013
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by , ,  and
Molecules 2013, 18(5), 6035-6056; doi:10.3390/molecules18056035
Received: 22 February 2013; in revised form: 2 May 2013 / Accepted: 15 May 2013 / Published: 21 May 2013
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by , , ,  and
Molecules 2013, 18(5), 5736-5748; doi:10.3390/molecules18055736
Received: 29 March 2013; in revised form: 29 April 2013 / Accepted: 10 May 2013 / Published: 16 May 2013
Show/Hide Abstract | Cited by 2 | PDF Full-text (229 KB)
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by ,  and
Molecules 2013, 18(5), 5434-5454; doi:10.3390/molecules18055434
Received: 15 March 2013; in revised form: 21 April 2013 / Accepted: 6 May 2013 / Published: 10 May 2013
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by , ,  and
Molecules 2013, 18(5), 5317-5325; doi:10.3390/molecules18055317
Received: 15 April 2013; in revised form: 2 May 2013 / Accepted: 6 May 2013 / Published: 8 May 2013
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by IV and
Molecules 2013, 18(5), 4887-4905; doi:10.3390/molecules18054887
Received: 29 March 2013; in revised form: 12 April 2013 / Accepted: 19 April 2013 / Published: 25 April 2013
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by ,  and
Molecules 2013, 18(4), 3927-3947; doi:10.3390/molecules18043927
Received: 27 February 2013; in revised form: 28 March 2013 / Accepted: 28 March 2013 / Published: 3 April 2013
Show/Hide Abstract | Cited by 1 | PDF Full-text (511 KB)

by , , , ,  and
Molecules 2013, 18(3), 3312-3338; doi:10.3390/molecules18033312
Received: 25 January 2013; in revised form: 6 March 2013 / Accepted: 8 March 2013 / Published: 13 March 2013
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by , , , , , , , , , , , ,  and
Molecules 2013, 18(3), 3086-3106; doi:10.3390/molecules18033086
Received: 30 November 2012; in revised form: 22 January 2013 / Accepted: 26 February 2013 / Published: 7 March 2013
Show/Hide Abstract | Cited by 4 | PDF Full-text (1068 KB)

by ,  and
Molecules 2013, 18(3), 2646-2662; doi:10.3390/molecules18032646
Received: 13 December 2012; in revised form: 21 February 2013 / Accepted: 21 February 2013 / Published: 27 February 2013
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by ,  and
Molecules 2012, 17(12), 14393-14408; doi:10.3390/molecules171214393
Received: 25 October 2012; in revised form: 30 November 2012 / Accepted: 3 December 2012 / Published: 5 December 2012
Show/Hide Abstract | PDF Full-text (821 KB)

Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Type of Paper: Review
Tentative Title: Supercritical Fluid Extraction of Plant Flavors and Fragrances
Authors: Andrea Occhipinti, Andrea Capuzzo and Massimo E. Maffe
Affiliation: Department of Life Sciences and Systems Biology, University of Turin, Via Quarello 11/A, 10135 Turin, Italy
Abstract: Supercritical fluid extraction (SFE) of plant material with gases like CO2, propane, butane, or ethylene is a topic of growing interest. SFE allows the processing of plant material at low temperatures, hence limiting thermal degradation, and avoids the use of toxic solvents. The published articles on the usage of SFE mostly for pharmaceutical and food processing accounts for about 45% of the specific scientific literature, the remaining percentage being made by articles dealing with extractions with solvents (about 20%), microwave assisted extraction (MAE, about 10%), ultrasound-assisted extraction (UAE, about 10%) and other extraction techniques which are not yet used for industrial applications in large scale (about 10%). Although today SFE is mainly used for decaffeination of coffee and tea as well as production of hop extracts on large scale, there is a growing interest on this extraction method also for other industrial applications operating at different scales. This review describes the SFE technology at both industrial and laboratory scales and gives an overview of its potential in the flavors and fragrances arena.

Type of Paper: Article
Title:
Production of Flavours and Fragrances via Bioreduction of Cyclic Ketones and Aldehydes by Non-Conventional Yeast Whole-Cells
Authors:
M. Goretti 1, B. Turchetti 1, M. R. Cramarossa 2, L. Forti 2 and P. Buzzini 1
Affiliation:
1 Department of Applied Biology & Industrial Yeasts Collection DBVPG, University of Perugia, Italy
2
Department of Life Sciences, University of Modena & Reggio Emilia, Italy
Abstract:
As a part of a program aiming at the selection of yeast strains which might be of interest as sources of natural flavouring molecules, the production of flavours and fragrances via bioreduction of α-β unsaturated cyclic ketones [(4R)-()-carvone] and aldehydes [(1R)()-myrtenal] by non-conventional yeasts (NCYs), belonging to the genera Candida, Cryptococcus, Debaryomyces, Hanseniaspora, Kazachstania, Kluyveromyces, Lindnera, Nakaseomyces, Vanderwaltozyma, and Wickerhamomyces, isolated from the environment was investigated. Volatiles produced were sampled by means of headspace solid-phase microextraction (SPME) and the compounds were analysed and identified by gas chromatography–mass spectroscopy (GC–MS). Yields (expressed as % of biotransformation) varied in dependence of the strain. The reduction of both (4S)()-carvone and R)()-myrtenal were catalyzed by some enoate reductases and/or carbonyl reductases, which determined the formation of (1R,4R)-dihydrocarvone and [(1R)()-myrtenol respectively, as main flavouring products. The potential of NCYs as whole-cell biocatalysts for selective biotransformation of electron-poor alkenes for producing flavours and fragrances of industrial interest is discussed.

Type of Paper: Article
Title: Electrochemical Oxidation of Fragrances 4-Allylbenzences and 4-Propenylbenzences on the Platinum and Carbon Paste Electrodes: A Comparative Account
Authors: Lai-Hao Wang*, Yi-Chun,Hu
Affiliation: Department of Medical Chemistry, Chia Nan University of Pharmacy and Science, 60 Erh-Jen Road, Section 1, Jen Te, Tainan 71743, Taiwan.
Abstract: The electrochemical oxidation behaviors of 4-allylbenzences (estragole and safrole) and 4-propenylbenzences (anethole and asarone) on platinum and carbon paste electrodes were investigated in a Britton-Robinson buffer (pH 1.93 -6.42), acetate buffer, phosphate buffer solutions (pH 2.08) and methanol or acetonitrile containing various supporting electrolytes. Their oxidation potential with Hammett (free-energy relationships) and possible mechanisms were discussed.

Last update: 21 February 2013

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