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Optimization of the formation of vinyldithiins, therapeutic compounds from garlic
DETHIER, Bérénice; Hanon, Emilien; Maayoufi, Said et al.
2013In European Food Research and Technology, 237 (1), p. 83-88
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Keywords :
garlic; vinyldithiins; nutraceutical; oil extraction
Abstract :
[en] Allyl sulfides, ajoenes and vinyldithiins are the three main groups of volatile organosulfur compounds that are formed when garlic is crushed. The manner garlic is processed (nature of the extraction medium, temperature…) has a major influence on their relative proportion and the amounts produced. It has been proven recently that the vinyldithiins are at the origin of garlic’s capacity to prevent adipocytes development. Their incorporation in garlic-based nutraceuticals is thus particularly interesting. In this context, this work aims to optimize the production of vinyldithiins from garlic. After having determined the best garlic origin (Spanish) and the best oil for the extraction (olive or sunflower oil), the extraction conditions were optimized (1/2 (w/w garlic oil), 37 °C, 6 h) and 133 mg of vinyldithiins was obtained from 100 g of fresh garlic. Carrying out the extraction under microwave irradiation allowed increasing the yield 3.6-fold (yield 486 mg of vinyldithiins from 100 g of fresh garlic). This study may also contribute to the development of new garlic derived high value products by enhancing the comprehension of their formation.
Disciplines :
Food science
Chemistry
Author, co-author :
DETHIER, Bérénice ;  Université de Liège - ULiège > Chimie et bio-industries > Chimie générale et organique
Hanon, Emilien
Maayoufi, Said
Nott, Katherine ;  Université de Liège - ULiège > Chimie et bio-industries > Chimie biologique industrielle
Fauconnier, Marie-Laure  ;  Université de Liège - ULiège > Chimie et bio-industries > Chimie générale et organique
Language :
English
Title :
Optimization of the formation of vinyldithiins, therapeutic compounds from garlic
Publication date :
July 2013
Journal title :
European Food Research and Technology
ISSN :
1438-2377
eISSN :
1438-2385
Publisher :
Springer Science & Business Media B.V.
Volume :
237
Issue :
1
Pages :
83-88
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 15 May 2013

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