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Determination of growing location of marjoram (Origanum majorana L.) samples by comparison of essential oil profiles

Identifieur interne : 000A26 ( Main/Exploration ); précédent : 000A25; suivant : 000A27

Determination of growing location of marjoram (Origanum majorana L.) samples by comparison of essential oil profiles

Auteurs : Johannes Novak [Autriche] ; Friedrich Pank [Allemagne] ; Jan Langbehn [Allemagne] ; Wolf-Dieter Blüthner [Allemagne] ; Carla Vender [Italie] ; Léon Van Niekerk [France] ; Wolfram Junghanns [Allemagne] ; Chlodwig Franz [Autriche]

Source :

RBID : ISTEX:CDBB3A0BD8A47A4E1E4B2AFCB8111F11BA3C3BD8

English descriptors

Abstract

A canonical discriminant function analysis (CDA) was applied to essential oil compounds profiles to determine the growing location of marjoram samples. 12/21 essential oil compounds were integrated into two discriminant functions as the best predictors for geographical differences. Stepwise integration allowed the determination of the essential oil compounds mainly responsible for the geographical variation, viz. myrcene, terpinene‐4‐ol, γ‐terpinene and p‐cymene. The two discriminant functions themselves showed a strong association between the locations and the predictors. The two functions allowed a correct classification of 95% of samples (cross‐validated). The high positive classification rate demonstrates the CDA's ability as a quality assurance tool enabling authenticity control. Copyright © 2004 John Wiley & Sons, Ltd.

Url:
DOI: 10.1002/ffj.1303


Affiliations:


Links toward previous steps (curation, corpus...)


Le document en format XML

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