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Phytologia (April 2011) 93(1) 51 CHEMOSYTEMATICS OF JUNIPERUS: EFFECTS OF LEAF
 

Summary: Phytologia (April 2011) 93(1) 51
CHEMOSYTEMATICS OF JUNIPERUS: EFFECTS OF LEAF
DRYING ON ESSENTIAL OIL COMPOSITION II
Robert P. Adams
Biology Department, Baylor University, Box 97388, Waco, TX
76798, USA
email Robert_Adams@baylor.edu
ABSTRACT
The essential oils of leaves of J. virginiana tree were collected
and analyzed as fresh vs. air dried and stored at ambient conditions (21
C) for up to 16 months before extraction. ANOVA of the 58
components revealed 4 significant and 19 highly significant differences
among the 8 sample sets, with the major changes occurring between 8
and 16 months storage. PCO of the samples showed the 16 mo.
samples to be clearly clustered. In contrast to the previous 8 mo. study
(Adams, 2010), unexpected changes in the oils raise concerns about
mixing analyses of oils from fresh, recently dried and 16 mo. stored
leaves of Juniperus for chemosystematic studies. Phytologia 93(1)51-
62 (April 1, 2011).
KEY WORDS: Juniperus, oils from dried leaves, storage tests,

  

Source: Adams, Robert P. - Department of Biology, Baylor University

 

Collections: Biology and Medicine