Thermoanalysis supported by principal component analysis (PCA) in quality assessment of essential oil samples

1992 ◽  
Vol 210 ◽  
pp. 151-162 ◽  
Author(s):  
Renata J. Ochocka ◽  
Marek Wesołowski ◽  
Henryk Lamparczyk
Keyword(s):  
Principal Component Analysis ◽  
Essential Oil ◽  
Quality Assessment ◽  
Principal Component ◽  
Component Analysis

scholarly journals Groundwater Quality Assessment: An Improved Approach to K-Means Clustering, Principal Component Analysis and Spatial Analysis: A Case Study

Water ◽  
2018 ◽  
Vol 10 (4) ◽  
pp. 437 ◽  
Author(s):  
Ana Marín Celestino ◽  
Diego Martínez Cruz ◽  
Elena Otazo Sánchez ◽  
Francisco Gavi Reyes ◽  
David Vásquez Soto
Keyword(s):  
Principal Component Analysis ◽  
Spatial Analysis ◽  
Groundwater Quality ◽  
Quality Assessment ◽  
Principal Component ◽  
Component Analysis ◽  
Groundwater Quality Assessment

scholarly journals Chemotypes of Pistacia atlantica Leaf Essential Oils from Algeria

2010 ◽  
Vol 5 (1) ◽  
pp. 1934578X1000500 ◽  
Author(s):  
Nadhir Gourine ◽  
Isabelle Bombarda ◽  
Mohamed Yousfi ◽  
Emile M. Gaydou
Keyword(s):  
Principal Component Analysis ◽  
Essential Oil ◽  
Essential Oils ◽  
Principal Component ◽  
Component Analysis ◽  
Statistical Analyses ◽  
Pistacia Atlantica

The essential oils obtained by hydrodistillation of Pistacia atlantica Desf. leaves collected from different regions of Algeria were analyzed by GC and GC-MS. The essential oil was rich in monoterpenes and oxygenated sesquiterpenes. The major components were α-pinene (0.0-67%), δ-3-carene (0.0-56%), spathulenol (0.5-22%), camphene (0.0-21%), terpinen-4-ol (0.0-16%) and β-pinene (0.0-13%). Among the various components identified, twenty were used for statistical analyses. The result of principal component analysis (PCA) showed the occurrence of three chemotypes: a δ-3-carene chemotype (16.4-56.2%), a terpinen-4-ol chemotype (10.8-16.0%) and an α-pinene/camphene chemotype (10.9-66.6% / 3.8-20.9%). It was found that the essential oil from female plants (δ-3-carene chemotype) could be easily differentiated from the two other chemotypes corresponding to male trees.

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