FINGERPRINT ANALYSIS OF UNFRACTIONATED Piper PLANT EXTRACTS BY HPLC-UV-DAD COUPLED WITH CHEMOMETRIC METHODS

23 crude ethanolic extracts of Piper plants were analyzed by combining HPLC fingerprints and chemometric methods including principal component analysis (PCA), hierarchical clustering analysis (HCA) and parallel factor analysis (PARAFAC). All statistical analysis were carried out both with and withou...

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Autores principales:	BERNAL,FREDDY A, DELGADO,WILMAN A, CUCA,LUIS E
Lenguaje:	English
Publicado:	Sociedad Chilena de Química 2012
Materias:	Piper Piperaceae fingerprints HPLC chemometrics PCA pest control potential
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072012000300013
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spelling	oai:scielo:S0717-970720120003000132019-02-19FINGERPRINT ANALYSIS OF UNFRACTIONATED Piper PLANT EXTRACTS BY HPLC-UV-DAD COUPLED WITH CHEMOMETRIC METHODSBERNAL,FREDDY ADELGADO,WILMAN ACUCA,LUIS E Piper Piperaceae fingerprints HPLC chemometrics PCA pest control potential 23 crude ethanolic extracts of Piper plants were analyzed by combining HPLC fingerprints and chemometric methods including principal component analysis (PCA), hierarchical clustering analysis (HCA) and parallel factor analysis (PARAFAC). All statistical analysis were carried out both with and without previous preprocessing by counting with alignment of the fingerprints by correlation optimized warping (COW) and several normalization methods. Normalization processes of autoscaling, range scaling and vast scaling resulted to be the better offering the most relevant information. Both direct two-way methods (PCA and HCA) and HCA after data minimization employing a three-way method (PARAFAC) were demonstrated to be useful in the establishment of chemical composition relationships among Piper samples, and resulting in agreement with phylogenic relationships previously reported in literature to some Piper species.info:eu-repo/semantics/openAccessSociedad Chilena de QuímicaJournal of the Chilean Chemical Society v.57 n.3 20122012-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072012000300013en10.4067/S0717-97072012000300013
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Piper Piperaceae fingerprints HPLC chemometrics PCA pest control potential
spellingShingle	Piper Piperaceae fingerprints HPLC chemometrics PCA pest control potential BERNAL,FREDDY A DELGADO,WILMAN A CUCA,LUIS E FINGERPRINT ANALYSIS OF UNFRACTIONATED Piper PLANT EXTRACTS BY HPLC-UV-DAD COUPLED WITH CHEMOMETRIC METHODS
description	23 crude ethanolic extracts of Piper plants were analyzed by combining HPLC fingerprints and chemometric methods including principal component analysis (PCA), hierarchical clustering analysis (HCA) and parallel factor analysis (PARAFAC). All statistical analysis were carried out both with and without previous preprocessing by counting with alignment of the fingerprints by correlation optimized warping (COW) and several normalization methods. Normalization processes of autoscaling, range scaling and vast scaling resulted to be the better offering the most relevant information. Both direct two-way methods (PCA and HCA) and HCA after data minimization employing a three-way method (PARAFAC) were demonstrated to be useful in the establishment of chemical composition relationships among Piper samples, and resulting in agreement with phylogenic relationships previously reported in literature to some Piper species.
author	BERNAL,FREDDY A DELGADO,WILMAN A CUCA,LUIS E
author_facet	BERNAL,FREDDY A DELGADO,WILMAN A CUCA,LUIS E
author_sort	BERNAL,FREDDY A
title	FINGERPRINT ANALYSIS OF UNFRACTIONATED Piper PLANT EXTRACTS BY HPLC-UV-DAD COUPLED WITH CHEMOMETRIC METHODS
title_short	FINGERPRINT ANALYSIS OF UNFRACTIONATED Piper PLANT EXTRACTS BY HPLC-UV-DAD COUPLED WITH CHEMOMETRIC METHODS
title_full	FINGERPRINT ANALYSIS OF UNFRACTIONATED Piper PLANT EXTRACTS BY HPLC-UV-DAD COUPLED WITH CHEMOMETRIC METHODS
title_fullStr	FINGERPRINT ANALYSIS OF UNFRACTIONATED Piper PLANT EXTRACTS BY HPLC-UV-DAD COUPLED WITH CHEMOMETRIC METHODS
title_full_unstemmed	FINGERPRINT ANALYSIS OF UNFRACTIONATED Piper PLANT EXTRACTS BY HPLC-UV-DAD COUPLED WITH CHEMOMETRIC METHODS
title_sort	fingerprint analysis of unfractionated piper plant extracts by hplc-uv-dad coupled with chemometric methods
publisher	Sociedad Chilena de Química
publishDate	2012
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072012000300013
work_keys_str_mv	AT bernalfreddya fingerprintanalysisofunfractionatedpiperplantextractsbyhplcuvdadcoupledwithchemometricmethods AT delgadowilmana fingerprintanalysisofunfractionatedpiperplantextractsbyhplcuvdadcoupledwithchemometricmethods AT cucaluise fingerprintanalysisofunfractionatedpiperplantextractsbyhplcuvdadcoupledwithchemometricmethods
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FINGERPRINT ANALYSIS OF UNFRACTIONATED Piper PLANT EXTRACTS BY HPLC-UV-DAD COUPLED WITH CHEMOMETRIC METHODS

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