© John Wiley & Sons Ltd
Editor-in-Chief: Satyajit D. Sarker
Impact Factor: 2.497
ISI Journal Citation Reports © Ranking: 2015: 25/75 (Chemistry Analytical); 37/77 (BIOCHEMICAL RESEARCH METHODS); 49/209 (Plant Sciences)
Online ISSN: 1099-1565
Many Congratulations to Award Winners
Congratulations to Andy J. Pérez, Institute of Soil Science and Plant Cultivation, State Research Institute, Poland and Jan Šimura, Palacký University of Olomouc, Czech Republic on winning the PCA best oral presentation awards at the 2016 Trends in Natural Products Research conference, and to Yaroslav Faletrov, Belarusian State University, Belarus on winning the PCA best oral presentation award at the 23rd Conference on Isoprenoids in Minsk.
Recently Published Articles
- HPTLC Bioautography Guided Isolation of α-Glucosidase Inhibiting Compounds from Justicia secunda Vahl (Acanthaceae)
Barbara A. Theiler, Stefanie Istvanits, Martin Zehl, Laurence Marcourt, Ernst Urban, Lugardo O. Espinoza Caisa and Sabine Glasl
Version of Record online: 2 DEC 2016 | DOI: 10.1002/pca.2651
Extracts from the leaves of Justicia secunda Vahl (Acanthaceae) and fractions thereof were evaluated in terms of α-glucosidase inhibition performing HPTLC bioautography. Two active compounds were isolated via preparative HPTLC and semipreparative HPLC. Their identification and structure elucidation was achieved employing HPLC-ESI-MSn, HRESI-MS, and extensive NMR analyses, revealing the novel 2-caffeoyloxy-4-hydroxy-glutaric acid and the diastereomeric mixture of secundarellone B and C. This study presenting the α-glucosidase inhibiting potential of J. secunda supports its traditional medicinal use in diabetes mellitus treatment.
- Capillary Electrophoresis as Tool for Diastereomeric Separation in a Trichilia catigua Fraction
Ana Luiza Sereia, Renata Longhini, Gisely Cristiny Lopes and João Carlos Palazzo de Mello
Version of Record online: 2 DEC 2016 | DOI: 10.1002/pca.2653
The tree Trichilia catigua shows several biological activities and has emerged as a potential source of new drugs. A methodology using CE-UV was developed and validated for analyzing ethyl-acetate fraction (EAF) of T. catigua. The method proved to be simple, sensitive, accurate, linear, precise and reproducible. When compared to the HPLC-PDA method previously developed, the CE method was more efficient, faster, less expensive and less polluting. This method could be employed for quality control of EAF of T. catigua.
- Separating and Identifying the Four Stereoisomers of Methyl Jasmonate by RP-HPLC and using Cyclodextrins in a Novel Way
Adrián Matencio, Mario J. Bermejo-Gimeno, Francisco García-Carmona and José Manuel López-Nicolás
Version of Record online: 2 DEC 2016 | DOI: 10.1002/pca.2654
In this work, the separation and identification of the four stereoisomers of methyl jasmonate (MeJA) was carried out obtaining the following ordination: (−)epiMeJA, (−)MeJA, (+)MeJA and (+)epiMeJA. This could be a first step for a cell culture elicitation improvement.
- Reverse Phase Compatible TLC-Bioautography for Detection of Tyrosinase Inhibitors
Paula García, I. Ayelen Ramallo and Ricardo L.E. Furlan
Version of Record online: 2 DEC 2016 | DOI: 10.1002/pca.2655
The first reverse phase-TLC bioautographic assay suitable for detection and identification of tyrosinase inhibitors in a complex matrix is described. The assay detected the reference inhibitor kojic acid at 0.03% (w/w) in a complex mixture. The analysis of the essential oil of Cinnamomum cassia (Nees & T.Nees) J. Presl showed inhibition provoked by cinnamaldehyde, a reported tyrosinase inhibitor.
- HPLC-UV and LC–MS Analyses of Acylquinic Acids in Geigeria alata (DC) Oliv. & Hiern. and their Contribution to Antioxidant and Antimicrobial Capacity
Dimitrina Zheleva-Dimitrova, Reneta Gevrenova, Maya M. Zaharieva, Hristo Najdenski, Silviya Ruseva, Valentin Lozanov, Vessela Balabanova, Sakina Yagi, Georgi Momekov and Vanio Mitev
Version of Record online: 1 DEC 2016 | DOI: 10.1002/pca.2658