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[PMID]:28764091
[Au] Autor:Comunian TA; Chaves IE; Thomazini M; Moraes ICF; Ferro-Furtado R; de Castro IA; Favaro-Trindade CS
[Ad] Endereço:University of São Paulo, College of Animal Science and Food Engineering, Av. Duque de Caxias Norte, 225, CP 23, CEP 13535 900 Pirassununga, SP, Brazil.
[Ti] Título:Development of functional yogurt containing free and encapsulated echium oil, phytosterol and sinapic acid.
[So] Source:Food Chem;237:948-956, 2017 Dec 15.
[Is] ISSN:0308-8146
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:The consumption of omega-3 fatty acids and phytosterol promotes the reduction of cholesterol and triacylglycerol levels. However, such compounds are susceptible to oxidation, which hampers their application. The objective of this work was to coencapsulate echium oil, phytosterols and sinapic acid (crosslinker/antioxidant), and incorporate the obtained microcapsules into yogurt. The microcapsules were evaluated for particle size, accelerated oxidation by Rancimat, and simulation of gastric/intestinal release. The yogurts were assessed for morphology, pH, titratable acidity, color, rheology and sensory analysis. The microcapsules (13-42µm) promoted protection against oil oxidation (induction time of 54.96h). The yogurt containing microcapsules, presented a pH range from 3.89 to 4.17 and titratable acidity range from 0.798 to 0.826%, with good sensorial acceptance. It was possible to apply the microcapsules in yogurt, without compromising the rheological properties and physicochemical stability of the product.
[Mh] Termos MeSH primário: Iogurte
[Mh] Termos MeSH secundário: Ácidos Cumáricos
Echium
Ácidos Graxos Ômega-3
Seres Humanos
Fitosteróis
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Coumaric Acids); 0 (Fatty Acids, Omega-3); 0 (Phytosterols); 68A28V6010 (sinapinic acid)
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171116
[Lr] Data última revisão:
171116
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170803
[St] Status:MEDLINE


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[PMID]:28633108
[Au] Autor:Durán AG; Gutiérrez MT; Rial C; Torres A; Varela RM; Valdivia MM; Molinillo JMG; Skoneczny D; Weston LA; Macías FA
[Ad] Endereço:Allelopathy Group, Department of Organic Chemistry, Institute of Biomolecules (INBIO), Campus de Excelencia Internacional (ceiA3), School of Science, University of Cadiz, C/ República Saharaui, 7, 11510 Puerto Real, Cadiz, Spain.
[Ti] Título:Bioactivity and quantitative analysis of isohexenylnaphthazarins in root periderm of two Echium spp.: E. plantagineum and E. gaditanum.
[So] Source:Phytochemistry;141:162-170, 2017 Sep.
[Is] ISSN:1873-3700
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Isohexenylnaphthazarins are commonly found in the root periderm of several Boraginaceous plants and are known for their broad range of biological activities. The work described herein concerns the biological activity of compounds from the roots of Echium plantagineum L. and Echium gaditanum Boiss (Boraginaceae) collected from field sites in southern Spain and Australia. Bioactivity was assessed using etiolated wheat coleoptile bioassay and in vitro growth inhibitory activity in HeLa and IGROV-1 cells. The quantification of four isohexenylnaphthazarins (shikonin/alkannin, deoxyshikonin/deoxyalkannin, acetylshikonin/acetylalkannin and dimethylacrylshikonin/dimethylacrylalkannin) was performed by LC-MS/MS using juglone as internal standard. Correlation coefficient values for the activities and concentrations of these four analytes were in the linear range and were greater than 0.99. Acetylshikonin/acetylalkannin and dimethylacrylshikonin/dimethylacrylalkannin were present in the highest concentrations in extracts of both species. The results reveal that greatest overall inhibition was observed in both bioassays with E. gaditanum extracts. Strong correlations between time of collection, sampling location and bioactivity were identified.
[Mh] Termos MeSH primário: Echium/química
Naftoquinonas/química
Raízes de Plantas/química
[Mh] Termos MeSH secundário: Austrália
Linhagem Celular Tumoral
Sobrevivência Celular
Echium/classificação
Seres Humanos
Naftoquinonas/isolamento & purificação
Extratos Vegetais/química
Espanha
Triticum/efeitos dos fármacos
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Naphthoquinones); 0 (Plant Extracts); 0 (isohexenylnaphthazarin); 075CRZ9995 (alkannin); 3IK6592UBW (shikonin); 43043-74-9 (deoxyshikonin)
[Em] Mês de entrada:1707
[Cu] Atualização por classe:170721
[Lr] Data última revisão:
170721
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170621
[St] Status:MEDLINE


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[PMID]:28573232
[Au] Autor:Shahat AA; Mahmoud EA; Al-Mishari AA; Alsaid MS
[Ad] Endereço:Pharmacognosy Department, College of Pharmacy, King Saud University P.O. Box 2457, Riyadh 11451.
[Ti] Título:ANTIMICROBIAL ACTIVITIES OF SOME SAUDI ARABIAN HERBAL PLANTS.
[So] Source:Afr J Tradit Complement Altern Med;14(2):161-165, 2017.
[Is] ISSN:2505-0044
[Cp] País de publicação:Nigeria
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Several edible plants are used in Kingdom of Saudi Arabia since early time to control microbial infections. In the present study, twenty-four Saudi Arabian medicinal plants d according to traditionally used were select and investigated for the antimicrobial activities. MATERIALS AND METHODS: This study was designed at evaluating the antimicrobial activities of the methanol extracts of twenty-four species of sixteen plant families used in the traditional medicine by Saudi Arabian people for the treatment of numerous ailments of the microbial and non-microbial origin against four Gram-positive, four Gram-negative bacteria and four fungi and yeast using the agar well diffusion method. RESULTS: Of most of the plants tested were found to be active against two to eight organisms. Five plants were active against eight organisms. The data appeared that extracts of (SY-176), (SY- (SY-181), (SY-188), (SY-197) and (SY-198) have anti-microbial activity against the most of tested bacteria, fungi and yeast. Whereas (SY-, the extracts of (SY-175), (SY-187), and (SY-195) have poor action against the tested bacteria, fungi and yeast. CONCLUSION: The antimicrobial activity of plant extracts against bacteria was more effective than against fungi.
[Mh] Termos MeSH primário: Antibacterianos/farmacologia
Antifúngicos/farmacologia
Bactérias/efeitos dos fármacos
Fungos/efeitos dos fármacos
Magnoliopsida
Extratos Vegetais/farmacologia
Plantas Medicinais
[Mh] Termos MeSH secundário: Artemisia
Bactérias/crescimento & desenvolvimento
Echium
Fungos/crescimento & desenvolvimento
Testes de Sensibilidade Microbiana
Resedaceae
Rumex
Arábia Saudita
Ziziphus
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Anti-Bacterial Agents); 0 (Antifungal Agents); 0 (Plant Extracts)
[Em] Mês de entrada:1708
[Cu] Atualização por classe:171116
[Lr] Data última revisão:
171116
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170603
[St] Status:MEDLINE
[do] DOI:10.21010/ajtcam.v14i2.17


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[PMID]:28530557
[Au] Autor:Comunian TA; Ravanfar R; de Castro IA; Dando R; Favaro-Trindade CS; Abbaspourrad A
[Ad] Endereço:Department of Food Science, College of Agriculture & Life Sciences, Stocking Hall, Cornell University, NY, USA; University of São Paulo, College of Animal Science and Food Engineering, Av. Duque de Caxias Norte, 225, CP 23, CEP 13535 900 Pirassununga, SP, Brazil.
[Ti] Título:Improving oxidative stability of echium oil emulsions fabricated by Microfluidics: Effect of ionic gelation and phenolic compounds.
[So] Source:Food Chem;233:125-134, 2017 Oct 15.
[Is] ISSN:0308-8146
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Echium oil is rich in omega-3 fatty acids, which are important because of their benefits to human health; it is, however, unstable. The objective of this work was the coencapsulation of echium oil and quercetin or sinapic acid by microfluidic and ionic gelation techniques. The treatments were analyzed utilizing optical and scanning electron microscopy, encapsulation yield, particle size, thermogravimetry, Fourier transform infrared spectroscopy, stability under stress conditions, and oil oxidative/phenolic compound stability for 30days at 40°C. High encapsulation yield values were obtained (91-97% and 77-90% for the phenolic compounds and oil) and the encapsulated oil was almost seven times more stable than the non-encapsulated oil (0.34 vs 2.42mgMDA/kg oil for encapsulated and non-encapsulated oil, respectively). Encapsulation was shown to promote oxidative stability, allowing new vehicles for the application of these compounds in food without the use of solvents and high temperature.
[Mh] Termos MeSH primário: Echium
[Mh] Termos MeSH secundário: Emulsões
Ácidos Graxos Ômega-3
Microfluídica
Fenóis
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Emulsions); 0 (Fatty Acids, Omega-3); 0 (Phenols)
[Em] Mês de entrada:1708
[Cu] Atualização por classe:170811
[Lr] Data última revisão:
170811
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170523
[St] Status:MEDLINE


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[PMID]:28414764
[Au] Autor:Václavík T; Beckmann M; Cord AF; Bindewald AM
[Ad] Endereço:UFZ-Helmholtz Centre for Environmental Research, Department of Computational Landscape Ecology, Leipzig, Germany.
[Ti] Título:Effects of UV-B radiation on leaf hair traits of invasive plants-Combining historical herbarium records with novel remote sensing data.
[So] Source:PLoS One;12(4):e0175671, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Ultraviolet-B (UV-B) radiation is a key but under-researched environmental factor that initiates diverse responses in plants, potentially affecting their distribution. To date, only a few macroecological studies have examined adaptations of plant species to different levels of UV-B. Here, we combined herbarium specimens of Hieracium pilosella L. and Echium vulgare L. with a novel UV-B dataset to examine differences in leaf hair traits between the plants' native and alien ranges. We analysed scans of 336 herbarium specimens using standardized measurements of leaf area, hair density (both species) and hair length (H. pilosella only). While accounting for other bioclimatic variables (i.e. temperature, precipitation) and effects of herbivory, we examined whether UV-B exposure explains the variability and geographical distribution of these traits in the native (Northern Hemisphere) vs. the alien (Southern Hemisphere) range. UV-B explained the largest proportion of the variability and geographical distribution of hair length in H. pilosella (relative influence 67.1%), and hair density in E. vulgare (66.2%). Corresponding with higher UV-B, foliar hairs were 25% longer for H. pilosella and 25% denser for E. vulgare in records from the Southern as compared to those from the Northern Hemisphere. However, focusing on each hemisphere separately or controlling for its effect in a regression analysis, we found no apparent influence of UV-B radiation on hair traits. Thus, our findings did not confirm previous experimental studies which suggested that foliar hairs may respond to higher UV-B intensities, presumably offering protection against detrimental levels of radiation. We cannot rule out UV-B radiation as a possible driver because UV-B radiation was the only considered variable that differed substantially between the hemispheres, while bioclimatic conditions (e.g. temperature, precipitation) and other considered variables (herbivory damage, collection date) were at similar levels. However, given that either non-significant or inconclusive relationships were detected within hemispheres, alternative explanations of the differences in foliar hairs are more likely, including the effects of environment, genotypes or herbivory.
[Mh] Termos MeSH primário: Folhas de Planta/efeitos da radiação
[Mh] Termos MeSH secundário: Asteraceae/anatomia & histologia
Asteraceae/efeitos da radiação
Clima
Echium/anatomia & histologia
Echium/efeitos da radiação
Ecossistema
Espécies Introduzidas
Folhas de Planta/anatomia & histologia
Tecnologia de Sensoriamento Remoto
Raios Ultravioleta
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1705
[Cu] Atualização por classe:170509
[Lr] Data última revisão:
170509
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170418
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0175671


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[PMID]:28230806
[Au] Autor:Skoneczny D; Weston PA; Zhu X; Gurr GM; Callaway RM; Barrow RA; Weston LA
[Ad] Endereço:Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW 2678, Australia. dskoneczny@csu.edu.au.
[Ti] Título:Metabolic Profiling and Identification of Shikonins in Root Periderm of Two Invasive Echium spp. Weeds in Australia.
[So] Source:Molecules;22(2), 2017 Feb 21.
[Is] ISSN:1420-3049
[Cp] País de publicação:Switzerland
[La] Idioma:eng
[Ab] Resumo:Metabolic profiling can be successfully implemented to analyse a living system's response to environmental conditions by providing critical information on an organism's physiological state at a particular point in time and allowing for both quantitative and qualitative assessment of a specific subset(s) of key metabolites. Shikonins are highly reactive chemicals that affect various cell signalling pathways and possess antifungal, antibacterial and allelopathic activity. Based on previous bioassay results, bioactive shikonins, are likely to play important roles in the regulation of rhizosphere interactions with neighbouring plants, microbes and herbivores. An effective platform allowing for rapid identification and accurate profiling of numerous structurally similar, difficult-to-separate bioactive isohexenylnaphthazarins (shikonins) was developed using UHPLC Q-TOF MS. Root periderm tissues of the invasive Australian weeds and its congener were extracted overnight in ethanol for shikonin profiling. Shikonin production was evaluated at seedling, rosette and flowering stages. Five populations of each species were compared for qualitative and quantitative differences in shikonin formation. Each species showed little populational variation in qualitative shikonin production; however, shikonin was considerably low in one population of from Western New South Wales Seedlings of all populations produced the bioactive metabolite acetylshikonin and production was upregulated over time. Mature plants of both species produced significantly higher total levels of shikonins and isovalerylshikonin > dimethylacrylshikonin > shikonin > acetylshikonin in mature . Although qualitative metabolic profiles in both spp. were nearly identical, shikonin abundance in mature plant periderm was approximately 2.5 times higher in perennial extracts in comparison to those of the annual These findings contribute to our understanding of the biosynthesis of shikonins in roots of two related invasive plants and their expression in relation to plant phenological stage.
[Mh] Termos MeSH primário: Echium/química
Metaboloma
Metabolômica
Naftoquinonas/química
Raízes de Plantas/química
Plantas Daninhas/química
[Mh] Termos MeSH secundário: Austrália
Cromatografia Líquida de Alta Pressão
Metabolômica/métodos
Estrutura Molecular
Extratos Vegetais/química
Espectrometria de Massas por Ionização e Dessorção a Laser Assistida por Matriz
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Naphthoquinones); 0 (Plant Extracts); 3IK6592UBW (shikonin)
[Em] Mês de entrada:1705
[Cu] Atualização por classe:170509
[Lr] Data última revisão:
170509
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170224
[St] Status:MEDLINE


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[PMID]:27855956
[Au] Autor:Dresler S; Rutkowska E; Bednarek W; Stanislawski G; Kubrak T; Bogucka-Kocka A; Wójcik M
[Ad] Endereço:Department of Plant Physiology, Maria Curie-Sklodowska University, Akademicka 19, 20-033 Lublin, Poland. Electronic address: slawomir.dresler@poczta.umcs.lublin.pl.
[Ti] Título:Selected secondary metabolites in Echium vulgare L. populations from nonmetalliferous and metalliferous areas.
[So] Source:Phytochemistry;133:4-14, 2017 Jan.
[Is] ISSN:1873-3700
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:The aim of this study was to evaluate the effect of severe environmental conditions prevailing on metalliferous waste heaps and heavy metal-contaminated growth substrates on accumulation of selected secondary metabolites, antioxidant capacity, and heavy metal concentration in two metallicolous (MC, MZ) and one nonmetallicolous (NM) populations of Echium vulgare L. The shoots and the roots of the three studied populations were collected from their natural habitats. Additionally, the plants were cultivated on different growth substrates, i.e. a contaminated substrate obtained from the areas of growth of the MZ and MC populations and an uncontaminated one from the NM population site. Several compounds, i.e. allantoin, rutin, rosmarinic acid, chlorogenic acid, and 4-hydroxybenzoic acid were identified in the shoots. Moreover, rosmarinic acid, allantoin, and shikonin were measured in the roots. The adverse environmental conditions contributed to a ca. 10- and 4-fold increase in the concentration of allantoin in the roots and shoots, respectively, as well as a ca. 4-fold and ca. 3-fold increase in the level of 4-hydroxybenzoic acid and shikonin, respectively, in comparison with the plants from the uncontaminated site. Similarly, a great impact of the contaminated substrate on the compounds was demonstrated in the soil experiment. Regardless of the populations, even ca. 20-fold higher levels of allantoin and shikonin were observed in plants grown on the MC and MZ substrates. In contrast, the chlorogenic acid concentration was lower in plants collected from the metalliferous areas and in all populations cultivated on the contaminated substrates in comparison with plants from the uncontaminated soil. Unambiguous results were obtained in the case of rutin, i.e. decreased accumulation in both metallicolous populations from the natural environment and increased accumulation in plants grown on the contaminated substrates. The high concentrations of heavy metals in the substrates contributed to high HM concentrations in plant tissues. However, some differences were observed between the metallicolous and nonmetallicolous populations - the accumulation of metals was lower in the shoots and higher in the roots of the NM population, compared with the MZ and MC populations.
[Mh] Termos MeSH primário: Antioxidantes/farmacologia
Echium/química
Metais Pesados/análise
[Mh] Termos MeSH secundário: Antioxidantes/química
Biodegradação Ambiental
Compostos de Bifenilo/farmacologia
Cádmio/análise
Ferro/análise
Chumbo/análise
Estrutura Molecular
Ressonância Magnética Nuclear Biomolecular
Parabenos/química
Picratos/farmacologia
Raízes de Plantas/química
Solo/química
Poluentes do Solo/metabolismo
Distribuição Tecidual
Zinco/análise
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Antioxidants); 0 (Biphenyl Compounds); 0 (Metals, Heavy); 0 (Parabens); 0 (Picrates); 0 (Soil); 0 (Soil Pollutants); 00BH33GNGH (Cadmium); 2P299V784P (Lead); DFD3H4VGDH (1,1-diphenyl-2-picrylhydrazyl); E1UOL152H7 (Iron); J41CSQ7QDS (Zinc); JG8Z55Y12H (4-hydroxybenzoic acid)
[Em] Mês de entrada:1703
[Cu] Atualização por classe:171116
[Lr] Data última revisão:
171116
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:161119
[St] Status:MEDLINE


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[PMID]:27748125
[Au] Autor:Benamar H; Tomassini L; Venditti A; Marouf A; Bennaceur M; Serafini M; Nicoletti M
[Ad] Endereço:a Faculty of Natural Sciences and Life, Laboratory of Biochemistry and Natural Products, Department of Biology , University of Oran 1 Ahmed Benbella , Oran , Algeria.
[Ti] Título:Acetylcholinesterase inhibitory activity of pyrrolizidine alkaloids from Echium confusum Coincy.
[So] Source:Nat Prod Res;31(11):1277-1285, 2017 Jun.
[Is] ISSN:1478-6427
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Four pyrrolizidine alkaloids, namely 7-O-angeloyllycopsamine N-oxide 1, echimidine N-oxide 2, echimidine 3 and 7-O-angeloylretronecine 4, were isolated for the first time from the whole plant ethanolic extract of Echium confusum Coincy, through bioassay-guided approach. Their structures were determined by spectroscopic means. All the isolates compounds showed moderate activities in inhibiting AChE, with IC50 0.276-0.769.
[Mh] Termos MeSH primário: Acetilcolinesterase/efeitos dos fármacos
Echium/química
Alcaloides de Pirrolizidina/farmacologia
[Mh] Termos MeSH secundário: Inibidores Enzimáticos/isolamento & purificação
Inibidores Enzimáticos/farmacologia
Etanol
Concentração Inibidora 50
Estrutura Molecular
Extratos Vegetais/química
Extratos Vegetais/farmacologia
Alcaloides de Pirrolizidina/isolamento & purificação
Análise Espectral
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Enzyme Inhibitors); 0 (Plant Extracts); 0 (Pyrrolizidine Alkaloids); 3K9958V90M (Ethanol); EC 3.1.1.7 (Acetylcholinesterase)
[Em] Mês de entrada:1705
[Cu] Atualização por classe:170515
[Lr] Data última revisão:
170515
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:161018
[St] Status:MEDLINE
[do] DOI:10.1080/14786419.2016.1242000


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[PMID]:27741299
[Au] Autor:Bainbridge M; Kraft J
[Ad] Endereço:University of Vermont, Department of Animal and Veterinary Sciences, 570 Main Street, Burlington, VT 05405, United States of America.
[Ti] Título:Lipid Encapsulation Provides Insufficient Total-Tract Digestibility to Achieve an Optimal Transfer Efficiency of Fatty Acids to Milk Fat.
[So] Source:PLoS One;11(10):e0164700, 2016.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Transfer efficiencies of rumen-protected n-3 fatty acids (FA) to milk are low, thus we hypothesized that rumen-protection technologies allow for biohydrogenation and excretion of n-3 FA. The objectives of this study were to i) investigate the ruminal protection and post-ruminal release of the FA derived from the lipid-encapsulated echium oil (EEO), and ii) assess the bioavailability and metabolism of the EEO-derived FA through measuring the FA content in plasma lipid fractions, feces, and milk. The EEO was tested for rumen stability using the in situ nylon bag technique, then the apparent total-tract digestibility was assessed in vivo using six Holstein dairy cattle. Diets consisted of a control (no EEO); 1.5% of dry matter (DM) as EEO and 1.5% DM as encapsulation matrix; and 3% DM as EEO. The EEO was rumen-stable and had no effect on animal production. EEO-derived FA were incorporated into all plasma lipid fractions, with the highest proportion of n-3 FA observed in cholesterol esters. Fecal excretion of EEO-derived FA ranged from 7-14%. Biohydrogenation products increased in milk, plasma, and feces with EEO supplementation. In conclusion, lipid-encapsulation provides inadequate digestibility to achieve an optimal transfer efficiency of n-3 FA to milk.
[Mh] Termos MeSH primário: Ácidos Graxos/metabolismo
Leite/metabolismo
[Mh] Termos MeSH secundário: Ração Animal
Animais
Bovinos
Dieta/veterinária
Echium/metabolismo
Ácidos Graxos/análise
Ácidos Graxos/sangue
Fezes/química
Feminino
Trato Gastrointestinal/metabolismo
Leite/química
Óleos Vegetais/química
Rúmen/metabolismo
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Fatty Acids); 0 (Plant Oils)
[Em] Mês de entrada:1705
[Cu] Atualização por classe:170531
[Lr] Data última revisão:
170531
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:161015
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0164700


  10 / 100 MEDLINE  
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[PMID]:27438582
[Au] Autor:Dresler S; Kubrak T; Rutkowska E; Gagos M; Bogucka-Kocka A; Swieboda R; Wójcik M
[Ad] Endereço:Department of Plant Physiology, Maria Curie-Sklodowska University, Akademicka 19, 20-033, Lublin, Poland.
[Ti] Título:Comparison of Analytical Methods in Chemometric Fingerprinting of Metallicolous and Non-metallicolous Populations of Echium vulgare L.
[So] Source:Phytochem Anal;27(5):239-48, 2016 Sep.
[Is] ISSN:1099-1565
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:INTRODUCTION: Adverse environmental conditions usually change plant biochemical pathways resulting in accumulation or decreased content of both primary and secondary metabolites. The chemometric fingerprinting analysis proves to be a useful tool to reveal phytochemical differentiation between plants inhabiting heavy metal-contaminated and uncontaminated areas. OBJECTIVE: Development and assessment of four analytical techniques - high performance capillary electrophoresis (HPCE), thin-layer chromatography (TLC), mass spectrometry (MS), and Fourier transform infrared (FTIR) spectroscopy in chemometric fingerprinting of metallicolous and non-metallicolous populations of Echium vulgare L. MATERIAL AND METHODS: Twenty-one crude methanol extracts of shoot samples representing three populations of Echium vulgare L., two originating from highly metal polluted areas and one from an unpolluted area, were investigated using four analytical methods: HPCE, TLC, MS, and FTIR spectroscopy. Data pre-processing (denoising, background subtracting, horizontal alignment) followed by principal component analysis (PCA), hierarchical clustering analysis (HCA), and phytochemical difference index (DI) calculations facilitated exploration of the differences and similarities between the populations. RESULTS: Clear phytochemical divergence between metallicolous and non-metallicolous populations of Echium vulgare was found. The suitability of the analytical techniques for revealing phytochemical markers and discrimination of individuals originating from different populations differed and in general increased in the order: TLC < MS = HPCE < FTIR. CONCLUSION: The chemometric methods applied were successful in discrimination between samples from polluted and unpolluted areas, showing a potential perspective for environmental quality control. Copyright © 2016 John Wiley & Sons, Ltd.
[Mh] Termos MeSH primário: Echium/metabolismo
Metais/metabolismo
[Mh] Termos MeSH secundário: Eletroforese Capilar
Espectrometria de Massas
Espectroscopia de Infravermelho com Transformada de Fourier
[Pt] Tipo de publicação:COMPARATIVE STUDY; JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Metals)
[Em] Mês de entrada:1702
[Cu] Atualização por classe:170227
[Lr] Data última revisão:
170227
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160721
[St] Status:MEDLINE
[do] DOI:10.1002/pca.2620



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