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  1 / 1675 MEDLINE  
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[PMID]:28658976
[Au] Autor:Haddar W; Ben Ticha M; Meksi N; Guesmi A
[Ad] Endereço:a Faculté des Sciences , Université de Monastir, Unité Chimie Appliquée - Environnement UR13ES63 , Monastir , Tunisia.
[Ti] Título:Application of anthocyanins as natural dye extracted from Brassica oleracea L. var. capitata f. rubra: dyeing studies of wool and silk  fibres.
[So] Source:Nat Prod Res;32(2):141-148, 2018 Jan.
[Is] ISSN:1478-6427
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Brassica oleracea L. var. capitata f. rubra (Red Cabbage) dye is composed mainly of natural pigment called anthocyanins used as a natural colourant. Wool and silk fibres were dyed with the aqueous extract obtained from red cabbage. The dyeing process was investigated and the combined effects of dyeing conditions on the colour yield parameter (K/S) were studied. Resulted fastness to wash, rubbing and light of the dyed fabrics were evaluated. Chemical Oxygen Demand (COD) and Biological Oxygen Demand (BOD of the residual effluent were measured. Best dyeing conditions were found to be: 50 g/100 mL, pH 2, 60 min and 100 °C, respectively, for the red cabbage weight, pH, dyeing duration and temperature. Good fastnesses properties were found in both cases: for wool and silk fabrics. It was found also that the calculated biodegradability ratio (COD/BOD ) of the residual bath of dyeing wool and silk with red cabbage extract are lower than 1.5 which means that these baths are biodegradable.
[Mh] Termos MeSH primário: Antocianinas/química
Brassica/química
Corantes/isolamento & purificação
Seda

[Mh] Termos MeSH secundário: Animais
Antocianinas/isolamento & purificação
Biodegradação Ambiental
Análise da Demanda Biológica de Oxigênio
Corantes/química
Temperatura Ambiente
Têxteis
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Anthocyanins); 0 (Coloring Agents); 0 (Silk)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180228
[Lr] Data última revisão:
180228
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170630
[St] Status:MEDLINE
[do] DOI:10.1080/14786419.2017.1342080


  2 / 1675 MEDLINE  
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[PMID]:28945798
[Au] Autor:Piscitelli A; Tarallo V; Guarino L; Sannia G; Birolo L; Pezzella C
[Ad] Endereço:Dipartimento di Scienze Chimiche, Università degli Studi di Napoli Federico II, Napoli, Italy.
[Ti] Título:New lipases by mining of Pleurotus ostreatus genome.
[So] Source:PLoS One;12(9):e0185377, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:The analysis of Pleurotus ostreatus genome reveals the presence of automatically annotated 53 lipase and 34 carboxylesterase putative coding-genes. Since no biochemical or physiological data are available so far, a functional approach was applied to identify lipases from P. ostreatus. In the tested growth conditions, four lipases were found expressed, with different patterns depending on the used C source. Two of the four identified proteins (PleoLip241 and PleoLip369), expressed in both analysed conditions, were chosen for further studies, such as an in silico analysis and their molecular characterization. To overcome limits linked to native production, a recombinant expression approach in the yeast Pichia pastoris was applied. Different expression levels were obtained: PleoLip241 reached a maximum activity of 4000 U/L, whereas PleoLip369 reached a maximum activity of 700 U/L. Despite their sequence similarity, these enzymes exhibited different substrate specificity and diverse stability at pH, temperature, and presence of metals, detergents and organic solvents. The obtained data allowed classifying PleoLip241 as belonging to the "true lipase" family. Indeed, by phylogenetic analysis the two proteins fall in different clusters. PleoLip241 was used to remove the hydrophobic layer from wool surface in order to improve its dyeability. The encouraging results obtained with lipase treated wool led to forecast PleoLip241 applicability in this field.
[Mh] Termos MeSH primário: Proteínas Fúngicas/genética
Genoma Fúngico
Lipase/genética
Pleurotus/enzimologia
Pleurotus/genética
[Mh] Termos MeSH secundário: Animais
Carboxilesterase/química
Carboxilesterase/genética
Carboxilesterase/metabolismo
Domínio Catalítico
Corantes
Mineração de Dados
Proteínas Fúngicas/química
Proteínas Fúngicas/metabolismo
Microbiologia Industrial
Cinética
Lipase/química
Lipase/metabolismo
Modelos Moleculares
Filogenia
Proteínas Recombinantes/química
Proteínas Recombinantes/genética
Proteínas Recombinantes/metabolismo
Especificidade por Substrato

[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Coloring Agents); 0 (Fungal Proteins); 0 (Recombinant Proteins); EC 3.1.1.1 (Carboxylesterase); EC 3.1.1.3 (Lipase)
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171016
[Lr] Data última revisão:
171016
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170926
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0185377


  3 / 1675 MEDLINE  
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[PMID]:28859143
[Au] Autor:Damps T; Laskowska AK; Kowalkowski T; Prokopowicz M; Puszko AK; Sosnowski P; Czuwara J; Konop M; Rózycki K; Borkowska JK; Misicka A; Rudnicka L
[Ad] Endereço:Department of Neuropeptides, Mossakowski Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland.
[Ti] Título:The effect of wool hydrolysates on squamous cell carcinoma cells in vitro. Possible implications for cancer treatment.
[So] Source:PLoS One;12(8):e0184034, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Squamous cell carcinoma of the skin is the second most common cutaneous malignancy. Despite various available treatment methods and advances in noninvasive diagnostic techniques, the incidence of metastatic cutaneous squamous cell carcinoma is rising. Deficiency in effective preventive or treatment methods of transformed keratinocytes leads to necessity of searching for new anticancer agents. The present study aims to evaluate the possibility of using wool hydrolysates as such agents. Commercially available compounds such as 5-fluorouracil, ingenol mebutate, diclofenac sodium salt were also used in this study. The process of wool degradation was based on chemical pre-activation and enzymatic digestion of wool. The effect of mentioned compounds on cell viability of squamous carcinoma cell line and healthy keratinocytes was evaluated. The obtained data show a significantly stronger effect of selected wool hydrolysates compared to commercial compounds (p<0.05) on viability of cells. The wool hydrolysates decreased squamous cell carcinoma cells viability by up to 67% comparing to untreated cells. These results indicate bioactive properties of wool hydrolysates, which affect the viability of squamous carcinoma cells and decrease their number. We hypothesize that these agents may be used topically for treatment of transformed keratinocytes in actinic keratosis and invasive squamous skin cancer in humans.
[Mh] Termos MeSH primário: Carcinoma de Células Escamosas/tratamento farmacológico
Hidrolisados de Proteína/química
Neoplasias Cutâneas/tratamento farmacológico
/química
[Mh] Termos MeSH secundário: Animais
Antineoplásicos/farmacologia
Carcinoma de Células Escamosas/patologia
Linhagem Celular Tumoral
Sobrevivência Celular/efeitos dos fármacos
Diclofenaco/farmacologia
Diterpenos/farmacologia
Fluoruracila/farmacologia
Seres Humanos
Queratinócitos/efeitos dos fármacos
Queratinócitos/patologia
Hidrolisados de Proteína/farmacologia
Neoplasias Cutâneas/patologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (3-ingenyl angelate); 0 (Antineoplastic Agents); 0 (Diterpenes); 0 (Protein Hydrolysates); 144O8QL0L1 (Diclofenac); U3P01618RT (Fluorouracil)
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171011
[Lr] Data última revisão:
171011
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170901
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0184034


  4 / 1675 MEDLINE  
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[PMID]:28666779
[Au] Autor:Li WR; He SG; Liu CX; Zhang XM; Wang LQ; Lin JP; Chen L; Han B; Huang JC; Liu MJ
[Ad] Endereço:College of Life Science and Technology, Xinjiang University, No. 14 Shengli road, Urmuqi, Xinjiang, China; Key Laboratory of Genetics, Breeding & Reproduction of Grass-Feeding Livestock, Ministry of Agriculture, No. 468 Alishan road, Urmuqi, Xinjiang, China; Key Laboratory of Animal Biotechnolog
[Ti] Título:Ectopic expression of FGF5s induces wool growth in Chinese merino sheep.
[So] Source:Gene;627:477-483, 2017 Sep 05.
[Is] ISSN:1879-0038
[Cp] País de publicação:Netherlands
[La] Idioma:eng
[Ab] Resumo:Fibroblast growth factor 5 (FGF5) has been recognized as an inhibitor to cease animal hair growth, while in contrary, FGF5 short alternative transcript (FGF5s) can induce hair growth by antagonizing FGF5 function. To investigate the role of FGF5s in wool growth in Chinese Merino sheep, we generated transgenic sheep of ectopic expression of FGF5s by injection of recombinant lentivirus into zygote. Totally 20 transgenic sheep were obtained and 12 were alive after birth. Characterization of the transgene revealed that the transgenic sheep showed variety of integrant, ranged from 2 to 11 copies of transgene. The ectopic expression of FGF5s was observed in all transgenic sheep. Further study on the effect of ectopic expression of FGF5s revealed that the wool length of transgenic sheep were significantly longer than that of non-transgenic control, with 9.17cm of transgenic lambs versus 7.58cm of control animals. Notably, besides the increase of wool length, the yearling greasy fleece weight was also concordantly greater than that of wild-type (p<0.01), with 3.22kg of transgenic sheep versus 2.17kg of control lambs (p<0.01) in average. Our results suggested that overexpression of FGF5s could stimulate wool growth and resulted in increase of wool length and greasy wool weight.
[Mh] Termos MeSH primário: Animais Geneticamente Modificados/genética
Fator 5 de Crescimento de Fibroblastos/genética
Ovinos/genética
/crescimento & desenvolvimento
[Mh] Termos MeSH secundário: Animais
Fator 5 de Crescimento de Fibroblastos/metabolismo
/metabolismo
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
129653-64-1 (Fibroblast Growth Factor 5)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170920
[Lr] Data última revisão:
170920
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170702
[St] Status:MEDLINE


  5 / 1675 MEDLINE  
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[PMID]:28631368
[Au] Autor:Li WR; Liu CX; Zhang XM; Chen L; Peng XR; He SG; Lin JP; Han B; Wang LQ; Huang JC; Liu MJ
[Ad] Endereço:College of Life Science and Technology, Xinjiang University, Urumqi, China.
[Ti] Título:CRISPR/Cas9-mediated loss of FGF5 function increases wool staple length in sheep.
[So] Source:FEBS J;284(17):2764-2773, 2017 Sep.
[Is] ISSN:1742-4658
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Fibroblast growth factor 5 (FGF5) regulates hair length in humans and a variety of other animals. To investigate whether FGF5 has similar effects in sheep, we used clustered regularly interspaced short palindromic repeat (CRISPR)/CRISPR-associated 9 (Cas9) to generate loss-of-function mutations with the FGF5 gene in Chinese Merino sheep. A total of 16 lambs were identified with genetic mutations within the targeting locus: 13 lambs had biallelic modifications and three lambs had monoallelic modifications. Characterization of the modifications revealed that 13 were frameshift mutations that led to premature termination, whereas the other three were in-frame deletions. Thus, CRISPR/Cas9 efficiently generated loss-of-function mutations in the sheep FGF5 gene. We then investigated the effect of loss of FGF5 function on wool traits in 12 lambs and found that wool staple length and stretched length of genetically modified (GM) yearling sheep were significantly longer compared with that of wild-type (WT) control animals. The greasy fleece weight of GM yearling sheep was also significantly greater compared with that of WT sheep. Moreover, the mean fiber diameter in GM sheep showed no significant difference compared with WT sheep, suggesting that the increase in greasy fleece weight was likely attributed to the increase in wool length. The results of this study suggest that CRISPR/Cas9-mediated loss of FGF5 activity could promote wool growth and, consequently, increase wool length and yield.
[Mh] Termos MeSH primário: Fator 5 de Crescimento de Fibroblastos/genética
Carneiro Doméstico/genética
/crescimento & desenvolvimento
[Mh] Termos MeSH secundário: Animais
Sequência de Bases
Sistemas CRISPR-Cas
Fator 5 de Crescimento de Fibroblastos/metabolismo
Carneiro Doméstico/crescimento & desenvolvimento
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
129653-64-1 (Fibroblast Growth Factor 5)
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171030
[Lr] Data última revisão:
171030
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170621
[St] Status:MEDLINE
[do] DOI:10.1111/febs.14144


  6 / 1675 MEDLINE  
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[PMID]:28384189
[Au] Autor:Ma GW; Chu YK; Zhang WJ; Qin FY; Xu SS; Yang H; Rong EG; Du ZQ; Wang SZ; Li H; Wang N
[Ad] Endereço:Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture, Harbin, P. R. China.
[Ti] Título:Polymorphisms of FST gene and their association with wool quality traits in Chinese Merino sheep.
[So] Source:PLoS One;12(4):e0174868, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Follistatin (FST) is involved in hair follicle morphogenesis. However, its effects on hair traits are not clear. This study was designed to investigate the effects of FST gene single nucleotide polymorphisms (SNP) on wool quality traits in Chinese Merino sheep (Junken Type). We performed gene expression analysis, SNP detection, and association analysis of FST gene with sheep wool quality traits. The real-time RT-PCR analysis showed that FST gene was differentially expressed in adult skin between Chinese Merino sheep (Junken Type) and Suffolk sheep. Immunostaining showed that FST was localized in inner root sheath (IRS) and matrix of hair follicle (HF) in both SF and Suffolk sheep. Sequencing analysis identified a total of seven SNPs (termed SNPs 1-7) in the FST gene in Chinese Merino sheep (Junken Type). Association analysis showed that SNP2 (Chr 16. 25,633,662 G>A) was significantly associated with average wool fiber diameter, wool fineness SD, and wool crimp (P < 0.05). SNP4 (Chr 16. 25,633,569 C>T) was significantly associated with wool fineness SD and CV of fiber diameter (P < 0.05). Similarly, the haplotypes derived from these seven identified SNPs were also significantly associated with average wool fiber diameter, wool fineness SD, CV of fiber diameter, and wool crimp (P < 0.05). Our results suggest that FST influences wool quality traits and its SNPs 2 and 4 might be useful markers for marker-assisted selection and sheep breeding.
[Mh] Termos MeSH primário: Folistatina/genética
Polimorfismo de Nucleotídeo Único
Ovinos/genética

[Mh] Termos MeSH secundário: Animais
Frequência do Gene
Genótipo
Haplótipos
Reação em Cadeia da Polimerase em Tempo Real
Reação em Cadeia da Polimerase Via Transcriptase Reversa
Especificidade da Espécie
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Follistatin)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170908
[Lr] Data última revisão:
170908
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170407
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0174868


  7 / 1675 MEDLINE  
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[PMID]:28379502
[Au] Autor:Demars J; Cano M; Drouilhet L; Plisson-Petit F; Bardou P; Fabre S; Servin B; Sarry J; Woloszyn F; Mulsant P; Foulquier D; Carrière F; Aletru M; Rodde N; Cauet S; Bouchez O; Pirson M; Tosser-Klopp G; Allain D
[Ad] Endereço:GenPhySE, Université de Toulouse, INRA, INPT, ENVT, Castanet-Tolosan, France.
[Ti] Título:Genome-Wide Identification of the Mutation Underlying Fleece Variation and Discriminating Ancestral Hairy Species from Modern Woolly Sheep.
[So] Source:Mol Biol Evol;34(7):1722-1729, 2017 Jul 01.
[Is] ISSN:1537-1719
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:The composition and structure of fleece variation observed in mammals is a consequence of a strong selective pressure for fiber production after domestication. In sheep, fleece variation discriminates ancestral species carrying a long and hairy fleece from modern domestic sheep (Ovis aries) owning a short and woolly fleece. Here, we report that the "woolly" allele results from the insertion of an antisense EIF2S2 retrogene (called asEIF2S2) into the 3' UTR of the IRF2BP2 gene leading to an abnormal IRF2BP2 transcript. We provide evidence that this chimeric IRF2BP2/asEIF2S2 messenger 1) targets the genuine sense EIF2S2 RNA and 2) creates a long endogenous double-stranded RNA which alters the expression of both EIF2S2 and IRF2BP2 mRNA. This represents a unique example of a phenotype arising via a RNA-RNA hybrid, itself generated through a retroposition mechanism. Our results bring new insights on the sheep population history thanks to the identification of the molecular origin of an evolutionary phenotypic variation.
[Mh] Termos MeSH primário: Carneiro Doméstico/genética
Ovinos/genética
[Mh] Termos MeSH secundário: Animais
Evolução Biológica
Proteínas de Transporte/genética
DNA Antigo
Variação Genética/genética
Genoma
Estudo de Associação Genômica Ampla/métodos
Mutação
Fenótipo
Fatores de Transcrição/genética

[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Carrier Proteins); 0 (DNA, Ancient); 0 (Transcription Factors)
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171031
[Lr] Data última revisão:
171031
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170406
[St] Status:MEDLINE
[do] DOI:10.1093/molbev/msx114


  8 / 1675 MEDLINE  
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[PMID]:28257857
[Au] Autor:Bai DP; Yang MM; Qu L; Chen YL
[Ad] Endereço:College of Animal Sciences, Fujian Agricultural and Forestry University, Fuzhou 350002, China; Fujian Key Laboratory of Traditional Chinese Veterinary Medicine and Animal Health, Fuzhou 350002, China.
[Ti] Título:Generation of a transgenic cashmere goat using the piggyBac transposition system.
[So] Source:Theriogenology;93:1-6, 2017 Apr 15.
[Is] ISSN:1879-3231
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:The development of transgenic technologies in the Cashmere goat (Capra hircus) has the potential to improve the quality of the meat and wool. The piggyBac (PB) transposon system is highly efficient and can be used to transpose specific target genes into the genome. Here, we developed a PB transposon system to produce transgenic Cashmere goat fetal fibroblasts (GFFs) with the enhanced green fluorescent protein (EGFP). We then used the genetically modified GFFs as nuclear donors to generate transgenic embryos by somatic cell nuclear transfer (SCNT). The embryos (n = 40) were implanted into female goats (n = 20). One transgenic kid that expressed EGFP throughout the surface features of its body was born. This result demonstrated the usefulness of PB transposon system in generating transgenic Cashmere goats.
[Mh] Termos MeSH primário: Animais Geneticamente Modificados/genética
Engenharia Genética/veterinária
Cabras/genética
[Mh] Termos MeSH secundário: Animais
Animais Recém-Nascidos/genética
DNA/análise
Elementos de DNA Transponíveis
Transferência Embrionária
Feminino
Feto/citologia
Fibroblastos
Engenharia Genética/métodos
Proteínas de Fluorescência Verde
Carne
Técnicas de Transferência Nuclear/veterinária
Gravidez
Transfecção/veterinária

[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (DNA Transposable Elements); 0 (enhanced green fluorescent protein); 147336-22-9 (Green Fluorescent Proteins); 9007-49-2 (DNA)
[Em] Mês de entrada:1708
[Cu] Atualização por classe:170801
[Lr] Data última revisão:
170801
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170305
[St] Status:MEDLINE


  9 / 1675 MEDLINE  
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[PMID]:28218777
[Au] Autor:Tian YZ; Usman T; Tian KC; Di J; Huang XX; Xu XM; Tulafu H; Wu WW; Fu XF; Bai Y; Tuerxun M; Maimaiti A
[Ad] Endereço:College of Animal Science, Xinjiang Agricultural University, Urumqi, China.
[Ti] Título:Comparative study of 13 candidate genes applying multi-reference normalization to detect the expression of different fineness in skin tissues of wool sheep.
[So] Source:Genet Mol Res;16(1), 2017 Feb 16.
[Is] ISSN:1676-5680
[Cp] País de publicação:Brazil
[La] Idioma:eng
[Ab] Resumo:Fiber diameter is a useful indicator of wool traits and it is the main determinant of wool quality and value. A comparative study was conducted to analyze the abundance and expression of 13 candidate genes using expression profile microarray analysis and to identify novel molecular markers associated with wool traits to provide a molecular basis for improving wool quality in sheep. Genes associated with fineness of skin tissue were identified using a real-time reverse transcriptase-polymerase chain reaction method with 18SrRNA, ß-Actin, and GAPDH used for multi-reference normalization. The results indicated that the expression levels of TXNIP, TFDP1, and FAIM genes in super-fine type wool sheep were higher than those in fine-type wool sheep; the corresponding expression ratios of super-fine to fine wool sheep were 1.45, 1.57, and 2.55, respectively. The expression levels of PIK3CA, ADAM9, and FZD3 genes were lower in super-fine wool sheep compared with fine-type wool sheep; the corresponding expression ratios were 0.61, 0.65, and 0.52, respectively. The other genes tested (RPS6KA, ABCG2, GSTA1, PTPN13, GJB3, PPARD, and LAMB1) were similarly expressed in both types of wool sheep. These results infer that lower expression of PIK3CA, ADAM9, and FZD3 genes was associated with lower fiber diameter, whereas lower expression of TXNIP, TFDP1, and FAIM genes was associated with higher fiber diameter.
[Mh] Termos MeSH primário: Perfilação da Expressão Gênica/métodos
Análise de Sequência com Séries de Oligonucleotídeos/métodos
Locos de Características Quantitativas
Ovinos/genética
[Mh] Termos MeSH secundário: Animais
Perfilação da Expressão Gênica/veterinária
Regulação da Expressão Gênica
Marcadores Genéticos
Análise de Sequência com Séries de Oligonucleotídeos/veterinária
Fenótipo

[Pt] Tipo de publicação:COMPARATIVE STUDY; JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Genetic Markers)
[Em] Mês de entrada:1703
[Cu] Atualização por classe:170302
[Lr] Data última revisão:
170302
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170221
[St] Status:MEDLINE
[do] DOI:10.4238/gmr16018905


  10 / 1675 MEDLINE  
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[PMID]:28152616
[Au] Autor:Baaka N; Haddar W; Ben Ticha M; Amorim MTP; M'Henni MF
[Ad] Endereço:a Research Unit 13 ES 63, Applied Chemical - Environment, Faculty of Sciences of Monastir , University of Monastir , Monastir , Tunisia.
[Ti] Título:Sustainability issues of ultrasonic wool dyeing with grape pomace colourant.
[So] Source:Nat Prod Res;31(14):1655-1662, 2017 Jul.
[Is] ISSN:1478-6427
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:In this study, the ultrasound technique was investigated to dye wool fabrics with the natural extract obtained from grape pomace as a way of reducing time, temperature and environmental impact. Indeed, this natural material was very rich in total polyphenolic compounds and total flavonoids (which are, respectively, 310 (mg GAE/L) and 75 mg (CE/L)). Further, Fourier Transform Infrared Spectroscopy showed that the major chemical groups identified in the extracted dye and in the dyed wool fabrics are characteristics of phenolic compounds. The experimental findings of the dyeing process showed that ultrasound method could improve obviously the dye exhaustion and fixation which resulted in improving considerably the colour yield (K/S) and the fastness properties of dyed fabrics compared to the conventional heating method.
[Mh] Termos MeSH primário: Corantes/química
Vitis

[Mh] Termos MeSH secundário: Animais
Cor
Espectroscopia de Infravermelho com Transformada de Fourier
Temperatura Ambiente
Têxteis
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Coloring Agents)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170922
[Lr] Data última revisão:
170922
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170204
[St] Status:MEDLINE
[do] DOI:10.1080/14786419.2017.1285303



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