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	Provedor de dados JBAG (1) Autor Corva,PM (1) Marrube,G (1) Melucci,LM (1) Mezzadra,CA (1) Miquel,MC (1) Rozen,FMB (1) Schor,A (1) Soria,LA (1) Villarreal,EL (1) Mais... Palavra-chave Bovinos para carne (1) Calidad de la carne (1) Gen FASN (1) SNPs (1) Tipo do documento Info:eu-repo/semantics/article (1) Ano 2010 (1) País Argentina (1) Idioma Espanhol (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 85 Primeira ... 1 2 3 4 5 ... Última Piper gaudichaudianum Kunth: Seasonal Characterization of the Essential Oil Chemical Composition of Leaves and Reproductive Organs BABT Schindler,Bianca; Heinzmann,Berta Maria. ABSTRACT This study describes a comparative analysis of the essential oil (EO) chemical composition of leaves and reproductive organs (inflorescences and fruits) of Piper gaudichaudianum during the seasons of a year in order to determine the best collection time and the most suitable plant organ to obtain this extractive. The chemical composition of EO obtained from fresh leaves was compared to the dried ones, to verify if the drying process interferes in the extractive quality. The leaves were collected from a native population of Santa Maria, RS, Brazil, twice in each season, in triplicate, while inflorescences and fruits were sampled when they were present. The EO was obtained by hydrodistillation of the different plant organs for 3 h. The 20 EO samples... Tipo: Info:eu-repo/semantics/article Palavras-chave: Pariparoba; Plant extraction; Medicinal plant; Post-harvest processing. Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132017000100603 Plant growth, nutrients and potentially toxic elements in leaves of yerba mate clones in response to phosphorus in acid soils Anais da ABC (AABC) BARBOSA,JULIERME Z.; MOTTA,ANTONIO C. V.; CONSALTER,RANGEL; POGGERE,GIOVANA C.; SANTIN,DELMAR; WENDLING,IVAR. ABSTRACT Native to subtropical region of South America, yerba mate is responsive to P under some conditions, but the degree of influence of genetic and soil on the growth and composition of the leaf is unknown. The aim of study was to evaluate plant growth, nutrients and potentially toxic elements in leaves of yerba mate clones in response to P application in acid soils. In greenhouse condition, two yerba mate clone seedlings were grown (210 days) in pots, each clone in a completely randomized design in factorial scheme (with and without P; four acid soils). The elemental composition of leaves and the growth of plants were determined. Phosphorus promoted plant growth, but this was not accompanied by increased P in leaf tissue in all conditions tested. The... Tipo: Info:eu-repo/semantics/article Palavras-chave: Ilex paraguariensis St.Hil; Medicinal plant; Metal accumulation; Soil fertility; Trace elements.. Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000100557 Plant regeneration through somatic embryogenesis of yacón [smallanthus sonchifolius (poepp. and endl.) H. Robinson] BABT Corrêa,Cynthia Manyra; Oliveira,Graciele Nicolodi de; Astarita,Leandro Vieira; Santarém,Eliane Romanato. Smallanthus sonchifolius has tuberous roots containing large amounts of fructo-oligosaccharides and its medicinal use has increased due to the hypoglycemic properties reported for this species. An efficient system for propagation via somatic embryogenesis is reported using petiole segments cultivated on MS medium supplemented with combinations of BA, kinetin and 2,4-D, under light and darkness conditions. Embryogenic callus was formed in most of the treatments; however, somatic embryogenesis was promoted by the presence of light. Clusters of somatic embryos appeared on callus surface after 50 days of culture. The highest number of embryos was produced on 0.45 µM BA and 4.5 µM 2,4-D. Embryogenic calli were maintained on MS medium containing 4.5 µM BA and... Tipo: Info:eu-repo/semantics/article Palavras-chave: Medicinal plant; Tissue culture; Polymnia sonchifolia; Micropropagation. Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000300005 Planting time for maximization of yield of vinegar plant calyx (Hibiscus sabdariffa L.) Ciência e Agrotecnologia Castro,Nilmar Eduardo Arbex de; Pinto,José Eduardo Brasil Pereira; Cardoso,Maria das Graças; Morais,Augusto Ramalho de; Bertolucci,Suzan Kelly V.; Silva,Fabiano Guimarães da; Delú Filho,Nelson. The objective of this work was to evaluate the yield of calyxes of Hibiscus sabdariffa L, a medicinal plant, at four planting times in Lavras - MG. The treatments were four planting times (October 18th, November 15th, December 18th 2001 and January 15th 2002) and a harvest was proceeded when practically there were no developing calyxes, almost at the end of the plant cycle. The numbers of calyxes per plant, the fresh and dry biomasses of calyxes and quality were taken into account. It follows that planting time influenced yield per plant and the fresh and dry biomasses of calyxes, differing from each other by Tukey test at 5%. In October planting, there was a higher yield (2,522kg/ha) with a yield 5.24 as high relative to the planting of the month of... Tipo: Info:eu-repo/semantics/article Palavras-chave: Organic farming; Calyx; Medicinal plant; Yield; Vinegar plant. Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542004000300009 Plants considered useful for hypoglycemic, antihypertensive or hypolipidemic treatments by patients with peripheral vascular diseases Plantas Medicinales García-Lazo,Gertrudis; Lauzant-Diaz,Ela; Díaz Batista,Arquímedes; Garcia-Mesa,Milagros. Tipo: Journal article Palavras-chave: Medicinal plant; Herb medicine; Diabetes mellitus; Arterial hypertension; Dyslipidemia; Glucose; Cholesterol; Atherosclerosis; Atherothrombosis. Ano: 2015 URL: http://scielo.sld.cu/scielo.php?script=sci_arttext&pid=S1028-47962015000100004 Polysaccharide extract of Mimosa tenuiflora stem barks stimulates acute inflammatory response via nitric oxide Biological Sciences Silva-Leite, Kaira Emanuella Sales da; Queiroz, Cinthia Silva; Madeira, Juliana da Costa; Soares, Pedro Marcos Gomes; Pereira, Maria Gonçalves; Assreuy, Ana Maria Sampaio. Mimosa tenuiflora (Mimosaceae) or “jurema-preta” is well distributed in the northeast Brazil, being popularly used to treat skin lesions, burns and inflammation. The healing effect of the alcoholic extract prepared with its barks corroborates the popular use. This study aimed to evaluate the inflammatory response of polysaccharides extracted from M. tenuiflora barks (EP-Mt) by methanol/NaOH and ethanol precipitation. Inflammatory activity was assessed in rat models of acute inflammation (paw edema and peritonitis), by the following parameters: edema, vascular permeability, leukocyte migration, myeloperoxidase activity and pharmacological modulation of nitric oxide and prostaglandins. EP-Mt presented 3.8% yield, 41% carbohydrate and 0.34% protein. EP-Mt... Tipo: Info:eu-repo/semantics/article Palavras-chave: 2.00.00.00-6 e 2.10.00.00-0 Mimosaceae; Medicinal plant; Carbohydrate; Inflammation 2.10.06.00-8. Ano: 2016 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/32234 Population dynamics of Cyrtomon luridus Boheman (Coloptera: Curculionidae) on Duboisia sp. (Solanaceae) in Brazil Scientia Agricola Paulo,Tironi; von Treuenfels,Adrian; Parra,José Roberto Postali. Cyrtomon luridus (Boheman) has adapted to the medicinal plant Duboisia sp., introduced from Australia. Its larvae feed on roots, causing up to 100% mortality damages. The population dynamics and biological cycle were studied to determine future control methods in Duboisia sp., in Arapongas, Paraná State, Brazil, from 1993 to 1996. C. luridus presented annual life cycle in Duboisia sp. under natural conditions. The larval development period was 120 to 150 days, from January to May, reaching an average size of 19.0 ± 2.0 mm in soil depth ranging on 24.9 ± 8.6 cm to 45.0 ± 10.0 cm. The beginning of the pupal phase happened in April. The larval-adult viability ranged on 7.5% to 19.6%. The typical symptoms of attack appeared in an infestation level of 60 larvae... Tipo: Info:eu-repo/semantics/article Palavras-chave: Microctonus; Biological cycle; Medicinal plant; Control; Longevity. Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162005000500011 Potential of Baccharis alnifolia Meyen & Walpan (Chilka) from northern Chile used as a medicinal infusion Ciência Rural Soto,Emilio; Bustos,Luis; Simirgiotis,Mario Juan; Parra,Claudio. ABSTRACT: Baccharis alnifolia Meyen & Walp. is a native and medicinal, Chilean Altiplano herb that is used as a poultice and also consumed as an infusion to relieve inflammation. This study evaluated the antioxidant and cytotoxic effect of the ethanolic extract of B. alnifolia and their infusion. It was reported that the ethanol extract contains 4.42 mg GAE/g of dry weight and the infusion contains 35.86 mg GAE/L of total polyphenols. Also, it determined the antioxidant capacity using Ferric reducing antioxidant power (FRAP), Oxygen Radical Absorbance Capacity (ORAC) and Trolox equivalent antioxidant capacity (TEAC) assay. Moreover, seven metabolites including between phenolic acids and flavonoids were identified for the first time in both extracts of... Tipo: Info:eu-repo/semantics/article Palavras-chave: Antioxidant activity; Baccharis alnifolia; Bioactivity; Medicinal plant; UHPLC-DAD. Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019001000401 Quantification of chlorogenic acid, rosmarinic acid, and caffeic acid contents in selected Thai medicinal plants using RP-HPLC-DAD BJPS Chaowuttikul,Chayanon; Palanuvej,Chanida; Ruangrungsi,Nijsiri. The chlorogenic acid, rosmarinic acid, and caffeic acid contents in 100 selected plants were determined using reversed phase high performance liquid chromatography equipped with diode array detector. The optimum condition was 0.2% phosphoric acid in water (solvent A) and methanol (solvent B) as the mobile phase, which was set at 45% B for 20 minutes at a flow rate of 1.2 mL/min. The column temperature was maintained at 30 ºC and the detection wavelength was 325 nm. Among 100 selected plants, 39.64% contained all 3 compounds, 40.54% contained 2 compounds, 14.41% contained only 1 compound, and 5.41% could not detect any of the 3 compounds. The highest contents of chlorogenic acid, rosmarinic acid, and caffeic acid were found in Lonicera japonica flowering... Tipo: Info:eu-repo/semantics/article Palavras-chave: Chlorogenic acid; Rosmarinic acid; Caffeic acid; RP-HPLC-DAD; Medicinal plant. Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502020000100507 Shade level effects on yield and chemical composition of the leaf essential oil of Pothomorphe umbellata (L.) Miquel Scientia Agricola Mattana,Raquel Souza; Vieira,Maria Aparecida Ribeiro; Marchese,José Abramo; Ming,Lin Chau; Marques,Márcia Ortiz Mayo. Pothomorphe umbellata (L.) Miquel, is a medicinal species that belong to the Piperaceae family and commonly called "pariparoba" and "caapeba". It grows in regions rich in humus, humidity and under the shade of trees, which contribute for its best growth as it is considered a species sciophyte. The effect of shade on the yield and chemical composition of essential oil of Pothomorphe umbellata (Piperaceae) leaves was evaluated. Nine-month-old seedlings were planted in October 2002 and subjected to three shade levels (30%, 50%, 70%) and full sun; the experimental design was in randomized blocks, with four treatments and six replications, in split-plot in time scheme. Two harvests of aerial part were made (05/2003 and 05/2004). Essential oil was extracted by... Tipo: Info:eu-repo/semantics/article Palavras-chave: Piperaceae; Cultivation systems; Trans-nerolidol; Medicinal plant. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162010000400006 Somatic embryogenesis and plant regeneration in Wedelia calendulacea Less. an endangered medicinal plant BABT Sharmin,Shamima Akhtar; Alam,Md. Jahangir; Sheikh,Md. Mominul Islam; Sarker,Kanak Kanti; Khalekuzzaman,Muhammad; Haque,Md. Anwarul; Alam,Mohammad Firoz; Alam,Iftekhar. In this work, plant regeneration via somatic embryogenesis was achieved from leaf and internode derived callus of Wedelia calendulacea, an endangered medicinal plant. Primary callus was induced by culturing leaf disc and internode explant on Murashige and Skoog medium supplemented with 2.0 mg L-1 of 2,4-D under light condition. Transfer of embryogenic callus on a reduced concentration of 2,4-D facilitated somatic embryo development while calluses remained unorganized at the same 2,4-D level. A histological analysis confirmed somatic embryo by revealing the presence of a closed vascular system in the developing embryos and lack of a vascularconnection with surrounding callus tissues. Somatic embryos germinated into plantlets upon transfer on MS medium... Tipo: Info:eu-repo/semantics/article Palavras-chave: In vitro; Medicinal plant; Micropropagation; Somatic embryo; Threatened; Wedelia calendulacea. Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132014000300013 Standardized production of Phyllanthus tenellus Roxb. by plant tissue culture Rev. Ciênc. Agron. Victório,Cristiane Pimentel; Henriques,Anaize Borges; Tavares,Eliana Schwartz; Esquibel,Maria Apparecida; Lage,Celso Luiz Salgueiro. Exigencies as ethic plant raw material are part of the needs of modern phytotherapy. Micropropagation offers opportunities to obtain mass propagation of superior genotypes in short time. This study aimed to develop a protocol of direct and indirect organogenesis of Phyllanthus tenellus Roxb. Nodal segments from plantlets obtained by in vitro germination were subcultured in modified Murashige and Skoog medium added with different plant growth regulators: IAA (indole-3-acetic acid), IBA (indole-3-butyric acid), GA3 (3-giberelic acid) and KIN (kinetin). The highest proliferation rate was obtained using the combinations: IBA, KIN + GA3 (3.5 mg L-1) and IBA + KIN (2.4 mg L-1). Rooting was intensified after 40 days, reaching 100% for all media with... Tipo: Info:eu-repo/semantics/article Palavras-chave: Callus; Micropropagation; Medicinal plant. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902010000200015 Teor e composição química do óleo essencial de Melissa officinalis L. in vitro sob influência do meio de cultura - DOI: 10.4025/actasciagron.v31i2.765 Agronomy Reis, Érika Soares; IFMG; Pinto, José Eduardo Brasil Pereira; UFLA; Rosado, Luciana Domiciano Silva; UFLA; Corrêa, Ricardo Monteiro; IFMG. Com o objetivo de avaliar o efeito do meio de cultura no teor e composição química do óleo essencial de Melissa officinalis, foi realizado o presente trabalho, que avaliaram três concentrações do meio de cultura MS. O experimento foi implantado em delineamento inteiramente casualizado, com sete repetições, e cada repetição foi representada por uma amostra de 20 g de plântulas frescas. A extração do óleo foi realizada em aparelho de Clevenger modificado com duração de 1h e 30 min. e a análise química foi realizada por cromatografia gasosa. Observou-se que o teor e a composição química do óleo essencial de M. officinalis foram influenciados pela concentração de sais do meio MS. As plântulas que se desenvolveram nos meios MS e MS/4 apresentaram maior teor de... Palavras-chave: 5.01.00.00-9 Agronomia Melissa officinalis; Planta medicinal; Óleo essencial; Cultura de tecidos Fitotecnia Melissa officinalis; Medicinal plant; Essential oil; Tissue culture. Ano: 2009 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/765 Ternstroemia cameroonensis (Ternstroemiaceae), a new medicinally important species of montane tree, nearly extinct in the Highlands of Cameroon Naturalis Cheek, M.; Tchiengue, B.; Tacham, W.N.. Ternstroemia cameroonensis sp. nov. (Ternstroemiaceae) is formally described from the Highlands of Cameroon and its conservation status is assessed as Critically Endangered using the IUCN 2012 standard. This is the third species of Ternstroemia known from Africa. The species is unusual in its genus in being monoecious, having Terminalia-branching (Aubreville’s model), phyllotaxy of 1/3 (not pseudo-verticillate), flowers with a uniseriate androecium and a distinct intra-staminal disc, and in the stamens lacking a distinct apicular connective. The species is used locally for extensive medicinal purposes. Tipo: Article / Letter to the editor Palavras-chave: Cloud Forest; Critically Endangered; Medicinal plant; Pentaphylacaceae; Theaceae. Ano: 2017 URL: http://www.repository.naturalis.nl/record/626072 Testicular morphology of adult wistar rats treated with Rudgea viburnoides (Cham.) Benth. leaf infusion BABT Monteiro,Juliana Castro; Matta,Sérgio Luis Pinto da; Predes,Fabrícia Souza; Paula,Tarcízio Antônio Rego de. The present study was carried out to investigate the effects of Rudgea viburnoides infusion on the body biometry and testicular morphometry and stereology of adult Wistar rats. Two groups received the infusion daily at the concentration of 3 or 6 mg/mL for 40 days. The control group received only water. Neither the biometrical parameters nor the tubular diameter and the height of the seminiferous epithelium showed any significant alterations in the treated animals. Leydig cells stereology did not show any significant alterations in the treated animals. These results indicated that R. viburnoides did not cause alterations in body biometry and testicular morphometry. Tipo: Info:eu-repo/semantics/article Palavras-chave: Medicinal plant; Congonha-de-bugre; Morphometry; Stereology; Leydig cell. Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132012000100013 The effects of Cyclosporin A and Heteropterys tomentosaon the rat liver Anais da ABC (AABC) Freitas,Karine M. de; Almeida,Jacqueline M.; Monteiro,Juliana C.; Diamante,Maria Aparecida S.; Vale,Jéssica S.F. do; Camargo,Camila; Jorge,Marçal H.A.; Dolder,Heidi. Cyclosporin A (CsA) is a widely employed immunosuppressive drug that is associated with several side effects, among then hepatotoxicity. Heteropterys tomentosais a Brazilian plant efficient in reducing damage caused by CsA on the rat testis and prostate. The aim of this study was to evaluate the effect of CsA and H. tomentosa(administered isolated or simultaneously) on the liver of Wistar rats. The animals were treated daily with water (control), CsA (15mg/kg/day), H. tomentosainfusion or CsA+H. tomentosa, for 21 or 56 days. The treatments did not alter liver morphology or cause fibrosis. H. tomentosaadministered for 21 days increased the number of hepatocyte nuclei and Kupffer cell volumetric proportion. After 56 days of treatment, H.... Tipo: Info:eu-repo/semantics/article Palavras-chave: Hepatotoxicity; Heteropterys aphrodisiaca; Medicinal plant; Phytotherapy; Hepatotoxicidade; Heteropterys aphro disiaca; Planta medicinal; Fitoterapia. Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652015000100369 THE EFFICIENCY OF SHOOT AND PLANTLET FORMATION OF Cephaelis ipecacuanha AFTER THREE SUBCULTURES IN VITRO Ciência Rural Lameira,Osmar Alves; Costa,Marly Pedroso da; Pinto,José Eduardo Brasil Pereira. Multiple adventitious shoot formed from internodal segments of Cephaelis ipecacuanha cultured 25 days on Gamborg basal medium (GAMBORG et al., 1968) supplemented with 6.66mM 6-benzylaminopurine there was a maximum of nine shoots per segment and an average of five shoots per segment formed. The presence of gibberellic acid in the subculture media promoted shoot elongation in all treatments. The shoots attained 3cm in height and rooting of 100% after 35 days of culturing upon Murashige and Skoog's basal medium (MS), added with 4.92mM indole-3-butyric acid, 0.87m gibberellic acid and 0.1% activated charcoal. Further growth was accelerated after the transfer to 1/2 MS without growth regulators. Rooted plantlets transferred to potting soil could be successfully... Tipo: Info:eu-repo/semantics/article Palavras-chave: Medicinal plant; Micropropagation; Ipecac. Ano: 1994 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84781994000300013 The foliar trichomes of Hypoestes aristata (Vahl) Sol. ex Roem. & Schult var aristata (Acanthaceae) a widespread medicinal plant species in tropical sub-Saharan Africa: with comments on its possible phylogenetic significance Biol. Res. Bhatt,A; Naidoo,Y; Nicholas,A. The micromorphology of foliar trichomes of Hypoestes aristata var. aristata was studied using stereo, light and scanning microscopy (SEM). This genus belongs to the advanced angiosperm family Acanthaceae, for which few micromorphological leaf studies exist. Results revealed both glandular and non-glandular trichomes, the latter being more abundant on leaf veins, particularly on the abaxial surface of very young leaves. With leaf maturity, the density of non-glandular trichomes decreased. Glandular trichomes were rare and of two types: long-stalked capitate and globose-like peltate trichomes. Capitate trichomes were observed only on the abaxial leaf surface, while peltate trichomes were distributed on both adaxial and abaxial leaf surfaces. Tipo: Journal article Palavras-chave: Acanthaceae; Glandular trichomes; Hypoestes aristata var. aristata; Medicinal plant; Scanning electron microscope. Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602010000400004 Tissue culture of Cecropia glaziovii Sneth (urticaceae): vegetative micropropagation and plant regeneration from callus Ciência e Agrotecnologia Alves,Marcos Nopper. Cecropia glaziovii is a tree with used in Brazilian popular medicine. Methods allowing the clonal propagation of this species are of great interest for superior genotype multiplication and perpetuation. For this reason, we examined the effect of different culture media and different types of explants on adventitious shoot regeneration from callus and buds of C. glaziovii. Leaves, petioles and stipules obtained from aseptically grown seedlings or from pre-sterilized plants were used to initiate cultures. Adventitious shoot regeneration was achieved when apical and axillary buds were inoculated on gelled Murashige & Skoog (MS) medium supplemented with 6-benzylaminopurine alone (BAP) (1.0, 5.0 or 10.0 mg L-1) or combined with -naphthalene acetic acid... Tipo: Info:eu-repo/semantics/article Palavras-chave: Medicinal plant; Clonal propagation; Adventitious buds; Growth regulators; Callogenesis. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542010000500024 Tissue culture techniques in the proliferation of shoots and roots of Calendula officinalis Rev. Ciênc. Agron. Victório,Cristiane Pimentel; Lage,Celso Luiz Salgueiro; Sato,Alice. The high demand for plant material from Calendula officinalis in the production of herbal medicines and cosmetics, turns the technique of plant-tissue culture into one of the alternatives for the improvement of crops over a short period of time. A protocol for tissue culture was developed from segments of seedlings of C. officinalis, in order to improve the proliferation of shoots and roots. We used a Murashige and Skoog (MS½N) medium, reduced to half the concentrations of NH4NO3 and KNO3 to verify the effect of different types of explants (basal, intermediate, and apical), a medium containing beach sand as support instead of agar, and the effect of auxins and cytokinins (TDZ tidiazuron; BAP, 6-benzylaminopurine, IAA, indol-3-acetic acid, IBA,... Tipo: Info:eu-repo/semantics/article Palavras-chave: Medicinal plant; Shoots (Plants); Plant-tissue culture; Plant-growth regulators. Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902012000300017 Registros recuperados: 85 Primeira ... 1 2 3 4 5 ... Última

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