About Us

MINEVIK Machinery is a leading and pioneering enterprise with the most advanced international level in R&D, manufacturing and selling of large-scale crushing & screening plants and beneficiation plants.

large-scale crushing & screening plants and beneficiation plants.

All of our equipment have got ISO international quality system certification, European Union CE certification and Russian GOST certification.

  • In central China-Zhengzhou, covering 140 thousand square meters
  • Win-win cooperation and create more value to customers
  • Exported large quantities and high-end mobile crushing plant and milling equipments to Russia, Kazakhstan, Indonesia, Ecuador, South Africa, Nigeria, Turkey more than 100 countries .

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Our Products

AS a leading global manufacturer of crushing and milling equipment, we offer including quarry, aggregate, grinding production and complete stone crushing plant. We also supply individual crushers and mills as well as spare parts of them.

Services

Our goal is to guarantee the excellent operation equipment with high safety for our customers and minimize the downtime of the machine by predictive maintenance. Kefid service and original accessories can be 100% trusted at the time of maintenance.

SERVICE AND SUPPORT

Minevik service and original accessories can be 100% trusted at the time of maintenance.

ACCESSORIES CENTER

striving to enable customers to get the parts in the nearest place.

SALES MARKET

Our sales market is spread all over more than 100 countries and regions

screening phytochimique extract

Screening Phytochimique, Propriétés Analgésiques et

Screening Phytochimique, Propriétés Analgésiques et Toxicité Aigüe de l’Extrait Aqueux des Écorces de la Tige de Paullinia Pinnata (Sapindaceae) RÉSUMÉ Introduction. Paullinia pinnata est une liane de la famille des Sapindaceae. The preparation of the extract was made with 100 g of dried bark powder from the stem of P. pinnata

Phytochemical screening, total phenolics and antioxidant

Phytochemical screening of plant extracts revealed the presence of alkaloids, steroids, terpenoids and cardiac glycosides. Quantitative determination of total phenolics, total flavonoids, and various in vitro antioxidant activities (DPPH, ABTS and FRAP) of methanolic extract was carried out

Screening Phytochimique | Acide acétique | Polyphénol

Screening phytochimique de quelques plantes mdicinales ivoiriennes. 15. Zirihi G. N., 2006. tudes botanique, pharmacologique et phytochimique de quelques plantes mdicinales anti-paludiques et/ou immunognes utilises chez les Bt du Dpartement dIssia, dans louest de la CtedIvoire. Thse de Doctorat dEtat, Universit de Cocody-Abidjan, UFR

(PDF) Preliminary phytochemical screening and

Un screening phytochimique réalisé sur cinq (5) extraits bruts des racines de Cb a révélé qu\'elles renferment des stérols, polyterpènes, flavonoïdes, saponines, tannins, sucres

Phytochemical screening and in vitro antioxidant activity

Apr 03, 2014· Abstract. This study was undertaken to evaluate the correlation between total phenolic and flavonoid contents and antioxidant activity of various extracts of Punica granatum peel using ferric reducing antioxidant power (FRAP) and radical scavenging methods (DPPH). Preliminary phytochemical screening shows that the major constituents of total extracts are tannins and flavonoids.

Phytochemical Screening of Aqueous, Ethanol and Methanol

A comparative analysis using aqueous, ethanol and methanol extract of the ground samples of D. mespiliformis, A. melegueta and Q. indica were examined for the Qualitative and semi-quantitative screening of chemical constituents such as tannins, alkaloids, flavonoids,

Antibacterial activities of the methanol extracts of ten

Background. Many edible plants are used in Cameroon since ancient time to control microbial infections. This study was designed at evaluating the antibacterial activities of the methanol extracts of ten Cameroonian vegetables against a panel of twenty nine Gram negative bacteria including multi-drug resistant (MDR) strains.

ACTIVITE ANTIFONGIQUE ET SCREENING PHYTOCHIMIQUE

ACTIVITE ANTIFONGIQUE ET SCREENING PHYTOCHIMIQUE DE THOS (EXTRAIT AQUEUX DE THONNINGIA SANGUINEA) A. V. Kouakou 1,2, J. D. N’guessan 1*, A. K. M. Kra 1, F. Guédé-Guina 1 1Laboratoire de Pharmacodynamie Biochimique, UFR Biosciences, Université de Cocody-Abidjan 22 BP 582 Abidjan 22, Côte d’Ivoire ; [email protected]

Screening phytochimique de quelques plantes médicinales

Screening phytochimique de quelques plantes médicinales ivoiriennes Sci. Nat. Vol. 6 N°1: 1 15 (2009) 5 reprise et elle a donné le filtrat méthanolique 2. Les 2 filtrats méthanoliques réunis ont été filtrés et concentrés à 25 ml, au bain de sable, pour

(PDF) Activité anti-toxoplasmose, screening phytochimique

The 70% ethanolic extract was obtained from the parts of the plant that are used by traditional health practitioners in the Haut-Sassandra Region (Ivory Coast).The 70% ethanolic extract of Hunteria eburnea stem bark revealed high anti-Toxoplasma gondii activity with an estimated IC50 of 0.72 mg / mL and no cytotoxicity to HFF cells.

(PDF) Activité anti-toxoplasmose, screening phytochimique

The 70% ethanolic extract was obtained from the parts of the plant that are used by traditional health practitioners in the Haut-Sassandra Region (Ivory Coast).The 70% ethanolic extract of Hunteria eburnea stem bark revealed high anti-Toxoplasma gondii activity with an estimated IC50 of 0.72 mg / mL and no cytotoxicity to HFF cells.

Criblage phytochimique et activité SpringerLink

Jan 10, 2018· Résumé. Les objectifs assignés à la présente étude sont le criblage phytochimique de plusieurs métabolites secondaires et l’évaluation de l’activité antimicrobienne des extraits éthanoliques, décoctés et infusés de Thymus serpyllum L. et de Thymus vulgaris L. Le criblage phytochimique a permis de mettre en évidence la présence de substances ayant de grandes valeurs

Phytochemical screening and determination of flavonoids in

The results of the phytochemical screening of the metha-nol extract of the leaves and the stems of S. afzelii show the presence of some important phytochemicals (Table ). T h eam ou ntf cy il v spr d in Table 2. The value of 336 mg/100 g, is relatively higher than that found in orange (200 mg/100 g) and raspberry

The Phytochemical screening and the effects of methanolic

The Phytochemical screening and the effects of methanolic extract of Phyllanthus amarus leaf on the Biochemical parameters of Male guinea pigs. 1OBIANIME, A.W; 2UCHE, F.I 1Department of Pharmacology University of Port Harcourt. 2 Department of Pharmacognosy University of Port Harcourt, Nigeria. Email: [email protected] 8037066891

Antifungal activity of acetone extracts from Punica

The phytochemical screening was also carried out and showed that the extracts contained mainly proanthocyanidins. Other polyphenols were also present but in low quantity. The acetone extract of V. faba L. gave a good in vitro inhibition of yeasts and was the most active for treating candidiasis in mice. It decreased the percentage of mortality

Action de différents extraits végétaux sur la mortalité

nous avons effectué un screening phytochimique des cinq espèces pour avoir un aperçu général sur leur composition en métabolites secondaires. La comparai-son de l’efficacité des extraits aqueux avec celle du nématicide commercial (Vydate) utilisé comme témoin a montré que P. harmala a un effet similaire à celui-ci.

Phytochemical Screening, Polyphenols Content, Antioxidant

The screening of antibacterial activity of extracts was individually evaluated against sixteen bacteria species using a disc diffusion method. Flavonoids, total phenols, and tannins content were performed for both extracts. It shows higher content in the hydroethanolic extract.

Phytochemical Screening, Antioxidant and Antimicrobial

Biochemical screening of the two organic extracts show a highest total polyphenolic content of the two solvent (78.022 ± 0.28 mg GAE/g DM in Chloroform extract and 95.468 ± 0.078 mg GAE/g methyl acetate extract). These values were recorded in the proportion of 70% MeOH.

SCREENING PHYTOCHIMIQUE ET EVALUATION DE L’EFFET ANTI

How to Cite this Article J. Roger BYUMANINE NTABAZA, Daniel KWIBE MAYUNGA, and Marie Thérèse FLESI NSHOBOLE, “SCREENING PHYTOCHIMIQUE ET EVALUATION DE L’EFFET ANTI-DIARRHEIQUE DES EXTRAITS AQUEUX ET ETHANOLIQUES DE Kalanchoe crenata (crassulaceae),” International Journal of Innovation and Scientific Research, vol. 31, no. 1, pp.

Antidiarrhoeal Activity of an Ethanol Extract of the Stem

Dec 29, 2011· Phytochemical screening revealed the presence of tannins, flavonoids, polyphenols and reducing sugars in the stem bark of P. reticulatum. No mortality or visible signs of general weakness were observed in the rats following administration of the crude extract in doses up to 6000 mg/kg body weight in an acute toxicity study.

Phytochemical screening and inhibitory activity of

The present study is focused on the experimental verification of the efficiency of Arbutus unedo L. leaves against the crystallization of calcium oxalate. The inhibition of crystallization has been studied in vitro with the absence and the presence of the different concentrations of the infusion and hydroalcoholic extract of the plant. This study consists of measuring, using a UV-Visible

Screening phytochimique et isolement par voie bioguidée

Screening phytochimique et isolement par voie bioguidée de substances à activité After methanolic extraction of the plant material, the dry extract obtained is subjected to liquid/liquid partition, then fractionation column chromatography and finally preparative TLC. The antibacterial activities of methanolic extracts of leaves, roots

Phytochemical Screening of Sclerocarya birrea

Sep 01, 2016· This study aimed at investigate the phytochemical screening of aqueous, methanolic, dichloromethane extracts of the stem barks of Sclerocarya birrea (Anarcadiaceae) and Khaya senegalensis (Meliaceae). Experiments were performed with the test tubes. The phytochemical analysis revealed the presence of polyphenols, flavonoids, saponides, triterpenes and tannins.

SCREENING PHYTOCHIMIQUE ET EVALUATION DE L’EFFET

SCREENING PHYTOCHIMIQUE ET EVALUATION DE L’EFFET ANTI-DIARRHEIQUE DES EXTRAITS AQUEUX ET ETHANOLIQUES DE Kalanchoe crenata (crassulaceae) ISSN : 2351-8014 Vol. 31 No. 1, Jun. 2017 32 Dans la quasi-totalité de ces pays, les maladies diarrhéiques et les infections respiratoires constituent la 1ère et la 2 ème

Activité anti-toxoplasmose, screening phytochimique et

Activité anti-toxoplasmose, screening phytochimique et étude de la cytotoxicité de l’extrait éthanolique 70% de Hunteria eburnea Pichon (Apocynaceae) Hunteria eburnea is a medicinal plant used in traditional medicine in the Sassandra Region (Ivory Coast) in the treatment of malaria and skin diseases.

Phytochemical Screening of Sclerocarya birrea

Sep 01, 2016· This study aimed at investigate the phytochemical screening of aqueous, methanolic, dichloromethane extracts of the stem barks of Sclerocarya birrea (Anarcadiaceae) and Khaya senegalensis (Meliaceae). Experiments were performed with the test tubes. The phytochemical analysis revealed the presence of polyphenols, flavonoids, saponides, triterpenes and tannins.

Évaluation de l’activité anti-inflammatoire et screening

The extract induced a significant decrease in the number of inflammatory cells. This effect is likely due to higher concentrations of tannins and phenolic compounds in the extract of plant. Fitoterapia 1982; 52(2): composés aromatiques. En effet, ce screening phytochimique a 35-42 11. Brain KR, Tumer TD. Practica evaluation of

SCREENING PHYTOCHIMIQUE, ESSAIS IN VITRO DE

PHYTOCHIMIC SCREENING, CYTOTOXICITY AND ANTILEISHMANIAL IN VITRO TESTS OF ETHANOLIC EXTRACT OF LEAVES ‘EE-F’ OF CESTRUM PARQUI HERIT. Abstract. Description of the subject: The herbal medicine of leishmaniasis in endemic countries plays a key role in the fight, and inspires people to create a biotherapy, consistent and less expensive.

Screening phytochimique et isolement par voie bioguidée

Screening phytochimique et isolement par voie bioguidée de substances à activité After methanolic extraction of the plant material, the dry extract obtained is subjected to liquid/liquid partition, then fractionation column chromatography and finally preparative TLC. The antibacterial activities of methanolic extracts of leaves, roots

SCREENING PHYTOCHIMIQUE ET EVALUATION DE

screening phytochimique et evaluation de l’activite anti-diarrheique des extraits aqueux et ethanoliques de leucas martinisensis : une plante medicinale du bush byumanine ntabaza j. roger1, kwibe mayunga daniel2, bwami musombwa mwaty 3, flesi nshobole m. therese 4, and kaishusha mboni daniel5

Action de différents extraits végétaux sur la mortalité

nous avons effectué un screening phytochimique des cinq espèces pour avoir un aperçu général sur leur composition en métabolites secondaires. La comparai-son de l’efficacité des extraits aqueux avec celle du nématicide commercial (Vydate) utilisé comme témoin a montré que P. harmala a un effet similaire à celui-ci.

Antifungal activity of acetone extracts from Punica

The phytochemical screening was also carried out and showed that the extracts contained mainly proanthocyanidins. Other polyphenols were also present but in low quantity. The acetone extract of V. faba L. gave a good in vitro inhibition of yeasts and was the most active for treating candidiasis in mice. It decreased the percentage of mortality

Phytochemical Screening, Antioxidant and Antimicrobial

Biochemical screening of the two organic extracts show a highest total polyphenolic content of the two solvent (78.022 ± 0.28 mg GAE/g DM in Chloroform extract and 95.468 ± 0.078 mg GAE/g methyl acetate extract). These values were recorded in the proportion of 70% MeOH.

Antibacterial activity of Thonningia sanguinea against

The phytochemical screening of the extract of the flowers of Thonningia sanguinea have shown the presence of saponins, quinons, polyphenols 20. These three classes of secondary metabolites are known to possess antibacterial activities 21 and they may be responsible of the antimicrobial activity of the flowers of T.sanguinea.

E-ISSN: Phytochemical screening of a medicinal plant: P

b) Extract acetatic consist has to introduce 1g of vegetable equipment into 20 ml of the ethyl acetate then one lets it macerate during 24 hours. 4) Screening phytochimic Screening phytochimic is a means to highlight the presence of the groups of chemical families present in a given drug. A-Preliminary Tests

1 Page de garde

ethanol extract from Zilla macroptera is more important compared to other extracts. the aqueous extract from “Ethnopharmacologie et Screening phytochimique de deux Brassicaceae du Sud Ouest Algérien”. 3°PhytoChem & BioSub Conference. 04 et 05 décembre. Bechar , Algérie .

Evaluation of the toxicological effect of stem bark

The LC 50 was 1.441mg/ml for the ethanol extract and 2.438mg/ml for the hydroethanolic extract. Acute toxicity study showed no mortality and no toxic effect. There were no significant changes in hematological and biochemical parameters levels when compared to control suggesting that LD50 of T. superba bark extract is greater than 2000mg/kg bw.

Phytochemical Screening, Polyphenols Content, Antioxidant

extract shows better polyphenol content than the aqueous extract. M. D. Judith, “´ etude phytochimique et pharmacologique de cassianigricansVhal(caeslpiniaceae)utilis´eedansletraitement Dohou et al., “screening phytochimique d’une end´ emique ib´ero-marocaine,thymelaealythroides,

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