Effects of potassium sulfate [K(2)So(4)] on the element contents, polyphenol content, antioxidant and antimicrobial activities of Milk thistle [Silybum marianum]

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dc.authorid0000-0002-6889-1562
dc.contributor.authorYaldız, Gülsüm
dc.date.accessioned2021-06-23T19:49:16Z
dc.date.available2021-06-23T19:49:16Z
dc.date.issued2017
dc.departmentBAİBÜ, Ziraat Fakültesi, Tarla Bitkileri Bölümüen_US
dc.description.abstractBackground: Silybum marianum L. (Milk thistle) is native to the Mediterranean basin and is now widespread throughout the world. It's sprout is used as a herbal medicine for the treatment of liver disease for centuries. The seeds of milk thistle contain silymarin, an isomeric mixture of flavonolignans [silybin, silychristin, and silydianin]. Silymarin acts as a strong anti-hepatotoxic. Objectives: The objective of this study was to evaluate the influences of potassium sulfate [K2SO4] fertilizer doses on polyphenol content, some nutrient elements, antioxidant and antimicrobial activities of milk thistle at experimental fields of Ordu University in Turkey. Methods: The antimicrobial activities of seed ethanol extracts and seed oil were tested in vitro against Pseudomonas aeruginosa (P aeruginosa), Escherichia colt, (E. coli) Staphylococcus aureus (S. aureus), Aspergillus niger (A. niger) and Candida albicans (C. albicans) using the disc diffusion method. Free radical scavenging activity of the ethanolic extracts of milk thistle was determined spectrophotometrically by monitoring the disappearance of 2, 2-diphenyl-l-picrylhydrazil (DPPH.) at 517 nm according to the method described by Brand-Williams et a.([17])The phenolic contents in the ethanolic extracts of milk thistle were determined according to the procedure described by Slinkard and Singleton[([19]) i with a slight modification of using a Folin-Ciocalteu phenolic reagent. The amount of total flavonoid in the ethanolic extracts was measured by aluminum chloride [AlCl3 colorimetric assay. The ions in aerosol samples were determined by using Dionex ICS 1100 Series ion chromatography. Results: Seed and seed oils obtained from obvious doses of potassium sulfate [0, 30, 60, 90 and 120 kg ha([1]) fertilizer applications showed antimicrobial activities against E. colt, A. niger and P aeruginosa. The application of 90 kg ha([1]) of K2SO4 4 on seed oil resulted in the highest antimicrobial activities. At 100 mu g mL(-1) and 200 mu g mL(-1), except the highest potassium application [120 kg ha(-1)] extract, all extracts showed high and similar DPPH scavenging activity. The highest phenolic compounds were obtained with 30 kg ha-of K2SO4, whereas the use of 60 kg ha-caused the highest total flavonoid content. This plant is a good source of K+, Ca+2, PO4(-3), and Cl-1. Conclusion: In this study, increasing doses of potassium sulfate had significant effect on element, polyphenol content, antioxidant and antimicrobial activities of the milk thistle.en_US
dc.identifier.doi10.4103/0973-1296.197641
dc.identifier.endpage107en_US
dc.identifier.issn0973-1296
dc.identifier.issn0976-4062
dc.identifier.issue49en_US
dc.identifier.pmid28216891en_US
dc.identifier.scopus2-s2.0-85009773842en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage102en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12491/9440
dc.identifier.urihttps://pubmed.ncbi.nlm.nih.gov/28216891/
dc.identifier.volume13en_US
dc.identifier.wosWOS:000393890600018en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorYaldız, Gülsüm
dc.language.isoenen_US
dc.publisherWolters Kluwer Medknow Publicationsen_US
dc.relation.ispartofPharmacognosy Magazineen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAntimicrobial Activityen_US
dc.subjectAntioxidant Activityen_US
dc.subjectElementsen_US
dc.subjectPotassium Sulfateen_US
dc.subjectSilybum Marianumen_US
dc.titleEffects of potassium sulfate [K(2)So(4)] on the element contents, polyphenol content, antioxidant and antimicrobial activities of Milk thistle [Silybum marianum]en_US
dc.typeArticleen_US

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