Jakub W. Strawa

ORCID: 0000-0001-7133-1817
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Research Areas
  • Phytochemicals and Antioxidant Activities
  • Phytochemistry and Biological Activities
  • Natural product bioactivities and synthesis
  • X-ray Diffraction in Crystallography
  • Crystallization and Solubility Studies
  • Silymarin and Mushroom Poisoning
  • Pomegranate: compositions and health benefits
  • Phytochemistry and Bioactive Compounds
  • Bee Products Chemical Analysis
  • Phytochemical Studies and Bioactivities
  • Natural Antidiabetic Agents Studies
  • Plant Toxicity and Pharmacological Properties
  • Herbal Medicine Research Studies
  • Gastrointestinal motility and disorders
  • Complementary and Alternative Medicine Studies
  • Flavonoids in Medical Research
  • Cholinesterase and Neurodegenerative Diseases
  • Sesquiterpenes and Asteraceae Studies
  • Oral microbiology and periodontitis research
  • Bioactive natural compounds
  • Genomics, phytochemicals, and oxidative stress
  • Wound Healing and Treatments
  • Salivary Gland Disorders and Functions
  • Connective tissue disorders research
  • Chemical Synthesis and Reactions

Medical University of Białystok
2016-2025

Introduction For centuries, various species from the genus Alchemilla have been utilized in traditional medicine worldwide. Among them, vulgaris L. (Rosaceae) stands out as a promising herbal drug candidate due to its phytochemicals displaying anti-inflammatory and antioxidant properties. Methods In our study, we investigated interaction between human gut microbiota lady’s mantle herb extract (AV) following biotransformation of extract’s constituents their impact on colorectal cancer cells...

10.3389/fphar.2025.1504787 article EN cc-by Frontiers in Pharmacology 2025-01-22

Abstract Propolis and Bacopa monnieri (L.) Wettst. (Brahmi) are natural products that contain many active substances possess anticancer properties. The aim of this study was to investigate the chemical composition Polish propolis extract (PPE) by gas chromatography-mass spectrometry (GC–MS), B. extracts (BcH, BcS) high performance liquid chromatography with diode array detector mass coupled electrospray ionization (LC–ESI–MS) finally determine its anti-proliferative potential combined BcH...

10.1038/s41598-020-78014-w article EN cc-by Scientific Reports 2020-12-03

Helichrysum italicum is a plant traditionally used for skin-related disorders that becoming an increasingly popular ingredient in cosmetic products. In this work, "green" ultrasound-assisted extraction method H. phenolics was developed using skin-friendly cyclodextrins (CDs). Extraction conditions needed the greatest yield of target compounds (total phenolics, phenolic acids, and flavonoids) were calculated. The composition extracts determined LC-MS spectrophotometric methods. Among tested...

10.3390/metabo13020257 article EN cc-by Metabolites 2023-02-09

In this report, we discuss the effects of undescribed flavone derivatives, HZ4 and SP9, newly isolated from aerial parts Hottonia palustris L. Scleranthus perennis on membranes. Interaction flavonoids with lipid bilayers is important for medicinal applications. The experiments were performed FTIR NMR techniques liposomes prepared DPPC (dipalmitoylphosphatidylcholine) EYPC (egg yolk phosphatidylcholine). data showed that examined polyphenols incorporate into polar head group region...

10.3390/ijms242015275 article EN International Journal of Molecular Sciences 2023-10-17

Various phytochemical studies have revealed that jackfruit (Artocarpusheterophyllus Lam.) is rich in bioactive compounds, including carotenoids, flavonoids, volatile acids, tannins, and lectins. The aim of the study was to analyze biological activity water-soluble polysaccharide (WSP) isolated from assess its immunomodulatory, cytotoxic, anti-oxidative effects on human colon carcinoma cells vitro. neutral red (NR) uptake assay no toxic influence polymer viability tumor (HT29 SW620). After 24...

10.3390/plants9010103 article EN cc-by Plants 2020-01-14

The effects of different extracts obtained from Jasione montana L. (JM1–JM6) and their main metabolites on biological processes during wound healing were evaluated. effect closure in the scratch test was established, collagen type I synthesis anti-inflammatory assessed by flow cytometry a human dermal fibroblast model (PCS-201-012). Additionally, antioxidant activity (DPPH FRAP) degree inhibition elastase participating proliferation skin fibroblasts determined an vitro model. fractions...

10.3389/fphar.2022.894233 article EN cc-by Frontiers in Pharmacology 2022-05-10

Despite the common use of Potentilla L. species (Rosaceae) as herbal medicines, a number still remain unexplored. Thus, present study is continuation evaluating phytochemical and biological profiles aqueous acetone extracts from selected species. Altogether, 10 were obtained aerial parts P. aurea (PAU7), erecta (PER7), hyparctica (PHY7), megalantha (PME7), nepalensis (PNE7), pensylvanica (PPE7), pulcherrima (PPU7), rigoi (PRI7), thuringiaca (PTH7), leaves fruticosa (PFR7), well underground...

10.3390/ijms24054836 article EN International Journal of Molecular Sciences 2023-03-02

The isolation of phenolics from aerial parts Corispermum marschallii yielded a total 13 compounds including nine previously undescribed patuletin and spinacetin glycosides. These were identified as 3- O-β-d-galactopyranosyl-7- O-β-d-glucopyranoside (1), (2), O-(6″- O-β-d-glucopyranosyl)-β-d-galactopyranoside (3), O-α-l-arabinopyranosyl)-β-d-galactopyranoside (4), O-(2″- O-(5‴- O-α-l-arabinopyranosyl)-β-d-apiofuranosyl)-β-d-galactopyranoside (5), O-β-d-apiofuranosyl)-β-d-galactopyranoside...

10.1021/acs.jnatprod.8b00152 article EN Journal of Natural Products 2018-08-15

Previously, we have revealed that prolonged administration of a polyphenol-rich 0.1% extract from the berries Aronia melanocarpa L. (chokeberries) alone and under chronic exposure to cadmium influences body status zinc (Zn) copper (Cu). The aim this study was evaluate, in an vitro model, chelating properties (0.05% 0.1%) its main polyphenolic ingredients (cyanidin 3-O-β-galactoside, chlorogenic acid, neochlorogenic (+)-catechin, (−)-epicatechin, quercetin, kaempferol) regarding divalent ions...

10.3390/molecules25071507 article EN cc-by Molecules 2020-03-26

Jasione montana L. (Campanulaceae) is used in traditional Belarusian herbal medicine for sleep disorders children, but the chemical composition and biological activity have not been investigated. In this study, activities of J. extracts, their fractions main compounds were evaluated amelanotic melanoma C32 (CRL-1585) cells normal fibroblasts (PCS-201-012). The extracts analyzed using liquid chromatography-photodiode array detection-electrospray ionization-mass spectrometry...

10.3390/ijms22073345 article EN International Journal of Molecular Sciences 2021-03-25

Four new compounds, 5-hydroxy-2',6'-dimethoxyflavone (4), 5-hydroxy-2',3',6'-trimethoxyflavone (5), 5-dihydroxy-6-methoxyflavone (6), and 5,6'-dihydroxy-2',3'-dimethoxyflavone (7), three known 1,3-diphenylpropane-1,3-dione (1), 5-hydroxyflavone (2), 5-hydroxy-2'-methoxyflavone (3), were isolated from the aerial parts of Hottonia palustris. Their chemical structures determined through use spectral, spectroscopic crystallographic methods. The quantitative analysis compounds (1-7) zapotin (ZAP)...

10.3390/molecules27144415 article EN cc-by Molecules 2022-07-10

The aim of this study was to determine the anti-tumor activity extracts isolated from Potentilla alba L. on human colon cancer cells HT-29 line and non-cancer epithelial CCD 841 CoTr line. research methods we used cytotoxic proliferative properties were 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) neutral red (NR) assays, ability produce nitric oxide, Griess method, biochemical like 2,2-diphenyl-1-picrylhydrazyl (DPPH) ferric reducing antioxidant power (FRAP) indicating...

10.3390/molecules25133080 article EN cc-by Molecules 2020-07-06

Rosemary extract (RE) and lemon balm (LBE) attract particular attention of pharmacists due to their high therapeutic potential. Osteogenesis imperfecta (OI) type I is a heritable disease caused by mutations in collagen characterized its reduced amount. The aim the study was evaluate effect extracts rosmarinic acid (RA) on level OI skin fibroblasts. Phytochemical analysis RE LBE carried out liquid chromatography–photodiode array detection–mass spectrometry. expression at transcript protein...

10.3390/pharmaceutics13070938 article EN cc-by Pharmaceutics 2021-06-23

In the present study, hydrogels containing dried extract of tormentil ( Potentilla erecta (L.) Raeusch., Rosaceae) were designed and qualitatively evaluated regarding their viscosity, thixotropy, texture properties. As mucoadhesiveness is a crucial factor determining drug retention within oral cavity, mucoadhesive properties expressed as work adhesion maximum detachment force under presence porcine buccal mucosa two different models layers: mucin gelatin discs evaluated. The fingerprints...

10.1177/1934578x1701200328 article EN Natural Product Communications 2017-03-01

The mixture of three phytosterols (campesterol, stigmasterol and β-sitosterol), β-sitosterol 3-O-glucoside syringin were isolated from hexane methanol extract Cirsium rivulare roots after chromatographic separation. main component the source was which obtained with yield 0.08% dry source. In extract, qualitative quantitative composition fatty acids determined. predominant linoleic acid (23.31 mg/g extract). extracts showed antioxidant activity. ability to scavenge DPPH• free radical in...

10.1080/14786419.2016.1138303 article EN Natural Product Research 2016-01-28

Cinquefoils have been widely used in local folk medicine Europe and Asia to manage various gastrointestinal inflammations and/or infections, certain forms of cancer, thyroid gland disorders, wound healing. In the present paper, acetone extracts from aerial parts selected Potentilla species, namely P. alba (PAL7), argentea (PAR7), grandiflora (PGR7), norvegica (PN7), recta (PRE7) , closely related Drymocalis rupestris (syn. ) (PRU7), were analysed for their cytotoxicity antiproliferative...

10.3389/fphar.2022.1027315 article EN cc-by Frontiers in Pharmacology 2022-09-29

Comfrey root (Symphytum officinale L., Boraginaceae) has been used in folk medicine for a long time to treat different diseases. It is recommended swellings, phlebitis, contusions, gastro-duodenal ulcers, respiratory diseases, and metrorrhagia. Currently, preparations from S. are only topically due its wound-healing effects, reducing inflammation the treatment of broken bones, tendon damage, painful joints muscles. Although it widespread plant material, little known about interaction...

10.1016/j.jep.2023.116968 article EN cc-by Journal of Ethnopharmacology 2023-07-26
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