This study evaluated biomass accumulation and phenolic compound production in seven species (, , , , , , and ) cultivated in vitro under varying growth regulator treatments and culture periods. Shoots were grown on Murashige and Skoog (MS) medium supplemented with benzyladenine (BA) or meta-topoline (mT) and analyzed after 40 and 60 days. MS medium supplemented with 0.
View Article and Find Full Text PDFCorn husks (CHs), major residues of corn production, are generated in large quantities worldwide and represent a promising substrate for biowaste valorization. This study investigated the potential of CHs as a source of phenolic compounds and organic acids through solid-state fermentation (SsF) using Aspergillus niger ATCC 6275 over ten days. Thus, chemical composition was assessed using AOAC protocols, sugar metabolism and organic acid production via HPLC-RID, phenolic profiling by HPLC-DAD-ESI-MS, and antioxidant potential through ABTS, DPPH, FRAP, and CUPRAC methods.
View Article and Find Full Text PDFItalian Riesling is a grapevine () cultivar widely grown in Transylvania vineyards. During the winemaking process, grape pomace (GP) is generated. This study aimed to exploit the potential of the Italian Riesling GP through its composition in polyphenols and fatty acids, as well as its antioxidant activity.
View Article and Find Full Text PDF, a filamentous photosynthetic cyanobacterium, is widely recognized for its high nutritional value, broad spectrum of bioactive compounds, and excellent safety profile, making it a promising natural source for health-promoting applications. This study aimed to profile the phenolic constituents of an ethanolic extract of (EAP) using HPLC-DAD-ESI-MS and to investigate its pharmacological effects in attenuating acute and sub-chronic experimental colitis, as well as its antioxidant and antifungal properties. Colitis was induced in BALB/c mice by intrarectal administration of 2,4-dinitrobenzenesulfonic acid (DNBS), followed by oral administration of EAP at doses of 50, 100, and 200 mg/kg.
View Article and Find Full Text PDFPolycystic ovary syndrome (PCOS), a common and multifactorial endocrine disorder in reproductive-aged women, is strongly associated with insulin resistance (IR) and type 2 diabetes mellitus (T2DM), and also affects up to one in four women with type 1 diabetes mellitus (T1DM). The current study explored the potential of () seed ethanol extract (POEE) to modulate oxidative stress (OS), inflammatory responses, metabolic profiles, and hormonal levels in rat Streptozotocin (STZ)-induced DM and Letrozole (LET)-induced PCOS. Phytochemical analysis measured total phenolic content (TPC) and total flavonoid content (TFC) using HPLC-DAD-ESI MS for compound identification.
View Article and Find Full Text PDFPolycystic ovary syndrome (PCOS) and diabetes mellitus (DM) are prevalent endocrine disorders with overlapping pathophysiological mechanisms. Type 2 diabetes mellitus (T2DM) is commonly associated with PCOS, with both conditions strongly linked to insulin resistance (IR), while recent studies have also reported an increased prevalence of PCOS among women with type 1 diabetes mellitus (T1DM). This study evaluated the potential of L.
View Article and Find Full Text PDFBackground: Grape pomace (GP), a by-product of winemaking, is a rich source of bioactive polyphenols known for their antioxidant and anti-inflammatory properties. While the cardiovascular benefits of red grape pomace have received significant scientific attention, the therapeutic potential of white grape pomace remains largely unexplored, particularly in glucocorticoid-induced hypertension. Given the rising prevalence of hypertension and the oxidative-inflammatory mechanisms underlying its progression, this study investigates the effects of white GP on blood pressure regulation, oxidative stress, and pro-inflammatory cytokine expression in an experimental model of dexamethasone (DEXA)-induced hypertension (HTN).
View Article and Find Full Text PDFis a plant used in folk medicine. Due to its significant polymorphism, there are different chemotypes. This study aimed to characterize the specific chemotypes and evaluate the anti-inflammatory, antioxidant, and antiproliferative potential of an ethanol extract of aerial parts prepared from plants harvested from the "Alexandru Borza" Botanical Garden, Cluj-Napoca, Romania.
View Article and Find Full Text PDFThe powder obtained from rosehip waste can be used as an ingredient in meat products because it contains polyphenolic compounds with preservative and antioxidant effects and carotenoid compounds with a colouring effect. This study aimed to evaluate how partially replacing raw meat with this powder impacts the quality of pork sausages. Therefore, three sausage formulations (PSc-control pork sausages; PS2.
View Article and Find Full Text PDFThis study investigates the phytochemical composition, anti-inflammatory, antioxidant, and antiproliferative activities of and flowers and leaf ethanol extracts in acute rat inflammation model. Polyphenolic compounds were analyzed quantitatively (total phenolic (TPC) and total flavonoids (TFCs)) and qualitatively by HPLC-ESI MS analysis. The antioxidant activity was evaluated in vitro (by DPPH, FRAP, HO, and NO scavenging tests), and in vivo (by total oxidative status (TOS), total antioxidant capacity (TAC), oxidative stress index (OSI), and key oxidative damage markers).
View Article and Find Full Text PDFGrape pomace (GP), the residue left after grape pressing in winemaking, is rich in polyphenols, including flavonoids, tannins, and phenolic acids, which have antioxidant and anti-inflammatory properties. The present study aimed to evaluate the cardioprotective effects of white grape pomace (WGP) extract in two concentrations rich in polyphenols (795 mg polyphenols from WGP/kg body weight (bw) and 397.5 mg polyphenols from WGP/kg bw)), on isoproterenol (ISO)-induced myocardial infarction (MI), focusing on its anti-inflammatory and antioxidant effects.
View Article and Find Full Text PDFItaconic acid (IA) is a highly soluble and stable bio-based chemical with diverse industrial applications, particularly in sustainable material production. Despite the growing demand for bio-based IA, efficient and sustainable production methods remain a challenge, particularly in optimizing fungal fermentation and by-product utilization. This study explores the synergistic use of solid-state fermentation utilizing Aspergillus awamori for enzyme production and hydrolysis, combined with submerged fermentation to optimize IA bioproduction from wheat bran by-products.
View Article and Find Full Text PDFPlant Foods Hum Nutr
January 2025
Honey is a valuable natural product with antioxidant properties, and its quality is influenced by various factors, including botanical origin and biofortification. Pine bud extracts, known for their antioxidant capacity, were explored to enhance the properties of acacia and polyflower honey. This study aimed to investigate the effect of pine bud extracts at different maturation stages on the moisture content, dry matter, antioxidant activity, and total phenolic content (TPC) of acacia and polyflower honey.
View Article and Find Full Text PDFUnlabelled: Honey is abundant in bioactive compounds, which demonstrate considerable therapeutic effects, particularly on oxidative stress and inflammation.
Objectives: This work sought to evaluate the antioxidant mechanisms of Manuka honey (MH) and Ohia Lehua honey (OLH), correlating them with phytochemical analyses in a rat model of experimentally induced inflammation.
Methods: The identification of polyphenolic compounds in the extracts was carried out using HPLC-ESI MS.
Background: Inflammation-induced oxidative stress is a pathophysiological mechanism of inflammatory diseases. Treatments targeting oxidative stress can reduce inflammatory tissue damage.
Objectives: This study aimed to conduct phytochemical analysis and evaluate the antioxidant effects of the hydroalcoholic extract of blossoms () and rhizomes ().
The solid waste generated from processing rosehip fruits into jam is valuable due to its rich content in fibres, polyphenols, and carotenoids; it could be valorised as a functional ingredient in a powder form to enrich food products. This study aimed to test its potential as a value-added ingredient, especially to enrich waffle cones with fibres, polyphenols, and carotenoids. In this regard, four formulations of waffle cones were prepared by partially substituting wheat flour with rosehip waste powder at 0%, 10%, 15%, and 20%, reaching concentrations of 0%, 3.
View Article and Find Full Text PDFThe present study aimed to investigate the effects of the ethanol extract (GPEE) on oxidative stress, inflammation, and metabolic markers in a rat model of streptozotocin-induced diabetes mellitus (DM). Phytochemical analysis using high-performance liquid chromatography coupled with mass spectrometry was performed to measure the total phenolic and flavonoid contents. In vitro antioxidant activity was evaluated through DPPH, FRAP, HO, and NO scavenging tests, and the in vivo effects of the GPEE were assessed in streptozotocin-induced DM rats.
View Article and Find Full Text PDFFood Chem
January 2025
Wheat bran (WB), a byproduct of milling, is rich in bioactive compounds with significant health benefits. This study aimed to enhance the release of phenolic compounds, sugars, and organic acids from WB by integrating ultrasound (UsP) and microwave (MWP) pretreatments with solid-state fermentation (SSF). UsP and MWP disrupted WB cell walls, followed by SSF with Aspergillus niger.
View Article and Find Full Text PDFAntioxidants (Basel)
August 2024
This study aimed to investigate the antioxidant and anti-inflammatory activities mechanism of () and () ethanol extracts in acute rat inflammation induced in Wistar male rats with turpentine oil. The characterization of the polyphenolic compounds in the extracts was conducted using UV-Vis and Fourier-transform infrared spectroscopy and high-performance liquid chromatography coupled with mass spectrometry techniques. The antioxidant activity of the extracts was evaluated in vitro by DPPH, FRAP, HO, and NO scavenging tests and in vivo by measuring the total oxidative status (TOS), total antioxidant capacity (TAC), oxidative stress index (OSI), 8-hydroxy-deoxyguanosine (8-Oxo-dG), advanced oxidation protein products (AOPP), malondialdehyde (MDA), nitric oxide (NO), 3-nitrotyrosine (3NT), and total thiols (SH).
View Article and Find Full Text PDFThis study investigates the anti-inflammatory, analgesic, and antioxidant properties of polyphenols extracted from (cabbage) ethanolic extract (BOE). Given the historical use of cabbage in traditional medicine for treating various ailments, this research aims to validate these effects scientifically. The study involved the characterization of BOE's bioactive compounds using Fourier Transform Infrared Spectroscopy (FTIR) and Liquid Chromatography-Diode Array Detection-Electro-Spray Ionization Mass Spectrometry (HPLC-DAD-ESI MS) analysis.
View Article and Find Full Text PDFOat (Avena sativa) processing generates a large amount of by-products, especially oat bran. These by-products are excellent sources of bioactive compounds such as polyphenols and essential fatty acids. Therefore, enhancing the extraction of these bioactive substances and incorporating them into the human diet is critical.
View Article and Find Full Text PDFPolyphenols are ubiquitous by-products in many plant foods. Their intake has been linked to health benefits like the reduced incidence of cardiovascular disease, diabetes, and cancer. These bioactive compounds can be successfully extracted from mushrooms with acidic water.
View Article and Find Full Text PDFFood Chem X
June 2024
This study aimed to investigate the effect of ancient wheat flour type and sourdough fermentation time on the nutritional, textural and sensorial properties of fiber-rich sourdough bread. The proximate composition, minerals, carbohydrates, organic acids, volatiles, total phenolic content, simulated gastrointestinal digestion, textural and sensorial characteristics were investigated. Bread's minerals, total phenolics, cellulose contents and radical scavenging activity variations clearly indicates an increasing trend with sourdoughs fermentation time.
View Article and Find Full Text PDFEndometriosis is a common gynecological condition with a complex physio-pathological background. This study aimed to assess the role of leaf extract (RiDE) as a potential therapeutic agent in reducing the size of the endometriotic lesions and modulate the plasma expression of MMP-2, MMP-9, and TGF-β1. The endometriotic lesions were induced in a rat model by the autologous transplant of endometrium.
View Article and Find Full Text PDFFoods
January 2024
This investigation aimed to assess the chemical composition and biological activities of bog bilberry ( L.) leaves. Hydroethanolic extracts were obtained using four extraction techniques: one conventional (CE) and three alternative methods; ultrasound (UAE), microwave (MAE) and high-pressure (HPE) extractions.
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