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... The present study was carried out to evaluate and compare in vitro antioxidant (2,2-diphenyl-1-picrylhydrazyl (DPPH), Trolox equivalent antioxidant capacity (TEAC), and ferric reducing antioxidant power (FRAP)), antimicrobial, anticancer activities, and the individual carotenoids and anthocyanins content of methanol extracts of the Cyclamen genotypes: Persian cyclamen accessions (Cyclamen persicum ...
... The antibacterial properties of methanolic haskap (Lonicera caerulea L.) berry extracts and tannic acid were examined against Cronobacter spp. with a view to determine their potential for the control of this human pathogen in powdered infant formula. The total phenolic content (TPC) and composition of methanolic extracts from three different cultivars were determined. Fruit from cultivar Indigo Ge ...
... Aqueous methanolic (20:80) crude extract of the outer peel of Allium ascalonicum (onions) was fractionated into anthocyanin (II), acidic (i.e., phenolic acids, Ia), neutral A (i.e., flavanols, Ib) and neutral B (i.e., flavonols, Ic) phenols using C-18 and hydrophilic-lipophilic balanced (HLB) Co-polymer cartridges. The fractions were analysed for total phenolic, total flavonoids, antibacterial act ...
... Enzymatic acylation of anthocyanin with fatty acid improves its lipophilic solubility and application potential. Nevertheless, evaluation of functional properties of product is premise for application. This study investigated the antimicrobial potential and the underlying mechanisms of an acylated anthocyanin, namely, cyanidin-3-O-glucoside–lauric acid ester (C3G-LA), to provide guidelines for its ...
... AIMS: To phytosynthesize silver nanoparticles (AgNPs) and determine their antibacterial and antibiofilm capacity against gram‐positive and gram‐negative bacterial strains. METHODS AND RESULTS: AgNPs were synthesized using Bothriochloa laguroides aqueous extract as reducing and stabilizing agent. After characterization, a phytochemical screening to the extract and the AgNPs was performed. Antibacte ...
... This study reports a full characterization of the Sicilian sumac, Rhus coriaria L. This fruit represents a potential source of fiber (33.21 ± 1.02%) and unsaturated fatty acids, being the contents of linoleic and α-linolenic acids, 30.82 ± 1.21% and 1.85 ± 0.07%, respectively. In addition, the content of phenolic and total anthocyanin was 71.69 ± 1.23 mg/g as gallic acid equivalents, and 6.71 ± 0. ...
... The present study was conducted to evaluate the antioxidant and antibacterial activity of the extract of leaves and flowering of Marrubium vulgare L. The quantification of total phenols was determined using the Folin-Ciocalteu reagent, it is 2.23 mg EAG/g DM. The identification of flavonoids by the Alcl3 method, revealed the presence of anthocyanins, C-glycosides and aglycones, whose contents are ...
... Colorimetric films are emerging as a facile and effective indicator for freshness monitoring. To meet the versatile demands of consumers, multifunctionality is desirable for the colorimetric films. Here, an antibacterial-antioxidant colorimetric film was developed by incorporating nisin and anthocyanins of pomegranate/Clitoria ternatea (PGA/CTA) into ethylene vinyl alcohol (EVOH) matrix. The precu ...
... Sustainable multifunctional halochromic nanocomposite films (“smart films”) were prepared using a casting method. Natural pigments (saffron or red barberry anthocyanins) and TiO₂ nanoparticles were included in these films as pH-responsive color indicators and for light blocking, respectively, as well as for their other functional attributes. The film matrix was constructed from a network of crossl ...
... A visual Polyvinylidene Fluoride (PVDF) fibrous film incorporated with Roselle anthocyanin (RS) and Cinnamon essential oil (CEO) (PRC film) was designed via electrospinning technology for pork preservation and freshness monitoring. The PRC film presented well structural integrity and stability in buffer solutions without leaking out RS. And PCR film had well hydrophobic and high permeability with ...
... BACKGROUND: Strawberry is a nutrient-rich and important small fruit because of its high content of beneficial phytochemicals and several vitamins like vitamin C, vitamin E and vitamin B6. However, strawberry is highly perishable due to its susceptibility to mechanical damage, microbiological decay, and softening in texture. Recently, there has been an increasing interest in using various essential ...
... Selection of transgenic plants by using genes encoding screenable markers of plant origin with health benefit properties, such as anthocyanin is an important aim in plant genetic engineering. In this study, Malus domestica MYB10 (MdMYB10) gene, was used for Agrobacterium tumefaciens-mediated transformation of two SBS-02 and SBS-04 sugar beet lines. The impact of different light regimes on plant ti ...
... Ferulic acid (FA) is a natural antioxidant with antimicrobial activity and its application is restricted due to poor water solubility. To overcome this limitation, FA was entrapped into cyclodextrin nanosponges (CD-NSs). The antibacterial activity of FA was assessed using the microdilution method which showed a higher antibacterial activity after encapsulation. A controlled release of FA was obser ...
... A colorimetric cellulose acetate (CA) membrane incorporated with Perilla frutescens (L.) Britt. anthocyanins (PFA) and chamomile essential oil (CO) is developed via electrospinning technique for food freshness monitoring and shelf-life extending. The moieties of PFA and CO are well-dispersed in fiber matrix by hydrogen bonds and their incorporation increases the fiber size but with no obvious infl ...
... This study researched the action mode of cranberry anthocyanin (CA) against Staphylococcus aureus and the effect of CA on the counts of S. aureus and the quantity of cooked meat during storage. The antibacterial effect was assessed by minimum inhibitory concentration (MIC) and survival populations of S. aureus strains after CA treatments. The changes in intracellular adenosine 5′-triphosphate (ATP ...
... This study aimed to evaluate the antibacterial activity and mechanism of action of Aronia melanocarpa anthocyanins (AMAs) against Escherichia coli. AMAs displayed strong antibacterial activity against Escherichia coli. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of AMAs against E. coli was 0.625 mg/mL and 1.25 mg/mL, respectively. Analysis of alkaline ph ...
Laima Česonienė; Juozas Labokas; Ina Jasutienė; Antanas Šarkinas; Vilma Kaškonienė; Paulius Kaškonas; Rita Kazernavičiūtė; Aistė Pažereckaitė; Remigijus Daubaras
Lonicera caerulea; anthocyanins; antibacterial properties; antioxidant activity; antioxidants; ascorbic acid; citric acid; cultivars; health promotion; oxalic acid; raw materials
Abstract:
... The aim of the study was to evaluate 11 cultivars of blue honeysuckle (Lonicera caerulea L.) for bioactive compounds, antioxidant capacity, and the antibacterial activity of berries. Total phenolic contents (TPCs) and total anthocyanin contents (TACs) were established by using ethanolic extracts. For contents of organic acids and saccharides, aqueous extracts were used, and vitamin C was determine ...
JEFF M. OPEÑA; CHARLOT L. MARAMAG; CALIXTO B. ALICAY; MARVIN V. BALOLOY; CLARIBEL A. GASPAR; FROILAN A. PACRIS JR.; JEAN S. TORRES; LYLE B. SUMER; GERLIE U. BAYANI; RACHEL C. SOTTO
... Opeña JM, Maramag CL, Alicay CB, Baloloy MV, Gaspar CA, Jr Pacris FA, Torres JS, Sumer LB, Bayani GU, Sotto RC. 2021. Biological and environmental profiling of three Philippine Tetrastigma species (Vitaceae) in northeastern Cagayan, Luzon, Philippines. Biodiversitas 22: 2956-2970. Tetrastigma species have considerable attention because of their medicinal importance, but little is known about these ...
... Black chokeberry (Aronia melanocarpa (Micht.) Elliot) is a great dietary source of a wide range of biologically active compounds, such as anthocyanins, flavonoids, other phenolic compounds, vitamins, and minerals that have a wide range of health benefits.Here we provide an overview of the in vitro and in vivo effects of A. melanocarpa extracts to reveal its potential anti-aging properties in terms ...
... Hibiscus sabdariffa L. (H.s.) is a polyphenolic-rich plant commonly consumed either as a beverage or spice. The aim of the present study was to evaluate the in vitro digestibility of H.s. polyphenols using an in vitro model of digestion which simulates the human stomach and small intestine. The bioaccessible polyphenols released in the digested samples were analyzed by liquid chromatography couple ...
... The recent upsurge of antibiotic-resistant infections has posed to be a serious health concern worldwide. In the present paper, the effect of shape & capping agent on the antibacterial activity (on Skin and Urinary Tract Infection (UTI) causing bacteria) of copper iodide (CuI) particles was probed. CuI synthesized without a capping agent was leaf-like, and that with one was prismatic in shape. XRD ...
... The fruit of mulberry trees (Morus sp.), mulberries, are traditionally utilised as a nutritional food and provide health benefits as well as skin nourishment in Thailand. White mulberries (Morus alba L.) from Chiang Mai and Mae Hong Son provinces were evaluated for their antioxidant and antibacterial activities. The antioxidant activities as well as the total phenolic, flavonoid and anthocyanin co ...
... Deep exploitation and utilization of renewable industrial crops as the source of eco-friendly and cost-effective natural reductant has becoming an efficient approach to green synthesis of silver nanoparticles (Ag NPs). In this study, an eco-friendly approach for producing durable antibacterial textile based on in situ green synthesis and deposition of Ag NPs on carboxymethyl chitosan (CMCTS) modif ...
... The roselle anthocyanin extracts (RAE) were immobilized into polyvinyl alcohol (PVA)/hydroxypropyl methylcellulose (HPMC) film matrix, their interaction behavior and mechanism was fully understood for better shrimp freshness monitoring. Structural characterizations revealed RAE was firmly immobilized PVA/HPMC matrix by hydrogen bonds. With increasing RAE contents, dramatic increases of film thickn ...
... The current work aims to prepare biologically active and pH responsive smart films based on Chitosan (CS)/Methylcellulose (MC) matrix integrated with Phyllanthus reticulatus (PR) ripen fruit anthocyanin. The prepared smart films (CMPR) were fabricated through a cost–effective solvent casting technique. The existences of secondary interactions were confirmed by the FT–IR analysis. The smooth SEM im ...
Roberta Barreto de Andrade; Bruna Aparecida Souza Machado; Gabriele de Abreu Barreto; Renata Quartieri Nascimento; Luiz Claudio Corrêa; Ingrid Lessa Leal; Pedro Paulo Lordelo Guimarães Tavares; Ederlan de Souza Ferreira; Marcelo Andrés Umsza-Guez
... In this study, we evaluated the effects of ultrasound-assisted extraction (UAE) under different time-temperature conditions on the content of bioactive compounds, antioxidant and antimicrobial activities of Syrah grape skin residue. The application of UAE showed a positive effect on the extraction of total flavonoids, and a negative effect on total polyphenols. The temperature of 40 °C and 60 °C w ...
... Solanaceae plants have been used as traditional medicines in Mizoram, India. This warrants the presence of therapeutic compounds and various bioactive phytochemicals in these plants, and characterizing their structures could lead to a possible focus for drug development.Solanaceae plants are incredible sources of proteins and minerals; some even have high medicinal values which has been recognized ...
... pH-sensitive and antibacterial films based on chitosan/polyvinyl alcohol/nano-ZnO (CPZ) containing anthocyanins extracted from purple potato (PPE) or roselle (RE) were developed. When incorporated with PPE or RE, the moisture contents and flexibility of film significantly reduced (P < 0.05), while mechanical resistance of film was significantly enhanced (P < 0.05). Water vapor permeability (WVP) o ...
Marilene M. M. Ambadiang; Brice C. K. Atontsa; Simplice B. Tankeo; Paul Nayim; Brice E. N. Wamba; Gabin T. M. Bitchagno; James D. S. Mpetga; Veronique B. Penlap; Victor Kuete
Cassia sieberiana; Enterobacter aerogenes; Escherichia coli; Klebsiella pneumoniae; Providencia stuartii; Pseudomonas aeruginosa; alternative medicine; anthocyanins; anthraquinones; antibacterial properties; bark; bark extracts; cell growth; chemical constituents of plants; chromatography; methanol; morbidity; mortality; multiple drug resistance; nuclear magnetic resonance spectroscopy; polyphenols; saponins; secondary metabolites; triterpenoids
Abstract:
... BACKGROUND: Multidrug-resistant (MDR) bacteria remain a major cause of morbidity and mortality globally. The present study was designed to investigate the in vitro antibacterial activities of crude methanol extract and constituents isolated by Column Chromatography (CC) from Cassia sieberiana bark (CSB) against ten MDR Gram-negative bacteria, as well as the mechanisms of action of the most active ...
... Heather (Calluna vulgaris (L.) Hull.) is noted for a diverse chemical composition and a broad range of biological activity. The current study was aimed at monitoring changes in the accumulation of certain groups of phenolic compounds in various organs of heather (leaves, stems, roots, rhizomes, flowers, and seeds) at different growth stages (vegetative, floral budding, flowering, and seed ripening ...
... The cultivation of native corn has decreased in favor of the cultivation of improved commercial corn varieties. This study seeks to evaluate the antioxidant and antibacterial potential of 36 samples of native corn germplasm from the Brunca (BR) and Chorotega (CR) regions of Costa Rica. The main parameters of comparison were the composition of antioxidant compounds, antiradical activity, and microb ...
Luigia Sabatini; Daniele Fraternale; Barbara Di Giacomo; Michele Mari; Maria Cristina Albertini; Belén Gordillo; Marco Bruno Luigi Rocchi; Davide Sisti; Sofia Coppari; Federica Semprucci; Loretta Guidi; Mariastella Colomba
... Prunus spinosa L. (from Italy) fruit ethanol extract (40 µg/mL) was assessed by evaluating the antioxidant, anti-inflammatory and antimicrobial activities against five bacterial and two fungi ATCC strains. Moreover, the phenolic profile was also investigated and results are indicative of an intense anthocyanin accumulation which may be responsible for the antioxidant properties revealed by the DPP ...
Vanessa Silva; Rupesh Kumar Singh; Nelson Gomes; Bruno Gonçalves Soares; Adriana Silva; Virgílio Falco; Rosa Capita; Carlos Alonso-Calleja; José Eduardo Pereira; Joana S. Amaral; Gilberto Igrejas; Patrícia Poeta
... Chitosan, a natural polysaccharide, has been previously proposed as an elicitor in plants to prevent pathogen infections. The present study aimed to analyze the effect of chitosan solution and chitosan nanoparticles treatment applied on the grapevine variety Sousão with respect to the phenolic composition, antioxidant potential and antibacterial activity of its individual grape components. Grapevi ...
... To improve structural characteristics of clays and neem leaf powder (NLP)/clay composites, nanosilica was used as an addition upon mechanical treatment. This results in composites with natural nanostructured materials (NNM) possessing improved structural characteristics and bioactivity. The blends based on NNM with crystalline kaolinite alone and kaolinite/α-quartz or calcite/α-quartz + clay and a ...
... In this study, a series of multifunctional bionanocomposite films (KCZ-MAE) based on konjac glucomannan (KGM)/chitosan (CS) (KC) with Nano-ZnO and mulberry anthocyanin extract (MAE) were prepared by a solution casting method. Effects of Nano-ZnO and/or MAE on rheology of film-forming solutions (FFS), physicochemical properties and functional properties of the KC biocomposite films were systematica ...
... On the basis of Phoenix dactylifera L. seeds, the effect of acetone, ethanol, and water on total phenolic content (TPC), total flavonoid content (TFC), total anthocyanin content (TAC), and antibacterial activity against Listeria monocytogenes, Staphylococcus aureus, Salmonella enterica, and Escherichia coli was examined. Here, the augmented simplex‐centroid mixture design was implemented. All the ...
... An active and intelligent film was developed by immobilizing red cabbage anthocyanins (RCA) into an oxidized-chitin nanocrystals (O-ChNCs)/konjac glucomannan (KGM) matrix. O-ChNCs were selected as a host complex to anchor RCA and were considered as a reinforcement filler in the films. Zeta-potential, Fourier-transform infrared spectroscopy, X-ray diffraction, rheology, and release results revealed ...
... Berries of Vaccinium meridionale Swartz contain a variety of phytochemicals, which are believed to account for their bioactive properties. The potential of Vaccinium meridionale Swartz pomace as a source of bioactive compounds was investigated. The dietary fiber (DF) content was assessed by the AOAC method, phenolic compounds were characterized and quantified via HPLC-PDA and UPLC-QTOF-MS. The in ...
... This study was carried out to screen the amount and the classes of secondary metabolites and to evaluate the antioxidant, cytotoxic, antifungal, and antibacterial activities of the methanolic, ethanolic, and water extracts of the roots, leaves, and flowers of Nepeta juncea Benth. The results show that the highest total phenol (69.54 ± 0.31 mg gallic acid equivalents (GAE)/g dry weigh ...
Alejandra Isabel Vargas-Segura; Sonia Yesenia Silva-Belmares; Elda Patricia Segura-Ceniceros; Juan Alberto Ascacio-Valdés; Luis Méndez-González; Anna Ilyina
... The aim of the present study was to perform a screening of extracts obtained from 15 medicinal plants using water (at 25 and 90 °C) or ethanol (at 25 °C), to bactericidal activity against cariogenic S. mutans ATCC 25175, as well as to carry out the preliminary phytochemical characterization of the extracts and HPLC/MS assay for selected extracts. The extractions were carried out for 5 h at 400 rpm ...
... A novel green route was explored for production of multifunctional cotton fabric involving simultaneous dyeing and deposition of silver nanoparticles (Ag NPs) on cellulose fiber. In the preparation process, Ag NPs were simultaneously synthesized and deposited on the fabric through in situ synthesis using silver nitrate and black rice aqueous extract without other chemicals. In this work, black ric ...
... The objective of this study was to evaluate the antibacterial effect of Chinese wild blueberry extract and its fractions against Listeria monocytogenes, Staphylococcus aureus, Salmonella Enteritidis, and Vibrio parahaemolyticus. Chinese wild blueberry (Vaccinium uliginosum) crude extract (BBE) was obtained using methanol extraction, and sugars plus organic acids (F1), phenolics fraction (F2), and ...
active ingredients; air temperature; anthocyanins; antibacterial properties; antioxidant activity; bioactive compounds; color; dry matter content; food industry; fruit juices; gum arabic; hygroscopicity; maltodextrins; polyphenols; powders; saccharification; spray drying; storage temperature; water activity
Abstract:
... Chokeberry juice is used in the food industry because of its antioxidant activity as well as anti-diabetes, anti-mutagenic, bacteriostatic, anti-inflammatory and anti-virus properties. However in a liquid form its active ingredients can be unstable, so conversion into powder form is required. To improve the quality of the final product and extend information about the properties of chokeberry powd ...
... The leaf of the Japanese wild cherry, Prunus Sato-zakura Group, especially ‘Oshima-zakura’, releases volatile organic compounds (VOCs) such as polysaccharides or coumarin from the leaves or fruits. These substances have a pleasant smell and exert a bactericidal effect. However, little information is available on the maturation and development of fragrant ingredients in ‘Oshima-zakura’ fruit. In th ...
active ingredients; anthocyanins; antibacterial properties; cyanidin; food pathogens; fruit extracts; growth curves; phenolic acids; quercetin; ultraviolet-visible spectroscopy
Abstract:
... Bayberries are important sources of phytochemicals. In this paper, the active substances of bayberry extract (BE) were investigated, and based on this, the inhibitory effects of BE on the six tested food-borne pathogens were futher evaluated. Finally, the main antibacterial components in the extracts were identified by UV-Vis absorption spectroscopy, UPLC-UV spectrum and UPLC-ESI-MS. The results s ...
... The main foodborne pathogens are Norovirus, Enteric parasites, bacteria and fungi. Foodborne diseases can lead to high morbidity and mortality and result in huge economic losses. Some foodborne diseases are associated with antibiotic resistance, which is a significant problem throughout the world. To reduce the harm caused by antibiotics, it is important to find alternatives so that food is not in ...
... The use of antioxidants and antibacterials in food industry has become increasingly necessary to ensure the high quality of food. Grape pomace is the main by-product of winemaking industry that concentrates bioactive metabolites with more studied antioxidant activity and possible antibacterial activity. The grape pomace contains fragmented skin, broken cells, pulp remains, stalks and seeds with hi ...
Euterpe edulis; anthocyanins; antibacterial properties; antioxidant activity; bioeconomics; byproducts; chemical composition; cyanidin; flavonols; flavor; flour; fruit pulp; fruits; hepatotoxicity; nutritive value; phenolic acids; rain forests; Brazil
Abstract:
... The pulp of the fruits of Juçara (Euterpes edulis Martius), a native tree of the Atlantic Rainforest of Brazil, is widely consumed thanks to its flavour and nutritional value. The industrial production of Juçara fruit pulp generates solid residues (peel) which are usually discarded. In this work, a hydroalcoholic extract from Juçara peel flour was evaluated for its phenolic profile as well as for ...
... Cranberries (Vaccinium spp.) are rich sources of phytochemicals, but their bioactivity depends on cultivar, harvesting time, processing, or extraction procedure. Thus, a wider variety of subspecies needs to be characterized, and the effects of treatments prior to consumption or extraction need to be determined. This study aims to phytochemically characterize pre-treated (fresh, frozen, and dried) ...
... The need for some economic strategies for increased growth and nutraceuticals of medicinal plants is well acknowledged now. It was hypothesized that external magnetic field treatment (MFT) of seeds affecting internal magnet of cells may affect growth and metabolism. In this study, seeds were subjected to pre-sowing magnetic field (50 mT at 5 mm for 5 s). At vegetative stage, the leaf growth, chlor ...