We focused on preparing cellulose nanofibrils by purification, separation, and mechanical treatment of Kombucha membranes (KM) resulted as secondary product from beverage production fermentation tea broth with symbiotic culture bacteria yeast (SCOBY). purified KM using two alkaline solutions, 1 4 M NaOH, which afterwards were subjected to various treatments. Transmission electron microscopy (TEM), scanning (SEM), dynamic light scattering (DLS), X-ray diffraction (XRD), fluorescence (XRF),...

This review outlines the responsive polymer methods currently in use with their potential application to plant protection and puts forward plant-specific mechanisms as stimuli newly devised for smart release of crop agents (CPAs). CPAs include chemicals (fungicides, insecticides, herbicides), biochemicals (antibiotics, RNA-based vaccines viruses), semiochemicals (pheromones, repellents, allomones), microbial pesticides, growth regulators (insect plant) or micronutrients, all effects....

The hydrolysis of keratin wastes by microorganisms is considered a biotechnological alternative for recycling and valorization through keratinolytic microorganisms. Despite their resistant structure, can be efficiently degraded various the secretion keratinases, which are promising enzymes several applications, including detergents, fertilizers, leather textile industry. In an attempt to isolate that reach commercial exploitation as keratinase producers, current work assesses dynamics...

The bioavailability of pollen bioactive compounds for humans is limited. In this study, our aim was to enhance the health-related benefits by fermentation with a Kombucha/SCOBY (symbiotic culture bacteria and yeasts) consortium. We performed suspended from beginning SCOBY on sweetened green tea or Kombucha vinegar, adding after 20 days fermentation. analyzed: formation (anti-oxidant polyphenols, soluble silicon, hydroxy-acids, short chain fatty acids-SCFA); parameters related (dynamics...

Cystoseira barbata is an edible brown seaweed, traditionally used in the Black Sea area as functional food. Both alginate and seaweed biomass are well known for their potential use adsorbents heavy metals. Alginate was extracted from C. recovered Romanian coast on with a yield of 19 ± 1.5% (w/w). The structural data polysaccharide obtained by HPSEC-MALS, 1H-NMR. M/G ratio determined to be 0.64 molecular weight 126.6 kDa intrinsic viscosity 406.2 mL/g. beads were adsorption capacity respect...

Environmental contamination, extensive exploitation of fuel sources and accessibility natural renewable resources represent the premises for development composite biomaterials. These materials have controlled properties, being obtained through processes operated in mild conditions with low costs, contributing to valorization byproducts from agriculture industry fields. A novel board including lignocelullosic substrate as wheat straws, fungal mycelium polypropylene embedded bacterial spores...

Abstract Two chitosan extracts were prepared by chemical and enzymatic treatment of Ganoderma lucidum mushroom, as an alternative source to crustacean shells. The molecular weight the extract was lower than that one shrimp chitosan, determined viscosity measurements. Characteristic signals identified in 1 H‐NMR spectra high deacetylation degree indicated good physico‐chemical properties for both mushroom extracts. scavenging capacity moderate against synthetic radicals...

Abstract Chitosan is a biopolymer originating from renewable resources, with great properties which make it an attractive candidate for plenty of applications contemporary interest. By manufacturing chitosan into nanofibers using the electrospinning method, its potential amplified due to enhancement active surface and low preparation cost. Many attempts were made aim preparing chitosan-based controlled morphology targeting their use tissue engineering, wound healing, food packaging, drug...

The influence of spore concentration on the ability a Trichoderma consortium to colonize Passiflora caerulea phyllosphere was evaluated by determining effects foliar treatments with two concentrations, in repeated treatments, morphological, physiological, and ultrastructural characteristics, yield quality P. caerulea. studied crop features were related its nutraceutical use: accumulation polyphenols flavonoids, antioxidant activity, mouse fibroblast L929 cells. consisted strains, T....

Cellulose nanofibers gained increasing interest in the production of medical devices such as mucoadhesive nanohydrogels due to their ability retain moisture (high hydrophilicity), flexibility, superior porosity and durability, biodegradability, non-toxicity, biocompatibility. In this work, we aimed compare suitability selected bacterial vegetal nanocellulose form hydrogels for biomedical applications. The cellulose were synthesized from brewer's spent grains (BSG) kombucha membranes,...

This study aimed to evaluate the impact on Chlorella sorokiniana NIVA-CHL 176 growth and plant biostimulant functions of microalgal extract strigolactone mimic SL-6, in com-parison with analog GR24. Three molar SL-6 concentrations were tested: 10-7 M, 10-8 10-9 respectively. Five parameters assessed: optical density, turbidity, biomass production, chlorophyll fluorescence, pigment concentration. Results after 15 days culturing revealed that treatments significantly enhanced bio-mass...

This study aimed to evaluate the impact of a more cost-efficient strigolactone mimic SL-6 on Chlorella sorokiniana NIVA-CHL 176 growth in comparison with analog GR24 and plant biostimulant functions microalgal extracts. Three molar concentrations were tested: 10−7 M, 10−8 10−9 respectively. Five parameters assessed: optical density, turbidity, biomass production, chlorophyll fluorescence, pigment concentration. Results after 15 days culturing revealed that treatments significantly enhanced...

In the present study, we evaluated for first time photoprotective effect of fish bone bioactive peptides (FBBP) preparation isolated from silver carp (Hypophthalmichthys molitrix) discarded tissue using in vitro experimental models skin cells exposed to ultraviolet B (UVB) irradiation and stressing agents. FBBP was obtained by papain treatment minced bones centrifugal ultrafiltration, molecular weight (MW) distribution characterized size exclusion reversed-phase high performance liquid...

Rapeseed meal (RSM), a by-product of oilseed extraction connected to the agri-food and biofuel sectors, is currently used as animal feed for other low-value purposes. With biorefinery approach, RSM could be valorized source bio-based molecules high-value applications. This study provides chemical characterization in perspective its valorization. A qualitative main functional groups by fourier transform infrared (FTIR) spectroscopy was integrated with macronutrients, minerals inductively...

Biogenic selenium nanoparticles (SeNPs) have been shown to exhibit increased bioavailability. Fermentation of pollen by a symbiotic culture bacteria and yeasts (SCOBY/Kombucha) leads the release content enhances prebiotic probiotic effects Kombucha. The aim this study was fortify Kombucha beverage with SeNPs formed in situ fermentation pollen. Response Surface Methodology (RSM) used optimize biosynthesis pollen-fermented beverage. were characterized Transmission electron microscopy...

The formation of biogenic selenium nanoparticles (SeNPs) through microbial activities is a promising technique that can contribute to the development reliable, non-toxic and environmentally friendly synthesis methods. Among these, under optimal conditions, myconanotechnology confers particular characteristics due generation bioactive fungal metabolites with various bioactivities. formed SeNPs are known be stabilized by biomolecules microorganism, forming so-called bio-corona or capping...

Seed coating ensures the targeted delivery of various compounds from early stages development to increase crop quality and yield. Silicon alginate are known have plant biostimulant effects. Rice husk (RH) is a significant source biosilica. In this study, we coated mung bean seeds with an alginate-glycerol-sorbitol (AGS) film embedded biogenic nanosilica (SiNPs) RH, activity. After dilute acid hydrolysis ground RH in temperature-controlled hermetic reactor, resulting substrate was neutralized...

Nanosized zinc oxide (ZnO) particles modified with different silane coupling agents (octyltriethoxysilane (OTES), octadecyltriethoxysilane (ODTES) and (3-glycidyloxypropyl)trimethoxysilane (GPTMS)) were synthesized in basic catalysis using the sol-gel method. The structure morphology characterized by dynamic light scattering (DLS), environmental scanning electron microscopy (ESEM) Fourier transform infrared spectroscopy (FTIR) for bonding characteristics. final hybrid materials deposited on...

Novel fluorescent strigolactone derivatives that contain the piperidine-substituted 1,8-naphthalimide ring system connected through an ether link to a bioactive 3-methyl-furan-2-one unit were synthesized and their spectroscopic properties investigated. The solvatochromic behavior of these piperidine-naphthalimides was monitored in solvents different polarity using electronic absorption fluorescence spectra. These compounds exhibited strong positive solvatochromism taking into account change...