From a selective enrichment culture prepared with different soil samples on starch-containing polyethylene we isolated four microaerophilic microbial communities able to grow this kind of plastic no additional carbon source. One consortium, designated community 3S, was tested pure isotactic polypropylene determine whether the consortium degrade polymer. Polypropylene strips were incubated for 5 months in mineral medium containing sodium lactate and glucose screw-cap bottles. Dichloromethane...

Lignin was isolated from wood wastes comprising Iroko sawdust (IR) and mixed Norway spruce (IRNS), furnished by a local houses producer. The respective acidolysis lignin fractions were structurally characterized using pyrolysis (Py)-GCMS, two-dimensional heteronuclear single quantum correlation nuclear magnetic resonance (2D HSQC NMR), Fourier-transform infrared FTIR ultraviolet-visible (UV-VIS) spectroscopies, size exclusion chromatography, standard wet-chemistry methods for Klason...

In addition to the immature edible flower heads, cultivation of globe artichoke (Cynara cardunculus L. var. scolymus (L.) Fiori) generates substantial quantities by-products, including leaves, stems, and roots, which constitute potential sources bioactive compounds prebiotic dietary fiber. Preserving agricultural biodiversity promoting socioeconomic development are essential for enhancing domestic production fostering innovation. search new biomolecules with antioxidant properties, this...

The composition of the essential oils (EOs) O. vulgare L. EO and T. vulgaris EO, were analyzed by GC GC–MS. Antifungal activities EOs its main component, carvacrol, evaluated against 27 clinical isolates Malassezia furfur. Minimum inhibitory concentrations (MICs) measured according to broth microdilution protocols Clinical Laboratory Standards Institute (CLSI) modified for spp. carvacrol showed low MIC values ranged 450–900 μg/ml M. No differences in antifungal activity observed sensitive...

Three different formulations of bio-based polyurethane (PU), varying the weight ratio between Organosolv lignin and a commercial isocyanate, were synthesized. The coating characterized by SEM, pyrolysis-GC/MS, FTIR spectroscopy mapping, which confirmed successful formation urethane bonds isocyanate hydroxyl groups deriving from lignin. coatings applied on beech wood samples to measure color contact angles, eventually mapping coated was performed. is an interesting tool monitor distribution...

Abstract Phytophthora cactorum is a plant pathogen affecting wide range of hosts, causing economically damaging diseases, such as damping off and root rot, in fields nurseries. Current protection strategies are often inadequate to control diseases. Hence, an attempt was made evaluate the potential novel method using lignin nanoparticles loaded with essential oil Thymus serpyllum (EO‐LNPs) for controlling P . infections on Pinus nigra vitro greenhouse conditions. Nanoparticles were...

In this study, for the first time, chemical composition of Echinacea purpurea (L.) Moench. and propolis (EAP) hydroalcoholic solution from Trentino Alto Adige region northern Italy was investigated by using SPME-GC-MS to describe volatile content GC-MS after silylation detect non-volatile compounds in extractable organic matter. The antimicrobial activity EAP evaluated Minimum Inhibitory Concentration (MIC) determination on 13 type strains, food clinical isolates. Time Kill Kinetics (TKK)...

Lignin isolated from beech sawdust was used for the preparation of lignin nanoparticles (LNPs) with entrapped essential oil (EO) cinnamon bark (Cinnamomum zeylanicum Blume), common thyme (Thymus vulgaris L.), and wild serpyllum L.) using a fast antisolvent method. Analysis EO-loaded LNPs by pyrolysis-gas chromatography-mass spectrometry Fourier transform infrared spectroscopy confirmed molecular interaction between EOs LNPs. Quantification EO incorporation into their in vitro release...

Acidolysis lignins from the species Quercus cerris L. and Eucalyptus camaldulensis Dehnh. were isolated characterized using high pressure size exclusion chromatography (HP-SEC), Fourier-transform (FTIR) infrared spectroscopy, analytical pyrolysis-gas chromatography-mass spectrometry (Py-GCMS), two-dimensional heteronuclear single quantum coherence (2D HSQC) NMR spectroscopy. The acidolysis two different varied in chemical composition structural characteristics, with Q. lignin having a higher...

The chemical composition, antifungal, antioxidant and cytotoxic activities of the essential oils (EOs) mint (Mentha suaveolens), thyme (Coridothymus capitatus), oregano (Origanum hirtum) rosemary (Rosmarinus officinalis) were investigated. antifingal properties EOs investigated againstfour species Candida by a microdilution method. Cytotoxicity was tested on human keratinocyte (HaCaT) lung cancer (A549) cell lines using MTT test. DPPH· ABTS·+ spectrophotometric assays DPPH--...

Stinging nettle (Urtica dioica L.) is a ubiquitous, multi-utility, and under-utilized crop with potential health benefits owing to its nutritional bioactive components. The objective of the work produce powders by drying wild stinging leaves as storable, low-cost functional additive be used in bakery ready-to-cook products. Convective (CD) freeze-drying (FD) were applied on unblanched (U) or blanched (B) leaves, which then milled (NPs). obtained NPs evaluated for selected physicochemical...

Citrus secondary metabolites, such as terpene compounds, are very important for human health due to their bioactivity including anti-inflammatory, anti-cancer, and antioxidant effects. In this work, the first time, volatile chemical composition of peels juices from four different species (C. junos, × aurantium, C. aurantium ‘Bizzarria’ medica ‘Florentina’, commonly known Yuzu jeune, Oni Yuzu, Bizzarria orange Florence cedar, respectively) was investigated by Solid-Phase Microextraction-Gas...

Microalgae have emerged as promising sustainable sources of bioactive compounds, essential for addressing global challenges. This study investigated the biochemical profiles five microalgae species: Nannochloropsis sp., Tetraselmis chuii, Chaetoceros muelleri, Thalassiosira weissflogii , and Tisochrysis lutea . By using NMR spectroscopy, organic acids, amino other compounds were revealed. T. chuii was particularly rich in acetate, whereas main acid lactate. ICP‐MS analysis indicated...

Historic mural paintings are highly susceptible to biodeterioration due microbial colonization. This study reports, for the first time, presence of Paracoccus marcusii on a painting and investigates potential role strain IBR3—isolated from deteriorated 19th-century in private Italian villa—in degradation wall surfaces. The exhibited significant enzymatic activity, including casein hydrolysis calcium carbonate dissolution, revealing its involvement both organic binders mineral components...

Abstract Lignin was isolated through mild acidolysis from local wood sources such as beech and chestnut sawdust, a high-volume side product of industries. The lignin fractions were characterized by pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS), Fourier-transform infrared (FTIR), ultraviolet-visible (UV-Vis) two-dimensional heteronuclear single-quantum correlation nuclear magnetic resonance (2D HSQC NMR) spectroscopies size exclusion chromatography (SEC). Klason (KL) content...

Abstract BACKGROUND Chestnuts are gluten‐free, low‐fat, cholesterol‐free products. Postharvest decay reduces chestnut shelf life and can cause severe economic losses. In this study we investigated the effect of ozone (O 3 ) gaseous treatment on rot caused by Gnomoniopsis castanea quality parameters chestnuts. RESULTS The results showed that (150 ppb during day, 300 night) reduced chestnuts had a fungistatic isolates G. . exposure to did not alter weight losses, sugar content titratable...

Sustainability and ecotoxicity issues call for innovations regarding eco-friendly adhesives in the production of biocomposite wood materials, solutions involving nano-scale bio-based compounds represent a valid promising target. One possible approach is to increase performance such as polyvinyl acetate (PVAc) or melamine-urea-formaldehyde (MUF) by means nanoparticles order obtain material with better mechanical environmental resistance. When applying cellulose-based tannin, concept circular...

Wood use in bio-building should be considered as one of the main pillars sustainability. According to international standards, beech wood (Fagus sylvatica L.) is a rather less durable species it subject degradation due weathering, though abundantly available more intense use. Service life products and general can enhanced by different methods, such heat treatments, but new chances are offered coating technologies. However, ensure protection from wood-destroying organisms, most commercial...

Lignin-derived degradation products from non-treated (NT) and heat-treated (T) Corsican pine (Pinus nigra subsp. laricio) obtained by pyrolysis–gas chromatography–mass spectrometry (Py–GC–MS) were investigated, whereby the earlywood (EW) latewood (LW) parts of annual ring considered separately. The data evaluation was done principal component analysis (PCA) Kruskal–Wallis test. There are no differences in pyrolysis composition between EW LW, but NT T samples discernible PCA applied to...

The preservation of agricultural biodiversity and socioeconomic development are relevant both to enhance domestic production support innovation. In the search for new biomolecules, we have focused on “Carciofo Ortano” landrace, growth in northern part Lazio region. Artichoke cultivation generates substantial by-products, including leaves, stems, roots, which could serve as valuable sources biomolecules prebiotic dietary fiber. To valorize leaf waste a multidisciplinary approach was applied....

The efficacy of low gaseous ozone concentrations (300 ppb and 400 ppb) in controlling spoilage microflora preserving the quality aged Toma Piemontese PDO cheese was explored. research integrates consumer tests, Gas Chromatography–Mass Spectrometry (GC–MS) with Solid phase Microextraction (SPME) fiber Electronic Nose (e-nose) analysis to conduct a detailed assessment cheese's aromatic composition. Results indicate that significantly affected microflora, overall quality. Through GC-FID (Flame...