Effect of lecithin on the antioxidant mechanism of action of fucoidan in stripped bulk sunflower oil and respective oil in water emulsion.

The objective of this study was to investigate the antioxidant mechanism of action of fucoidan in sunflower oil and its oil-in-water emulsion. In addition, the effect of lecithin on the antioxidant mechanism of action of fucoidan in sunflower oil was investigated. In sunflower oil, fucoidan at 0.

Upcycling date juice waste: Impact of date press cake on sponge cake quality.

Date press cake (DPC) is the main waste stream of date fruit juice extraction. The primary aim of this research was to explore the potential of DPC as a novel food component, using sponge cake as a case study, to upcycle waste from date fruit processing. Thus, different concentrations (0 %, 10 %, 20 %, 30 %, and 40 %) and particle sizes (210 and 500 μm) of DPC were tested on the quality characteristics during storage for 1, 7, and 14 days.

Fabrication and characterization of novel electrospun nanofibers based on grass pea ( L.) protein isolate loaded with sumac ( L.) extract.

In this study, sumac extract was utilized as an active ingredient and combined with grass pea protein isolate and polyvinyl alcohol to produce novel active nanofiber mats using an electrospinning technique. First, nanofiber mats were fabricated by different ratios (100:0, 90:10, 70:30, 50:50, 30:70, 10:90, 0:100) of grass pea protein isolate and polyvinyl alcohol. The characterization of nanofiber mats revealed that the nanofibers with a polymer ratio of 50:50 had appropriate mechanical properties and presented a fibrous and uniform morphology.

Improving oxidative stability of cream powder using pomegranate concentrate and peel extract.

In this study, the influence of pomegranate peel extract (PPE) and pomegranate concentrate (PC) on improving the oxidative stability of cream powder in comparison with synthetic antioxidant (Butylated hydroxytoluene (BHT)) during the storage period at 20°C (8 weeks) and 45°C (4 weeks) was evaluated. The finding exhibited that peroxide, -anisidine, and total oxidation (TOTOX) values increased during the storage period. Samples containing PPE and PC showed suitable performance in controlling the cream powder oxidation.

Development of a simple and rapid dipstick paper-based test strip for colorimetric determination of nitrate and nitrite in water and foodstuffs.

A rapid user-friendly paper-based test strip using zinc microparticles in conjugation with Griess reagent was developed for nitrite and nitrate detection. Test strips were fabricated using a simple and fast method of step-by-step immersion into reagents so that each strip contained a single detection pad for nitrite detection and another separate pad for nitrate detection. To reduce nitrate to nitrite, zinc microparticles suspended in ethanolic solution of polyvinylpyrrolidone (PVP) were uniformly immobilized on the paper strips that were previously impregnated in the Griess reagent and dried.

Potential prebiotic and antibacterial activities of fucoidan from Laminaria japonica.

Fucoidan from Laminaria japonica became sterilized with an autoclave and ultraviolet (UV) radiation. Potential prebiotic and antibacterial activities of sterilized fucoidans (SF) were the subject of investigation. Molecular weight, monosaccharide composition, FTIR, and NMR spectra of SF underwent evaluations to elucidate the relationship between the structure and activities of SF.

Bilayer coatings for extension of the shelf life of fish fillets: Incorporating seaweed sulfated polysaccharides in chitosan-alginate LbL structures.

The aim of this study was to develop a new active coating of layer-by-layer (LbL) structure composed of alginate (as polyanions) and chitosan (as a polycation) containing sulfated polysaccharide (fucoidan) from , to protect rainbow trout fillets during refrigerated storage. Chitosan and alginate do not combine with each other as a homogeneous solution, so they are suitable for multilayer coatings. The results demonstrated that coating samples with chitosan and fucoidan significantly improved the quality of fish fillets and extended their shelf life from 6 to 16 days.

Enhancing the accuracy, speed, and efficiency of kafirin-PEO electrospun bio-nanocomposite pH indicators with red beetroot extract using image processing.

Intelligent electrospun pH indicators were produced from bio-nanocomposite kafirin-polyethylene oxide (PEO) containing red beetroot extract. The aim was to evaluate the performance and stability of the electrospun pH indicators via image processing. Red beetroot extract was added to a mixture of kafirin and PEO at various concentrations.

Effects of rosmarinic acid esters on the oxidation kinetic of organogel and emulsion gel.

Rosmarinic acid was esterified with ethanol, butanol, and hexanol to produce ethyl rosmarinate, butyl rosmarinate, and hexyl rosmarinate, respectively. The antioxidant capacities of the rosmarinic acid esters were evaluated in linseed oil, organogel, and emulsion gel during the initiation and propagation phases of peroxidation. Organogel control sample showed higher induction period and propagation period than those of linseed oil and emulsion gel control samples.

Application of electrospinning to fabricate phycocyanin- and extract-loaded gliadin fibers for active food packaging.

This study explored the active food packaging application of phycocyanin- and Spirulina extract-loaded gliadin electrospun fibers (GPhy and GSPE). SEM findings confirmed that the morphology of fibers was tubular, showing the GPhy and GSPE as the optimum fibers. The loading efficiencies of GPhy and GSPE were also around 90%, which proved the well-incorporated compounds within the fibers.

Alginate/whey protein isolate-based emulgel as an alternative margarine replacer in processed cheese: Impact on rheological, mechanical, nutritional, and sensory characteristics.

The effects of partial or full replacement of margarine by alginate/whey protein isolate-based olive oil emulgel on nutritional, physicochemical, mechanical, and rheological properties of processed cheese (PC) were investigated in this work. All formulated samples had the same amount of total fat, DM, and pH. According to the results of the fatty acids profile, the PC sample in which the margarine was fully replaced by the emulgel (EPC) had the highest (49.

Antioxidant potency and inhibitory mechanism of curcumin and its derivatives in oleogel and emulgel produced by linseed oil.

The antioxidant activity of curcumin and curcumin esters was investigated in oleogel and emulgel produced by linseed oil. In the initiation phase, curcumin acetate at 1.086 mM concentration showed the highest antioxidant activity in linseed oil, while curcumin at 2.

Exploiting Apical Sodium-Dependent Bile Acid Transporter (ASBT)-Mediated Endocytosis with Multi-Functional Deoxycholic Acid Grafted Alginate Amide Nanoparticles as an Oral Insulin Delivery System.

Objective: Oral administration of insulin is a potential candidate for managing diabetes. However, it is obstructed by the gastrointestinal tract barriers resulting in negligible oral bioavailability.

Methods: This investigation presents a novel nanocarrier platform designed to address these challenges.

Effects of sesame dehulling on physicochemical and sensorial properties of its oil.

At present, sesame oil is extracted from un-hulled white sesame seeds by using cold press lubrication machines in local stores in Iran. This study aimed to evaluate the physicochemical properties and safety parameters of the hulled and un-hulled white sesame oils. The fatty acid composition, antioxidant activity, oxalates content, total phenolic content, carotenoid content, acid value, peroxide value, p-anisidine value, value total oxidation value (TOTOX), aflatoxins and pesticides residue, smoke point, color, relative density, and refractive index of oil sample were examined immediately after extracting the oil.

Fabrication and characterization of bio-nanocomposites based on kafirin and polyethylene oxide as auxiliary polymer: process optimization, rheological, morphological and thermal properties.

The aim of this research was to compare the effects of various solvents on producing kafirin/polyethylene oxide (PEO) bio-nanocomposites by the technique of electrospinning. Different concentrations of kafirin (15, 20, 25, 30 and 40% w/v) and PEO (2, 4 and 6% w/v) were electrospun. For the dissolution and electrospinning of these two biopolymers, different solvents were used comparatively, i.

The effect of celery () powder on cardiometabolic factors in overweight/obese individuals with type 2 diabetes mellitus: A pilot randomized, double-blinded, placebo-controlled clinical trial.

Celery () was shown to have beneficial effects on cardiometabolic factors in animal models. As the progression of type 2 diabetes mellitus (T2DM) adversely affects cardiometabolic factors, we aimed to assess the effects of celery powder on glycemic and anthropometric indices, lipid profile, liver function, oxidative stress, and blood pressure of individuals with T2DM. In a pilot randomized, double-blinded, placebo-controlled clinical trial, 50 eligible adults with T2DM were randomly divided into two groups of intervention and control to consume either 750 mg of celery powder (obtained from fresh celery) or placebo along with a low-calorie diet for 12 weeks, respectively.

Designing ultra-stable linseed oil-in-water Mickering emulsions using whey protein isolate cold-set microgels containing marjoram aqueous extract: Effect of pH and extract on rheological, physical, and chemical properties.

In this study, whey protein isolate (WPI) cold-set microgels containing marjoram () aqueous extract (MAE) were prepared at different pHs (4.0, 5.0, and 6.

Development and characterization of antimicrobial alginate hydrogel beads filled with cinnamon essential oil nanoemulsion.

The aim of the present study was to investigate the characteristics of alginate beads filled with cinnamon essential oil nanoemulsions (CEONs). The influence of the alginate and CaCl concentrations on their physical, antimicrobial and antioxidant properties was studied. The droplet size of CEON was 146.

Comparison of the antioxidant capacity of sesamol esters in gelled emulsion and non-gelled emulsion.

The antioxidant capacity of sesamol esters in gelled emulsion was investigated in comparison with non-gelled emulsion to assess the role of mass transfer on their antioxidant capacity. Initiation phase and propagation phase kinetic parameters of peroxidation was calculated using a sigmoidal model. Sesamol esters showed higher antioxidant activity than sesamol in gelled emulsion and non-gelled emulsion.

Enhancing phycocyanin solubility via complexation with fucoidan or κ-carrageenan and improving phycocyanin color stability by encapsulation in alginate-pregelatinized corn starch composite gel beads.

Phycocyanin (PC), as a pigment-protein complex, aggregates and precipitates in acidic environments. In this context, complex formation with anionic polysaccharides is a strategy to enhance protein solubility. Besides, acidic conditions negatively affect the inherent blue color of PC, which can be prevented by encapsulation.

Studying structural and rheological properties of alginate-whey protein isolate cold-set hybrid emulgels at various pH levels.

Effects of different pH values (4-7) and whey protein isolate (WPI) concentrations (0.5-1.5%) were evaluated on physical, mechanical, and rheological properties of cold-set alginate-based soybean oil hybrid emulgels.

Recent Trends in Improving the Oxidative Stability of Oil-Based Food Products by Inhibiting Oxidation at the Interfacial Region.

In recent years, new approaches have been developed to limit the oxidation of oil-based food products by inhibiting peroxidation at the interfacial region. This review article describes and discusses these particular approaches. In bulk oils, modifying the polarity of antioxidants by chemical methods (e.

The effects of Shirazi thyme ( oil nanoemulsion on the quality of shrimp () during refrigerated storage.

The effects of carboxymethyl cellulose (CMC) coating incorporated with Shirazi thyme ( oil nano emulsion (SNE), in different concentrations (10, 20, and 30 mg/ml), on the melanosis and the quality of Pacific white shrimp () was investigated during 10 days in refrigerated temperature (4 ± 0.5 °C). The results showed that incorporating SNE into CMC could significantly ( < 0.

Comparing the antioxidant activity of gallic acid and its alkyl esters in emulsion gel and non-gelled emulsion.

In this study, antioxidant capacity of gallic acid and its alkyl esters in emulsion gel was compared with non-gelled emulsion to determine the role of mass transport on their efficiency. Lauryl gallate exhibited higher antioxidant activity than gallic acid and ethyl gallate in emulsion gel and non-gelled emulsion. In emulsion gel, the synergistic effects in the initiation stage for gallic acid + ethyl gallate, gallic acid + lauryl gallate, and ethyl gallate + lauryl gallate were 78.

Fabrication and characterization of phycocyanin-alginate-pregelatinized corn starch composite gel beads: Effects of carriers on kinetic stability of phycocyanin.

Composite gel beads using calcium alginate and different concentrations of pregelatinized corn starch (PCS) were produced to encapsulate phycocyanin (PC). Rheological properties of different sodium alginate/PCS/PC mixtures, structural and morphological properties of beads, and kinetic stability of encapsulated PC (upon heating at various time-temperature combinations) were then assessed. Rheological properties of the mixtures exhibited shear thinning behaviors.