Natural carbohydrate particles usually employed to stabilize Pickering emulsions (publications since 2022)
Carbohydrate particles | Modifications | Encapsulated bioactive | Characteristics of the emulsions | Reference |
---|---|---|---|---|
Starch | Starch nanoparticles obtained by heating under mildly acidic conditions | Catechin | -Catechin encapsulated in the starch nanoparticles exhibits higher water solubility and UV stability than pure ones.-Catechin-starch nanoparticle composites improve the encapsulation efficiency, water-solubility, stability of catechins, and Pickering emulsion stability. | [77] |
Debranched-waxy corn starch and chitosan | Curcumin | -Debranched-waxy corn starch and chitosan polymers lead to greater emulsifying stability and lower gel strength than native starch and chitosan-prepared emulsion.-Enhanced stability and bioaccessibility of the encapsulated curcumin. | [78] | |
Cana edulis starch and starch nanoparticles modified with octenyl succinic anhydride | Curcumin | -Enhanced curcumin storage protection and controlled release.-Stabilizing Pickering emulsions has a positive effect on gut microbiota and improves the intestinal environment. | [79] | |
Quinoa and maize starch nanoparticles prepared by sono-precipitation and modified with nonenyl succinic anhydride and octenyl succinic acid | Ferulic acid | -Stable emulsions against coalescence and Ostwald ripening.-Long-term stability of the emulsions.-Sustained release of ferulic acid from the strong gel network.-Encapsulation efficiency close to 99% after 15 days of storage. | [80] | |
Potato starch and polyvinyl alcohol | Clove essential oil | -Efficiency of encapsulation: 58%, which ensured the antimicrobial effectiveness of clove essential oil.-Emulsions were applied for pork meat preservation, enabling the slow release of the encapsulated compound.-Prolonged preservation period (10 days) and potent inhibition of E. coli and S. aureus. | [81] | |
Ultrasonic esterified corn starch | Tangerine peel essential oil | -Pickering emulsions incorporated into corn films containing purple corncob anthocyanin.-Bacteriostatic ability against E. coli and S. aureus. | [82] | |
Starch nanocrystals and bacterial cellulose nanofibers | Satureja khuzestanica essential oil | Antibiofilm (Salmonella enterica) activity. | [83] | |
Carboxymethyl starch/xanthan gum combinations with different ratios | Pterostilbene | -High encapsulation efficiency (91.2%), enhanced stability of pterostilbene.-Controlled release of pterostilbene in the intestinal tract. | [84] | |
Butyric acid-modified porous starch | Paclitaxel | The emulsifying and sustained release capacity are significantly improved using higher substituted butyric acid-porous starch as stabilizers. | [85] | |
Gliadin/gelatinized starch nanocomposites | Astaxanthin | -Emulsions with shear-thinning behavior and high solid viscoelasticity.-Suitable rheology properties for 3D printing.-Enhanced stability (90% astaxanthin was retained after heating at 95°C for 30 min) and bioaccessibility of astaxanthin. | [86] | |
Acetalized starch-based nanoparticles | Curcumin | -Acetalized starch and its degradation products showed good biocompatibility.-Acid environments promote a better release of the encapsulated curcumin. | [87] | |
Chayote tuber starch functionalized by zein-pectin nanoparticle | Cinnamon essential oil | -Pickering emulsions were incorporated into biodegradable and bioactive starch-based films for food packaging applications.-Improve water-resistance of the films.-Sustained release of cinnamon essential oil into food stimulants. | [88] | |
Corn starch pregelatinized with a cellulose nanofiber | Basil essential oil | -Incorporation of the emulsions into edible coatings to prevent biochemical degradations and minimize color changes of mandarins.-Coated mandarins significantly suppressed quality losses, did not experience a loss of citric acid, and maintained color stability. | [89] | |
Acorn starch | β-carotene | -Low solubility and swelling power, and high retrogradation and gel strength of the acorn starch.-Free/bound phenolics exhibit stronger antioxidant activity.-Outstanding effect for protecting β-carotene against ultraviolet irradiation. | [90] | |
Octenyl succinic anhydride-modified corn, potato, and pea starch nanoparticles | Curcumin | -Stable emulsions against different environmental stresses (pH, ionic strength, and heating) and during 30 days of storage.-No-oiling-off observed over the storage time.-Improved protection of curcumin during storage and controlled release during in vitro digestion. | [91] | |
Octenyl succinic anhydride-starch | Thymol | -Enhanced bactericidal effects against E. coli, S. aureus, and Aspergillus flavus by inducing ROS eruption, membrane lipid peroxidation, and cell shrink.-Time-sustained bactericidal effect (9 days) upon intermittent exposure to E. coli, S. aureus. and A. flavus in vitro (in comparison with thymol alone). | [92] | |
Starch-fatty acid complexes prepared using different long chain fatty acids (myristic acid, palmitic acid, and stearic acid) and native rice starch | Curcumin | Curcumin was successfully retained after 28 days of storage stability (79.4%) and after exposure to gastrointestinal conditions (80.8%), attributed to the enhancement of the coverage of particles at the oil-water interface. | [93] | |
Octenyl succinic anhydride starch/chitosan complexes | Resveratrol | -Strong stability when subjected to light, high temperature, UV radiation, and freeze-thaw treatment.-Resveratrol retention greatly improved with the increasing addition of complexes and resveratrol.-Pickering emulsions were suitable systems to overcome the stratum corneum barrier (ca. 3–5-fold increase in resveratrol deposition) in deep skin compared to bulk oil. | [94] | |
Gliadin/starch nanocomposites | Astaxanthin | -Gelatinized starch improved the wettability of particles, and thus, the stability of emulsions.-Pickering emulsions stable at pH within 3 and 11, and tolerant to high ionic strength (up to 1000 mM NaCl).-Enhanced retention of astaxanthin (half-life 2.3 times longer than that in oil).-Bioaccessibility of astaxanthin ca. 1.5 times higher than that of oil. | [95] | |
Starch crystals and chitosan | Curcumin | -Chitosan-coated emulsions are stable in the mouth and stomach phases, and slowly digested in the intestine phase.-Permeability of encapsulated curcumin enhanced ca. 9.5-fold compared to the curcumin solution.-Enhanced intestinal permeability of curcumin ascribed to the electrostatic mucoadhesion and reversible epithelial tight junction opening effects of the coating. | [96] | |
Dihydromyricetin/high-amylose corn starch composite particles | β-carotene | Stability of β-carotene against UV irradiation, enhanced bioaccessibility and starch hydrolysis inhibition during digestion. | [97] | |
2-(dimethylamine)ethyl methacrylate (DMAEMA) grafted onto maize starch via free radical polymerization | Lipase from Candida rugosa | -Emulsions readily applied as recyclable microreactors for the n-butanol/vinyl acetate transesterification.-Catalytic activity and good recyclability. | [98] | |
Oxidized high-amylose starch | β-carotene | -Stable emulsions at pH within 3 and 7, salt concentrations up to 1 M, and temperatures within –25°C and 80°C.-Storage stability for up to 30 days.-Controlled-release of β-carotene in vitro, with antioxidant activity-maintained ca. 50% of initial activity when exposed to 80°C. | [99] | |
Chestnut starch nanocrystal/macadamia protein isolate complexes | Quercetin | High encapsulation efficiency for quercetin (> 93%). | [100] | |
Starch-based nanoparticles obtained by nanoprecipitation and ultrasonication | Ferulic acid | Preserved ferulic bioactivities in the Pickering emulsions (anti-cancer, anti-diabetic, angiotensin-converting enzyme inhibition). | [101] | |
Ultrasound and high-pressure homogenization treated starch nanoparticles | Carotenoids extracted from the peel of passion fruit (Passiflora edulis) | -Pickering nanoemulsions rich in carotenoids and total phenolic content, with high antioxidant activity and stability.-Stable emulsions to heat and freeze-thaw treatments and storage at 6°C and 25°C. | [18] | |
Chitosan | Cross-linked carboxymethyl cellulose/chitosan submicron particles through polyelectrolyte self-assembly method in conjunction with isocyanide-based multicomponent reactions | Piperine | -Stabilization of the emulsion’s droplets by carboxymethyl cellulose/chitosan particles.-Highly level emulsions regarding changes in pH, temperature, and ionic strength.-Controlled release of piperine in vitro in both acidic and neutral media. | [102] |
β-carboxymethyl chitosan and gelatin-A | Curcumin | Physico-chemical characterization supporting cosmeceutical applications (uptake of curcumin into fibroblasts in vitro). | [103] | |
Chitosan/alginate nanoparticles and Ca2+ | D-limonene | -Set-up of the emulsion’s formulation and encapsulation process.-Encapsulated limonene had higher activity, higher resistance to ultraviolet (UV), and higher temperature than free D-limonene. | [104] | |
Self-aggregated chitosan particles prepared by a pH-responsive self-assembling method by tuning pH, degree of deacetylation, and molecular weight | Curcumin | -Networked structures generated by chitosan aggregation led to highly elastic gels more resistant to the breakdown of Pickering emulsion at ambient temperature.-Molecular weight and degree of deacetylation determine curcumin loading, encapsulation efficiency, and release profile. | [105] | |
Self-assembled chitosan complexed with natural phytosterol particles | β-carotene (hydrophobic) and epigallocatechin gallate (hydrophilic) | -Storage stability at 4°C and 25°C (at least 2 months).-Suitability to co-encapsulate hydrophilic and hydrophobic bioactive compounds, shielding them against UV exposure and long-term storage. | [106] | |
Chitosan-based nanoparticles obtained by ionic gelation modified by flaxseed gum or sodium tripolyphosphate | Ferulic acid | -Complex nanoparticles had high surface activity.-Controlled topical release of ferulic acid.-Ferulic acid in the emulsion had higher penetration and retention ability in the skin dermis. | [107] | |
ε-polylysine-carboxymethyl chitosan nanoparticles | Oregano essential oil | -Pickering emulsions incorporated into gelatin films.-The mechanical properties, barrier properties, anti-oxidation, and antibacterial properties of the films were improved with the incorporation of Pickering emulsions.-Extension of shelf life of beef and strawberries with excellent antioxidant and antibacterial properties. | [108] | |
Resveratrol-grafted zein covalent conjugate combined with quaternary ammonium chitosan | Peppermint oil | Enhanced antioxidant effect against DPPH and ABTS free radicals. | [109] | |
Rice peptide aggregate-chitosan complexes | Curcumin | Enhanced storage stability, lower free fatty acids release, and higher curcumin bioaccessibility (65.2% and 68.2%, respectively). | [110] | |
Soy protein isolate-chitosan nanoparticles | Docohexaenoic acid (DHA) | Enhanced retention rate of DHA under storage, ionic strength, and thermal conditions. | [111] | |
Soybean protein isolate/chitosan hydrochloride composite particles | Citrus essential oil | -Good storage and oxidation stabilities and rheological properties.-Preservative effect on freshly-cut apple slices. | [112] | |
Chitosan and soy protein isolate colloid particles | Cinnamon essential oil | -Pickering emulsions incorporated in collagen films enhanced their thermal stability, UV-blocking properties, and water resistance.-Improved antioxidant (DPPH scavenging activity) and antimicrobial properties (E. coli, S. aureus, P. fluorescence).-4-day shelf-life extension of pork coated with the functionalized films. | [113] | |
Spirulina protein-chitosan complex | Astaxanthin | -Improved the stability of astaxanthin in different environments.-Enhanced bioaccessibility of astaxanthin. | [114] | |
Gallic acid modified-chitosan nanoparticles | Garlic essential oil and curcumin | -Improved bioaccessibility of garlic essential oil and curcumin.-Good biocompatibility and enhanced cellular uptake of garlic essential oil and curcumin. | [115] | |
Chlorella pyrenoidosa protein-chitosan complex | Lutein | -Stability of encapsulated lutein when UV irradiated for 48 hours.-Enhanced bioaccessibility of lutein. | [116] | |
Zein and chitosan nanoparticles | Citral and/or cinnamaldehyde | -Effective antifungal system (decrease of Aspergillus spp. growth and ochratoxin production).-Stable emulsions within 15 days and good sustained release ability during 9-day storage experiment. | [117] | |
Phosphorylated perilla protein isolate-chitosan composite nanoparticles | β-carotene | -No coalescence during long-term storage, centrifugation, and heat treatment.-Increasing the chitosan concentration leads to a progressive strengthening of viscosity, viscoelasticity, and thixotropy-recovery capacity of the emulsions, allowing their controllable injectability and printability during 3D printing.-Enhanced stability of β-carotene in emulsions exposed to environmental stresses. | [118] | |
Phytosterol/chitosan complex particles | Epigallocatechin gallate | Protection of epigallocatechin gallate from heat and pH shock | [119] | |
Chitosan tripolyphosphate nanoparticles | Andrographolide | -Improved apparent digestibility coefficient of protein, fiber, carbohydrates, and energy for carps fed with the encapsulated andrographolide.-Protection of carps against koi herpes virus. | [120] | |
Soybean protein isolate-chitosan composite | Cinnamon essential oil | -Encapsulation efficiency of cinnamon essential oil: 65.23%.-Stabilization of the encapsulated compound. | [121] | |
Resveratrol-loaded α-lactalbumin-chitosan particles | Curcumin | -High (64%) curcumin retention up to 30 days.-Enhanced curcumin bioaccessibility. | [122] | |
Chitosan with different molecular weights functionalized with protocatechuic acid by free-radical grafting reaction, | β-carotene | -Stability of β-carotene upon exposure of emulsions to ultraviolet irradiation, natural light exposure, and heat treatment.-Oxidative stability of β-carotene. | [123] | |
Whey protein isolate-chitosan complexes | Apigenin | -95% of apigenin retention when emulsions are stored under refrigerated conditions.-Enhanced bioaccessibility of apigenin. | [124] | |
Chitosan/guar gum nanoparticles were formed by hydrogen bond interactions between amino groups of chitosan and hydroxyl groups of guar gum. | Astaxanthin | Retention rate of astaxanthin: 86% when stored at 37°C for 30 days. | [125] | |
Alginate-coated chitosan-stabilized | Tocotrienol (vitamin E) | Enhanced retention of tocotrienol upon processing and storage. | [126] | |
Zein-chitosan nanoparticles | Curcumin, oil red, and oil blue | -Better chroma (based on L*a*b* values) with lower incorporation of pigments (under the same amount of pigment, the saturation of the emulsion increases by 81.5%).-Potential application as a color control strategy for complex food systems. | [127] | |
Chitosan nanoparticles obtained by cross-linking with sodium tripolyphosphate | Chlorogenic acid and cinnamon essential oil | -Stable emulsions after 5 days of storage.-Suitable co-encapsulation of cinnamon essential oil and chlorogenic acid. | [128] | |
Carboxymethyl chitosan-sodium alginate nanoparticles to obtain hydrogel emulsions | Curcumin | -Controlled release of curcumin in vitro.-Antibacterial properties against E. coli and S. aureus.-Improved wound healing. | [129] | |
Pea protein isolate-chitosan nanoparticles | Eicosapentaenoic acid | Sustained release in vitro digestion and enhanced bioaccessibility of eicosapentaenoic acid. | [130] | |
Potato protein-chitosan complex | β-carotene | Sustained release rate of β-carotene in vitro. | [131] | |
Ovotransferrin-carboxymethyl chitosan nanoparticles to prepare oleogels | Curcumin | Enhanced bioaccessibility of curcumin, stable during storage and with high retention of the encapsulate. | [132] | |
Ultrasonicated chitosan | β-carotene | Stable emulsions during heating (121°C), processing and storage at 37°C (constant color parameters). | [133] | |
Chitosan nanoparticles produced by self-aggregation or by crosslinking with tripolyphosphate, further freeze-dried, or spray-dried | Roasted coffee | Increased oil retention in the microcapsules spray-drying promotes better retention of polyphenolic compounds and antioxidant activity during in vitro digestion. | [134] | |
Cellulose | Cellulose nanofibrils, holocellulose nanofibrils, and lignocellulose nanofibrils were obtained using deep eutectic solvents | Curcumin | -Encapsulation efficiency of curcumin: 94.80%.-Inhibitory effect against S. aureus. | [135] |
Cellulose nanocrystals and hydroxypropyl methylcellulose | Omega-3 polyunsaturated fatty acids (n-3 PUFA) | -Enhanced bioavailability of omega-3 fatty acids in dogs.-Stomach oxidation of n-3 PUFA prevented. | [136] | |
Nanocellulose synthesized from coconut milk waste residue using 38–42% sulfuric acid and/or ultrasound (5–10 min) separately and in combination | Curcumin | -Stable emulsions at pH 2 and 63°C.-Stomach release: 38%; intestinal release: 52%, which supports emulsions as curcumin delivery systems. | [137] | |
Cellulose nanocrystals | D-limonene | -Pickering emulsions incorporated into citrus pectin-based films aiming to coat fruits.-Improved mechanical properties of the films (tensile strength, elongation), water barrier, and film clarity.-Inhibition of harmful microbes causing rotting of fresh fruits. | [138] | |
Nanocrystalline cellulose | Butterfly pea petal extract rich in anthocyanins | Set the encapsulation conditions to retain the greatest amounts of extracts. | [139] | |
β-cyclodextrin, cellulose nanocrystals, and bacterial cellulose | Citrus essential oil | Controlled delivery system for flavors. | [140] | |
Alginate beads and cellulose nanocrystal-stabilized Pickering emulsion | Curcumin | -Improved storage stability of curcumin (half-life 160 days).-Feasible incorporation of emulsions into milk, apple juice, yogurt, and mineral water, that can be stored u to 26 days.-Full release of curcumin in the intestinal phase of in vitro digestion. | [141] | |
Cellulose nanofibrils and cellulose nanocrystals synthesized from pomelo peels | Lycopene | High ail fractions are beneficial for controlling lycopene release during gastrointestinal digestion. | [142] | |
Cellulose nanocrystals-whey protein isolate complex | Curcumin | -Encapsulation efficiency: 89.4%.-Stable a stomach pH.-Release of curcumin in the intestinal phase. | [143] | |
Bacterial cellulose from fermented kombucha | Curcumin | Enhanced stability (temperatures, low pH, sunlight, UV-365 nm) and antioxidant capacity of curcumin. | [144] | |
Nanofibrillated cellulose | Astaxanthin | -Increased stability of astaxanthin with the increase in the concentration of nanofibrillated cellulose.-Enhanced bioaccessibility of astaxanthin. | [145] | |
Hydrophobic-hydrophilic cellulose particles | Vitamin B9 | Responsiveness of emulsions at pH 2, 4, and 7, vitamin B9 release depending on pH. | [146] | |
Cellulose nanocrystals | Clove bud oil | Pickering emulsions incorporated into pearl millet starch films with antimicrobial activity. | [147] | |
Tempo-oxidized cellulose nanocrystals | Ginger essential oil | -Pickering emulsions incorporated into starch-based films with improved antibacterial activity and tensile strength properties, decreased water vapor permeability.-Improved storage of tomatoes when coated with the films. | [148] | |
Fungal (Pleurotus eryngii) cellulose nanocrystals | Triterpenes | Enhanced stability of triterpenes. | [149] | |
Cellulose nanocrystals | Astaxanthin | -Structural stability of astaxanthin.-Inhibitory effect against E. coli and S. aureus. | [150] | |
Pineapple peel cellulose nanocrystals and (−)-epigallocatechin-3-gallate | Curcumin | -Improved bioaccessibility of curcumin.-Thermal and UV-light stability of emulsions, with a curcumin retention of 92%. | [151] | |
Cellulose nanocrystalline | Curcumin | -Stable emulsions up to 1 month.-Encapsulation efficiency: 99%.-Half-life of encapsulated curcumin: 98 days. | [152] | |
Undaria pinnatifida nanocellulose | Astaxanthin | -Stable emulsions at 50°C and 14 days.-Enhanced bioaccessibility of astaxanthin and release of free fatty acids. | [153] |
ROS: reactive oxygen species