Resveratrol(3,5,4′-trihydroxystilbene,RES)is a polyphenolic phytoalexin widely studied in the recent years due to its known several biological activities.In spite of the potential benefits of RES,its use is restricte...Resveratrol(3,5,4′-trihydroxystilbene,RES)is a polyphenolic phytoalexin widely studied in the recent years due to its known several biological activities.In spite of the potential benefits of RES,its use is restricted because of its photosensitivity,low solubility,and fast metabolism,which intensely challenge its bioactivity and bioavail-ability.As RES is unstable against environmental conditions and due to its low bioavailability,multiple methods have been provided for the encapsulation of RES to facilitate its practical application in various fields.Encap-sulation is introduced as an appropriate strategy in order to maintain stability,high absorption,and sustained release rate of RES.This review attempts to discuss the recent techniques used in loading RES in micro/nano-carriers and explain their wide applications in food and biomedical industries.展开更多
This research aimed to produce a nano-hybrid mat based on electrospun gelatin nanofibers(EGNFs)reinforced with electrosprayed zein nanoparticles(EZNPs)containing tarragon essential oil(TEO).TEO was first loaded at10%,...This research aimed to produce a nano-hybrid mat based on electrospun gelatin nanofibers(EGNFs)reinforced with electrosprayed zein nanoparticles(EZNPs)containing tarragon essential oil(TEO).TEO was first loaded at10%,15%,and 20%w/w in the structure of EZNPs and used as a nano-biofiller to reinforce EGNFs mats.Field emission scanning electron microscopy(FESEM)images showed that using 15%w/w of the TEO in the structure of EZNPs led to the formation of particles with a uniform morphology and a smooth surface.Also,FESEM images revealed that increasing the level of nanoparticles from 0%to 10%w/w significantly reduced the diameter of EGNFs from 305.6 to 160.9 nm.The successful encapsulation of the TEO in the structure of EZNPs and the successful arrangement/incorporation of nanoparticles in the structure of EGNFs were confirmed using Fourier transform infrared analysis(FTIR).The EZNPs containing 15%w/w of TEO were employed in the EGNFs at 5%,10%,and 15%w/w,and the used nanoparticles at10%w/w reinforced the tensile strength and Young’s modulus of mats.The successful placement of EZNPs containing TEO in the EGNFs and the increase in thermal stability of TEO were confirmed by differential scanning calorimetry.In vitro release of TEO in simulated media proved that the dominant release mechanism is Fickian diffusion,and the best model describing the release behavior is Peleg’s model.Using 10%EZNPs loaded with TEO is recommended to improve the mechanical properties and sustain the release of the essential oil in food systems and food packaging.展开更多
文摘Resveratrol(3,5,4′-trihydroxystilbene,RES)is a polyphenolic phytoalexin widely studied in the recent years due to its known several biological activities.In spite of the potential benefits of RES,its use is restricted because of its photosensitivity,low solubility,and fast metabolism,which intensely challenge its bioactivity and bioavail-ability.As RES is unstable against environmental conditions and due to its low bioavailability,multiple methods have been provided for the encapsulation of RES to facilitate its practical application in various fields.Encap-sulation is introduced as an appropriate strategy in order to maintain stability,high absorption,and sustained release rate of RES.This review attempts to discuss the recent techniques used in loading RES in micro/nano-carriers and explain their wide applications in food and biomedical industries.
文摘This research aimed to produce a nano-hybrid mat based on electrospun gelatin nanofibers(EGNFs)reinforced with electrosprayed zein nanoparticles(EZNPs)containing tarragon essential oil(TEO).TEO was first loaded at10%,15%,and 20%w/w in the structure of EZNPs and used as a nano-biofiller to reinforce EGNFs mats.Field emission scanning electron microscopy(FESEM)images showed that using 15%w/w of the TEO in the structure of EZNPs led to the formation of particles with a uniform morphology and a smooth surface.Also,FESEM images revealed that increasing the level of nanoparticles from 0%to 10%w/w significantly reduced the diameter of EGNFs from 305.6 to 160.9 nm.The successful encapsulation of the TEO in the structure of EZNPs and the successful arrangement/incorporation of nanoparticles in the structure of EGNFs were confirmed using Fourier transform infrared analysis(FTIR).The EZNPs containing 15%w/w of TEO were employed in the EGNFs at 5%,10%,and 15%w/w,and the used nanoparticles at10%w/w reinforced the tensile strength and Young’s modulus of mats.The successful placement of EZNPs containing TEO in the EGNFs and the increase in thermal stability of TEO were confirmed by differential scanning calorimetry.In vitro release of TEO in simulated media proved that the dominant release mechanism is Fickian diffusion,and the best model describing the release behavior is Peleg’s model.Using 10%EZNPs loaded with TEO is recommended to improve the mechanical properties and sustain the release of the essential oil in food systems and food packaging.
