FOOD CHEMISTRY
·
2023
·
IF 8.8
Shenwan Wang,Xiaoyan Zheng,Lili Zheng,Yang Yang,Dao Xiao,Haide Zhang,Binling Ai,Zhanwu Sheng
Inhibiting the formation of advanced glycation end products (AGEs) in the heat-processed food can reduce health risks related to diabetic complications. However, additives used for this purpose may also affect the sensory characteristics of food products. In this study, the effects of six hydrocolloids on the formation of AGEs were evaluated in the lysine–glucose model, with κ-carrageenan exhibited the highest inhibitory activity. Mechanistic investigations indicated that κ-carrageenan conjugated with the key intermediates of AGEs, namely glyoxal (GO) and methylglyoxal (MGO). Subsequently, the inhibitory effect of κ-carrageenan on AGEs formation in cakes was verified. The data showed that κ-carrageenan in cakes significantly inhibited the formation of fluorescent and non-fluorescent AGEs. In addition, analysis of cake characteristics and sensory evaluation showed that cakes with 1% (w/w) κ-carrageenan had the highest quality and overall acceptance. Overall, κ-carrageenan is an effective inhibitor of AGEs formation in heat-processed food.
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高影响因子
JOURNAL OF MOLECULAR LIQUIDS
·
2023
·
IF 6
Zhicheng Deng,Junhao Zhu,Yun Chen,Nanjing Zhong,Chao Huang,Yong Hu
A novel nanohybrid polysaccharide hydrogel was prepared using octenyl succinic anhydride/β-cyclodextrin nanoparticles (OS-β-CD NPs) crosslinked with polyvinyl alcohol (PVA) and κ-carrageenan (κ-CRG) via cascade self-assembly. FTIR and 1 HNMR confirmed that the formation of NPs/PVA/κ-CRG hydrogels was mainly by hydrogen bonds and electron forces. Results of SEM showed that the NPs/PVA/κ-CRG hydrogels had a well-developed porous structure with interconnected pores of about 4.22 μm. Measurements of rheological, swelling, and thermogravimetric revealed that the NPs/PVA/κ-CRG hydrogels had a good solid-like properties and enhanced mechanical strength due to the participation of OS-β-CD NPs in the formation of hydrogel network structure. In vitro release of the NPs/PVA/κ-CRG hydrogels loaded with vitamin E (VE) and proanthocyanidins (PC) simultaneously in PBS showed that the hydrogels could commendably control the explosive release of VE and PC and prolong release period during co-delivery. Moreover, the double active compounds loaded NPs/PVA/κ-CRG hydrogels were beneficial in enhancing synergistic antioxidant capacity.
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INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
·
2023
·
IF 8.2
Xing Wu,Jingya Zhou,Zeng Liu,Jia Liu,Shu He,Wei Shao
The research and development trend of food packaging is changing from synthetic polymers to eco-friendly materials such as polysaccharides and other hydrocolloids , aiming to solve the problem of pollution from plastic wastes. In this work, a biodegradable food packaging noted KC/PT film was constructed using konjac glucomannan (KGM)/carrageenan (CAR) composite as the matrix and peppermint essential oil (PO)/thymol (THY) with synergistic effect as the reinforcements. The KC/PT film showed great mechanical properties, UV-blocking activity, increased water contact angle and reduced water vapor permeability. Due to the synergistic effect between PO and THY, the KC/PT film showed excellent antioxidant performance and antibacterial behavior against Escherichia coli ATCC 25922, Listeria monocytogenes ATCC 19115 and Staphylococcus aureus ATCC 6538. The antibacterial mechanism was further illustrated. The prepared KC/PT film, as a unique packaging film, not only successfully extended the shelf life of strawberry to 16 days at 4 °C, but also well expressed its environmental friendliness that it could nearly degrade after 47 days in natural soil conditions. Most importantly, the film exhibited good stability in terms of mechanical properties, antioxidant activity and antibacterial performances after 4 months storage. Therefore, the film the KC/PT film has great potentials in the field of food packaging area.
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INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
·
2023
·
IF 8.2
Ahmed M. Omer,Mohamed El-Sayed,Eman M. Abd El-Monaem,Gehan M. El-Subruiti,Abdelazeem S. Eltaweil
The aggravated problem of lead pollution, especially in aquatic environments, necessitates the development of eminent adsorbents that could radically solve this environmental problem. Hence, a new composite was constructed based on iota carrageenan ( i .Carr), graphene oxide (GO) and magnetite (Fe 3 O 4 ) for removing noxious Pb 2+ ions. The GO@Fe 3 O 4 - i .Carr composite was characterized by VSM, SEM, XPS, XRD, FTIR and Zeta potential . The removal of Pb 2+ ions attained a quick equilibrium of almost 30 min with a removal efficiency reaching 93.68 %. The removal of Pb 2+ was boosted significantly, in the order of GO@Fe 3 O 4 - i .Carr(1:1) > GO@Fe 3 O 4 - i .Carr(1:3) > GO@Fe 3 O 4 - i .Carr(3:1). Moreover, acquired experimental data fitted the pseudo 2nd order kinetic model and Freundlich isotherm model with a maximal monolayer adsorption capacity reached 440.05 mg/g. Notably, after five adsorption runs, the composite maintained its removal efficiency exceeding 74 %. The assumed adsorption mechanisms of Pb 2+ onto GO@Fe 3 O 4 - i .Carr were complexation, precipitation, Lewis acid-base, and electrostatic attraction forces. Overall, the GO@Fe 3 O 4 - i .Carr composite elucidated the auspicious adsorbent criteria, comprising fast adsorption with high performance, ease-separation and tolerable recyclability, advising its feasible use to decontaminate water bodies from hazardous heavy metals.
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EUROPEAN POLYMER JOURNAL
·
2023
·
IF 6
Qianxiao Chen,Yiming Zhou,Shicheng Lu,Wenkai Xu
A novel κ -carrageenan composite hydrogel via incorporation of TEMPO-oxidized cellulose nanofibrils (TCNF) and polydopamine (PDA) nanoparticles, was fabricated by ionic interaction to achieve a higher mechanical and higher conductive performance. Owing to the excellent compatibility and stability of the TCNF-PDA mixture, and the strong ionic interactions between the hydrogel precursor and metal cations in the hydrogel formation, the composite hydrogel showed improved mechanical property of 73.5 kpa and a faster gel formation process of 58 s. The gel formation mechanism was comprehensively illustrated by XPS technique, a double-network with one main noncovalent interaction was created inside the hydrogels. Moreover, the inter-connected porous hydrogel structure with smaller pores improved current carrying and diffusion of electrolyte metal cations, the conductivity reached at 2.13 S/m. It could also sensitively and stably detect the external stress applied, demonstrating such hydrogel was beneficial to be applied at flexible electronic devices.
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FOOD CHEMISTRY
·
2023
·
IF 8.8
Wenjuan Wang,Rui Sun,Suping Ji,Qiang Xia
This work investigated the characteristics of pea protein isolate and κ-carrageenan complexes in stabilizing curcumin-loaded emulsions. The complexes structured by electrostatic attraction exhibited biphasic wettability with increased three-phase contact angles close to 90°. Morphological differences in the complexes were the critical factor influencing their emulsifying ability at various pH. As a steric barrier via increasing net negative charge (up to −54.7 ± 2.4 mV) and adsorbed protein content (92.57 %–97.61 %), the interfacial layer could retard droplet coalescence and improve emulsions stability. Rheological tests verified the higher viscoelasticity of emulsions by raising the oil fraction. After 4 weeks of heating treatment, the chemical stability of curcumin was prominently enhanced from 18.6 ± 0.2 % to 64.3 ± 5.7 %. The confirmed synergistic antioxidant activity between grape seed oil and curcumin in emulsions might facilitate the development of specific functional delivery systems in foods.
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CHEMICAL ENGINEERING RESEARCH & DESIGN
·
2023
·
IF 3.9
Rui Hao,Haixia Ji,Li Gao,Jiahui Chen,Ying Shi,Junyan Yang,Changchun Yuan
Pollution of water resources has become a global environmental problem, and the massive discharge of high-color printing and dyeing wastewater has caused serious harm to the natural environment. In this work, we have used repeated alkali solubilization and acid precipitation for an agricultural and forestry by-product, bilberry kernel shells, to obtain Mountain apricot shell Melanin (Mas-Mel), which can be used for the adsorption of cationic dyes. By graft copolymerization with a natural sugar-based polymer, κ-carrageenan (κCA), in a mild manner, we have prepared the adsorbent, Mountain apricot shell Melanin /κ-carrageenan (Mas-Mel/κCA) hydrogel beads, which were physically and chemically analyzed using a variety of spectroscopic and microscopic techniques. The optimum conditions for methylene blue (MB) adsorption and malachite green (MG) on Mas-Mel/κCA hydrogel were: contact time 150 min, adsorbent dose 60 mg, pH 6–7. The results of the adsorption tests followed the Pseudo-second order kinetics (R 2 = 0.97 and 0.95), and the maximum adsorption capacity of MB and MG based on the Langmuir isotherm model was 48.63 mg/g and 37.84 mg/g, respectively. In addition, the prepared hydrogel beads still exhibited a high reusability and removal rate (∼50 %) after three consecutive 400-minute cyclic adsorption-resolution cycles. Our results may provide a new strategy for the development of green bio-based adsorbent materials and industrial dye wastewater treatment .
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JOURNAL OF POLYMERS AND THE ENVIRONMENT
·
2021
·Vol. 30
·期 3
·1001-1011
·
IF 3.667
Wang Fen,Duo Tongtong,Wang Yongxin,Xiao Zhihong,Xu Airong,Liu Rukuan
In this work, a novel PEI/CG composite was fabricated via a facile one-step strategy at ambient conditions using biodegradable and highly absorbent κ -carrageenan (CG) as a matrix, polyethyleneimine (PEI) as a functional component and poly(ethylene glycol) diglycidyl ether (PGDE) for cross-linking PEI/CG. Systematic investigations were carried out to determine the optimal PEI/CG mass ratio, PGDE/PEI mass ratio and the total concentration of CG and PEI in CG/PEI/PGDE/5 wt% NaOH solution. Batch adsorption experiments have been achieved to investigate the effects of different parameters including solution pH, adsorbent dose, initial Cu 2+ concentration, solution temperature and contact time on the adsorption performance of the composite towards Cu 2+ . Interestingly, the PEI/CG composite showed efficient Cu 2+ adsorption performance. Furthermore, adsorption kinetics, thermodynamics and isotherms have also been investigated to reveal Cu 2+ adsorption behavior and mechanism by the composite during the Cu 2+ adsorption process. In addition, the PEI/CG composite after Cu 2+ adsorption was also investigated with FT-IR and EDS technique to estimate adsorbed Cu 2+ onto the composite. This work opened up new horizons for the fabrication of novel PEI composite with practical application using a facile one-step fabrication strategy.
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FOOD CHEMISTRY
·
2020
·
IF 6.306
Jia-Nan Yan,Yu-Qiao Wang,Xin-Yu Jiang,Jia-Run Han,Yi-Nan Du,Jin-Feng Pan,Hai-Tao Wu
The electrostatic complex coacervation between scallop Patinopecten. yessoensis male gonad hydrolysates (SMGHs) and κ -carrageenan ( κ -C) were monitored by using turbidimetry at various pH (1–12) and biopolymer mixing ratio (9:1–1:9). The pH c exhibited ratio-independent behavior, and pH φ1 , pH max exhibited ratio-dependent behavior, respectively. The decreasing ratio enhanced the gel strength of SMGHs/ κ -C at higher pH while inversely at lower pH, ascribing to more SMGHs aggregates and stronger neutralization between positively charged patches in SMGHs and κ -C at lower pH and higher ratio. Moreover, SMGHs/ κ -C gel at acid condition exhibited lower relaxation times ( T 21 and T 23 ). Furthermore, the rheological and relaxation time T 2 data were well associated with microscopy images which indicated that SMGHs/ κ -C gel showed a well-distributed network structure at more acidic domains, supporting stronger gel rigidity and water-holding capacity.
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FOOD HYDROCOLLOIDS
·
2020
·
IF 7.053
Hai He,Huawei Bian,Fengwei Xie,Ling Chen
This study compared the different effects of pectin (PE) and κ-carrageenan (CG) on the multilevel structures ( i.e. granule, crystallites, helices, fractals, and short-range order) and in vitro digestibility of extruded rice starch (MERS). The addition of either PE or CG altered the multiscale structures, increased the resistant component (RC) content, and reduced predicted glycemic index (pGI), with CG being more effective especially at a low content. CG led to the growth of molecular aggregates (α), single-helices, and V-type crystals ( X V ). PE resulted in higher contents of double-helices and A + B-type crystals ( X A+B ) and enhanced the short-range order ( R 1045/1022 ) and particle compactness. Pearson correlation analysis indicates that, for MERS/PE, the slowly-digestible component (SDC) and RC contents were influenced by different factors in the sequence of total crystallinity ( X Total ) > X A+B > X V > single-helix content > α > R 1045/1022 > double-helix content. For MERS/CG, the RC content was affected by X Total > single-helix content > X V .
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INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
·
2024
·
IF 7.7
Fan Li,Shuangshuang Zhu,Yuhan Du,Taotao Zhe,Kaixuan Ma,Mengru Liu,Li Wang
Exploring biopolymer-based antibacterial packaging materials is promising to tackle the issues caused by petroleum plastic pollution and microbial contamination. Herein, a novel packaging material with two antibacterial modes, continuous and efficient, is constructed by dispersing positively charged spermidine carbon dots (Spd-CDs) in a carrageenan/polyvinyl alcohol (CP) composite biopolymer. The obtained nanocomposite film (CP/CDs film) not only gradually releases the ultra-small Spd-CDs but also rapidly generates reactive oxygen species to inhibit the reproduction of E. coli and S. aureus . Benefiting from the complementary advantages of carrageenan and polyvinyl alcohol, as well as the addition of Spd-CDs, the CP/CDs films exhibit high transparency, good mechanical performance, water vapor barrier ability, low migration, etc. The CP/CDs film as a packaging material is validated to be effective in preventing microbial contamination of pork samples. Our prepared nanocomposite film with sustainability and efficient antibacterial properties is expected as food active packaging.
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FOOD HYDROCOLLOIDS
·
2025
·
IF 12.4
Renyuan Wang,Qiaoyan Wang,Jie An,Ying Wang,Qiang Xia,Daodong Pan,Lihui Du,Jun He,Yangying Sun,Jinxuan Cao,Renyou Gan,Changyu Zhou
Emulsion-filled hydrogels have recently attracted interest against foodborne pathogens. However, the relationship between fibrinogen hydrolysate-carrageenan (AHs-C) and carboxymethyl chitosan-cinnamaldehyde (CMCS-CAL), as well as the antibacterial effect, were not investigated during the formation of emulsion-filled hydrogels. To explore the interaction mechanism between AHs-C and CMCS-CAL as well as the antimicrobial effect of the emulsion-filled hydrogels, the emulsion-filled hydrogels were fabricated using different ratios of AHs-C and CMCS-CAL. The morphological characteristics, structural changes, antimicrobial capacity, and release behavior of cinnamaldehyde were evaluated. The rheological results showed that the hydrogel of AHs-C/CMCS-CAL-5:1 exhibited the highest crossover strain value (23.7%) and formed more stable network structure compared with other groups (AHs-C, AHs-C/CMCS-CAL-10:1, 20:1, 40:1). FTIR and XPS showed that CMCS-CAL was bonded to AHs-C via Schiff bases, hydrogen bonds and electrostatic interactions, where AHs-C/CMCS-CAL-5:1 showed more interaction between AHs-C and CMCS-CAL, and higher thermal stability compared with other groups. The inhibition of AHs-C/CMCS-CAL-5:1 against Staphylococcus aureus and Salmonella enteritidis reached 99.9%, and the release kinetics of cinnamaldehyde demonstrated that the release of cinnamaldehyde in AHs-C/CMCS-CAL transitioned from dissolution diffusion to Fick diffusion in gastrointestinal simulation experiments, which was mainly responsible for the sustaining inhibition of foodborne pathogens.
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