Food Bioscience
·
2024
·
IF 4.8
Lijun Jiang,Chenyu Wang,Fan Zhao,Shuangdie Li,Di Sun,Qingbao Ma,Zhongjie Yu,Bin Zhang,Yu Liu,Wei Jiang
Aquatic products were susceptible to spoilage during storage due to microorganisms and enzymes , which could cause food safety problems. The electrospun nanofiber films, based on pullulan (PUL) and polyvinyl alcohol (PVA) incorporating bayberry pomace anthocyanin extract (BAE), were developed to monitor the freshness states of aquatic products in this study. The SEM results revealed that the electrospun nanofiber films exhibited a smooth surface, and the average diameter decreased from 481.56 nm to 237.68 nm as anthocyanin content increased from 0 to 20%. The FTIR and XRD results showed that there were no new characteristic peaks, confirming the successful loading of BAE. The incorporation of BAE decreased the water content (from 13.58% to 7.84%), swelling ratio (from 146.75% to 114.24%), water vapor permeability (from 3.38 g·mm·m −2 ·Pa −1 ·s −1 ·10 −5 to 2.00 g·mm·m −2 ·Pa −1 ·s −1 ·10 −5 ), and elongation at break (from 24.67% to 14.90%), but increased water solubility (from 74.99% to 85.74%) and water contact angle (from 51.84° to 63.73°). The electrospun nanofiber films presented obvious color changes in buffer solutions (pH 2.0 to 12.0) or volatile ammonia and showed good reversibility. Besides, the electrospun nanofiber films were stable during storage at 4 °C or 25 °C for 20 days. Furthermore, PUL-PVA-A15 effectively distinguished the freshness states (fresh, sub-fresh and spoiled) of Penaeus vannamei during storage at 4 °C by showing different colors (from pink to grayish purple to green). Therefore, the electrospun nanofiber films showed great potential to real-time monitor the quality of aquatic foods as intelligent packaging.
研究领域:
食品科学
·
材料科学
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF POWER SOURCES
·
2021
·
IF 9.127
Ruixiang Wang,Yuanliang Yuan,Jianbo Zhang,Xiaocong Zhong,Jiaming Liu,Yongmin Xie,Shuiping Zhong,Zhifeng Xu
Transition metal phosphide/carbon composites are promising electrocatalysts for oxygen reduction reaction (ORR). Herein, we propose a facile process to fabricate a bayberry-like N, P-enriched carbon nanospheres embedded with Fe 2 P nanocrystals (Fe 2 P/NPCs). Bayberry-like polyaniline nanospheres (PANI-NS) are firstly synthesized through microemulsion template method . Then, Fe is incorporated in PANI-NS during the hydrothermal treatment . Lastly Fe x P nanocrystals and N, P-enriched carbonaceous carriers are obtained by pyrolyzing the hydrothermal-treated PANI-NS. The resultant Fe x P/NPCs exhibit a uniform particle size (~250 nm), a large specific surface area (523 m 2 g −1 ) and a homogeneous mesoporous structure (~3.46 nm). The phase structure of Fe x P depends on the Fe/P (molar ratio) during hydrothermal treatment. When Fe/P is around 0.2, a preferable Fe 2 P phase is obtained. The Fe 2 P/NPCs exhibit outstanding ORR electrocatalytic activity with a half-wave potential of 0.820 V (vs. RHE) and a diffusion-limited current density of 5.58 mA cm −2 , comparable with commercial Pt/C. Moreover, Fe 2 P/NPCs possess a good duration stability and higher methanol tolerance than commercial Pt/C. When assembled in zinc-air batteries, Fe 2 P/NPCs contribute to an open circuit voltage of 1.449 V, a maximum power density of 128.38 mW cm −2 , and a specific capacity of 691.0 mAh g −1 , superior to the commercial Pt/C-based zinc-air battery.
研究领域:
材料科学
·
电化学
✓ 已验证
产品关联
DOI
高影响因子
MOLECULES
·
2024
·Vol. 29
·期 14
·3415
·
IF 4.2
Zhaolin Zhang,Qin Ruan,Xiaoming Sun,Jianfeng Yuan
Bayberry pomace, a nutrient-rich material abundant in dietary fiber (DF), has historically been underutilized due to a lack of thorough research. This study aimed to investigate the physicochemical and functional properties of the DF. Ultrasonic enzymatic treatment was performed to extract the total DF, which was then optimized to produce modified soluble dietary fiber (MSDF) and insoluble dietary fiber (MIDF). The optimized conditions yielded 15.14% of MSDF with a water-holding capacity (WHC) of 54.13 g/g. The DFs were evaluated for their structural, physicochemical, and functional properties. The MSDF showed a higher (p< 0.05) WHC, oil-holding capacity (OHC), swelling capacity (SC), cation exchange capacity (CEC), and glucose adsorption capacity (GAC) (about 14.15, 0.88, 1.23, 1.22, and 0.34 times) compared to the DF. Additionally, the MSDF showed strong, superior radical scavenging and blood sugar-lowering capabilities, with a more porous surface morphology. A Fourier-transform infrared (FT-IR) spectroscopy analysis indicated that enzymatic modification degraded the cellulose and hemicellulose, reducing the DF crystallinity. Overall, the results demonstrated that cellulase hydrolysis could effectively improve the physicochemical and functional properties of DF, thereby paving the way for its development into functional food products.
研究领域:
食品科学
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生物技术
·
营养学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
·
2023
·Vol. 34
·期 4
·1-12
·
IF 2.8
Wang He,Li Sirui,Zhu Hang,Yu Shaoyuan,Yang Tianye,Zhao Hongwei
For the rapid and accurate detection of trimethylamine (TMA) hazardous gases, a metal organic framework (MOF) derived bayberry-like In 2 O 3 architectures gas sensor was successfully prepared by a rapid and facile hydrothermal synthesis (30 min) and subsequent precise annealing process. The gas sensitivity test results show that the MOF-derived bayberry-like In 2 O 3 sensor has a low operating temperature of 120 °C, a response value of 23.2 to 20 ppm trimethylamine, a fast response speed of 1.4 s, and good selectivity and stability. In addition, the gas-sensing mechanism of the sample is discussed. It is considered that the unique MOF-derived bayberry-like architectures and the abundance of oxygen vacancies are the main reasons for its excellent gas-sensing performance. A possible growth mechanism is proposed by observing the morphological evolution of the samples at different stages. With excellent gas sensitivity, the MOF-derived bayberry-like In 2 O 3 architectures sensor will be an outstanding candidate for TMA gas detection application, seafood freshness detection, and renal disease detection.
研究领域:
材料科学
·
环境科学
·
化学
✓ 已验证
产品关联
DOI
高影响因子
Frontiers in Plant Science
·
2022
·
IF 6.627
Ren Chuanhong,Cao Yunlin,Xing Mengyun,Guo Yan,Li Jiajia,Xue Lei,Sun Chongde,Xu Changjie,Chen Kunsong,Li Xian
Glycosylation was catalyzed by UDP-glycosyltransferase (UGT) and was important for enriching diversity of flavonoids. Chinese bayberry (Morella rubra) has significant nutritional and medical values because of diverse natural flavonoid glycosides. However, information of UGT gene family was quite limited in M. rubra. In the present study, a total of 152 MrUGT genes clustered into 13 groups were identified in M. rubra genome. Among them, 139 MrUGT genes were marked on eight chromosomes and 13 members located on unmapped scaffolds. Gene duplication analysis indicated that expansion of MrUGT gene family was mainly forced by tandem and proximal duplication events. Gene expression patterns in different tissues and under UV-B treatment were analyzed by transcriptome. Cyanidin 3-O-glucoside (C3Glc) and quercetin 3-O-glucoside (Q3Glc) were two main flavonoid glucosides accumulated in M. rubra. UV-B treatment significantly induced C3Glc and Q3Glc accumulation in fruit. Based on comprehensively analysis of transcriptomic data and phylogenetic homology together with flavonoid accumulation patterns, MrUFGT (MrUGT78A26) and MrUGT72B67 were identified as UDP-glucosyltransferases. MrUFGT was mainly involved in C3Glc and Q3Glc accumulation in fruit, while MrUGT72B67 was mainly involved in Q3Glc accumulation in leaves and flowers. Gln375 and Gln391 were identified as important amino acids for glucosyl transfer activity of MrUFGT and MrUGT72B67 by site-directed mutagenesis, respectively. Transient expression in Nicotiana benthamiana tested the function of MrUFGT and MrUGT72B67 as glucosyltransferases. The present study provided valuable source for identification of functional UGTs involved in secondary metabolites biosynthesis in M. rubra.
研究领域:
植物生物学
·
分子遗传学
·
生物化学
✓ 已验证
DOI
PubMed
高影响因子
BIOORGANIC CHEMISTRY
·
2020
·
IF 4.831
Mengting Wang,Jianchu Chen,Xingqian Ye,Donghong Liu
Chinese bayberry leaves proanthocyanidins (BLPs) belongs to the prodelphinidin category with potent EGCG unit, whose inhibition effect on α-amylase and their interaction were investigated by in vitro digestion and enzyme kinetic analysis, multi fluorescence spectroscopies (fluorescence quenching, synchronous fluorescence, and three-dimensional fluorescence), circular dichroism spectra, Fourier transform infrared spectroscopy and in silico modelling. The results revealed that BLPs was a mixed inhibitor to α-amylase with the IC 50 value of 3.075 ± 0.073 μg/mL. BLPs could lead to a static fluorescence quenching of α-amylase, mainly by means of interacting with amino acids (mainly Try and Tyr residues) in one site on α-amylase molecule under the action of hydrogen bonding and/or Van der Waals force. This interaction further induced the change of secondary conformational structure, functional group structure and hydrophobicity of α-amylase, thus resulting in lowering activity. Molecular docking simulated that this binding occurred in a cavity on the surface of the α-amylase molecule, and BLPs trimer showed a relatively high binding energy. The present study provided a new insight of BLPs as an α-amylase inhibitor, which could be considered in anti-diabetic therapy.
研究领域:
食品科学
·
生物化学
·
药理学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
MOLECULES
·
2016
·Vol. 21
·期 9
·1148
·
IF 2.465
Shuxia Yan,Xianan Zhang,Xin Wen,Qiang Lv,Changjie Xu,Chongde Sun,Xian Li
Chinese bayberry (Morella rubraSieb. et Zucc.) fruit have a diverse flavonoid composition responsible for the various medicinal activities, including anti-diabetes. In the present study, efficient simultaneous purification of four flavonoid glycosides, i.e., cyanidin-3-O-glucoside (1), myricetin-3-O-rhamnoside (2), quercetin-3-O-galactoside (3), quercetin-3-O-rhamnoside (4), from Chinese bayberry pulp was established by the combination of solid phase extract (SPE) by C18 Sep-Pak®cartridge column chromatography and semi-preparative HPLC (Prep-HPLC), which was followed by HPLC and LC-MS identification. The purified flavonoid glycosides, as well as different fractions of fruit extracts of six bayberry cultivars, were investigated for α-glucosidase inhibitory activities. The flavonol extracts (50% methanol elution fraction) of six cultivars showed strong α-glucosidase inhibitory activities (IC50= 15.4–69.5 μg/mL), which were higher than that of positive control acarbose (IC50= 383.2 μg/mL). Four purified compounds1–4exerted α-glucosidase inhibitory activities, with IC50values of 1444.3 μg/mL, 418.8 μg/mL, 556.4 μg/mL, and 491.8 μg/mL, respectively. Such results may provide important evidence for the potential anti-diabetic activity of different cultivars of Chinese bayberry fruit and the possible bioactive compounds involved.Keywords:Morella rubrafruit;α-glucosidase inhibitory activity;flavonoid glycosides;purification
研究领域:
药理学
·
植物学
·
生物化学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
LWT-FOOD SCIENCE AND TECHNOLOGY
·
2017
·
IF 2.329
Yu Zhang,Xingqian Ye,Zhimin Xu,Jie Duan,Chaoyang Wei,Guihua Xu,Shiguo Chen
Three different Chinese bayberry leaves proanthocyanidins (BLPs) extracts were prepared by a normal extraction method, Sephadex LH-20 column purification (SPBLPs) and ultrasound degradation (UDBLPs). Their peroxyl radical scavenging capacity (PSC) and anti-lipid oxidation activity were evaluated. SPBLPs had a high PSC value at 23000.4 ± 398.5 mg of vitamin C equivalent/100 g. An emulsion model containing cholesterol and linoleic acid was used to evaluate the anti-lipid oxidation ability of BLPs. The inhibition rates of 7-ketocholesterol for the UDBLPs and SPBLPs at 40 μg/mL were 83.8 ± 0.6% and 88.5 ± 0.4% respectively, which were equivalent to that of artificial antioxidant BHT or TBHQ at 20 μg/mL. SPBLPs exhibited great antioxidant activity in prevention of lipid oxidation. The prevention of linoleic acid oxidation was highly correlated to the total phenolic contents (TPC), while the correlation of the inhibition of cholesterol oxidation and the proanthocyanidins contents was higher than that of the TPC. Overall, UDBLPs or SPBLPs could be a natural antioxidant applied for health promotion.
研究领域:
食品科学
·
植物化学
✓ 已验证
产品关联
DOI
高影响因子
FOOD CHEMISTRY
·
2020
·
IF 6.306
Shiguo Chen,Xuemin Shen,Wenyang Tao,Guizhu Mao,Wenyan Wu,Shengyi Zhou,Xingqian Ye,Haibo Pan
A physicochemically stable emulsion was developed by using a novel emulsifier, which was self-assembled colloidal complex of gelatin (GLT) and proanthocyanidins from Chinese bayberry ( Myrica rubra Sieb et Zucc.) leaves (BLPs), with epigallocatechin-3-O-gallate (EGCG) as structure units. The GLT–BLP colloidal complexes were spherically shaped by transmission electron microscope (TEM). The data of Fourier transform infrared spectrum (FTIR), circular dichroism (CD), isothermal titration calorimetry (ITC) revealed that the main binding force between GLT and BLPs of the colloidal complexes was hydrogen bond. The incorporation of BLPs to GLT provided GLT with stronger affinity at oil-water interface and thus enhanced the physical stability of GLT-stabilizing emulsion. In addition, the emulsions stabilized by the colloidal complexes showed higher oxidation stability than that stabilized by free GLT only. The novel emulsifier developed in this study have potential applications as functional emulsifiers in food-grade emulsions with high anti-oxidation activity.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Foods
·
2023
·Vol. 12
·期 13
·2471
·
IF 5.2
Jinjie Li,Yi Li,Xiangying Suo,Jiangtao Li,Da Huang,Guangning Kou
Bayberry is known to be a rich source of natural flavonoids and has been reported to have various health-promoting abilities. However, its function on regulating skeletal muscle fiber type remains unclear. This study examined whether bayberry extract affects skeletal muscle fiber type by promoting fast myofiber formation, as well as the potential molecular mechanism. After eight weeks, the “Biqi” bayberry extract (BBE) groups mice displayed markedly enhanced grip strength and improved metabolic rate compared to the control group mice. BBE also significantly increased myofibers size, LDH activity, MyHC-IIb (fast-twitch mRNA) expression, and the percentage of fast-twitch myofibers, while decreasing SDH activity, MyHC-I (slow-twitch mRNA) expression, and slow-twitch myofibers percentage in the skeletal muscle of the mice. The effect of BBE on regulating skeletal muscle fiber type remodeling is likely attributed to its activation of the Akt-FoxO1 pathway. Our findings indicated that BBE can effectively regulate the expression and proportion of fast-twitch fibers, making it a potential therapy for improving glucose homeostasis of skeletal muscle.Keywords:bayberry extract;skeletal muscle;fast-twitch fibers;myofiber type;FoxO1
研究领域:
药理学
·
分子生物学
·
运动生理学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
CARBOHYDRATE POLYMERS
·
2025
·
IF 12.5
Zhaolan Yan,Hongxu Chen,Hui Li,Bingbing Xia,Kun Wang
This study developed a multifunctional, intelligent packaging film (bayberry anthocyanins/Fe-CDs/κ-Carrageenan/gelatin) based on a stepwise strategy for the high-value utilization of bayberry processing residues. Anthocyanins were extracted from bayberry residue, and iron-doped carbon dots (Fe-CDs) were synthesized from the remaining biomass to achieve comprehensive resource recovery. The structural characterization and performance evaluation confirmed that the synergistic integration of anthocyanins with Fe-CDs within the κ-Carrageenan/gelatin matrix endowed the film with a more compact structure and essential functionalities. The addition of bayberry anthocyanins and Fe-CDs enhanced the thermal stability and barrier properties of the composite film. Furthermore, the film demonstrated freshness-indicating capability through broad-spectrum pH responsiveness, strong ammonia sensitivity, and acid-induced color recovery. Antibacterial efficacy was significantly enhanced by incorporating Fe-CDs, achieving inhibition rates of 89.95 % against Staphylococcus aureus and 94.60 % against Escherichia coli , and the antibacterial mechanisms of Fe-CDs at the cellular level was explored. In a fresh shrimp preservation model, the film containing 1.5 wt% Fe-CDs extended its shelf life by three days and enabled real-time visual monitoring of spoilage. This study provides valuable insights for the application of metal ion-doped carbon dots in food packaging materials and offering diversified development perspectives for plastic alternatives and multifunctional food packaging.
研究领域:
食品包装
·
食品科学
·
纳米技术
·
材料科学
·
食品保鲜
·
生物技术
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Food Structure-Netherlands
·
2021
·
IF 3.769
Yuxue Zheng,Jinhu Tian,Yukiharu Ogawa,Xiuxiu Yin,Enbo Xu,Shiguo Chen,Donghong Liu,Xiangli Kong,Xingqian Ye
Proanthocyanins from Chinese bayberry leaves (CBLPs) were co-extruded with rice flour at different concentrations. The physicochemical properties of the restructured rice were analysed with XRD, RVA, and DSC, while the digestibility was analysed with an in vitro digestion model. Results indicated that the extrusion process significantly reduced the degree of starch crystallinity and the addition of CBLPs enhanced this effect. The restructured rice with CBLPs showed higher peak viscosity and lower pasting temperature than those of the samples without CBLPs. With the increasing of CBLPs concentration, the equilibrium hydrolysis of rice starch decreased from 86.61% to 70.89% with a kinetics constant ( k ) ranged from 7.51 × 10 −2 to 4.71 × 10 −2 (min −1 ), indicating a good retardation of CBLPs on starch hydrolysis. Our results indicate that co-extruding CBLPs with rice flour could reduce its starch digestion significantly and be an option for producing staple rice food with lower digestion.
研究领域:
食品科学
·
营养学
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）