Food Packaging and Shelf Life
·
2025
·
IF 10.6
Wenjun Wu,Jiahao Zhong,Zhichao Yang,Ziqiang Qin,Chaoyi Shen,Zihan Cai,Xiangzheng Yang,Qilei Li,Da Wang,Jiangkuo Li,Xian Li,Di Wu,Kunsong Chen
To reduce postharvest mechanical damage, an in-situ fruit packaging solution integrating both force cushioning and real-time sensing functions is proposed. This was achieved using the synergistic effects of ion cross-linking and the Hofmeister effect to create ZnSO 4 cross-linked double-network hydrogels directly on the fruit surface. The results show that the hydrogels exhibited superior compressive strength, deformability, and Young’s modulus. With increasing concentrations of the ZnSO 4 solution, the compressive property, Young’s modulus, and cross-linking density of the hydrogels increased, while their energy dissipation rate decreased. The hydrogels cross-linked with a 0.3 M ZnSO 4 solution was the optimal one, achieving an energy dissipation rate of 35.2 %, while their compressive strength was 3.5 times that of the uncross-linked hydrogels, along with 3.9 times higher ionic conductivity and 75.9 % lower resistance. The optimal hydrogels could output electrical signals in response to strain at different rates and proportions and exhibited stable sensing over 100 compression cycles. Furthermore, the performance of the optimal hydrogels was evaluated using ripe and fragile kiwifruit. The cushioning test results show that the hydrogels could reduce vibration, compression and dropping damage, therefore effectively protecting the fruit. Besides, the hydrogels could quantitatively detect the compression force acting on fruit surfaces by outputting electrical signals in real-time. Additionally, the hydrogels achieved 96.8 % biodegradation within 6 h and had good biocompatibility. Overall, the present study proposed an idea of fabricating an in-situ fruit packaging with both cushioning and real-time sensing functions to reduce mechanical damage and facilitate inspection for fruit during postharvest transportation.
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Journal of Functional Foods
·
2024
·
IF 3.8
Xiaotian Xu,Xinhui Li,Xingshu Wei,Xiaoqun Duan,Yuhui Wang
Passion fruit peel fermentation extract (PFPFE) increased gastrointestinal transport power and fecal moisture content, protected the structural integrity of colon tissue, and reduced inflammatory infiltration. PFPFE also increased secretion of the ET-1, GAS, MTL, and SP, and decreased secretion of the inhibitory SS and VIP. In addition, PFPFE alleviated perirectal redness and hemorrhage in hemorrhoid mice, and downregulated levels of the serum inflammatory factors tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), and interleukin-1β (IL-1β). In this study, we also analyzed the main active components and core targets of PFPFE for alleviating constipation and hemorrhoids through network pharmacology, and predicted its mechanism of action. Finally, we carried out Western blot experiments to verify that PFPFE and its active component kae alleviates constipation and hemorrhoids in mice by downregulating ESR1 and PI3K/Akt pathways. These results provide a scientific basis for the development of PFPFE as a functional food for alleviating constipation and hemorrhoids.
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FOOD CHEMISTRY
·
2021
·
IF 7.514
Xiaohuan Zang,Qingyun Chang,Yachao Pang,Ling Wang,Shuaihua Zhang,Chun Wang,Zhi Wang
A boron nitride modified multiwalled carbon nanotube material (BN@MWCNTs) was synthesized, and the synthesis conditions were optimized. The BN@MWCNTs was then used as the SPME fiber coating adsorbent for the extraction of eleven organochlorine pesticides (OCPs) from fruit and vegetable samples. Under the optimal conditions, the SPME coupled with the detection by GC-ECD had a linear response for the determination of the target analytes in the range of 0.03 to 200 ng g −1 with the coefficients of determination ( r 2 ) ≥ 0.9977. Based on the signal-to-noise ratios of 3 and 10, the limits of detection and the limits of quantification were measured to be 0.01–0.20 ng g −1 and 0.03–0.67 ng g −1 , respectively. The relative recoveries of the analytes for spiked samples under three concentration levels (1.0, 10.0 and 100 ng g −1 ) were between 83.7% and 124% with the relative standard deviations ≤ 10.9%. The established method was successfully applied to the determination of OCPs in real fruit and vegetable samples.
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Food Bioscience
·
2024
·
IF 4.8
Yifan Ping,Yang Yang,Hongfei Gao,Xiuwei Liu,Jun Pan,Ke Zhang,Huiyan Gu,Hao Tian,Lei Yang
In this study, three different target analytes from the fruit of myrtle ( Rhodomyrtus tomentosa ) were extracted via an enzymatic-homogenate synergistic extraction (EHSE) process, and 10 different aqueous solutions of natural surfactants were selected as extraction solvents, thus enabling the simultaneous extraction of piceatannol, resveratrol, and myricetin from the fruit of myrtle ( Rhodomyrtus tomentosa ). Important factors affecting the yield of piceatannol, resveratrol, and myricetin, including enzyme type, enzyme concentration, pH, surfactant type and dosage, homogenization time, liquid‒solid ratio, incubation and extraction time, incubation time and extraction temperature, were optimized via single-factor experiments. Three important parameters were optimized via the Box‒Behnken design: the liquid‒solid ratio, the incubation–extraction time, and the reaction temperature. The final optimum extraction process conditions were as follows: β-glucosidase concentration, 3.0%, homogenate; time, 3 min; pH, 5; tea saponin concentration, 0.8%; liquid‒solid ratio, 45 mL/g; incubation–extraction time, 2.5 h; and temperature, 67.5 °C. With the optimized experimental parameters, the piceatannol, resveratrol, and myricetin yields were 742.12 ± 37.11 μg/g, 18.58 ± 0.94 μg/g, and 24.83 ± 1.25 μg/g, respectively. Methodological validation and comparison experiments with traditional solvents demonstrated that EHSE is a successful, green, and safe method for extracting active plant components. This approach employs an ecologically benign water-based solution of tea saponin as the extraction solvent, and it combines enzymatic and homogenate procedures to increase extraction efficiency. This study provides a reasonable basis for the application and research of synergistic extraction technology and suggests that more diverse solvent choices should be considered.
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PHYSIOLOGICAL AND MOLECULAR PLANT PATHOLOGY
·
2025
·
IF 3.3
Xiaorui Wang,Mingming Huang,Wenhui Li,Yingying Shi,Yinuo Tang,Han Zhang,Bin Wu,Zheng Zhang,Zunyang Song,Jingying Shi
Peach fruit is highly susceptible to Monilinia fructicola ( M. fructicola ), a pathogen that causes significant postharvest losses. Enhancing the efficacy and reducing the dosage of chemical fungicides are critical for controlling brown rot caused by M. fructicola . Natural volatile organic compounds (VOCs) have been proposed as a selective method for managing postharvest pathogen infection. Among these, 2-decanone, a natural volatile produced by fungi and insects, has demonstrated potential in inhibiting pathogen growth. In this study, 60 μL/L 2-decanone effectively inhibited the growth of M. fructicola mycelia. It also reduced spore germination and appressorium formation by downregulating the expression of MfBmp1 and MfPls1 , respectively. In addition, 2-decanone induced spore apoptosis by increasing reactive oxygen species (ROS) accumulation and exacerbating mitochondrial damage. When applied to peach fruit, 2-decanone fumigation significantly reduced disease incidence and lesion diameter compared to the control group, without adversely affecting fruit quality during storage. Furthermore, we observed that 2-decanone exhibited synergistic effects when combined with boscalid, effectively inhibiting the growth of M. fructicola . Applying boscalid 15 days before harvest and fumigating with 2-decanone postharvest provided similar brown rot suppression as boscalid alone but used only one-tenth the amount of fungicide. Overall, 2-decanone fumigation presents an effective strategy for controlling postharvest brown rot disease in peaches, and its combined use with boscalid introduces a promising approach for enhancing postharvest peach fruit preservation.
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FOOD CHEMISTRY
·
2024
·
IF 8.5
Ling-Zhi Liu,Rui Zhou,Yong-Li Li,Yue-Hong Pang,Xiao-Fang Shen,Jun Liu
Neonicotinoids, the fastest-growing class of insecticides, have posed a multi-media residue problem with adverse effects on environment, biodiversity and human health. Herein, covalent organic framework-sodium alginate-Ca 2+ -polyacrylic acid composite beads (CACPs), facilely prepared at room temperature, were used in convenient dispersive solid-phase extraction (dSPE) and combined with high-performance liquid chromatography (HPLC) for the detection of five neonicotinoid insecticides (thiamethoxam, acetamiprid, dinotefuran, clothianidin, imidacloprid). CACPs can be completely separated within 1 min without centrifugation. After seven adsorption/desorption cycles, it maintained high extraction efficiencies (>90%). The developed method exhibited a wide linear range (0.01 ∼ 10 μg mL −1 ), low limits of detection (LODs, 0.0028 ∼ 0.0031 mg kg −1 ), and good repeatability (RSD ≤ 8.11%, n = 3). Moreover, it was applied to the determination of five neonicotinoids in fruit and vegetables (peach, pear, lettuce, cucumber, tomato), and recoveries ranged from 73.6% to 116.2%.
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高影响因子
Food Packaging and Shelf Life
·
2026
·
IF 10.8
Huan Zhang,Haozhe Kong,Farhana R. Pinu,Jinquan Feng,Penghui Zhu,Yunfei Xie,Zhilong Yu
A Cu-based metal–organic framework called HKUST-1 holds critical potential for minimizing postharvest fruit waste by regulating C 2 H 4 concentration. However, their practical application in food packaging remains constrained by structural instability and diminished C 2 H 4 adsorption under high humidity. Here, we improved the hydrophobicity and gas adsorption performance of HKUST-1 with folic acid and silver nanoparticles (AgNPs) using a simple post-synthetic modification strategy. The moisture resistance was significantly enhanced with water contact angle increasing from 55.03° to 103.70°. For HKUAg-1, the C 2 H 4 adsorption capacity increased up to 126.66 cm 3 /g STP, showing a 10 % increase compared with HKUST-1. For the modified material, Cu 2 ⁺ and AgNPs serve as the primary adsorption sites, while folic acid functions as a secondary site that further enhances C 2 H 4 adsorption. Finally, HKUAg-1 was applied to bananas, and the results showed that under 90 % relative humidity, the fruits retained a yellow-green appearance up to day 7. Starting from day 3, HKUAg-1 significantly reduced weight loss, C 2 H 4 production, respiration rate, and downregulated pectin esterase and pyruvate kinase activities. The results suggest that HKUAg-1 has great potential for use in active packaging to delay ripening and extend the shelf life of bananas even under high-humidity conditions.
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INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
·
2026
·
IF 8.7
Bihua Xia,Runyi Qu,Jin Xu,Yang Wang,Ting Li,Mingqing Chen,Shibo Wang,Weifu Dong
This study reports on the development of an innovative Chlorogenic acid-allicin-porphyrin-CMCS/SA composite film designed for fruit preservation through coating applications. Chlorogenic acid (CA) and allicin were polymerized via precipitation to synthesize CAA nanoparticles, which then adsorbed cationic porphyrin through charge interaction mechanisms to form chlorogenic acid-allicin-porphyrin (CAAT) composite nanoparticles. This antimicrobial component exhibits significant photosensitivity. These nanoparticles were incorporated into a film matrix composed of carboxymethyl chitosan and sodium alginate (CMCS/SA). The CAAT-CMCS/SA composite film was fabricated using a solution-blending technique, integrating the photosensitive antibacterial agent uniformly within the polymeric network. A comprehensive investigation was conducted to characterize the structural properties of the CAAT nanoparticles and their capacity to generate reactive oxygen species (ROS) under visible light irradiation. The functional attributes of the composite film—including ultraviolet (UV) shielding efficiency, water solubility, antimicrobial performance, biocompatibility, and efficacy in fruit preservation—were systematically evaluated. Experimental findings confirmed that the CAAT-CMCS/SA composite film possesses strong UV-blocking capability (>80%), high transparency (>85%), facile washability (4 min), significant antibacterial activity (100%), and effective fruit preservation performance. These results underscore the potential of this composite film as a promising material for advanced food preservation packaging.
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FOOD RESEARCH INTERNATIONAL
·
2026
·
IF 8
Tian Tian,Yu Peng,Shuangyang Chen,Yue Zhang,Yi Li,Aonan Xia,Erhu Li,Xuedan Cao
Feruloyl esterase (FAE)-producing lactobacillus strains were selected from the citrus whole-fruit pulp after 48 h of fermentation. Among them, Lactiplantibacillus plantarum K33 showed the highest ferulic acid (FA) producing ability. Using citrus whole-fruit pulp as the fermentation matrix, physicochemical, compositional, and sensory outcomes were compared between pulps fermented by K33 and by the commercial strain L. plantarum N13 (Lp-N13). After fermentation, K33 increased total acidity, lowered pH, and markedly raised FA concentration and total phenolic content (TPC). Fermentation also altered other organic acids and volatile profiles: L-malic acid decreased significantly, whereas lactic and succinic acids increased. Terpenes remained predominant, with a significant rise in the relative proportion of alcohols. KEGG analysis showed that the differential of organic acids was mainly associated with arginine biosynthesis and other pathways. Sensory evaluation indicated enhanced lactic acid flavor and reduced citrus-peel aroma. Overall, K33 shows promise for fermentation of functional plant-based beverages.
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MICROCHEMICAL JOURNAL
·
2026
·
IF 5.2
Kaiwen Xiao,Binhao Li,Huiting Diao,Qing Xu
A novel MON effectively integrates with magnetic MWCNT to construct MMWCNT@MON(MMON). • The MMON/MMWCNT int-ext hybrid exhibits substantial synergistic effects. • MMON/MMWCNT magnetically immobilized on the MGCE renders favorably stable signals. • MMON/MMWCNT@MGCE exhibits high CA sensitivity and low LOD. • The sensor successfully detected CA levels in various fruits with satisfactory recovery. Caffeic acid (CA) is a phenolic compound widely distributed in plants, possessing anti-inflammatory and antioxidant activities, yet it is also associated with potential carcinogenic risks. Therefore, developing a simple and sensitive electrochemical sensor for CA detection is of great significance. In this work, a novel magnetic sensor was fabricated for the first time by combining a room-temperature-synthesized microporous organic network (MON) with magnetic MWCNTs, and the magnetic property of the composite was utilized in conjunction with a magnetic glassy carbon electrode (MGCE) to achieve a binder-free and robust assembly. The sensor was employed for highly sensitive detection of CA, achieving an ultrahigh sensitivity of 124.9 μA μM −1 cm −2 . The composite exhibited remarkable synergistic effects: MMWCNTs provided structural support, magnetism, and signal amplification, while MMON (472.48 m 2 g −1 , 160.5 Ω) demonstrated superior conductivity compared to pure MON (493.44 m 2 g −1 , 409.7 Ω) while retaining a high specific surface area. The sensor displayed excellent electrocatalytic performance toward CA, with a wide linear range of 0.05–10 μM, a detection limit of 3.98 nM (S/N = 3), and satisfactory reproducibility, selectivity, and stability. Real-sample analysis of freshly squeezed juices from apples, blueberries, grapes, and tomatoes via the standard addition method, validated by UV–Vis spectrophotometry, yielded recoveries ranging from 94.9% to 102.8%, demonstrating satisfactory results. Compared to traditional sensors, this sensor offers significant advancements in preparation time, economic efficiency, and sensing performance, demonstrating great potential for rapid and sensitive detection in the food industry. Download: Download high-res image (98KB) Download: Download full-size image
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JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
·
2026
·Vol. 74
·期 30
·23556-23575
·
IF 6.7
Li Wennian,Huang Yujie,Su Hualing,Nong Jiale,Liang Wenyu,Liu Yonghong,Zhao Longyan,Yuan Qingxia
Pectic
polysaccharides hold therapeutic potential for ulcerative
colitis (UC). This study reports the first isolation of two structurally
distinct pectins from Avicennia marina fruit pericarp: AMPP-2-1 (158 kDa), a rhamnogalacturonan-I (RG-I)-rich
pectin with galactan branches and intricate arabinan side chains rich
in β-Ara f terminals; and AMPP-2-2 (16 kDa),
a low-molecular-weight homogalacturonan (HG)-rich pectin with unsaturated
Gal p A at the nonreducing ends. Both pectins significantly
ameliorated dextran sodium sulfate-induced UC by suppressing inflammation,
restoring intestinal barrier integrity, and modulating gut microbiota
to enrich beneficial bacteria while depleting pathogenic bacteria,
alongside promoting short-chain fatty acid production. Low-molecular-weight
HG showed greater ameliorative effects than RG-I under the present
experimental conditions. These findings establish that pectins may
contribute, at least in part, to the intestinal benefits of A. marina fruits in traditional use, expanding the
structural diversity and biomedical applications of pectic polysaccharides
from underexplored plant resources.
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INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
·
2026
·
IF 8.7
Yang Cao,Xiaohong Guo,Ting Li,Zihe Wang,Yi Wang,Keyu Zhu,Di Wu,Kunsong Chen
HAMA-EG hydrogel achieved ultra-rapid crosslinking and curing in 1 s under UV light • EG annealing enhanced compressive strength and mechanical durability of the hydrogel • HAMA-EG retained 72.52% cyclic mechanical retention after −20 °C freezing • HAMA-EG had wide-temperature stability, high water retention, and good cushioning • HAMA-EG hydrogel effectively mitigated vibration and drop damage on peach fruit Hydrogels are promising cushioning materials for fresh produce packaging because of their viscoelasticity, deformability, and energy-dissipation capability. In this study, a UV-curable hydrogel based on methacrylated hyaluronic acid (HAMA) was developed. Through ethylene glycol (EG) annealing, a cushioning material (HAMA-EG) with good low-temperature tolerance and high water retention was fabricated. Systematic characterizations indicated that the hydrogel achieved rapid 1 s UV curing, attributed to approximately 0.69 methacryloyl groups grafted per HA disaccharide unit, which provided sufficient photosensitive crosslinking sites on the HAMA chains. HAMA-EG also exhibited a regular porous structure, good mechanical properties (Young's modulus of 0.28 MPa and compressive strength of 3.85 MPa), and biocompatibility. The incorporation of EG enhanced the material's low-temperature resistance (no freezing at −40 °C) and environmental stability (cumulative weight loss of only 29.41% after 120 h). In addition, HAMA-EG Gel showed enhanced cyclic mechanical stability after environmental pretreatment; after −20 °C freezing, its cyclic mechanical retention remained at 72.52%, compared with 6.43% for HAMA Gel. In simulated vibration and drop transportation tests using peaches as a bruise-sensitive fruit model, HAMA-EG reduced mechanical damage and better maintained fruit quality than commercial cushioning materials. Overall, HAMA-EG enabled rapid curing and forming with good energy dissipation and water-retention properties, thus holding broad application in cushioning protection for fresh produce. Download: Download high-res image (416KB) Download: Download full-size image
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