Food Chemistry-X
·
2025
·
IF 8.2
Xiao Wang,Hongru Liu,Hui He,Xinyu Luo,Hang Yang,Khushwant S. Bhullar,Bingjie Chen,Di Su,Tiantian Zhao,Wenzong Zhou
The objective of this study was to develop an efficient method for decolorizing and deodorizing Asian swamp eel (ASE) hydrolysate. At an activated carbon (AC) dosage of 0.5 % and pH 4.0, insoluble peptides from trichloroacetic acid (TCA), which have poor antioxidant activity, were effectively removed. Meanwhile, other nitrogenous fractions with better antioxidant activity were retained, achieving a decolorization rate of 74.02 ± 0.38 %. Orthogonal partial least squares discriminant analysis (OPLS-DA) successfully distinguished the solid phase microextraction gas chromatograph-mass spectrometery (SPME-GC–MS) results of samples treated with different deodorization methods (ASE stock hydrolysate, AC treatment, AC + complex bacteria, AC + yeast, and AC + cyclodextrin). A total of 22 differential volatile compounds with variable importance projection (VIP) values greater than 1 were identified. The combination of AC treatment and cyclodextrin encapsulation effectively removed undesirable odors, enhancing the sensory quality and market competitiveness of the final product.
研究领域:
食品科学
·
生物化学
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产品关联
DOI
PubMed
高影响因子
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
·
2024
·
IF 6.9
Pengkang Zhang,Tao Pan,Lijuan Ma,Bangguo Liu,Shuang Tian,Xiurong Chen
Foam stability plays an important role in the effect of blocking the odorous substances. Based on the characteristic of xanthan gum of enhancing foam stability and preventing foam from water drainage and coarsening, this paper investigated the half-life, foaming volume, viscosity, drainage curve, and bubble microstructure of foam filled with 0.1%, 0.2%, and 0.3% xanthan gum respectively, and further analyzed the correlation between xanthan gum dosage, viscosity of foam solution and foam stability. The effect of different stability foams on para-xylene was tested. The results showed that compared with no xanthan gum, the half-life of foam with 3% xanthan gum was extended from 1 to 61 h, the drainage time increased from 4.5 to 85 h, and the foaming coarsening rate slowed down 3 times. The addition of 0.3% xanthan gum reduced the peak value of the p-xylene dispersion by 83.7% and postponed the peak time by 6 times.
研究领域:
环境科学
·
化学工程
·
材料科学
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产品关联
DOI
高影响因子
WATER AIR AND SOIL POLLUTION
·
2023
·Vol. 234
·期 10
·630
·
IF 2.9
Liu Jianbo,Lv Gongcheng,Liu Xiaocong,Liu Junpeng,Jia Shouhao
The supernatant fluid and sludge produced by traditional polyacrylamide flocculant (PAM) flocculation of municipal sewage emit a strong odor, and the dewatering performance of flocculant flocculating sludge based on acrylamide as the main synthetic raw material remains undesirable. In this study, we investigated a new green bioflocculant called SDF. This bioflocculant was made using 3-chloro-2-hydroxypropyl-modified starch as the raw material, acrylamide as the monomer, cerium nitrate as the initiator, and dextrin and bone gum as fillers. The results of the study indicated that the SDF-flocculated sludge exhibited a larger pore structure, superior dewatering performance, and a lower intensity of malodorous substances in the supernatant compared to PAM. Furthermore, it was found that the component with the strongest odor in the supernatant detected through purge and trap-gas chromatography–mass spectrometry was ethanethiol, and it was observed that the signal intensity released from the SDF supernatant was 30.62% lower on the first day and 7.91% lower cumulatively over the course of 7 days when compared to PAM. As a consequence, the SDF materials offer promising potential for treating odorous gas and reducing sludge in sewage treatment plants due to their easy fabrication, low cost, and superior dewatering performance.
研究领域:
环境工程
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高分子材料
·
水处理技术
·
生物化学工程
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DOI
高影响因子
ACS Sustainable Chemistry & Engineering
·
2023
·
IF 8.4
Lulu Zhou,Yujia Huo,Yajun Cheng,Wei Guang,Xinyi Sun,Weijun Deng,Jing Hu
Encapsulation of fragrance in micro/nanocapsules can preserve its own unique aroma in harsh environments and is the main way for leather perfuming to cover the peculiar odor of traditional leather products. Despite the success of post loading fragrance, limited consideration has been given to the tedious preparation procedures and the unacceptable loading efficiency. Herein, a highly efficient and straightforward one-pot loading method was developed to prepare osmanthus fragrance-silica nanocapsules (OF-SiO2 NCs) via hydrolysis and condensation reactions. The particle size could be easily controlled from 158 to 1063 nm with an OF loading efficiency of 10.2–18.7%, as desired by changing the solute content or altering the reaction temperature. Simultaneously, the above factors were found to affect the degree of ordered mesopores by promoting either the self-assembly of the surfactant–silica micelles or the condensation of the silica. The developed OF-SiO2 NCs were applied to perfume the cow leather-wet blue and sheep leather-dyed crust, which improved obviously the smelly odor. Moreover, up to two weeks of aromatic fragrance sustained release gave evidence of the highly incense retention time. These features highlight the potential use of OF-SiO2 NCs for aromatic leather products.
研究领域:
材料科学
·
香料化学
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产品关联
DOI
高影响因子
POLYMER
·
2023
·
IF 4.6
Hongnan Zhang,Mengting Cui,Tingting Zhang,Xiaohong Qin
Traditional textiles are conductive to breed germs that might cause infection or unpleasant odor, especially in public hygiene products. Moreover, biosafety, environmental protection and cost are crucial considerations for antimicrobial materials. Herein, we developed a biocompatible microcapsules/nanofibrous membrane using eco-friendly and facile strategy. The microcapsules loaded with the Epigallocatechin and gallate (EGCG) were synthesized through an ion-crosslinking reaction between chitosan (CS) and sodium tripolyphosphate (TPP). Additionally, the addition of octadecyl trimethyl ammonium chloride (STAC) could further enhance the antibacterial activity . Following that, the microcapsules were combined with the polycaprolactone (PCL) nanofibers . The resultant composite nanofibrous membrane exhibits a slow release effect, an enjoyable deodorant activity, and strengthened antibacterial activity through contact-killing and biocide-releasing. Besides, the membrane behaved a low degradation rate , without compromising its mechanical and hydrophilic properties after a 20-day degradation. These findings provided a biocompatible and practical approach for antimicrobial and odor-proof material for hygienic and sanitary products.
研究领域:
材料科学
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生物医学工程
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环境科学
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产品关联
DOI
高影响因子
INTERNATIONAL MICROBIOLOGY
·
2024
·
IF 2.3
Fidan Ozkan,Karipcin Ayse Doga,Köse Ayse Hamide,Anaz Ayse,Demirsoy Beyza Nur,Arslansoy Nuriye,Sun Lei,Mujwar Somdutt
Human body odor is a result of the bacterial biotransformation of odorless precursor molecules secreted by the underarm sweat glands. In the human axilla, Staphylococcus hominis is the predominant bacterial species responsible for the biotransformation process of the odorless precursor molecule into the malodorous 3M3SH by two enzymes, a dipeptidase and a specific C-S lyase. The current solutions for malodor, such as deodorants and antiperspirants are known to block the apocrine glands or disrupt the skin microbiota. Additionally, these chemicals endanger both the environment and human health, and their long-term use can influence the function of sweat glands. Therefore, there is a need for the development of alternative, environmentally friendly, and natural solutions for the prevention of human body malodor. In this study, a library of secondary metabolites from various plants was screened to inhibit the C-S lyase, which metabolizes the odorless precursor sweat molecules, through molecular docking and molecular dynamics (MD) simulation. In silico studies revealed that tannic acid had the strongest affinity towards C-S lyase and was stably maintained in the binding pocket of the enzyme during 100-ns MD simulation. We found in the in vitro biotransformation assays that 1 mM tannic acid not only exhibited a significant reduction in malodor formation but also had quite low growth inhibition in S. hominis, indicating the minimum inhibitory effect of tannic acid on the skin microflora. This study paved the way for the development of a promising natural C-S lyase inhibitor to eliminate human body odor and can be used as a natural deodorizing molecule after further in vivo analysis.
研究领域:
微生物学
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生物化学
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环境科学
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产品关联
DOI
PubMed
高影响因子
CELLULOSE
·
2025
·
IF 4.8
Han Hongwei,Hu Jiangtao,Zhou Jialiang,Gu Jiawei,He Xiang,Gao Qianhong,Wu Guozhong
Imparting cotton fabrics with durable antibacterial and deodorizing functions while preserving their original hygroscopic properties presents a significant challenge. In this study, a novel surface-modified cotton fabric, Cotton-grafted-polyacrylic acid/polyhexamethylene guanidine (Cot- g -PAA/PHMG), was prepared through irradiation-induced graft polymerization of acrylic acid (AA), followed by electrostatic adsorption of polyhexamethylene guanidine (PHMG). The effect of polyacrylic acid (PAA)/PHMG loading on the structure and overall performance of Cot- g -PAA/PHMG was comprehensively investigated and compared to untreated cotton fabric. The results demonstrated that the PAA/PHMG layer significantly enhances the cotton fabric’s antibacterial and deodorizing properties. Specifically, Cot- g -PAA/PHMG can absorb both acidic and alkaline gaseous pollutants due to its amphoteric structure, achieving removal rates of 95.3% for ammonia and 98.4% for acetic acid. Even after 50 rounds of accelerated washing, the deodorization rate of Cot- g -PAA/PHMG remains above 90%. Additionally, the guanidine-functionalized cotton fabric exhibits antibacterial rates of up to 99.99% against both Gram-negative Escherichia coli and Gram-positive Staphylococcus aureus , even after 50 laundering cycles. These findings provide a simple and versatile approach for producing antimicrobial and odor-resistant materials suitable for hygienic applications. Graphical abstract
This paper describes the synthesis and application of Cot- g -PAA/PHMG. PHMG-treated fabrics gained antimicrobial and deodorant properties.
研究领域:
材料科学
·
纺织工程
·
生物医学工程
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产品关联
DOI
高影响因子
JOURNAL OF HAZARDOUS MATERIALS
·
2019
·
IF 7.65
Jiupeng Zhang,Jing Zuo,Weidong Ai,Shuo Liu,Dandan Zhu,Jinyi Zhang,Cundi Wei
Deodorizing materials are often restricted from large-scale industrial production due to the high preparation cost. By utilizing the simple acid leaching technology, this study made use of the coal gasification fine slag (FS) as raw material to prepare a cost effective FS-based deodorant (FSD) with a specific surface area of 393 m 2 g −1 and a pore volume of 0.405 cm 3 g −1 . The propane adsorption test on FSD showed the maximum adsorption capacity to be as high as 121.61 mg g −1 at 273 K. The partition coefficient values at 10% and 100% breakthrough (BT) for FSD to adsorb propane were 1.5 × 10 −3 and 3.2 × 10 −4 mol kg −1 Pa −1 , respectively. Furthermore, the FSD was applied in the removal of volatile organic compounds (VOCs) pollutants from polypropylene resin (PP). It showed that the deodorizing effect of the FSD was nearly three times as good as the commonly used zeolite deodorants, which was able to decrease 50 percent of the VOCs volatilization amount in PP resin. Moreover, the FSD can better strengthen the mechanical properties of PP resin. This work provides a new method for the industrial production of deodorants as well as a new direction for the recycle of coal gasification wastes.
研究领域:
材料科学
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环境工程
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产品关联
DOI
PubMed
高影响因子
NANOTECHNOLOGY
·
2021
·Vol. 33
·期 9
·095703
·
IF 3.874
Jiupeng Zhang,Jing Zuo,Yang Liu,Junyu Zhang,Wenjing Fu,Jinyi Zhang,Shiding Miao,Cundi Wei
Mesoporous adsorbents and polymer deodorants are difficult to implement on a large scale because of their complicated preparation methods. Herein, a mesoporous adsorbent (CGSA) with a specific surface area of 564 m2 g−1 and a pore volume of 0.807 cm3 g−1 was prepared from solid waste coal gasification slag using a simple acid leaching process. The adsorption thermodynamics and adsorption kinetics results verified that the adsorption mechanism of propane on CGSA was mainly physisorption. Then the universality of CGSA in different polymers was investigated by introducing CGSA and its commercialized counterparts (CaCO3, and zeolite) into four common polymers. When the filler content was 30 wt%, the average reinforcement effect of CGSA on the tensile, flexural, and impact strengths of the four polymers was 46.68%, 83.62%, and 211.90% higher than that of CaCO3, respectively. Gas chromatography results also showed that CGSA significantly decreased total volatile organic compound emissions from the composites, and its optimal deodorization performance reached 69.58%, 81.33%, and 91.09% for different polymers, respectively, far exceeding that of zeolite. Therefore, this study showed that low-cost, high-performance, and multifunctional mesoporous polymer fillers with excellent universality can be manufactured from solid contaminants.
研究领域:
材料科学
·
环境科学
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产品关联
DOI
PubMed
高影响因子
POWDER TECHNOLOGY
·
2021
·
IF 5.134
Jiupeng Zhang,Yang Liu,Junyu Zhang,Jing Zuo,Jinyi Zhang,Fagui Qiu,Cundi Wei,Shiding Miao
Here, we have prepared a novel mesoporous powder (CGSF3) from coal-gasification fine slag. The specific surface area and pore volume of CGSF3 were 564 m 2 g −1 and 0.807 cm 3 g −1 , respectively. Furthermore, CGSF3 was introduced into polypropylene (PP) to prepare PP composites. When the filler content was 30 wt%, the tensile, impact, and flexural strengths of the PP-CGSF3 composite were 49.84%, 70.81%, and 139.63% higher than those of the conventional PP-CaCO 3 composites, respectively. More significantly, the total amount of volatile organic compounds (VOCs) volatilized from PP-CGSF3 was 67.6% less than that of neat PP, far exceeding the performance of zeolite deodorant filler. The strength of this work is that the high-performance and low-cost mesoporous resin fillers can be prepared from solid wastes.
研究领域:
材料科学
·
高分子科学
·
环境工程
✓ 已验证
产品关联
DOI
高影响因子
CONSTRUCTION AND BUILDING MATERIALS
·
2025
·
IF 8
Jinyi Wu,Na Li,Quantao Liu,Shaopeng Wu,Fusong Wang,Jianying Yu
Rubberized asphalt (RA) has a serious problem of malodorous gas emission during production and construction, while the existing deodorizers have low adsorption efficiency and are ineffective in inhibiting odorous components. This paper establishes an odor index model based on odor threshold and component concentration, combined with principal component analysis (PCA), to identify and quantify malodorous-causing substances in VOCs emitted from RA. A chromium-based metal-organic framework (MOF) MIL-101 was synthesized to achieve efficient and directional inhibition of malodorous-causing substances. It is found that key malodorous compounds such as thiophene, dimethyl trisulfide, butyraldehyde, methacrolein, 2-methylpropanal, 2-methylbutanal, and alkylated benzenes were precisely traced and confirmed as major contributors to asphalt odor. In addition, the high surface area, hierarchical pore structure, and unsaturated Cr³ ⁺ sites of MIL-101 contributed to its selective adsorption capacity, which achieved an 84.77 % reduction in VOCs emissions and suppressed 61.1 % of key malodorous. Simultaneously, the rigid MIL-101 framework reinforces the asphalt matrix, improving rutting resistance by 57 % without compromising low-temperature flexibility. Considering mechanical performance, emission control, and economic feasibility, the optimal MIL-101 content was determined to be 8 ‰. This study provides a scientific basis for the use of MOF materials in VOCs suppression and odor control, offering a novel and practical strategy for sustainable rubberized asphalt pavement applications.
研究领域:
土木工程
·
材料科学
·
环境科学
·
化学工程
·
可持续基础设施
✓ 已验证
产品关联
DOI
高影响因子
Food & Function
·
2024
·
IF 5.1
Zheng-Fei Yan,Jia-Yu Chen,Jing Yang,Shuai Yuan,Xue-Yi Qiao,Bo Xu,Lingqia Su
Cod protein isolate (CPI), a by-product from the cod machining process, is a novel source of high value-added products. Off-flavors in cod protein, such as bitterness and fishy odor, reduce its acceptability for consumers. Here, CPI was first debited using Streptomyces canus aminopeptidase (ScAPase) and then deodorized through probiotic fermentation. This is the first report of completely removing the bitterness of CPI using ScAPase. Subsequently, Syn3 and Syn4, as aromatic CPI (ACPI), were prepared from debittered CPI (DCPI) using Lactobacillus acidophilus and Bifidobacterium longum, respectively, possessing non-fishy odor, no bitterness, strong aromatic odor, and good overall acceptance. These products (DCPI and ACPI) exhibited better physicochemical properties, such as higher oil-holding capacity, emulsifying activity, and digestion resistance, compared to untreated CPI. However, they showed significant differences in radical scavenging activity, and the highest scavenging activity was detected in Syn3 against DPPH· (63.5%) and·OH (79.2%), DCPI against O2- (32.0%), and post-digestion Syn4 against ABTS+· (95.2%). These products after digestion treatment, significantly promoted the proliferation of probiotics. Notably post-digestion Syn4 exhibited the most proliferation effect on Lactobacillus reuteri, Lactobacillus rhamnosus, and Bifidobacterium breve than other post-digestion samples. These results indicated that the treated CPI has potential for applications in health food products.
研究领域:
食品科学
·
生物技术
·
营养学
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产品关联
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）