SCIENCE OF THE TOTAL ENVIRONMENT
·
2020
·
IF 6.551
Nai-Xian Feng,Qi-Feng Liang,Yu-Xi Feng,Lei Xiang,Hai-Ming Zhao,Yan-Wen Li,Hui Li,Quan-Ying Cai,Ce-Hui Mo,Ming-Hung Wong
Phthalate acid esters (PAEs) are ubiquitous pollutants in agricultural soils . Application of bioorganic fertilizer (BOF) containing beneficial microbes represents a promising approach to improve the yield and quality of crops grown in contaminated soils. In the present study, a novel multifunctional bioorganic fertilizer N-BOF was developed by using compost of sewage sludge and agricultural waste and inoculating with PAEs-degrading B. megaterium YJB3 and phosphate solubilizing B. megaterium YLYP1. Its feasibility of improving the yield and quality of vegetable grown in PAEs (including DBP and DEHP) contaminated soil was evaluated by pot experiments. The N-BOF could effectively promote plant growth, with biomass increasing by 4–66.9% and 19–110% compared to chemical (CF) and no fertilizer (CK), respectively. The concentrations of DBP and DEHP in shoots of chemically fertilised vegetable ranged 1.23–3.12 mg/kg (dry weight, DW) and 1.63–3.89 mg/kg (DW), respectively. Their concentrations were significantly decreased ( p < 0.05) when N-BOF was applied (1%, 2%, 5% amendment), especially at higher application rate ranging 0.11–0.3 mg/kg (DW) and 0.16–0.32 mg/kg (DW), respectively. Meanwhile, vegetable quality attributes were also significantly improved when 2% N-BOF was applied, with increase in the contents of vitamin C , vitamin B1, total protein, and starch, and decrease in the contents of nitrite and nitrate. In this case, the human health risk from consumption of the vegetable grown in PAEs-contaminated soil could be significantly reduced. Thus, our study is expected to provide an efficient way of high-value utilization of organic substrates by producing low-cost but high quality N-BOF. Future studies on the effects of N-BOF in terms of fertilizer regimes on yield and quality of the vegetable are needed, and further field studies for assessing the long-term efficacy and reliability of this promising N-BOF are also warranted.
研究领域:
环境科学
·
农业科学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Journal of Soil Science and Plant Nutrition
·
2024
·Vol. 24
·期 2
·4000-4016
·
IF 3.4
Qin Yuyan,Wang Yunru,Shi Pengtao,Wu Feng,Zhong Yunjie,Li Hong,Shan Bin
Currently, co-contamination of arsenic (As) and selenium (Se) is increasingly observed in specific locales, attributable to the expansion of Se-enriched agriculture. This paper aims to elucidate the possible mechanism of As and Se interaction. In this investigation, a soil pot experiment was conducted to explore the individual and combined effects of As (arsenate, 100 mg·kg − 1 soil) and Se (selenite, 7.5 mg·kg − 1 soil) on their accumulation, translocation, speciation composition, and subcellular distribution in three Brassica vegetables. The results showed that As stress remarkably inhibited plant growth. Under As stress, the addition of Se did not significantly affect As transport factors, yet it notably increased total As content in the stems, leaves, and flowers. Se addition was observed to obstruct As conversion from inorganic to organic forms, thereby elevating both As(III) and As(V) levels in the aerial organs. Subcellular analysis revealed an increase in As levels within the leaf cell walls, organelles, and soluble cytosol. Interestingly, the impact of As on Se accumulation was found to be stimulatory in choy sum but inhibitory in pak choi and mustard. Under Se stress, As supplementation impeded the conversion of Se from inorganic to organic forms, leading to higher Se(VI) concentrations. At the subcellular level, As addition promoted Se translocation from the leaf cell wall and organelles to cytosolic, where both As and Se predominantly accumulated. These results suggest that the interaction between As and Se inhibits their metabolic processes and enhances vacuolar compartmentalization, thereby influencing their accumulation in plants. The research highlights the heightened risk of As contamination in Se-enriched vegetables cultivated in As-contaminated soil.
研究领域:
植物学
·
环境科学
·
农业科学
✓ 已验证
产品关联
DOI
高影响因子
MOLECULES
·
2022
·Vol. 27
·期 23
·8271
·
IF 4.927
Jinghe Zhang,Yinan Wang,Changhong Wang,Kan Li,Weifang Tang,Jing Sun,Xikui Wang
When Aristolochia plants wilt and decay, aristolochic acids (AAs) are released into the soil, causing soil contamination. It has been demonstrated that aristolochic acid can be accumulated and enriched in crops through plant uptake. However, there is a lack of systematic studies on the migration and accumulation of AAs in a realistic simulated soil environment. In this study, Aristolochia herbal extracts were mixed with soil for growing three typical vegetables: lettuce, celery, and tomato. The contents of AAs in the above-mentioned plants were determined by an established highly sensitive LC-MS/MS method to study the migration and accumulation of AAs. We found that AAs in the soil can be transferred and accumulated in plants. AAs first entered the roots, which were more likely to accumulate AAs, and partially entered the above-ground parts. This further confirms that AAs can enter the food chain through plants and can have serious effects on human health. It was also shown that plants with vigorous growth and a large size absorbed AAs from the soil at a faster rate. The more AAs present in the soil, the more they accumulated in the plant.Keywords:aristolochic acid;vegetables;uptake;translocation;fate
研究领域:
环境科学
·
农业
·
毒理学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
·
2018
·
IF 3.974
Yong Li,Lixuan Yang,Huangqian Yan,Meng Zhang,Jing Ge,Xiangyang Yu
The uptake, translocation and accumulation behaviours of imidacloprid in six leafy vegetables , including Xiadi cabbage (XDC), Huaguan cabbage (HGC), Gaogengbai (GGB), Shanghaiqing (SHQ), Kangresijiqing (KRQ) and Ziyoucai (ZYC), were investigated under hydroponic conditions. Seedling stage (S-stage), rapid growth stage (R-stage) and maturation stage (M-stage) for each vegetable were considered. The root concentration factor (RCF), translocation factor (TF) and bioconcentration factor (BCF) were used to compare the difference. The results show that during 48 h of exposure, the total amount of imidacloprid taken up by the test vegetables increased with vegetable growth; however, the imidacloprid concentration in vegetable tissues varied significantly according to the variety and growth stage. For individual vegetables, imidacloprid was most easily accumulated into HGC and GGB shoots at R-stage, but into XDC, KRC and ZYC shoots at S-stage. For varieties, the ability of accumulating imidacloprid from solution to shoots seemed to follow the order of GGB > XDC > SHQ > KRQ > HGC > ZYC. Pearson's correlation analysis revealed significant negative correlations between daily transpiration and log BCF and between log RCF and log TF , indicating that the difference of uptake, translocation and accumulation behaviours of imidacloprid in vegetable varieties and growth stages may be related to the daily transpiration and the ability of concentrating imidacloprid in vegetable roots.
研究领域:
植物学
·
环境科学
✓ 已验证
DOI
PubMed
高影响因子
FOOD CONTROL
·
2018
·
IF 3.667
Hui Liang,Wei-Liang Wu,Yong-Hui Zhang,Shao-Jun Zhou,Chao-Yang Long,Jian Wen,Bo-Yuan Wang,Zhi-Ting Liu,Chao-Zheng Zhang,Pan-Pan Huang,Ning Liu,Xiao-Ling Deng,Fei Zou
To systematically investigate the presence of toxic heavy metals and evaluate the potential health risks of heavy metals (HMs), the levels of cadmium (Cd), lead (Pb), arsenic (As), mercury (Hg), and chromium (Cr) in a total of 4401 representative samples of highly consumed fresh vegetables sampled from 21 prefecture-level cities of Guangdong Province, China, were determined by inductively coupled plasma mass spectrometry (ICP-MS). In the analyzed vegetables, the heavy metal concentrations exceeded the maximum allowable concentrations (MACs) set by Chinese legislation were of 2.41% for Cd, 1.61% for Pb, 0.55% for As, and 0.48% for Cr. The concentrations of HMs indicated significant differences ( p < 0.05) in vegetable groups and regions. Cd, and Pb were the major contaminants in vegetables according to the results of principal component analysis. During the four-year survey, a temporary rising trend was observed in As and Cr. The results from hierarchical cluster analysis also demonstrated that the status of HMs contaminations in vegetables from various regions displayed certain changes over time. The health risks associated with the intake of these HMs via vegetable consumption were evaluated in term of estimated daily intake (EDI), and noncarcinogenic and carcinogenic risks by target hazard quotient (THQ) and carcinogenic risk (CR). EDI values of each HM at both common and high consumption levels were observed to be less than the corresponding provisional tolerable daily intakes. The THQs of individual HMs and total target hazard quotients (TTHQs) were less than 1, indicating low health hazards for local residents. However, high consumption of stalk and stem vegetables, leafy vegetables , and root and tuber vegetables, and high consumption of vegetables marketed in the northern region (NR) of Guangdong Province resulted in TTHQs that approach 1 and may cause health risks to increase. The carcinogenic risks (CRs) of Cd, Pb and As were below the threshold level (10 −6 ) or residual level (10 −4 ), suggesting low potential CR from these HM exposures via vegetables consumption. However, highly consumed vegetable categories with high Cd concentrations and vegetables marketed in NR resulted in the CRs of Cd and TCRs exceeding the acceptable range, indicating that serious potential carcinogenic risks to human health may exist. In summary, the findings of this study reveal safe exposures of HMs via vegetable consumption, however, great concern should be focused on the noncarcinogenic and carcinogenic risks associated with high exposures of HMs, especially Cd, Pb and As, via high vegetable intake.
研究领域:
环境科学
·
食品安全
·
公共卫生
✓ 已验证
产品关联
DOI
高影响因子
FOOD CHEMISTRY
·
2021
·
IF 7.514
Lukai Ma,Qiuxuan He,Yuanxin Qiu,Huifan Liu,Jihong Wu,Guoqin Liu,Charles Brennan,Margaret Anne Brennan,Lixue Zhu
Vegetable oils are increasingly replacing animal fats in diets, but malondialdehyde (MDA), a peroxidation product of these oils, has been regarded as toxic; this necessitated investigation of MDA formation during consumption. This study investigated MDA formation in four vegetable oils during frying French fries (FF) and fried chicken breast meat (FCBM) at 180 °C for 7 h. Results showed that MDA contents were lower in oils used for frying foods than in control oils, mainly because MDA was incorporated into the foods. MDA content was lower in FF, but higher in FCBM, due to the different food components. Model oil and food system analyses yielded similar results. MDA bound the hydrophobic helical structure in starch-based FF, but was exhibited greater reactivity with nucleophilic groups in protein-based FCBM, resulting in stronger interaction with FCBM than with FF. Our results indicated the existence of distinct mechanisms underlying MDA migration in different food matrixes.
研究领域:
食品科学
·
毒理学
·
营养学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
APPLIED CLAY SCIENCE
·
2024
·
IF 5.3
Aihua Xiang,Yifan Li,Kun Liu,Xin Wang,Tuanliu Hu
Selenium (Se) is a beneficial plant micronutrient, and the application of Se fertilizers can promote plant growth and enhance the Se content in crops. However, traditional soluble Se fertilizers have low utilization efficiency of Se due to adsorption or leaching. Here, selenite (SeO 3 2− ) -intercalated Mg/Al layered double hydroxide (Se-Mg/Al) for SeO 3 2− slow-release was synthesized by co-precipitation and characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR) and X-ray photoelectron spectroscopy (XPS). Se-Mg/Al possessed a typical lamellar structure, combining with selenite by electrostatic interaction in interlayer and chemisorption on the surface. The release mechanism of selenite in distilled water from Mg/Al layered double hydroxide (Mg/Al LDH) was Fickian diffusion with gradually released 97.86% after 20 h (Over 90% within 2 h for sodium selenite). At pH range 4.0–8.0, Se-Mg/Al had a stable slow-release ability. And, the sulfate and phosphate anions could effectively trigger the release of selenite through anions exchange. The pot experiments showed that Se-Mg/Al increased Se content of vegetables, more than twice that of directly using sodium selenite. Compared with control treatment, the average stem height and fresh weight per 10 plants with Se-Mg/Al treatment improved approximately 1.48 times and 2.34 times, respectively. This work provides a feasible way for achieving crops selenium supplementation and improving selenium utilization efficiency.
研究领域:
农业科学
·
植物营养学
✓ 已验证
产品关联
DOI
高影响因子
FOOD CHEMISTRY
·
2025
·
IF 9.8
Kun Xu,Rui Xu,Xuejing Liu,Qin Wei
A handily self-powered photoelectrochemical (PEC) sensor is established for acetamiprid (ACE) analysis supported by Cu 3 Mo 2 O 9 /Ag 2 S photoanode and Cs 3 Bi 2 Br 9 /BiOBr photocathode. The band gap structure of Cu 3 Mo 2 O 9 and Ag 2 S is matched which enhanced the electron transfer rate. Photocathode composite is synthesized at the interface of water and oil, and the resulting composite has good stability to water and light. Electrons flowing from the photoanode through the external circuit to the photocathode can combine with photogenerated holes of Cs 3 Bi 2 Br 9 /BiOBr, causing the photoelectrons pass into the solution and react with oxygen, and producing a large photocathode current. With the increase of ACE concentration, the detected photocurrent gradually decreased due to the steric hindrance, and a linear relationship between photocurrent and ACE concentration in the range of 0.001–500 nM. This excellent PEC sensor also performed the great detection stability, selectivity and reproducibility, which can also be applied in practical application for pesticides analysis.
研究领域:
分析化学
·
环境科学
·
食品科学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
·
2023
·
IF 6.1
Yu Zhang,Si Wu,Qian-Qi Chen,Peng-Fei Yu,Hai-Ming Zhao,Nai-Xian Feng,Bai-Lin Liu,Yan-Wen Li,Quan-Ying Cai,Lei Xiang,Ce-Hui Mo,Qing X. Li
Fluorotelomer alcohols (FTOHs), as precursors of perfluoroalkyl carboxylic acids, are difficult to analyze due to their high volatility and matrix interference. A method based on single-factor experiments and response surface methodology design was developed for simultaneous analysis of three common FTOHs in vegetables and soils, using single extraction, dispersive solid phase extraction cleanup, and gas chromatography–mass spectrometry in negative chemical ionization. The method improved the extraction efficiency up to ∼40 folds and showed a commendable linearity range (1–100 ng/mL, R2 > 0.991), low limit of detection (0.025−0.897 ng/g, dry weight (dw)), and high accuracy and precision (83 ± 7.2–117 ± 6.0% recoveries at 2–20 ng/g fortification levels). It was successfully applied to determine the FTOHs in real vegetables and soils, demonstrating its feasibility for routine analysis. Concentrations of the FTOHs ranged from 3.5 to 37.9 ng/g (dw) and from 6.5 to 141.0 ng/g (dw), respectively, in the vegetables and soils collected nearby fluorochemical factories, which warrants further investigations on FTOH pollution and food safety concerns for which the developed method will be useful.
研究领域:
环境科学
·
分析化学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Scientific Reports
·
2024
·Vol. 14
·期 1
·1-14
·
IF 3.8
Sun Caixia,Liu Yuhong,Bei Ke,Zheng Weiran,Wang Qinfei,Wang Qiang
A 28 days pesticide degradation experiment was conducted for broccoli ( Brassica oleracea L. var. italica Planch) and pakchoi ( Brassica chinensis L.) with three pesticides (chlorantraniliprole (CAP), haloxyfop-etotyl (HPM), and indoxacarb (IXB)) to explore the effects of biochar on pesticide environmental fate and rhizosphere soil diversity. Rice straw biochar (RB) was applied to soil at a 25.00 t ha −1 dosage under greenhouse conditions, and its effects on the degradation of three pesticides in vegetables and in soil were investigated individually. Overall, RB application effectively facilitated CAP and HPM degradation in broccoli by 13.51–39.42% and in broccoli soil by 23.80–74.10%, respectively. RB application slowed the degradation of CAP, HPM and IXB in pakchoi by 0.00–57.17% and slowed the degradation of CAP in pakchoi by 37.32–43.40%. The results showed that the effect of RB application on pesticide degradation in crops and soil was related to biochar properties, pesticide solubility, plant growth status, and soil characteristics. Rhizosphere soil microorganisms were also investigated, and the results showed that biochar application may be valuable for altering bacterial richness and diversity. The effect of biochar application on pesticide residues in crops and soil was influenced by the vegetable variety first, and the second was pesticide characteristics. RB applied to soil at a 25.00 t ha −1 dosage under greenhouse conditions is recommended for broccoli production to ensure food safety. Our results suggested that biochar application in soil could reduce pesticide non-point source pollution, especially for highly soluble pesticides, and could affect soil microorganisms.
研究领域:
农业科学
·
环境科学
·
微生物学
✓ 已验证
DOI
PubMed
高影响因子
NEW JOURNAL OF CHEMISTRY
·
2020
·Vol. 44
·期 25
·10654-10661
·
IF 3.288
Qi Wu,Wei Wu,Xue Zhan,Xiudan Hou
A simple, facile method was adopted to synthesize three-dimensional chitosan grafted graphene oxide aerogel modified silica (3D CS/GOA@Sil) as an eco-friendly, sustainable extraction material for the preconcentration of phenoxy acid herbicides. An amidation reaction realized the immobilization of CS and GO on the surface of silica, which was followed by a freeze-drying technique to yield the CS/GOA@Sil with 3D architecture structure. The successful synthesis and properties of 3D CS/GOA@Sil were characterized and confirmed by using scanning electron microscopy, infrared spectroscopy, BET adsorption–desorption analysis, and thermogravimetric analysis. The surface area of 3D CS/GOA@Sil was twice that of the individual GO@Sil. Besides, the adsorption and extraction times were also shorter due to the ordered porous structure and rapid mass transfer. Under the optimal conditions, coupled with a high-performance liquid chromatography-ultraviolet detector, this as-established method presented wide linearities with desirable correlation coefficients (≥0.9936) and low limits of detection (≤1.5 μg L−1). Finally, it was applied in the analysis of phenoxy acid herbicides in vegetables, and satisfactory relative recoveries of 62.38–102.92% of spiked standard solutions with different concentrations were obtained.
研究领域:
环境科学
·
分析化学
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF FOOD PROTECTION
·
2020
·
IF 1.581
Mengmeng Jiang,Haicheng Gao,Xinxin Liu,Yu Wang,Jiaqi Lan,Yuanxiang Li,Shaowu Lv,Ketong Zhu,Pingsheng Gong
ABSTRACT We evaluated fresh vegetables for residues of 18 pesticides with different chemical structures, including organochlorine pesticides, organophosphorus pesticides, carbamate pesticides, and pyrethroid pesticides and estimated that the potential health risks for consumers. A total of 313 samples were collected from 12 kinds of vegetables in Changchun, the capital of Jilin Province, People's Republic of China. Pesticide residues were analyzed by gas chromatography and mass spectrometry, and the curves were highly linear at 0.01 to 1.00 μg/mL ( R 2 ≥ 0.99). The mean recovery rate of the pesticides was 62 to 110% (relative standard deviation of <5%). The limit of detection was 0.0001 to 0.0167 mg/kg, the limit of quantification was 0.0002 to 0.0556 mg/kg, and the overall detection rate was 28.43%. The prevalence of pesticides and of samples above the standard limit were highest in celery, the prevalence of pesticides was lowest in potatoes, and the prevalence of samples above the standard limit was lowest in cucumber. Three of the 18 pesticides were not detected: omethoate, chlorpyrifos, and fenvalerate. Among the 15 pesticides detected, the maximum risk factor of six (carbofuran, omethoate, phorate, dicofol, dimethoate, and dichlorvos) is >1, indicating possible harm to human health. Residues of a single pesticide may not adversely affect a person's health, but multiple pesticide residues could present a health risk.
研究领域:
食品安全
·
环境科学
·
公共卫生
✓ 已验证
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）