Removal of imidacloprid and acetamiprid from tea infusions by microfiltration membrane

Zhang, Yuanyuan; Huang, Lu; Bing, Wang; Zhang, Zhuo; Lin, Xiaorong; Chen, Zhongzheng; Li, Bin

doi:10.1111/ijfs.12785

Cited by 21 publications

(3 citation statements)

References 32 publications

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“…Microfiltration enabled the removal of imidacloprid and acetamiprid to a great extent (79.7% for imidacloprid and 81.9% acetamiprid) (Y. Zhang et al, 2015). Reverse osmosis technique can be used for both concentrating the fruit juice by removal of water and also improves the antioxidant properties of fruit juices.…”

Section: Fruit and Vegetable Juice And Beverage Industrymentioning

confidence: 99%

Applications of Ultrafiltration, Reverse Osmosis, Nanofiltration, and Microfiltration in Dairy and Food Industry

J¹

2021

Extsv. Rev.

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Food industry is the place to convert raw edible materials to processed foods. Processing foods involves standardization, removal of unnecessary components, addition of essential components, thermal treatments etc. Membrane processes help enhancing the food primely in terms of keeping quality, nutritional value, component recovery and by-products utilization. Feed is given to the membrane system while retentate and permeate are obtained. Components of food can be separated according to size, charge and other characteristics using various membrane processes. The major ones are Ultrafiltration, Reverse Osmosis, Nanofiltration and Microfiltration which are done either single or in combination of more than one process and also in addition with processes such as electrodialysis and vacuum membrane distillation. These processes act as step(s) in the operating procedure of a food or as an alternative method to process the same food with better quality.

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Section: Fruit and Vegetable Juice And Beverage Industrymentioning

confidence: 99%

Applications of Ultrafiltration, Reverse Osmosis, Nanofiltration, and Microfiltration in Dairy and Food Industry

J¹

2021

Extsv. Rev.

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“…According to the literature, rejection coefficients for total polyphenol content of microfiltration membranes are lower than 30% (Bindes et al, 2019;Sousa, Cabral, Madrona, Cardoso, & Reis, dos Sousa et al, 2016;Terra et al, 2018;Zhang et al, 2015).…”

Section: Clarification Of Purple Araça Fruit Extract By Microfiltramentioning

confidence: 99%

Enhanced conditions to obtain a clarified purple araça (Psidium myrtoides) fruit extract

Ferreira

Magalhães

Cardoso

et al. 2020

J Food Process Engineering

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This study evaluated the kinetics of extraction for bioactive compounds from purple araça fruit followed by the microfiltration process for extract clarification. The parametric study showed time (up to 60 min) and temperature (313, 333, 353, and 363 K) influences on the extraction of bioactive compounds from purple araça fruit. Extraction kinetics were adjusted to the second order kinetic model (R2 > 0.9871). The best extraction conditions were at 353 K for 45 min. Purple araça fruit extract presented total phenolic and flavonoid contents of 5.29 ± 0.12 mgGAE g−1 and 2.79 ± 0.09 mgRutin g−1, respectively, FRAP value of 21.77 ± 1.10 mgFeSO4 g−1 and DPPH antioxidant capacity of 48.85 ± 2.02%. Concentrations of gallic acid, (−)‐Epicatechin, and (−)‐Epigallocatechin were 132.01 ± 1.22, 127.03 ± 1.45, and 60.45 ± 0.59 μg g−1, respectively. The microfiltration process with an acetate cellulose membrane of 0.22 μm pore size was efficient for clarifying the purple araça fruit extract, with steady state flux of 4.17 × 10−6 m3s−1 m−2 and reductions in total solids from 2.83 ± 0.01 to 1.43 ± 0.02%, without significant reductions in the concentration of bioactive compounds. These results suggest the valorization of purple araça fruit as a promising source of bioactive compounds for cosmeceutical, pharmaceutical and food industries and application of the microfiltration process for clarification purposes.Practical ApplicationsPurple araça (Psidium myrtoides) is a tropical and exotic fruit with considerable concentration of bioactive compounds. The purple araça fruit extract presents higher concentration of bioactive compounds than other fruits from the same Psidium species, such as the guava fruit. Suggested aqueous extraction conditions are temperature and time of 80°C 45 min, respectively. The microfiltration process is then proposed for extract clarification, with substantial reductions in total solid concentration and turbidity, without reducing bioactive compound concentrations. Thus, the microfiltered purple araça fruit presents suitable characteristics to be used as a ready‐to‐drink product or to be submitted for further concentration processes.

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“…Thus, the removal of these pollutants from water is essential due to their harmful influence on human health and aquatic ecosystems. Various methods can be applied for the degradation of IMI from aqueous solutions such as microfiltration membrane [11], biological degradation [12], adsorption [13,14], and advanced oxidation processes (AOPs) [15,16]. Among the AOP methods, photocatalytic activity has been used effectively in wastewater treatment for the removal of organic pollutants due to its simplicity, high activity, low cost, and ability to reduce CO 2 [17,18].…”

Section: Introductionmentioning

confidence: 99%

Identification of Active Species in Photodegradation of Aqueous Imidacloprid over g-C3N4/TiO2 Nanocomposites

et al. 2022

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In this work, g-C3N4/TiO2 composites were fabricated through a hydrothermal method for the efficient photocatalytic degradation of imidacloprid (IMI) pesticide. The composites were fabricated at varying loading of sonochemically exfoliated g-C3N4 (denoted as CNS). Complementary characterization results indicate that the heterojunction between the CNS and TiO2 formed. Among the composites, the 0.5CNS/TiO2 material gave the highest photocatalytic activity (93% IMI removal efficiency) under UV-Vis light irradiation, which was 2.2 times over the pristine g-C3N4. The high photocatalytic activity of the g-C3N4/TiO2 composites could be ascribed to the band gap energy reduction and suppression of photo-induced charge carrier recombination on both TiO2 and CNS surfaces. In addition, it was found that the active species involved in the photodegradation process are OH and holes, and a possible mechanism was proposed. The g-C3N4/TiO2 photocatalysts exhibited stable photocatalytic performance after regeneration, which shows that g-C3N4/TiO2 is a promising material for the photodegradation of imidacloprid pesticide in wastewater.

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Removal of imidacloprid and acetamiprid from tea infusions by microfiltration membrane

Cited by 21 publications

References 32 publications

Applications of Ultrafiltration, Reverse Osmosis, Nanofiltration, and Microfiltration in Dairy and Food Industry

Applications of Ultrafiltration, Reverse Osmosis, Nanofiltration, and Microfiltration in Dairy and Food Industry

Enhanced conditions to obtain a clarified purple araça (Psidium myrtoides) fruit extract

Identification of Active Species in Photodegradation of Aqueous Imidacloprid over g-C3N4/TiO2 Nanocomposites

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