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Huang X, Wang B, Zhai R, Ding CF, Fang X, Dai X, Yan Y. Boric acids decorated polymers with Au nanoparticle anchor assisted laser desorption/ionization for qualitive and quantitative analysis of hydroxytyrosol in red wines. Food Chem 2024; 437:137873. [PMID: 37918150 DOI: 10.1016/j.foodchem.2023.137873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 10/22/2023] [Accepted: 10/25/2023] [Indexed: 11/04/2023]
Abstract
Hydroxytyrosol possesses a variety of biological and pharmacological activities that are beneficial to human health. However, the methodologies for its detection always suffered from problems. In this work, the gold nanoparticle modified polymer decorated with boric acids (pMBA/VPBA@Au) was synthesized and used both as the adsorbent and matrix to enrich and ionize small molecule substances through surface-assisted laser desorption/ionization mass spectrometry (SALDI-MS). The pMBA/VPBA@Au displayed a low detection limit (8 × 10-6 M) and high selectivity (1:100) for the enrichment of hydroxytyrosol, and the linear correlation curve between the concentration of hydroxytyrosol and the intensity of MS had a good correlation (10-4-10-2 M, R2 = 0.997). Additionally, the pMBA/VPBA@Au was used to quantify hydroxytyrosol in red wines, and the contents were 0.053-0.094 μg/mL. In general, a simple and novel method for the detection of hydroxytyrosol by SALDI-MS using boric acid functionalized polymer was developed for the first time, showing a good practical application value.
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Affiliation(s)
- Xiaohui Huang
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Materials Science and Chemical Engineering, Institute of Mass Spectrometry, Ningbo University, Ningbo 315211, China
| | - Baichun Wang
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Materials Science and Chemical Engineering, Institute of Mass Spectrometry, Ningbo University, Ningbo 315211, China
| | - Rui Zhai
- Technology Innovation Center of Mass Spectrometry for State Market Regulation, Center for Advanced Measurement Science, National Institute of Metrology, Beijing 100029, PR China
| | - Chuan-Fan Ding
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Materials Science and Chemical Engineering, Institute of Mass Spectrometry, Ningbo University, Ningbo 315211, China
| | - Xiang Fang
- Technology Innovation Center of Mass Spectrometry for State Market Regulation, Center for Advanced Measurement Science, National Institute of Metrology, Beijing 100029, PR China
| | - Xinhua Dai
- Technology Innovation Center of Mass Spectrometry for State Market Regulation, Center for Advanced Measurement Science, National Institute of Metrology, Beijing 100029, PR China.
| | - Yinghua Yan
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Materials Science and Chemical Engineering, Institute of Mass Spectrometry, Ningbo University, Ningbo 315211, China.
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Prelac M, Major N, Cvitan D, Anđelini D, Repajić M, Ćurko J, Kovačević TK, Goreta Ban S, Užila Z, Ban D, Palčić I. Valorization of Olive Leaf Polyphenols by Green Extraction and Selective Adsorption on Biochar Derived from Grapevine Pruning Residues. Antioxidants (Basel) 2023; 13:1. [PMID: 38275621 PMCID: PMC10812658 DOI: 10.3390/antiox13010001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 12/15/2023] [Accepted: 12/15/2023] [Indexed: 01/27/2024] Open
Abstract
Given today's increasingly intensive agriculture, one key problem area considers the valorization and reuse of wastes from food and agricultural production with minimal impact on the environment. Due to its physicochemical characteristics, biochar (BC) derived from grapevine pruning residue has shown considerable potential for use as an adsorbent. High-value phytochemicals found in abundance in the olive leaf (OL) can be employed in many different industrial sectors. The potential application of BC in the removal of specific polyphenolic components from OL extracts has been investigated in the present study. Water, as the most available and greenest of solvents, was investigated as to its use in the extraction of polyphenols, which was carried out by comparing maceration, ultrasound-assisted extraction, and microwave-assisted extraction, considering different temperatures and solid-to-liquid (s/l) ratios. The BC adsorption capacity of selected polyphenols was fitted with both the Langmuir and Freundlich isotherm models. The Freundlich model fitted better relative to OL polyphenols adsorption. Oleuropein was the most abundant compound identified in the extracts, obtaining the highest Kf value (20.4 (mg/g) × (L/g)n) and R2 coefficient (0.9715) in the adsorption on the biochar's surface. The optimum conditions in the dosage experiment suggest the use of 0.5 g of BC using 3 g/L extracts, with an exception for oleuropein and hydroxytyrosol, for which the highest biochar dose (2.5 g) performed better. Considering the compounds' concentrations and the BC dose, BC from grapevine pruning residues demonstrated a potential use in the uptake of specific polyphenols from olive leaves, making it a promising adsorbent for such applications.
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Affiliation(s)
- Melissa Prelac
- Institute of Agriculture and Tourism, Karla Huguesa 8, 52440 Poreč, Croatia; (M.P.); (D.C.); (D.A.); (T.K.K.); (S.G.B.); (Z.U.); (D.B.); (I.P.)
| | - Nikola Major
- Institute of Agriculture and Tourism, Karla Huguesa 8, 52440 Poreč, Croatia; (M.P.); (D.C.); (D.A.); (T.K.K.); (S.G.B.); (Z.U.); (D.B.); (I.P.)
| | - Danko Cvitan
- Institute of Agriculture and Tourism, Karla Huguesa 8, 52440 Poreč, Croatia; (M.P.); (D.C.); (D.A.); (T.K.K.); (S.G.B.); (Z.U.); (D.B.); (I.P.)
| | - Dominik Anđelini
- Institute of Agriculture and Tourism, Karla Huguesa 8, 52440 Poreč, Croatia; (M.P.); (D.C.); (D.A.); (T.K.K.); (S.G.B.); (Z.U.); (D.B.); (I.P.)
| | - Maja Repajić
- Department of Food Engineering, University of Zagreb, Faculty of Food Technology and Biotechnology, Pierottijeva 6, 10000 Zagreb, Croatia; (M.R.); (J.Ć.)
| | - Josip Ćurko
- Department of Food Engineering, University of Zagreb, Faculty of Food Technology and Biotechnology, Pierottijeva 6, 10000 Zagreb, Croatia; (M.R.); (J.Ć.)
| | - Tvrtko Karlo Kovačević
- Institute of Agriculture and Tourism, Karla Huguesa 8, 52440 Poreč, Croatia; (M.P.); (D.C.); (D.A.); (T.K.K.); (S.G.B.); (Z.U.); (D.B.); (I.P.)
| | - Smiljana Goreta Ban
- Institute of Agriculture and Tourism, Karla Huguesa 8, 52440 Poreč, Croatia; (M.P.); (D.C.); (D.A.); (T.K.K.); (S.G.B.); (Z.U.); (D.B.); (I.P.)
| | - Zoran Užila
- Institute of Agriculture and Tourism, Karla Huguesa 8, 52440 Poreč, Croatia; (M.P.); (D.C.); (D.A.); (T.K.K.); (S.G.B.); (Z.U.); (D.B.); (I.P.)
| | - Dean Ban
- Institute of Agriculture and Tourism, Karla Huguesa 8, 52440 Poreč, Croatia; (M.P.); (D.C.); (D.A.); (T.K.K.); (S.G.B.); (Z.U.); (D.B.); (I.P.)
| | - Igor Palčić
- Institute of Agriculture and Tourism, Karla Huguesa 8, 52440 Poreč, Croatia; (M.P.); (D.C.); (D.A.); (T.K.K.); (S.G.B.); (Z.U.); (D.B.); (I.P.)
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Yang W, Lei G, Quan S, Zhang L, Wang B, Hu H, Li L, Ma H, Yin C, Feng F, Jing Y. The Removal of Cr(VI) from Aqueous Solutions with Corn Stalk Biochar. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:14188. [PMID: 36361074 PMCID: PMC9657737 DOI: 10.3390/ijerph192114188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 10/24/2022] [Accepted: 10/27/2022] [Indexed: 06/16/2023]
Abstract
The discharge of wastewater containing hexavalent chromium (Cr(VI)) into the environment is very harmful to living things. Therefore, before effluent that contains Cr(VI) can be discharged into the environment, this toxin should be removed from the contaminated water. In this study, corn stalk biochar was investigated to evaluate the Cr(VI) removal efficiency from an aqueous solution. The effects of pH (2-10), biochar concentration (0.5 to 10 g/L), Cr(VI) concentration (10-500 mg/L), and contact time (10-1440 min) were studied. The actual experimental value of the Cr(VI) removal efficiency was 28.67%, largely consistent with the predicted model value of 29.31%, under the optimal conditions of a Cr(VI) concentration of 60 g/L, pH 4, contact time of 270 min, and a biochar concentration of 4.5 g/L. A significant interaction between the Cr(VI) concentration and pH was observed, along with significance in the interaction between Cr(VI) concentration and biochar concentration, which had a greater impact on the removal of Cr(VI). Biosorption onto corn stalk biochar is an affordable and economical adsorption process to treat wastewater contaminated with Cr(VI). The aim of this study is to provide data to serve as a basis for future studies on the use of raw agricultural waste to remove Cr(VI).
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Affiliation(s)
- Wenling Yang
- Key Laboratory of Microbial Engineering at the Institute of Biology, Henan Academy of Sciences, Zhengzhou 450008, China
| | - Gao Lei
- Key Laboratory of Microbial Engineering at the Institute of Biology, Henan Academy of Sciences, Zhengzhou 450008, China
| | - Shujing Quan
- Key Laboratory of Microbial Engineering at the Institute of Biology, Henan Academy of Sciences, Zhengzhou 450008, China
| | - Longfei Zhang
- Key Laboratory of New Materials and Facilities for Rural Renewable Energy (Ministry of Agriculture and Rural Affairs of China), Henan Agricultural University, Zhengzhou 450002, China
| | - Baitao Wang
- Key Laboratory of Microbial Engineering at the Institute of Biology, Henan Academy of Sciences, Zhengzhou 450008, China
| | - Hong Hu
- Key Laboratory of Microbial Engineering at the Institute of Biology, Henan Academy of Sciences, Zhengzhou 450008, China
| | - Liangliang Li
- Key Laboratory of Microbial Engineering at the Institute of Biology, Henan Academy of Sciences, Zhengzhou 450008, China
| | - Huan Ma
- Key Laboratory of Microbial Engineering at the Institute of Biology, Henan Academy of Sciences, Zhengzhou 450008, China
| | - Chaohui Yin
- Key Laboratory of New Materials and Facilities for Rural Renewable Energy (Ministry of Agriculture and Rural Affairs of China), Henan Agricultural University, Zhengzhou 450002, China
| | - Fei Feng
- Key Laboratory of Microbial Engineering at the Institute of Biology, Henan Academy of Sciences, Zhengzhou 450008, China
| | - Yanyan Jing
- Key Laboratory of New Materials and Facilities for Rural Renewable Energy (Ministry of Agriculture and Rural Affairs of China), Henan Agricultural University, Zhengzhou 450002, China
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