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Liu X, Zhang L, Yu Y, Qian C, Li C, Wei S, Li C, Gu W. Nitrogen and Chemical Control Management Improve Yield and Quality in High-Density Planting of Maize by Promoting Root-Bleeding Sap and Nutrient Absorption. FRONTIERS IN PLANT SCIENCE 2022; 13:754232. [PMID: 35812983 PMCID: PMC9260249 DOI: 10.3389/fpls.2022.754232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
High-density planting aggravates competition among plants and has a negative impact on plant growth and productivity. Nitrogen application and chemical control can improve plant growth and increase grain yield in high-density planting. Our experiment explored the effects of nitrogen fertilizer and plant growth regulators on maize root-bleeding sap, phosphorus (P) and potassium (K) accumulation and translocation, and grain yield and quality in high-density planting. We established a field study during the 2017 and 2018 growing seasons, with three nitrogen levels of N100 (100 kg ha-1), N200 (200 kg ha-1), and N300 (300 kg ha-1) at high-density planting (90,000 plants ha-1), and applied Yuhuangjin (a plant growth regulator mixture of 3% DTA-6 and 27% ethephon) at the 7th leaf. Our results showed that N200 application combined with chemical control could regulate amino acid and mineral nutrient concentration delivery rates in root-bleeding sap and improve its sap rate. Also, the treated plant exhibited higher P and K uptake and translocation ability. Furthermore, chemical control and N200 treatment maintained a high level of ribulose-1,5-bisphosphate carboxylase (RuBPCase), phosphoenolpyruvate carboxylase (PEPCase), nitrate reductase (NR), and glutamine synthetase (GS) enzymatic activities in leaves. In addition, plant growth regulator and nitrogen application improved the enzymatic activities of GS, glutamate dehydrogenase (GDH), and glutamic pyruvic transaminase (GPT) and the contents of crude protein, lysine, sucrose, and soluble sugar in grain and ultimately increased maize yield. This study suggests that N200 application in combination with chemical control promotes root vitality and nutrient accumulation and could improve grain yield and quality in high-density planting.
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Affiliation(s)
- Xiaoming Liu
- College of Agriculture, Northeast Agricultural University, Harbin, China
| | - Liguo Zhang
- Institute of Maize Research, Heilongjiang Academy of Agricultural Sciences, Harbin, China
| | - Yang Yu
- Institute of Crop Cultivation and Tillage, Heilongjiang Academy of Agricultural Sciences, Harbin, China
| | - Chunrong Qian
- Institute of Crop Cultivation and Tillage, Heilongjiang Academy of Agricultural Sciences, Harbin, China
| | - Congfeng Li
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Shi Wei
- College of Agriculture, Northeast Agricultural University, Harbin, China
| | - Caifeng Li
- College of Agriculture, Northeast Agricultural University, Harbin, China
| | - Wanrong Gu
- College of Agriculture, Northeast Agricultural University, Harbin, China
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Simple extraction procedure for free amino acids determination in selected gluten-free flour samples. Eur Food Res Technol 2021. [DOI: 10.1007/s00217-021-03896-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
AbstractThe simple extraction of flours samples followed by free amino acids determination procedures was studied and optimised. The conditions of amino acids derivatisation reaction with ninhydrin for chromatographic determination of free amino acids sum was discussed. The developed method was processed in terms of linearity, precision, accuracy, and limits of detection and quantification. Moreover, capillary isotachophoresis and HPLC methods were applied for individual free amino acids determination. The proposed extraction procedure is simple, fast and convenient for different flours samples. Studied procedures were used for free amino acids determination in twelve gluten-free flour samples (corn, oat, soy, rice, pumpkin, millet, peanut, hemp seed, buckwheat, amaranth, pea and chickpea) and the obtained results were compared with wheat flour.
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Guan C, Yuan Y, Zhang W, Ding X, Zhang C, Chen D, Lu M, Gu R, Chen X. Variation of bitter components of the asparagus juices during lactic acid bacteria fermentation. Biosci Biotechnol Biochem 2021; 85:2300-2310. [PMID: 34506626 DOI: 10.1093/bbb/zbab158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 09/03/2021] [Indexed: 11/13/2022]
Abstract
To investigate the bitterness status of asparagus juices during lactic acid fermentation, Limosilactobacillus fermentum Xd, Lacticaseibacillus paracasei Yd, Lactiplantibacillus plantarum 5-7-3, and their various combinations were used for single and mixed fermentation of asparagus juices. The fermentation characteristics and variation of the main bitter substances were studied. For the single and cofermented samples, the viable counts, pH value, and acidity were ranged from 8.33-8.65 lg CFU/mL, 3.58-3.86, and 6.29-6.52 g/kg, respectively. By sensory evaluation, the bitterness of every fermented sample was continuously reduced by at least 77% during fermentation, and the corresponding content of total saponins, flavonoids, and 9 bitter amino acids showed varying degrees of declination. These results suggested that it was feasible to develop novel low-bitter asparagus juices fermented by the lactic acid bacteria used in this study.
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Affiliation(s)
- Chengran Guan
- Key Lab of Dairy Biotechnology and Safety Control, College of Food Science and Engineering, Yangzhou University, Jiangsu, China
| | - Yuan Yuan
- Key Lab of Dairy Biotechnology and Safety Control, College of Food Science and Engineering, Yangzhou University, Jiangsu, China
| | - Wenjuan Zhang
- Key Lab of Dairy Biotechnology and Safety Control, College of Food Science and Engineering, Yangzhou University, Jiangsu, China
| | - Xiangli Ding
- Key Lab of Dairy Biotechnology and Safety Control, College of Food Science and Engineering, Yangzhou University, Jiangsu, China
| | - Chenchen Zhang
- Key Lab of Dairy Biotechnology and Safety Control, College of Food Science and Engineering, Yangzhou University, Jiangsu, China
| | - Dawei Chen
- Key Lab of Dairy Biotechnology and Safety Control, College of Food Science and Engineering, Yangzhou University, Jiangsu, China
| | - Maolin Lu
- Key Lab of Dairy Biotechnology and Safety Control, College of Food Science and Engineering, Yangzhou University, Jiangsu, China
| | - Ruixia Gu
- Key Lab of Dairy Biotechnology and Safety Control, College of Food Science and Engineering, Yangzhou University, Jiangsu, China
| | - Xia Chen
- Key Lab of Dairy Biotechnology and Safety Control, College of Food Science and Engineering, Yangzhou University, Jiangsu, China
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Wang Q, Peng C, Shi L, Liu Z, Zhou D, Meng H, Zhao H, Li F, Zhang M. A Technical System for the Large-Scale Application of Metabolites From Paecilomyces variotii SJ1 in Agriculture. Front Bioeng Biotechnol 2021; 9:671879. [PMID: 34055763 PMCID: PMC8149806 DOI: 10.3389/fbioe.2021.671879] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 04/08/2021] [Indexed: 01/31/2023] Open
Abstract
Compared with endophytes, metabolites from endophytes (MEs) have great potential in agriculture. However, a technique for industrializing the production of MEs is still scarce. Moreover, the establishment of effective methods for evaluating the quality of MEs is hampered by the fact that some compounds with beneficial effects on crops have not been clearly identified. Herein, a system was established for the production, quality control and application of MEs by using the extract from Paecilomyces variotii SJ1 (ZNC). First, the extraction conditions of ZNC were optimized through response surface methodology, after which each batch (500 L) met the consumption requirements of crops in 7,467 hectares. Then, chromatographic fingerprinting and enzyme-linked immunosorbent assay were applied to evaluate the similarity and specificity of unknown effective components in ZNC, ensuring a similarity of more than 90% and a quantitative accuracy of greater than 99.9% for the products from different batches. Finally, the bioactivity of industrially produced ZNC was evaluated in the field, and it significantly increased the potato yields by 4.4–10.8%. Overall, we have established a practical technical system for the large-scale application of ZNC in agriculture.
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Affiliation(s)
- Qingbin Wang
- National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources, College of Resources and Environment, National Engineering and Technology Research Center for Slow and Controlled Release Fertilizers, Shandong Agricultural University, Tai'an, China.,Shandong Pengbo Biotechnology Co., Ltd., Tai'an, China
| | - Chune Peng
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai'an, China
| | - Liran Shi
- Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, National Glycoengineering Research Center, Shandong University, Qingdao, China
| | - Zhiguang Liu
- National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources, College of Resources and Environment, National Engineering and Technology Research Center for Slow and Controlled Release Fertilizers, Shandong Agricultural University, Tai'an, China
| | - Dafa Zhou
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai'an, China
| | - Hui Meng
- Shandong Pengbo Biotechnology Co., Ltd., Tai'an, China
| | - Hongling Zhao
- Shandong Pengbo Biotechnology Co., Ltd., Tai'an, China
| | - Fuchuan Li
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai'an, China
| | - Min Zhang
- National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources, College of Resources and Environment, National Engineering and Technology Research Center for Slow and Controlled Release Fertilizers, Shandong Agricultural University, Tai'an, China
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Klupczynska A, Misiura M, Miltyk W, Oscilowska I, Palka J, Kokot ZJ, Matysiak J. Development of an LC-MS Targeted Metabolomics Methodology to Study Proline Metabolism in Mammalian Cell Cultures. Molecules 2020; 25:molecules25204639. [PMID: 33053735 PMCID: PMC7587214 DOI: 10.3390/molecules25204639] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 10/05/2020] [Accepted: 10/11/2020] [Indexed: 12/11/2022] Open
Abstract
A growing interest in metabolomics studies of cultured cells requires development not only untargeted methods capable of fingerprinting the complete metabolite profile but also targeted methods enabling the precise and accurate determination of a selected group of metabolites. Proline metabolism affects many crucial processes at the cellular level, including collagen biosynthesis, redox balance, energetic processes as well as intracellular signaling. The study aimed to develop a robust and easy-to-use targeted metabolomics method for the determination of the intracellular level of proline and the other two amino acids closely related to proline metabolism: glutamic acid and arginine. The method employs hydrophilic interaction liquid chromatography followed by high-resolution, accurate-mass mass spectrometry for reliable detection and quantification of the target metabolites in cell lysates. The sample preparation consisted of quenching by the addition of ice-cold methanol and subsequent cell scraping into a quenching solution. The method validation showed acceptable linearity (r > 0.995), precision (%RSD < 15%), and accuracy (88.5–108.5%). Pilot research using HaCaT spontaneously immortalized human keratinocytes in a model for wound healing was performed, indicating the usefulness of the method in studies of disturbances in proline metabolism. The developed method addresses the need to determine the intracellular concentration of three key amino acids and can be used routinely in targeted mammalian cell culture metabolomics research.
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Affiliation(s)
- Agnieszka Klupczynska
- Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, 60-780 Poznan, Poland;
- Correspondence: ; Tel.: +48-61-854-66-16
| | - Magdalena Misiura
- Department of Analysis and Bioanalysis of Medicines, Medical University of Bialystok, 15-222 Bialystok, Poland; (M.M.); (W.M.)
| | - Wojciech Miltyk
- Department of Analysis and Bioanalysis of Medicines, Medical University of Bialystok, 15-222 Bialystok, Poland; (M.M.); (W.M.)
| | - Ilona Oscilowska
- Department of Medicinal Chemistry, Medical University of Bialystok, 15-222 Bialystok, Poland; (I.O.); (J.P.)
| | - Jerzy Palka
- Department of Medicinal Chemistry, Medical University of Bialystok, 15-222 Bialystok, Poland; (I.O.); (J.P.)
| | - Zenon J. Kokot
- Faculty of Health Sciences, State University of Applied Sciences in Kalisz, 62-800 Kalisz, Poland;
| | - Jan Matysiak
- Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, 60-780 Poznan, Poland;
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Abstract
AbstractTryptophan is essential amino acid and precursor for many neurotramsmiters that must be obtained from dietary proteins. However, its free form is easily absorbed and could increase the availability of this amino acid to the brain. Because of free tryptophan interaction with human health simple, eco-friendliness and low-cost method of determination are still needed. In this study, new and simple procedure for free tryptophan determination using capillary isotachophoresis is discussed. The method validation pointed good linearity, satisfactory selectivity, accuracy (recoveries varied from 98.4 to 100.1%), intra- and inter-day precision (coefficent of variation was < 5% for each standard solution and < 6% for real samples) and no matrix effect. The proposed procedure was successfully applied to analyse free tryptophan in beer samples and found contents varied from not detected to 40.74 ± 0.27 mg L−1. The obtained results were compared with chromatographic determination after derivatization with 2-chloro-1,3-dinitro-5-(trifluoromethyl)benzene and pointed better selectivity and accuracy of isotachophoretic procedure with similar precision. Due to the simplicity and flexibility, the proposed procedure is suitable for tryptophan analysis in complex matrices.
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Corleto KA, Singh J, Jayaprakasha GK, Patil BS. A sensitive HPLC-FLD method combined with multivariate analysis for the determination of amino acids in l-citrulline rich vegetables. J Food Drug Anal 2019; 27:717-728. [PMID: 31324287 PMCID: PMC9307045 DOI: 10.1016/j.jfda.2019.04.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 03/22/2019] [Accepted: 04/03/2019] [Indexed: 12/02/2022] Open
Abstract
The proposed analytical method reports the separation and quantification of 21 amino acids including l-citrulline from fresh vegetables and commercial juices using a C8 column. Optimal separation conditions for amino acids analysis were obtained with 20 mM sodium acetate (solvent A) and water with organic modifier acetonitrile and methanol (solvent B; 18/50/32 V/V). The ideal pH and column temperature were found to be 5.40 and 35 °C, respectively. The LOD and LOQ values were obtained in the range of 0.02–0.19 ng/mL and 0.04–0.39 ng/mL for all amino acids respectively. Relative standard deviations (RSD) of intraday and interday analysis were found to be <2.7% and 7.9%, respectively. The recovery of amino acids were found be satisfactory for all the tested crops. The developed method was successfully used for the quantification of amino acids in six fresh vegetable juices including watermelon, cucumber, celery, calabaza squash, zucchini squash, yellow squash and commercial juices. Multivariate analysis was used to determine the significant differences in the amino acids profiles. l-citrulline content was highest in fresh watermelon juice (716.57 ± 24.80 μg/mL) and commercial watermelon lime juice (826.48 ± 34.48 μg/mL). The optimized analytical method is rapid, sensitive, accurate and reproducible for analysis of free amino acids including l-citrulline from different vegetable juices and other food products. To the best of our knowledge, this is the first report to separate OPA derivatives of amino acids using C8 column from watermelon, cucumber, zucchini squash, yellow squash, calabaza squash, and celery in a HPLC-FLD system.
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Affiliation(s)
- Karen A Corleto
- Vegetable and Fruit Improvement Center, Department of Horticultural Sciences, Texas A&M University, 1500 Research Parkway, Suite A120, College Station, TX 77845, USA
| | - Jashbir Singh
- Vegetable and Fruit Improvement Center, Department of Horticultural Sciences, Texas A&M University, 1500 Research Parkway, Suite A120, College Station, TX 77845, USA
| | - G K Jayaprakasha
- Vegetable and Fruit Improvement Center, Department of Horticultural Sciences, Texas A&M University, 1500 Research Parkway, Suite A120, College Station, TX 77845, USA.
| | - Bhimanagouda S Patil
- Vegetable and Fruit Improvement Center, Department of Horticultural Sciences, Texas A&M University, 1500 Research Parkway, Suite A120, College Station, TX 77845, USA.
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Guo M, Shi T, Duan Y, Zhu J, Li J, Cao Y. Investigation of amino acids in wolfberry fruit (Lycium barbarum) by solid-phase extraction and liquid chromatography with precolumn derivatization. J Food Compost Anal 2015. [DOI: 10.1016/j.jfca.2015.03.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Zhang J, Zhou X, Zhou Z, Chen H, Chen L. Preparation and characterization of L-phenylalanine modified chitosan resin for aromatic amino acid adsorption. Macromol Res 2014. [DOI: 10.1007/s13233-014-2075-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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