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Park J, Choi W, Kim J, Kim HW, Lee JY, Lee J, Kim B. Quantitative Analysis and Molecular Docking Simulation of Flavonols from Eruca sativa Mill. and Their Effect on Skin Barrier Function. Curr Issues Mol Biol 2024; 46:398-408. [PMID: 38248327 PMCID: PMC10814921 DOI: 10.3390/cimb46010025] [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: 11/24/2023] [Revised: 12/22/2023] [Accepted: 12/28/2023] [Indexed: 01/23/2024] Open
Abstract
Eruca sativa is a commonly used edible plant in Italian cuisine. E. sativa 70% ethanol extract (ES) was fractionated with five organic solvents, including n-hexane (EHex), chloroform (ECHCl3), ethyl acetate (EEA), n-butyl alcohol (EBuOH), and water (EDW). Ethyl acetate fraction (EEA) had the highest antioxidant activity, which was correlated with the total polyphenol and flavonoid content. ES and EEA acted as PPAR-α ligands by PPAR-α competitive binding assay. EEA significantly increased cornified envelope formation as a keratinocyte terminal differentiation marker in HaCaT cells. Further, it significantly reduced nitric oxide and pro-inflammatory cytokines (IL-6 and TNF-α) in lipopolysaccharide-stimulated RAW 264.7 cells. The main flavonol forms detected in high amounts from EEA are mono-and di-glycoside of each aglycone. The main flavonol form of EEA is the mono-glycoside of each aglycone detected, and the most abundant flavonol mono-glycoside is kaempferol 3-glucoside 7.4%, followed by quercetin-3-glucoside 2.3% and isorhamnetin 3-glucoside 1.4%. Flavonol mono-glycosides were shown to be a potent PPAR-α ligand using molecular docking simulation and showed the inhibition of nitric oxide. These results suggest that the flavonol composition of E. sativa is suitable for use in improving skin barrier function and inflammation in skin disorders, such as atopic dermatitis.
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Affiliation(s)
- Jihye Park
- Department of Chemistry, The Graduate School, Mokwon University, Daejeon 35349, Republic of Korea; (J.P.); (J.K.); (H.W.K.)
| | - Wonchul Choi
- Interdisciplinary Program in Biocosmetics, Sungkyunkwan University, Suwon 16419, Republic of Korea;
| | - Jayoung Kim
- Department of Chemistry, The Graduate School, Mokwon University, Daejeon 35349, Republic of Korea; (J.P.); (J.K.); (H.W.K.)
| | - Hye Won Kim
- Department of Chemistry, The Graduate School, Mokwon University, Daejeon 35349, Republic of Korea; (J.P.); (J.K.); (H.W.K.)
| | - Jee-Young Lee
- Structure Based Drug Design Laboratory, New Drug Development Center, Daegu Gyeongbuk Medical Innovation Foundation (K-Medi Hub), Daegu 41061, Republic of Korea;
| | - Jongsung Lee
- Interdisciplinary Program in Biocosmetics, Sungkyunkwan University, Suwon 16419, Republic of Korea;
| | - Bora Kim
- Department of Chemistry, The Graduate School, Mokwon University, Daejeon 35349, Republic of Korea; (J.P.); (J.K.); (H.W.K.)
- Department of Cosmetics Engineering, Mokwon University, Daejeon 35349, Republic of Korea
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Đulović A, Usanović K, Kukoč Modun L, Blažević I. Selenium Biofortification Effect on Glucosinolate Content of Brassica oleracea var. italic and Eruca vesicaria. Molecules 2023; 28:7203. [PMID: 37894683 PMCID: PMC10609431 DOI: 10.3390/molecules28207203] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 10/18/2023] [Accepted: 10/19/2023] [Indexed: 10/29/2023] Open
Abstract
Glucosinolates (GSLs) in different plant parts of broccoli (Brassica oleracea var. italic) and rocket (Eruca vesicaria) were analyzed qualitatively and quantitatively before and after treatment with sodium selenate (2 and 5 mM), by their desulfo-counterparts using the UHPLC-DAD-MS/MS technique. Twelve GSLs were detected in broccoli (five aliphatic, one arylaliphatic, and six indolic), where 4-(methylsulfanyl)butyl GSL (glucoerucin) was the main one in the roots (4.88-9.89 µmol/g DW), 4-(methylsulfinyl)butyl GSL (glucoraphanin) in stems (0.44-1.11 µmol/g DW), and 4-hydroxyindol-3-ylmethyl GSL (4-hydroxyglucobrassicin) in leaves (0.51-0.60 µmol/g DW). No GSL containing selenium was detected in the treated broccoli. Ten GSLs were detected in rocket (seven aliphatic and three indolic), where 4-(methylsulfanyl)butyl GSL (glucoerucin) was the main one in the roots (4.50-20.59 µmol/g DW) and 4-methoxyindol-3-ylmethyl GSL (4-methoxyglucobrassicin) in the aerial part (0.57-5.69 µmol/g DW). As a result of induced stress by selenium fertilization, the total GSL content generally increased in both plants. In contrast to broccoli, the roots and the aerial part of the rocket treated with a high concentration of sodium selenate contained 4-(methylseleno)butyl GSL (glucoselenoerucin) (0.36-4.48 µmol/g DW). Although methionine-derived GSLs are the most abundant in both plants, the plants' ability to tolerate selenate and its regulation by selenoglucosinolate production is species- and growth-stage-dependent.
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Affiliation(s)
- Azra Đulović
- Department of Organic Chemistry, Faculty of Chemistry and Technology, University of Split, Ruđera Boškovića 35, 21000 Split, Croatia; (A.Đ.); (K.U.)
| | - Katarina Usanović
- Department of Organic Chemistry, Faculty of Chemistry and Technology, University of Split, Ruđera Boškovića 35, 21000 Split, Croatia; (A.Đ.); (K.U.)
| | - Lea Kukoč Modun
- Department of Analytical Chemistry, Faculty of Chemistry and Technology, University of Split, Ruđera Boškovića 35, 21000 Split, Croatia;
| | - Ivica Blažević
- Department of Organic Chemistry, Faculty of Chemistry and Technology, University of Split, Ruđera Boškovića 35, 21000 Split, Croatia; (A.Đ.); (K.U.)
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Francini A, Quattrini E, Giuffrida F, Ferrante A. Biofortification of baby leafy vegetables using nutrient solution containing selenium. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:5472-5480. [PMID: 37046389 DOI: 10.1002/jsfa.12622] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 04/05/2023] [Accepted: 04/12/2023] [Indexed: 06/19/2023]
Abstract
BACKGROUND Biofortification of vegetables is an important innovation technique in the horticultural sector. Vegetables can be a vector of different minor elements that have beneficial effects on human health. Selenium (Se) is an important element for human nutrition and plays a significant role in defence mechanisms. The aim of this work was to investigate the effect of Se in the nutrient solutions on the crop biofortification ability, yield, and quality parameters of four baby leafy vegetables destined to the minimally processed industry. Experiments were performed on lamb's lettuce, lettuce, wild rocket, and spinach. These crops were cultivated in the floating systems with nutrient solution enriched with 0, 2.6, 3.9, and 5.2 μmol L-1 Se provided as sodium selenate. RESULTS At harvest, Se concentrations, yield, nitrate concentration, sugars, and some mineral elements were measured. Data collected and analyses showed that yield, nitrate, sucrose, and reducing sugars were not affected by Se treatments, even if varied among species. Se concentrations linearly increased in leaves of different species by increasing the Se concentration in the nutrient solution. Rocket was the species with the highest accumulation ability and reached a concentration of 11 μg g-1 fresh weight Se in plants grown with 5.2 μmol L-1 Se. CONCLUSION A floating system with Se-enriched nutrient solution is an optimal controlled growing biofortification system for leafy vegetables. The accumulation ability decreased in different species in the order wild rocket, spinach, lettuce, and lamb's lettuce, highlighting a crop-dependent behaviour and their attitude to biofortification. © 2023 The Authors. Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
| | - Emanuele Quattrini
- Department of Agricultural and Environmental Sciences, Università degli Studi di Milano, Milan, Italy
| | - Francesco Giuffrida
- Department of Agriculture, Food and Environment, Catania University, Catania, Italy
| | - Antonio Ferrante
- Department of Agricultural and Environmental Sciences, Università degli Studi di Milano, Milan, Italy
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Kieliszek M, Serrano Sandoval SN. The importance of selenium in food enrichment processes. A comprehensive review. J Trace Elem Med Biol 2023; 79:127260. [PMID: 37421809 DOI: 10.1016/j.jtemb.2023.127260] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 06/28/2023] [Accepted: 07/03/2023] [Indexed: 07/10/2023]
Abstract
Selenium is an essential element that determines the proper life functions of human and animal organisms. The content of selenium in food varies depending on the region and soil conditions. Therefore, the main source is a properly selected diet. However, in many countries, there are shortages of this element in the soil and local food. Too low an amount of this element in food can lead to many adverse changes in the body. The consequence of this may also be the occurrence of numerous potentially life-threatening diseases. Therefore, it is very important to properly introduce methods that condition the supplementation of the appropriate chemical form of this element, especially in areas with deficient selenium content. This review aims to summarize the published literature on the characterization of different types of selenium-enriched foods. At the same time, legal regulations and prospects for the future related to the production of food enriched with this element are presented. It should be noted that there are limitations and concerns with the production of such food due to the narrow safety range between the necessary and the toxic dose of this element. Therefore, selenium has been treated with special care for a very long time. For this reason, the presented mechanisms of production processes related to increasing the scale of selenium supplementation should be constantly monitored. Appropriate monitoring and development of the technological process for the production of selenium-enriched food is very important. Such food should ensure consumer safety and repeatability of the obtained product. Understanding the mechanisms and possibilities of selenium accumulation by plants and animals is one of the most important directions in the development of modern bromatology and the science of supplementation. This is particularly important in the case of rational nutrition and supplementing the human diet with an essential element such as selenium. Food technology is facing these challenges today.
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Affiliation(s)
- Marek Kieliszek
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159C, 02-776 Warsaw, Poland.
| | - Sayra N Serrano Sandoval
- Tecnologico de Monterrey, Centro de Biotecnología FEMSA, Escuela de Ingeniería y Ciencias, Av. Eugenio Garza Sada 2501 Sur, C.P. 64849 Monterrey, NL, Mexico; Tecnologico de Monterrey, The Institute for Obesity Research, Monterrey, Av. Eugenio Garza Sada 2501 Sur, C.P. 64849 Monterrey, NL, Mexico
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Bouranis DL, Stylianidis GP, Manta V, Karousis EN, Tzanaki A, Dimitriadi D, Bouzas EA, Siyiannis VF, Constantinou-Kokotou V, Chorianopoulou SN, Bloem E. Floret Biofortification of Broccoli Using Amino Acids Coupled with Selenium under Different Surfactants: A Case Study of Cultivating Functional Foods. PLANTS (BASEL, SWITZERLAND) 2023; 12:1272. [PMID: 36986960 PMCID: PMC10055910 DOI: 10.3390/plants12061272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 03/01/2023] [Accepted: 03/07/2023] [Indexed: 06/19/2023]
Abstract
Broccoli serves as a functional food because it can accumulate selenium (Se), well-known bioactive amino-acid-derived secondary metabolites, and polyphenols. The chemical and physical properties of Se are very similar to those of sulfur (S), and competition between sulfate and selenate for uptake and assimilation has been demonstrated. Towards an efficient agronomic fortification of broccoli florets, the working questions were whether we could overcome this competition by exogenously applying the S-containing amino acids cysteine (Cys) or/and methionine (Met), or/and the precursors of Glucosinolate (GSL) types along with Se application. Broccoli plants were cultivated in a greenhouse and at the beginning of floret growth, we exogenously applied sodium selenate in the concentration gradient of 0, 0.2, 1.5, and 3.0 mM to study the impact of increased Se concentration on the organic S (Sorg) content of the floret. The Se concentration of 0.2 mM (Se0.2) was coupled with the application of Cys, Met, their combination, or a mixture of phenylalanine, tryptophane, and Met. The application took place through fertigation or foliar application (FA) by adding isodecyl alcohol ethoxylate (IAE) or a silicon ethoxylate (SiE) surfactant. Fresh biomass, dry mass, and Se accumulation in florets were evaluated, along with their contents of Sorg, chlorophylls (Chl), carotenoids (Car), glucoraphanin (GlRa), glucobrassicin (GlBra), glucoiberin (GlIb), and polyphenols (PPs), for the biofortification efficiency of the three application modes. From the studied selenium concentration gradient, the foliar application of 0.2 mM Se using silicon ethoxylate (SiE) as a surfactant provided the lowest commercially acceptable Se content in florets (239 μg or 0.3 μmol g-1 DM); it reduced Sorg (-45%), GlIb (-31%), and GlBr (-27%); and it increased Car (21%) and GlRa (27%). Coupled with amino acids, 0.2 mM Se provided commercially acceptable Se contents per floret only via foliar application. From the studied combinations, that of Met,Se0.2/FA,IAE provided the lowest Se content per floret (183 μg or 0.2 μmol g-1 DM) and increased Sorg (35%), Car (45%), and total Chl (27%), with no effect on PPs or GSLs. Cys,Met,Se0.2/FA,IAE and amino acid mix,Se0.2/FA,IAE increased Sorg content, too, by 36% and 16%, respectively. Thus, the foliar application with the IAE surfactant was able to increase Sorg, and methionine was the amino acid in common in these treatments, with varying positive effects on carotenoids and chlorophylls. Only the Cys,Met,Se0.2 combination presented positive effects on GSLs, especially GlRa, but it reduced the fresh mass of the floret. The foliar application with SiE as a surfactant failed to positively affect the organic S content. However, in all studied combinations of Se 0.2 mM with amino acids, the Se content per floret was commercially acceptable, the yield was not affected, the content of GSLs was increased (especially that of GlRa and GlIb), and PPs were not affected. The content of GlBr decreased except for the treatment with methionine (Met,Se0.2/FA,SiE) where GlBr remained unaffected. Hence, the combination of Se with the used amino acids and surfactants can provide enhanced biofortification efficiency in broccoli by providing florets as functional foods with enhanced functional properties.
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Affiliation(s)
- Dimitris L. Bouranis
- Plant Physiology & Morphology Laboratory, Crop Science Department, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece
- PlanTerra Institute for Plant Nutrition & Soil Quality, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece
| | - Georgios P. Stylianidis
- Plant Physiology & Morphology Laboratory, Crop Science Department, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece
| | - Vassiliki Manta
- Plant Physiology & Morphology Laboratory, Crop Science Department, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece
| | - Evangelos N. Karousis
- Plant Physiology & Morphology Laboratory, Crop Science Department, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece
| | - Andriani Tzanaki
- Plant Physiology & Morphology Laboratory, Crop Science Department, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece
| | | | - Emmanuel A. Bouzas
- Chemical Laboratories, Department of Food Science and Human Nutrition, Agricultural University of Athens, 11855 Athens, Greece
| | | | - Violetta Constantinou-Kokotou
- Chemical Laboratories, Department of Food Science and Human Nutrition, Agricultural University of Athens, 11855 Athens, Greece
| | - Styliani N. Chorianopoulou
- Plant Physiology & Morphology Laboratory, Crop Science Department, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece
- PlanTerra Institute for Plant Nutrition & Soil Quality, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece
| | - Elke Bloem
- Julius Kuehn Institute, Federal Research Centre for Cultivated Plants, Bundesallee 58, 38116 Braunschweig, Germany
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Skrypnik L, Feduraev P, Golovin A, Maslennikov P, Styran T, Antipina M, Riabova A, Katserov D. The Integral Boosting Effect of Selenium on the Secondary Metabolism of Higher Plants. PLANTS (BASEL, SWITZERLAND) 2022; 11:3432. [PMID: 36559543 PMCID: PMC9788459 DOI: 10.3390/plants11243432] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 11/30/2022] [Accepted: 12/06/2022] [Indexed: 06/17/2023]
Abstract
Selenium is a micronutrient with a wide range of functions in animals, including humans, and in microorganisms such as microalgae. However, its role in plant metabolism remains ambiguous. Recent studies of Se supplementation showed that not only does it increase the content of the element itself, but also affects the accumulation of secondary metabolites in plants. The purpose of this review is to analyze and summarize the available data on the place of selenium in the secondary metabolism of plants and its effect on the accumulation of some plant metabolites (S- and N-containing secondary metabolites, terpenes, and phenolic compounds). In addition, possible molecular mechanisms and metabolic pathways underlying these effects are discussed. It should be noted that available data on the effect of Se on the accumulation of secondary metabolites are inconsistent and contradictory. According to some studies, selenium has a positive effect on the accumulation of certain metabolites, while other similar studies show a negative effect or no effect at all. The following aspects were identified as possible ways of regulating plant secondary metabolism by Se-supplementation: changes occurring in primary S/N metabolism, hormonal regulation, redox metabolism, as well as at the transcriptomic level of secondary metabolite biosynthesis. In all likelihood, the confusion in the results can be explained by other, more complex regulatory mechanisms in which selenium is involved and which affect the production of metabolites. Further study on the involvement of various forms of selenium in metabolic and signaling pathways is crucial for a deeper understanding of its role in growth, development, and health of plants, as well as the regulatory mechanisms behind them.
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Schiavon M, Nardi S, Pilon-Smits EAH, Dall’Acqua S. Foliar selenium fertilization alters the content of dietary phytochemicals in two rocket species. FRONTIERS IN PLANT SCIENCE 2022; 13:987935. [PMID: 36119625 PMCID: PMC9470978 DOI: 10.3389/fpls.2022.987935] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 08/08/2022] [Indexed: 06/15/2023]
Abstract
Biofortification is the process that aims to enrich crops in micronutrients and valuable compounds. Selenium (Se) biofortification has particularly attracted increasing interest in recent times due to the growing number of individuals suffering from Se deficiency. Selenate and selenite are the Se forms most frequently administered to crops. In this study, Se was applied foliarly as selenate at 2.5, 5, or 10 mg per plant to two rocket species, Diplotaxis tenuifolia and Eruca sativa, grown in soil and the effects in terms of Se enrichment and content of primary and secondary metabolites were comparatively analyzed. We also compared our results with those obtained previously when selenate was supplied to the same species in hydroponics by addition to the nutrient solution. In most cases, the results were the opposite. In E. sativa, foliar Se treatment was more effective in promoting Se accumulation, sulfur (S), cysteine, and glucosinolates. No significant effect of Se was evident on total phenolic content, but there were individual phenols. Among amino acids, the content of proline was increased by Se, perhaps to counteract osmotic stress due to high Se accumulation. In D. tenuifolia, the content of S and cysteine decreased under Se treatment, but the amount of glutathione was steady, suggesting a preferred assimilation of cysteine toward the synthesis of this antioxidant. Consistent, the content of methionine and glucosinolates was reduced. The content of total phenolics was enhanced only by the low Se dosage. In both species, selenocysteine (SeCys) was identified, the content of which was higher compared to plants grown hydroponically. Concluding, most metabolic differences between rocket species were observed at high Se supplementation. Low Se foliar fertilization was effective in an enriching rocket in Se without affecting other phytochemicals. However, the Se dosages sufficient for biofortification could be even lower, as the Se concentration in rocket treated with 2.5 mg Se per plant was still very high and the edible part should not be eaten undiluted. Also, a single method of Se supplementation does not appear to be optimal for all plant species or the same species, as the metabolic responses could be very different.
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Affiliation(s)
- Michela Schiavon
- Department of Agricultural, Forest and Food Sciences (DISAFA), University of Turin, Grugliasco, TO, Italy
| | - Serenella Nardi
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, Legnaro, PD, Italy
| | | | - Stefano Dall’Acqua
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
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Liu Z, Wang H, Lv J, Luo S, Hu L, Wang J, Li L, Zhang G, Xie J, Yu J. Effects of Plant Hormones, Metal Ions, Salinity, Sugar, and Chemicals Pollution on Glucosinolate Biosynthesis in Cruciferous Plant. FRONTIERS IN PLANT SCIENCE 2022; 13:856442. [PMID: 35574082 PMCID: PMC9096887 DOI: 10.3389/fpls.2022.856442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 03/17/2022] [Indexed: 06/15/2023]
Abstract
Cruciferous vegetable crops are grown widely around the world, which supply a multitude of health-related micronutrients, phytochemicals, and antioxidant compounds. Glucosinolates (GSLs) are specialized metabolites found widely in cruciferous vegetables, which are not only related to flavor formation but also have anti-cancer, disease-resistance, and insect-resistance properties. The content and components of GSLs in the Cruciferae are not only related to genotypes and environmental factors but also are influenced by hormones, plant growth regulators, and mineral elements. This review discusses the effects of different exogenous substances on the GSL content and composition, and analyzes the molecular mechanism by which these substances regulate the biosynthesis of GSLs. Based on the current research status, future research directions are also proposed.
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Affiliation(s)
- Zeci Liu
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Huiping Wang
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Jian Lv
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Shilei Luo
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Linli Hu
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Jie Wang
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Lushan Li
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Guobin Zhang
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Jianming Xie
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Jihua Yu
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
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Crosstalk between Selenium and Sulfur Is Associated with Changes in Primary Metabolism in Lettuce Plants Grown under Se and S Enrichment. PLANTS 2022; 11:plants11070927. [PMID: 35406907 PMCID: PMC9002494 DOI: 10.3390/plants11070927] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 03/24/2022] [Accepted: 03/26/2022] [Indexed: 11/29/2022]
Abstract
This study investigated the beneficial effects of selenium (Se) and sulfur (S) enrichment on the primary metabolism in butterhead lettuce. The plants were treated with three levels of Se via foliar application in the presence of two S levels in the nutrient solution under greenhouse conditions. The lettuce plants that were exposed to the lower selenate level (1.3 μM) in combination with the adequate and high S supplies (1 and 2 mM, respectively) accumulated 38.25 ± 0.38 µg Se g−1 DM and 47.98 ± 0.68 µg Se g−1 DM, respectively. However, a dramatic increase in the Se concentration (122.38 ± 5.07 µg Se g−1 DM, and 146.71 ± 5.43 µg Se g−1 DM, respectively) was observed in the lettuce heads that were exposed to the higher selenate foliar application (3.8 μM) in response to the varied sulfate concentrations (S1 and S2, respectively). Under higher Se and S supplies in the lettuce plants, the levels of organic acids, including malic acid and citric acid, decreased therein to 25.7 ± 0.5 and 3.9 ± 0.3 mg g−1 DM, respectively, whereas, in the plants that were subjected to adequate S and lower Se fertilization, the malic acid, and citric acid levels significantly increased to 47.3 ± 0.4 and 11.8 ± 0.4 mg g−1 DM, respectively. The two Se levels (1.3 and 3.8 μM) under the S1 conditions also showed higher concentrations of water-soluble sugars, including glucose and fructose (70.8.4 ± 1.1 and 115.0 ± 2.1 mg g−1 DM; and 109.4 ± 2.1 and 161.1 ± 1.0 mg g−1 DM, respectively), compared to the control. As with the glucose and fructose, the amino acids (Asn, Glu, and Gln) exhibited strikingly higher levels (48.7 ± 1.1 μmol g−1 DM) under higher S and Se conditions. The results presented in this report reveal that the “crosstalk” between Se and S exhibited a unique synergistic effect on the responses to the amino acids and the soluble sugar biosynthesis under Se and S enrichment. Additionally, the Se-and-S crosstalk could have an important implication on the final nutritional value and quality of lettuce plants.
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Lima LW, Castleberry M, Wangeline AL, Aguirre B, Dall’Acqua S, Pilon-Smits EAH, Schiavon M. Hyperaccumulator Stanleya pinnata: In Situ Fitness in Relation to Tissue Selenium Concentration. PLANTS (BASEL, SWITZERLAND) 2022; 11:690. [PMID: 35270160 PMCID: PMC8912631 DOI: 10.3390/plants11050690] [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: 02/04/2022] [Revised: 02/26/2022] [Accepted: 02/28/2022] [Indexed: 06/14/2023]
Abstract
Earlier studies have shown that Stanleya pinnata benefits from selenium hyperaccumulation through ecological benefits and enhanced growth. However, no investigation has assayed the effects of Se hyperaccumulation on plant fitness in the field. This research aimed to analyze how variation in Se accumulation affects S. pinnata fitness, judged from physiological and biochemical performance parameters and herbivory while growing naturally on two seleniferous sites. Natural variation in Se concentration in vegetative and reproductive tissues was determined, and correlations were explored between Se levels with fitness parameters, herbivory damage, and plant defense compounds. Leaf Se concentration varied between 13- and 55-fold in the two populations, averaging 868 and 2482 mg kg−1 dry weight (DW). Furthermore, 83% and 31% of plants from the two populations showed Se hyperaccumulator levels in leaves (>1000 mg kg−1 DW). In seeds, the Se levels varied 3−4-fold and averaged 3372 and 2267 mg kg−1 DW, well above the hyperaccumulator threshold. Plant size and reproductive parameters were not correlated with Se concentration. There was significant herbivory pressure even on the highest-Se plants, likely from Se-resistant herbivores. We conclude that the variation in Se hyperaccumulation did not appear to enhance or compromise S. pinnata fitness in seleniferous habitats within the observed Se range.
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Affiliation(s)
- Leonardo Warzea Lima
- Biology Department, Colorado State University, Fort Collins, CO 80523, USA; (L.W.L.); (M.C.); (E.A.H.P.-S.)
| | - McKenna Castleberry
- Biology Department, Colorado State University, Fort Collins, CO 80523, USA; (L.W.L.); (M.C.); (E.A.H.P.-S.)
| | - Ami L. Wangeline
- Biology Department, Laramie County Community College, Cheyenne, WY 82007, USA; (A.L.W.); (B.A.)
| | - Bernadette Aguirre
- Biology Department, Laramie County Community College, Cheyenne, WY 82007, USA; (A.L.W.); (B.A.)
| | - Stefano Dall’Acqua
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Via Marzolo 5, 35131 Padova, Italy;
| | | | - Michela Schiavon
- Biology Department, Colorado State University, Fort Collins, CO 80523, USA; (L.W.L.); (M.C.); (E.A.H.P.-S.)
- Dipartimento di Scienze Agrarie, Forestali e Alimentari, University of Torino, Largo Paolo Braccini 2, 10095 Grugliasco, Italy
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11
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Zhu X, Yang T, Sanchez CA, Hamilton JM, Fonseca JM. Nutrition by Design: Boosting Selenium Content and Fresh Matter Yields of Salad Greens With Preharvest Light Intensity and Selenium Applications. Front Nutr 2022; 8:787085. [PMID: 35071295 PMCID: PMC8766809 DOI: 10.3389/fnut.2021.787085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 12/03/2021] [Indexed: 11/28/2022] Open
Abstract
Selenium (Se) is an essential mineral in multiple human metabolic pathways with immune modulatory effects on viral diseases including the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and HIV. Plant-based foods contain Se metabolites with unique functionalities for the human metabolism. In order to assess the value of common salad greens as Se source, we conducted a survey of lettuce commercially grown in 15 locations across the USA and Canada and found a tendency for Se to accumulate higher (up to 10 times) in lettuce grown along the Colorado river basin region, where the highest amount of annual solar radiation of the country is recorded. In the same area, we evaluated the effect of sunlight reduction on the Se content of two species of arugula [Eruca sativa (E. sativa) cv. “Astro” and Diplotaxis tenuifolia (D. tenuifolia) cv. “Sylvetta”]. A 90% light reduction during the 7 days before harvest resulted in over one-third Se decline in D. tenuifolia. The effect of light intensity on yield and Se uptake of arugula microgreens was also examined under indoor controlled conditions. This included high intensity (HI) (160 μ mol−2 s−1 for 12 h/12 h light/dark); low intensity (LI) (70 μ mol m−2 s−1 for 12 h/12 h light/dark); and HI-UVA (12 h light of 160 μ mol m−2 s−1, 2 h UVA of 40 μ mol m−2 s−1, and 10 h dark) treatments in a factorial design with 0, 1, 5, and 10 ppm Se in the growing medium. HI and HI-UVA produced D. tenuifolia plants with 25–100% higher Se content than LI, particularly with the two higher Se doses. The addition of Se produced a marked increase in fresh matter (>35% in E. sativa and >45% in D. tenuifolia). This study (i) identifies evidence to suggest the revision of food composition databases to account for large Se variability, (ii) demonstrates the potential of introducing preharvest Se to optimize microgreen yields, and (iii) provides the controlled environment industry with key information to deliver salad greens with targeted Se contents.
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Affiliation(s)
- Xudong Zhu
- Food Quality Laboratory, Beltsville Agricultural Research Center, Agricultural Research Service, United States Department of Agriculture, Beltsville, MD, United States
| | - Tianbao Yang
- Food Quality Laboratory, Beltsville Agricultural Research Center, Agricultural Research Service, United States Department of Agriculture, Beltsville, MD, United States
| | - Charles A Sanchez
- Department of Environmental Sciences, Maricopa Agricultural Center, University of Arizona, Maricopa, AZ, United States
| | - Jeffrey M Hamilton
- Arid Lands Resource Sciences, University of Arizona, Tucson, AZ, United States
| | - Jorge M Fonseca
- Food Quality Laboratory, Beltsville Agricultural Research Center, Agricultural Research Service, United States Department of Agriculture, Beltsville, MD, United States
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12
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Izydorczyk G, Ligas B, Mikula K, Witek-Krowiak A, Moustakas K, Chojnacka K. Biofortification of edible plants with selenium and iodine - A systematic literature review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 754:141983. [PMID: 33254892 DOI: 10.1016/j.scitotenv.2020.141983] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 08/23/2020] [Accepted: 08/24/2020] [Indexed: 05/21/2023]
Abstract
Soil depletion with absorbed forms of microelements is a realistic problem leading to the formation of many human, plant, animal diseases related with micronutrient deficiencies. Searching for new ways to solve this problem is a crucial for the agro-chemical approach to food production. There are many research papers on plant micronutrient fertilization. However, there is still a lack of systematic review of the literature, which summarizes the most recent knowledge on biofortification of food of plant origin with microelements. This work is a systematic review which presents the various methodologies and compares the results of the applied doses and types of fertilizer formulation with the yield and micronutrient content of edible parts of plants. The PRISMA protocol-based review of the most recent literature data from the last 5 years (2015-2020) concerns enrichment of plants with selenium and iodine. These elements, in contrast to other microelements (zinc, manganese, iron, copper and others) are given to plants most often in anionic form: selenium - SeO32- and SeO42-, iodine - I- and IO3-, making them a separate subgroup of microelements. The review focuses on original research papers (not reviews), collected in 3 popular scientific databases: Scopus, Web of Knowledge, PubMed. This study shows how to effectively cope with hidden hunger taking into account the significance of optimized fertilization. Based on the collected data, the best method of micronutrients administration an integrated fortification strategy for selected trace elements and prospects in research/action development was proposed. It was found that the best way to enrich plants with selenium is foliar fertilization with Se(VI), in increased doses. The effectiveness of fortification is supported by the balanced nutrients fertilization, the presence of microorganisms and selection of plant varieties. Foliar fertilization, in increased doses with iodide (I-) is in turn an effective way to enrich plants with iodine.
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Affiliation(s)
- Grzegorz Izydorczyk
- Department of Advanced Material Technologies, Faculty of Chemistry, Wroclaw University of Science and Technology, Poland.
| | - Bartosz Ligas
- Department of Advanced Material Technologies, Faculty of Chemistry, Wroclaw University of Science and Technology, Poland
| | - Katarzyna Mikula
- Department of Advanced Material Technologies, Faculty of Chemistry, Wroclaw University of Science and Technology, Poland
| | - Anna Witek-Krowiak
- Department of Advanced Material Technologies, Faculty of Chemistry, Wroclaw University of Science and Technology, Poland
| | - Konstantinos Moustakas
- School of Chemical Engineering, National Technical University of Athens, 9 Iroon Polytechniou Str., Zographou Campus, GR-15780 Athens, Greece
| | - Katarzyna Chojnacka
- Department of Advanced Material Technologies, Faculty of Chemistry, Wroclaw University of Science and Technology, Poland
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13
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Germ M, Kacjan-Maršić N, Kroflič A, Jerše A, Stibilj V, Golob A. Significant Accumulation of Iodine and Selenium in Chicory ( Cichorium intybus L. var. foliosum Hegi) Leaves after Foliar Spraying. PLANTS (BASEL, SWITZERLAND) 2020; 9:plants9121766. [PMID: 33322207 PMCID: PMC7764295 DOI: 10.3390/plants9121766] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 12/09/2020] [Accepted: 12/10/2020] [Indexed: 05/21/2023]
Abstract
The interactions between the uptake of selenium (as selenite and selenate) and iodine (as iodate and iodide) by red chicory (Cichorium intybus L. var. foliosum Hegi) and their effects on selected morphological and physiological characteristics were investigated. Seedlings were transplanted to the field, and at the onset of head formation, the plants were foliar-sprayed with the following solutions: Milli-Q water (control), Se (IV), Se (VI), I (-I), I (V), Se (IV) + I (-I), Se (IV) + I (V), Se (VI) + I (-I) and Se (VI) + I (V). The different treatments had no significant effects on the yield (39.8-51.5 t ha-1) and mass (970-1200 g) of the chicory heads. The selenium content in Se-treated plants was up to 5.5-times greater than the control plants. The iodine content in the chicory leaves enriched with I was 3.5-times greater than the control plants. Iodide or iodate, applied together with selenite in the spray solution, increased the uptake of Se by chicory plants, while both forms of iodine, applied together with selenate, reduced the uptake of Se. Plants treated with I (V) had lower amounts of chlorophyll a and carotenoids than the control, while respiratory potential was higher than the control, which indicated the possible presence of stress in I (V)-treated plants. However, the potential photochemical efficiency of photosystem II was similar and close to the theoretical maximum (0.83) in the control and treated groups, which indicated that all of the plants were in good condition. Furthermore, the plant mass and yield were comparable in the control and treated groups. Molecular studies, like gene expression analysis, would represent a major upgrade of the present study by defining the mechanisms of Se and I uptake and their interactions and by enhancing the knowledge of the Se and I transporters.
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Affiliation(s)
- Mateja Germ
- Biotechnical Faculty, University of Ljubljana, 1501 Ljubljana, Slovenia; (M.G.); (N.K.-M.)
| | - Nina Kacjan-Maršić
- Biotechnical Faculty, University of Ljubljana, 1501 Ljubljana, Slovenia; (M.G.); (N.K.-M.)
| | - Ana Kroflič
- Jožef Stefan Institute, 1501 Ljubljana, Slovenia; (A.K.); (A.J.); (V.S.)
| | - Ana Jerše
- Jožef Stefan Institute, 1501 Ljubljana, Slovenia; (A.K.); (A.J.); (V.S.)
| | - Vekoslava Stibilj
- Jožef Stefan Institute, 1501 Ljubljana, Slovenia; (A.K.); (A.J.); (V.S.)
| | - Aleksandra Golob
- Biotechnical Faculty, University of Ljubljana, 1501 Ljubljana, Slovenia; (M.G.); (N.K.-M.)
- Correspondence: ; Tel.: +386-1-320-3334
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14
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Abdalla MA, Sulieman S, Mühling KH. Regulation of Selenium/Sulfur Interactions to Enhance Chemopreventive Effects: Lessons to Learn from Brassicaceae. Molecules 2020; 25:molecules25245846. [PMID: 33322081 PMCID: PMC7763292 DOI: 10.3390/molecules25245846] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 12/06/2020] [Accepted: 12/08/2020] [Indexed: 12/29/2022] Open
Abstract
Selenium (Se) is an essential trace element, which represents an integral part of glutathione peroxidase and other selenoproteins involved in the protection of cells against oxidative damage. Selenomethionine (SeMet), selenocysteine (SeCys), and methylselenocysteine (MeSeCys) are the forms of Se that occur in living systems. Se-containing compounds have been found to reduce carcinogenesis of animal models, and dietary supplemental Se might decrease cancer risk. Se is mainly taken up by plant roots in the form of selenate via high-affinity sulfate transporters. Consequently, owing to the chemical similarity between Se and sulfur (S), the availability of S plays a key role in Se accumulation owing to competition effects in absorption, translocation, and assimilation. Moreover, naturally occurring S-containing compounds have proven to exhibit anticancer potential, in addition to other bioactivities. Therefore, it is important to understand the interaction between Se and S, which depends on Se/S ratio in the plant or/and in the growth medium. Brassicaceae (also known as cabbage or mustard family) is an important family of flowering plants that are grown worldwide and have a vital role in agriculture and populations’ health. In this review we discuss the distribution and further interactions between S and Se in Brassicaceae and provide several examples of Se or Se/S biofortifications’ experiments in brassica vegetables that induced the chemopreventive effects of these crops by enhancing the production of Se- or/and S-containing natural compounds. Extensive further research is required to understand Se/S uptake, translocation, and assimilation and to investigate their potential role in producing anticancer drugs.
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15
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Mao S, Wang J, Wu Q, Liang M, Yuan Y, Wu T, Liu M, Wu Q, Huang K. Effect of selenium-sulfur interaction on the anabolism of sulforaphane in broccoli. PHYTOCHEMISTRY 2020; 179:112499. [PMID: 32980712 DOI: 10.1016/j.phytochem.2020.112499] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2020] [Revised: 08/12/2020] [Accepted: 08/18/2020] [Indexed: 06/11/2023]
Abstract
The effects of S (as sulphate) and Se (as selenite) treatment (S mM/Se μM: 1/0, 1/50, 1/100, 1/150, 4/0, 4/50, 4/100, and 4/150) on the production of sulforaphane (an anticancer compound), the accumulation of its precursor substance, and the expression of genes related to glucoraphanin biosynthesis in broccoli were examined. Sulforaphane yield and myrosinase activity increased significantly with the combined application of 4 mM S and 100 μM Se on broccoli. Furthermore, the concentrations of glucoraphanin (a sulforaphane precursor) and methionine (a glucoraphanin substrate) slightly changed after Se application. And the strong anticancer activity of compound Se-SMC was further improved. Analysis of related gene expression showed that MY, which encodes myrosinase, was strongly induced by Se treatment. Thus, the myrosinase activity induced by Se treatment is the dominant factor affecting sulforaphane yield from glucoraphanin hydrolyzation. Selenium-sulfur biofortification provides a technical support for the cultivation of broccoli with high sulforaphane and high anti-cancer selenium compounds.
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Affiliation(s)
- Shuxiang Mao
- College of Horticulture, Hunan Agricultural University, Changsha, 410128, China; Engineering Research Center for Horticultural Crop Germplasm Creation and New Variety Breeding, Ministry of Education, Changsha, 410128, China; Key Laboratory for Vegetable Biology of Hunan Province, Changsha, 410128, China
| | - Junwei Wang
- College of Horticulture, Hunan Agricultural University, Changsha, 410128, China; Engineering Research Center for Horticultural Crop Germplasm Creation and New Variety Breeding, Ministry of Education, Changsha, 410128, China; Key Laboratory for Vegetable Biology of Hunan Province, Changsha, 410128, China
| | - Qi Wu
- College of Horticulture, Hunan Agricultural University, Changsha, 410128, China; Engineering Research Center for Horticultural Crop Germplasm Creation and New Variety Breeding, Ministry of Education, Changsha, 410128, China; Key Laboratory for Vegetable Biology of Hunan Province, Changsha, 410128, China
| | - Mantian Liang
- College of Horticulture, Hunan Agricultural University, Changsha, 410128, China; Engineering Research Center for Horticultural Crop Germplasm Creation and New Variety Breeding, Ministry of Education, Changsha, 410128, China; Key Laboratory for Vegetable Biology of Hunan Province, Changsha, 410128, China
| | - Yiming Yuan
- College of Horticulture, Hunan Agricultural University, Changsha, 410128, China; Engineering Research Center for Horticultural Crop Germplasm Creation and New Variety Breeding, Ministry of Education, Changsha, 410128, China; Key Laboratory for Vegetable Biology of Hunan Province, Changsha, 410128, China
| | - Tao Wu
- College of Horticulture, Hunan Agricultural University, Changsha, 410128, China; Engineering Research Center for Horticultural Crop Germplasm Creation and New Variety Breeding, Ministry of Education, Changsha, 410128, China; Key Laboratory for Vegetable Biology of Hunan Province, Changsha, 410128, China
| | - Mingyue Liu
- College of Horticulture, Hunan Agricultural University, Changsha, 410128, China; Engineering Research Center for Horticultural Crop Germplasm Creation and New Variety Breeding, Ministry of Education, Changsha, 410128, China; Key Laboratory for Vegetable Biology of Hunan Province, Changsha, 410128, China
| | - Qiuyun Wu
- College of Horticulture, Hunan Agricultural University, Changsha, 410128, China; Engineering Research Center for Horticultural Crop Germplasm Creation and New Variety Breeding, Ministry of Education, Changsha, 410128, China; Key Laboratory for Vegetable Biology of Hunan Province, Changsha, 410128, China.
| | - Ke Huang
- College of Horticulture, Hunan Agricultural University, Changsha, 410128, China; Engineering Research Center for Horticultural Crop Germplasm Creation and New Variety Breeding, Ministry of Education, Changsha, 410128, China; Key Laboratory for Vegetable Biology of Hunan Province, Changsha, 410128, China.
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16
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Zhao H, Xie X, Read P, Loseke B, Gamet S, Li W, Xu C. Biofortification with selenium and lithium improves nutraceutical properties of major winery grapes in the Midwestern United States. Int J Food Sci Technol 2020. [DOI: 10.1111/ijfs.14726] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Hefei Zhao
- Food Processing Center Department of Food Science and Technology University of Nebraska‐Lincoln Lincoln NE 68588 USA
| | - Xiaoqing Xie
- Food Processing Center Department of Food Science and Technology University of Nebraska‐Lincoln Lincoln NE 68588 USA
| | - Paul Read
- Viticulture Program Department of Agronomy and Horticulture University of Nebraska‐Lincoln Lincoln NE 68583 USA
| | - Benjamin Loseke
- Viticulture Program Department of Agronomy and Horticulture University of Nebraska‐Lincoln Lincoln NE 68583 USA
| | - Stephen Gamet
- Viticulture Program Department of Agronomy and Horticulture University of Nebraska‐Lincoln Lincoln NE 68583 USA
| | - Wenkuan Li
- Food Processing Center Department of Food Science and Technology University of Nebraska‐Lincoln Lincoln NE 68588 USA
| | - Changmou Xu
- Food Processing Center Department of Food Science and Technology University of Nebraska‐Lincoln Lincoln NE 68588 USA
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17
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Pannico A, El-Nakhel C, Graziani G, Kyriacou MC, Giordano M, Soteriou GA, Zarrelli A, Ritieni A, De Pascale S, Rouphael Y. Selenium Biofortification Impacts the Nutritive Value, Polyphenolic Content, and Bioactive Constitution of Variable Microgreens Genotypes. Antioxidants (Basel) 2020; 9:antiox9040272. [PMID: 32218153 PMCID: PMC7222195 DOI: 10.3390/antiox9040272] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 03/22/2020] [Accepted: 03/23/2020] [Indexed: 01/05/2023] Open
Abstract
Selenium (Se) is considered essential for human nutrition as it is involved in the metabolic pathway of selenoproteins and relevant biological functions. Microgreens, defined as tender immature greens, constitute an emerging functional food characterized by overall higher levels of phytonutrients than their mature counterparts. The nutraceutical value of microgreens can be further improved through Se biofortification, delivering Se-enriched foods and potentially an enhanced content of bioactive compounds. The current study defined the effect of sodium selenate applications at three concentrations (0, 8, and 16 μM Se) on the bioactive compounds and mineral content of coriander, green basil, purple basil, and tatsoi microgreens grown in soilless cultivation. Analytical emphasis was dedicated to the identification and quantification of polyphenols by UHPLC-Q-Orbitrap-HRMS, major carotenoids by HPLC-DAD, and macro micro-minerals by ICP-OES. Twenty-seven phenolic compounds were quantified, of which the most abundant were: Chlorogenic acid and rutin in coriander, caffeic acid hexoside and kaempferol-3-O(caffeoyl) sophoroside-7-O-glucoside in tatsoi, and cichoric acid and rosmarinic acid in both green and purple basil. In coriander and tatsoi microgreens, the application of 16 μM Se increased the total phenols content by 21% and 95%, respectively; moreover, it improved the yield by 44% and 18%, respectively. At the same Se dose, the bioactive value of coriander and tatsoi was enhanced by a significant increase in rutin (33%) and kaempferol-3-O(feruloyl)sophoroside-7-O-glucoside (157%), respectively, compared to the control. In green and purple basil microgreens, the 8 μM Se application enhanced the lutein concentration by 7% and 19%, respectively. The same application rate also increased the overall macroelements content by 35% and total polyphenols concentration by 32% but only in the green cultivar. The latter actually had a tripled chicoric acid content compared to the untreated control. All microgreen genotypes exhibited an increase in the Se content in response to the biofortification treatments, thereby satisfying the recommended daily allowance for Se (RDA-Se) from 20% to 133%. The optimal Se dose that guarantees the effectiveness of Se biofortification and improves the content of bioactive compounds was 16 μM in coriander and tatsoi, and 8 μM in green and purple basil.
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Affiliation(s)
- Antonio Pannico
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy; (A.P.); (C.E.-N.); (M.G.); (S.D.P.)
| | - Christophe El-Nakhel
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy; (A.P.); (C.E.-N.); (M.G.); (S.D.P.)
| | - Giulia Graziani
- Department of Pharmacy, University of Naples Federico II, 80131 Naples, Italy; (G.G.); (A.R.)
| | - Marios C. Kyriacou
- Department of Vegetable Crops, Agricultural Research Institute, 1516 Nicosia, Cyprus; (M.C.K.); (G.A.S.)
| | - Maria Giordano
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy; (A.P.); (C.E.-N.); (M.G.); (S.D.P.)
| | - Georgios A. Soteriou
- Department of Vegetable Crops, Agricultural Research Institute, 1516 Nicosia, Cyprus; (M.C.K.); (G.A.S.)
| | - Armando Zarrelli
- Department of Chemical Sciences, University of Naples Federico II, 800126 Naples, Italy;
| | - Alberto Ritieni
- Department of Pharmacy, University of Naples Federico II, 80131 Naples, Italy; (G.G.); (A.R.)
| | - Stefania De Pascale
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy; (A.P.); (C.E.-N.); (M.G.); (S.D.P.)
| | - Youssef Rouphael
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy; (A.P.); (C.E.-N.); (M.G.); (S.D.P.)
- Correspondence:
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18
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Schiavon M, Nardi S, dalla Vecchia F, Ertani A. Selenium biofortification in the 21 st century: status and challenges for healthy human nutrition. PLANT AND SOIL 2020; 453:245-270. [PMID: 32836404 PMCID: PMC7363690 DOI: 10.1007/s11104-020-04635-9] [Citation(s) in RCA: 87] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 07/06/2020] [Indexed: 05/04/2023]
Abstract
BACKGROUND Selenium (Se) is an essential element for mammals and its deficiency in the diet is a global problem. Plants accumulate Se and thus represent a major source of Se to consumers. Agronomic biofortification intends to enrich crops with Se in order to secure its adequate supply by people. SCOPE The goal of this review is to report the present knowledge of the distribution and processes of Se in soil and at the plant-soil interface, and of Se behaviour inside the plant in terms of biofortification. It aims to unravel the Se metabolic pathways that affect the nutritional value of edible plant products, various Se biofortification strategies in challenging environments, as well as the impact of Se-enriched food on human health. CONCLUSIONS Agronomic biofortification and breeding are prevalent strategies for battling Se deficiency. Future research addresses nanosized Se biofortification, crop enrichment with multiple micronutrients, microbial-integrated agronomic biofortification, and optimization of Se biofortification in adverse conditions. Biofortified food of superior nutritional quality may be created, enriched with healthy Se-compounds, as well as several other valuable phytochemicals. Whether such a food source might be used as nutritional intervention for recently emerged coronavirus infections is a relevant question that deserves investigation.
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Affiliation(s)
- Michela Schiavon
- Dipartimento di Agronomia, Animali, Alimenti, Risorse naturali e Ambiente (DAFNAE), Università di Padova, Viale dell’Università 16, 35020 Legnaro, PD Italy
| | - Serenella Nardi
- Dipartimento di Agronomia, Animali, Alimenti, Risorse naturali e Ambiente (DAFNAE), Università di Padova, Viale dell’Università 16, 35020 Legnaro, PD Italy
| | | | - Andrea Ertani
- Dipartimento di Scienze Agrarie, Università di Torino, Via Leonardo da Vinci, 44, 10095 Grugliasco, TO Italy
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19
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Pannico A, El-Nakhel C, Kyriacou MC, Giordano M, Stazi SR, De Pascale S, Rouphael Y. Combating Micronutrient Deficiency and Enhancing Food Functional Quality Through Selenium Fortification of Select Lettuce Genotypes Grown in a Closed Soilless System. FRONTIERS IN PLANT SCIENCE 2019; 10:1495. [PMID: 31824530 PMCID: PMC6882273 DOI: 10.3389/fpls.2019.01495] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Accepted: 10/28/2019] [Indexed: 05/07/2023]
Abstract
Selenium (Se) is an essential trace element for human nutrition and a key component of selenoproteins having fundamental biological and nutraceutical functions. We currently examined lettuce biofortification with Se in an open-gas-exchange growth chamber using closed soilless cultivation for delivering Se-rich food. Morphometric traits, minerals, phenolic acids, and carotenoids of two differently pigmented Salanova cultivars were evaluated in response to six Se concentrations (0-40 μM) delivered as sodium selenate in the nutrient solution. All treatments reduced green lettuce fresh yield slightly (9%), while a decrease in red lettuce was observed only at 32 and 40 μM Se (11 and 21% respectively). Leaf Se content increased in both cultivars, with the red accumulating 57% more Se than the green. At 16 μM Se all detected phenolic acids increased, moreover a substantial increase in anthocyanins (184%) was recorded in red Salanova. Selenium applications slightly reduced the carotenoids content of green Salanova, whereas in red Salanova treated with 32 μM Se violaxanthin + neoxanthin, lutein and β-cryptoxanthin spiked by 38.6, 27.4, and 23.1%, respectively. Lettuce constitutes an ideal target crop for selenium biofortification and closed soilless cultivation comprises an effective tool for producing Se-enriched foods of high nutraceutical value.
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Affiliation(s)
- Antonio Pannico
- Department of Agricultural Sciences, University of Naples Federico II, Portici, Italy
| | - Christophe El-Nakhel
- Department of Agricultural Sciences, University of Naples Federico II, Portici, Italy
| | - Marios C. Kyriacou
- Department of Vegetable Crops, Agricultural Research Institute, Nicosia, Cyprus
| | - Maria Giordano
- Department of Agricultural Sciences, University of Naples Federico II, Portici, Italy
| | - Silvia Rita Stazi
- Department of Chemical and Pharmaceutical Sciences (DSCF), University of Ferrara, Ferrara, Italy
| | - Stefania De Pascale
- Department of Agricultural Sciences, University of Naples Federico II, Portici, Italy
| | - Youssef Rouphael
- Department of Agricultural Sciences, University of Naples Federico II, Portici, Italy
- *Correspondence: Youssef Rouphael,
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