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Navajas-Porras B, Cervera-Mata A, Fernández-Arteaga A, Delgado-Osorio A, Navarro-Moreno M, Hinojosa-Nogueira D, Pastoriza S, Delgado G, Navarro-Alarcón M, Rufián-Henares JÁ. Biochelates from Spent Coffee Grounds Increases Iron Levels in Dutch Cucumbers but Affects Their Antioxidant Capacity. Antioxidants (Basel) 2024; 13:465. [PMID: 38671913 PMCID: PMC11047731 DOI: 10.3390/antiox13040465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Revised: 04/11/2024] [Accepted: 04/12/2024] [Indexed: 04/28/2024] Open
Abstract
Spent coffee grounds (SCG) are a type of food waste and are produced in abundance around the world. However, their utilization as a soil organic amendment is challenging due to their phytotoxic effect. In the present work, the impact of agronomic biofortification on Dutch cucumbers was investigated using different chemically modified SCG and analyzing their effects on iron contents, their capacity for releasing antioxidants, and the production of short-chain fatty acids after in vitro digestion-fermentation. The results indicated variations in the iron contents and chemical compositions of cucumbers according to the treatment groups. Functionalized and activated hydrochar from SCG increased Fe levels in cucumbers. Although activated hydrochar obtained at 160 °C and functionalized with Fe showed the highest iron supply per serving, differences in antioxidant capacity and short-chain fatty acid production were observed between the groups. It is concluded that growing conditions and the presence of iron may significantly influence the contribution of these cucumbers to the dietary intake of nutrients and antioxidants, which could have important implications for human health and nutrition.
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Affiliation(s)
- Beatriz Navajas-Porras
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, 18071 Granada, Spain; (B.N.-P.); (A.D.-O.); (M.N.-M.); (D.H.-N.); (S.P.); (M.N.-A.)
| | - Ana Cervera-Mata
- Department of Soil Science and Agricultural Chemistry, Faculty of Pharmacy, University of Granada, 18071 Granada, Spain; (A.C.-M.); (G.D.)
| | | | - Adriana Delgado-Osorio
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, 18071 Granada, Spain; (B.N.-P.); (A.D.-O.); (M.N.-M.); (D.H.-N.); (S.P.); (M.N.-A.)
| | - Miguel Navarro-Moreno
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, 18071 Granada, Spain; (B.N.-P.); (A.D.-O.); (M.N.-M.); (D.H.-N.); (S.P.); (M.N.-A.)
| | - Daniel Hinojosa-Nogueira
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, 18071 Granada, Spain; (B.N.-P.); (A.D.-O.); (M.N.-M.); (D.H.-N.); (S.P.); (M.N.-A.)
| | - Silvia Pastoriza
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, 18071 Granada, Spain; (B.N.-P.); (A.D.-O.); (M.N.-M.); (D.H.-N.); (S.P.); (M.N.-A.)
| | - Gabriel Delgado
- Department of Soil Science and Agricultural Chemistry, Faculty of Pharmacy, University of Granada, 18071 Granada, Spain; (A.C.-M.); (G.D.)
| | - Miguel Navarro-Alarcón
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, 18071 Granada, Spain; (B.N.-P.); (A.D.-O.); (M.N.-M.); (D.H.-N.); (S.P.); (M.N.-A.)
| | - José Ángel Rufián-Henares
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, 18071 Granada, Spain; (B.N.-P.); (A.D.-O.); (M.N.-M.); (D.H.-N.); (S.P.); (M.N.-A.)
- Instituto de Investigación Biosanitaria Ibs.Granada, Universidad de Granada, 18012 Granada, Spain
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Navajas-Porras B, Cervera-Mata A, Fernández-Arteaga A, Delgado-Osorio A, Navarro-Moreno M, Hinojosa-Nogueira D, Pastoriza S, Delgado G, Navarro-Alarcón M, Rufián-Henares JÁ. Zn Biofortification of Dutch Cucumbers with Chemically Modified Spent Coffee Grounds: Zn Enrichment and Nutritional Implications. Foods 2024; 13:1146. [PMID: 38672819 PMCID: PMC11049187 DOI: 10.3390/foods13081146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Revised: 04/05/2024] [Accepted: 04/08/2024] [Indexed: 04/28/2024] Open
Abstract
Spent coffee grounds (SCGs) are a food waste with a large generation around the world. However, their utilization as a soil organic amendment is difficult due to their phytotoxic effect. In the present work, the impact of agronomic biofortification on Dutch cucumbers was studied by using different chemically modified SCGs, analyzing their effects on Zn content, the release of antioxidant capacity and the production of short-chain fatty acids after in vitro digestion-fermentation. The results indicated variations in the Zn content and chemical composition of cucumbers according to the treatment groups. The functionalized with Zn and activated SCGs were able to increase Zn levels in cucumbers. Meanwhile, the activated hydrochar obtained at 160 °C and the activated and functionalized with Zn SCGs showed the highest Zn supply per serving. Differences in the antioxidant capacity and short-chain fatty acid production were observed between the groups. It is concluded that the growing conditions and the presence of Zn may significantly influence the contribution of these cucumbers to the dietary intake of nutrients and antioxidants, which could have important implications for human health and nutrition.
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Affiliation(s)
- Beatriz Navajas-Porras
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, 18011 Granada, Spain; (B.N.-P.); (A.D.-O.); (M.N.-M.); (D.H.-N.); (S.P.); (M.N.-A.)
| | - Ana Cervera-Mata
- Department of Soil Science and Agricultural Chemistry, Faculty of Pharmacy, University of Granada, 18011 Granada, Spain; (A.C.-M.); (G.D.)
| | | | - Adriana Delgado-Osorio
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, 18011 Granada, Spain; (B.N.-P.); (A.D.-O.); (M.N.-M.); (D.H.-N.); (S.P.); (M.N.-A.)
| | - Miguel Navarro-Moreno
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, 18011 Granada, Spain; (B.N.-P.); (A.D.-O.); (M.N.-M.); (D.H.-N.); (S.P.); (M.N.-A.)
| | - Daniel Hinojosa-Nogueira
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, 18011 Granada, Spain; (B.N.-P.); (A.D.-O.); (M.N.-M.); (D.H.-N.); (S.P.); (M.N.-A.)
| | - Silvia Pastoriza
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, 18011 Granada, Spain; (B.N.-P.); (A.D.-O.); (M.N.-M.); (D.H.-N.); (S.P.); (M.N.-A.)
| | - Gabriel Delgado
- Department of Soil Science and Agricultural Chemistry, Faculty of Pharmacy, University of Granada, 18011 Granada, Spain; (A.C.-M.); (G.D.)
| | - Miguel Navarro-Alarcón
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, 18011 Granada, Spain; (B.N.-P.); (A.D.-O.); (M.N.-M.); (D.H.-N.); (S.P.); (M.N.-A.)
| | - José Ángel Rufián-Henares
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, 18011 Granada, Spain; (B.N.-P.); (A.D.-O.); (M.N.-M.); (D.H.-N.); (S.P.); (M.N.-A.)
- Instituto de Investigación Biosanitaria Ibs.Granada, Universidad de Granada, 18014 Granada, Spain
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Cervera-Mata A, Delgado G, Fernández-Arteaga A, Fornasier F, Mondini C. Spent coffee grounds by-products and their influence on soil C-N dynamics. J Environ Manage 2022; 302:114075. [PMID: 34800772 DOI: 10.1016/j.jenvman.2021.114075] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 10/04/2021] [Accepted: 11/06/2021] [Indexed: 06/13/2023]
Abstract
SCG are a bio-waste generated in great amount worldwide which are attractive as soil amendment for their high content of organic matter and nutritive elements. Nevertheless, several studies have shown that soil application of untreated SCG has detrimental agronomic and environmental effects due to their high degradability and content of noxious compounds (phenols, caffeine, and tannins). However, SCG can be valorised, in the frame of circular economy, by extraction of energy and valuable products (carbohydrates, proteins, bio-oil, bio-diesel) and generation of solid by products (biochar, hydrochar, compost) that can be utilized as soil fertilizers and amendments. Therefore, the aim of this work was the characterization of different solid SCG by-products (as second-generation products) and their assessment as effective organic amendments. The novelty of this study is that for the first time 8 different by-products derived from the same SCG were characterized and comparatively evaluated for their impact on the C and N cycles of soil. SCG was collected and treated to generate 8 different SCG by-products (biochars produced at 270 and 400 °C, hydrochars produced at 160 and 200 °C, vermicompost, defatted SCG and biochars produced from defatted SCG at 270 and 400 °C). SCG and derived by-products were characterized for SEM micromorphology, pH and EC values, and C, N, H, O, volatile matter, fixed C, LOI, carbonates, water soluble C and N, NO3- and NH4+ content. SCG and SCG by-products assessment as organic amendments was performed with an incubation experiment. The residues were added (2.5%) to a moist Mediterranean agricultural soil and the amended soil samples were placed in mesocosms and incubated at 20 °C for 30 days. During incubation, CO2 and N2O emissions were measured every 6 h by means of a gas chromatography automated system for GHG sampling and measurement. The percentage of added C remaining (CR) in the soil was calculated by fitting the cumulative respiration of amended soil to a two-pool model. After 2, 7 and 30 days of incubation, the control and amended soils were sampled and analyzed for their content of extractable organic C, N, NO3- and NH4+ and microbial biomass C and N. Results showed that SCG by-products presented a great variability in their properties. SCG and hydrochars presented higher contents in volatile matter and water soluble C and N, and low content of fixed C, while biochars showed an opposite behaviour. SEM images confirmed the different characteristics of the SCG by-products: the biochar presented a porous structure, honeycomb-like form, due to the loss of the more soluble compounds, while the SCG and hydrochars' pores were filled with amorphous carbonaceous materials. Consequently, soil addition of SCG by-products showed a distinct impact on C and N cycle and microbial biomass content. Addition of SCG and hydrochars generated the highest cumulative CO2-C emissions (2103-2300 μg g-1), the lower amount of CR (86.8-88.6%), increased the soil extractable organic C and microbial biomass C and N and caused N immobilization. On the other hand, the addition of biochars generated lower CO2-C emissions (542-1060 μg g-1), higher amounts of CR (96. 3-99.9%) and lower amounts of extractable compounds and microbial biomass C and N, generating also N immobilization, but to a lesser extent. The addition of vermicompost generated 723 μg g-1 of CO2-C and 98% of CR remaining. However, this by-product did not generate N immobilization being able to act as N fertilizer. None of the residues generated N2O emissions. The different properties of the SCG by-products and their impact on C and N cycle indicated that they can be effectively applied to soil to exert different agronomical and environmental functions.
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Affiliation(s)
- Ana Cervera-Mata
- Departamento de Edafología y Química Agrícola. Facultad de Farmacia. Universidad de Granada, Granada, Spain; Instituto de Nutrición y Tecnología de los Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain.
| | - Gabriel Delgado
- Departamento de Edafología y Química Agrícola. Facultad de Farmacia. Universidad de Granada, Granada, Spain
| | | | - Flavio Fornasier
- CREA Centro di ricerca Viticoltura ed Enologia, sede di Gorizia, Gorizia, Italy
| | - Claudio Mondini
- CREA Centro di ricerca Viticoltura ed Enologia, sede di Gorizia, Gorizia, Italy
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Cervera-Mata A, Lara L, Fernández-Arteaga A, Ángel Rufián-Henares J, Delgado G. Washed hydrochar from spent coffee grounds: A second generation of coffee residues. Evaluation as organic amendment. Waste Manag 2021; 120:322-329. [PMID: 33340815 DOI: 10.1016/j.wasman.2020.11.041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 10/19/2020] [Accepted: 11/24/2020] [Indexed: 06/12/2023]
Abstract
Spent coffee grounds (SCG) hydrochar is a second-generation solid waste obtained by hydrothermal carbonization (HTC). Two washed hydrochars from SCG (175 and 185 °C; 12 MPa of N2) were tested as organic amendments of an agricultural soil (Cambic Calcisol), at doses of 1 and 2.5%, in an in vitro assay using Lactuca sativa as a crop plant. The washed hydrochars differ from the SCG in organic carbon (OC) (56 vs 47%), C/N ratio (29 vs 24), polyphenols (186 vs 77 mg GAE/g), pH (4.1 vs 5.8), assimilable P (186 vs 1274 ppm) and K (32 vs 2475 ppm). The particles of washed hydrochars have a lower size and a more porous structure than SCG particles. Higher HTC temperatures generate greater differences with SCG. The effects on the soil of washed hydrochars are similar to SCG, regarding OC, total N, C/N ratio, available K and P contents. The influence of SCG and washed hydrochars on lettuces is also similar: both give rise to plant growth inhibition and increase in the contents of Ca, Mg, Cu, Fe and Mn. Nevertheless, washed hydrochars seem to be more effective in the mobilization of elements in the soil than SCG, which could be attributed to their higher content of polyphenols. For example: Ca (139 mg/100 g with SCG and 160 mg/100 g with hydrochar) and Fe (0.742 mg/100 g with SCG and 1.45 mg/100 g with hydrochar). Therefore, it can be concluded that SCG hydrochars could be used as organic amendments with similar limitations and advantages to SCG.
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Affiliation(s)
- Ana Cervera-Mata
- Departamento de Edafología y Química Agrícola, Universidad de Granada, Granada, Spain
| | - Leslie Lara
- Departamento de Ingeniería Química, Universidad de Granada, Granada, Spain
| | | | - Jose Ángel Rufián-Henares
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de los Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain; Instituto de Investigación Biosanitaria ibs.GRANADA, Universidad de Granada, Spain.
| | - Gabriel Delgado
- Departamento de Edafología y Química Agrícola, Universidad de Granada, Granada, Spain
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Cervera-Mata A, Navarro-Alarcón M, Rufián-Henares JÁ, Pastoriza S, Montilla-Gómez J, Delgado G. Phytotoxicity and chelating capacity of spent coffee grounds: Two contrasting faces in its use as soil organic amendment. Sci Total Environ 2020; 717:137247. [PMID: 32092806 DOI: 10.1016/j.scitotenv.2020.137247] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Revised: 02/08/2020] [Accepted: 02/09/2020] [Indexed: 06/10/2023]
Abstract
Spent coffee grounds (SCG) are a bioresidue generated in large amounts worldwide, which could be employed as either fresh or transformed organic soil amendment, by means of different treatments in order to improve its agronomic qualities. An in vitro experiment was conducted in order to evaluate the effect of using different bioamendments derived from spent coffee grounds (SCG) on biomass and Zn, Cu and Fe content of lettuces. Application of 7.5% (w/w) fresh SCG, vermicompost, compost, biochars (at 270 and 400 °C; pyrolysis), SCG washed with ethanol and water, and hydrolysed SCG was carried out in an agricultural soil (Cambic Calcisol). In order to compare with conventional agriculture, the addition of NPK fertilizer was also assessed. Only vermicompost and biochar at 400 °C overcome the growth limitation of SCG. However, these treatments diminished Zn, Cu and Fe concentrations in lettuce probably due to the destruction (microbial degradation/thermal treatment) of natural chelating components (polyphenols). Increase in mineral content was observed in those treatments that did not completely eliminate polyphenols. NPK fertilizer gave rise to lettuces with higher biomass but lower micronutrients content. The results lead us to the possible solution for the use of SCG as organic amendment by vermicomposting and biocharization in order to eliminate toxicity.
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Affiliation(s)
- Ana Cervera-Mata
- Departmento de Edafología y Química Agrícola, Universidad de Granada, Granada, Spain
| | - Miguel Navarro-Alarcón
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de los Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain.
| | - José Ángel Rufián-Henares
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de los Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain; Instituto de Investigación Biosanitaria ibs.GRANADA, Universidad de Granada, Spain
| | - Silvia Pastoriza
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de los Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - Javier Montilla-Gómez
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de los Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - Gabriel Delgado
- Departmento de Edafología y Química Agrícola, Universidad de Granada, Granada, Spain
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Zurita-Ortega A, Cervera-Mata A, Delgado G, Zurita-Ortega F, Rufián-Henares JÁ, Pastoriza S. Mineral profile of weight loss related foods marketed in Spain. Food Chem 2020; 313:126156. [PMID: 31931426 DOI: 10.1016/j.foodchem.2019.126156] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 12/26/2019] [Accepted: 12/31/2019] [Indexed: 01/04/2023]
Abstract
Low calorie foods are products designed to replace complete meals or to control snacking in many hypocaloric diets. These products provide many nutrients to the human diet, but little is known about their mineral elements composition. Here we study the mineral profile of weight loss related products, including the analysis of 22 elements (As, Ba, Be, Bi, Cd, Co, Cr, Cu, K, Mn, Mo, Na, Ni, P, Pb, Th, Tl, Sb, U, V, Y and Zn) in 73 commercial products marketed in Spain. In general a portion of these products provide up to 20-30% of the daily dietary reference intake of essential trace minerals like Cr or Mo. On the contrary, some of these foods have large concentrations of toxic minerals like As, Cd or Pb. In fact, the intake of those products with higher concentrations of toxic elements during a weight loss program could pose a risk to human health.
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Affiliation(s)
- Ana Zurita-Ortega
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de los Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - Ana Cervera-Mata
- Departamento de Química Agrícola, Universidad de Granada, Granada, Spain
| | - Gabriel Delgado
- Departamento de Química Agrícola, Universidad de Granada, Granada, Spain
| | - Félix Zurita-Ortega
- Facultad de Ciencias de la Educación, Universidad de Granada, Granada, Spain
| | - José Ángel Rufián-Henares
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de los Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain; Instituto de Investigación Biosanitaria ibs.GRANADA, Universidad de Granada, Spain.
| | - Silvia Pastoriza
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de los Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
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Cervera-Mata A, Navarro-Alarcón M, Delgado G, Pastoriza S, Montilla-Gómez J, Llopis J, Sánchez-González C, Rufián-Henares JÁ. Spent coffee grounds improve the nutritional value in elements of lettuce (Lactuca sativa L.) and are an ecological alternative to inorganic fertilizers. Food Chem 2019; 282:1-8. [PMID: 30711092 DOI: 10.1016/j.foodchem.2018.12.101] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 11/14/2018] [Accepted: 12/22/2018] [Indexed: 01/10/2023]
Abstract
The element concentration in lettuces grouped in 5 categories (baby variety, cultivated in agricultural soils with low or high percentages of spent coffee grounds-SCG, without SCG and with NPK) were measured. Lettuces cultivated in agricultural soils amended with SCG had significantly higher levels of several essential (V, Fe, Co, V, and probably Mn and Zn) and toxic elements (Al and probably As), without reaching their toxicological limits. Additionally, blocking of N uptake and therefore plant biomass, and probably Cd absorption from agricultural soil was observed. Organic farming with SCG ameliorates element concentrations in lettuces vs. NPK fertilization. The linear correlations among element uptake and the amendment of SCG could be related with their chelation by some SCG components, such as melanoidins and with the decrease in the soil pH. In conclusion, the addition of SCG produces lettuces with higher element content.
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Affiliation(s)
- Ana Cervera-Mata
- Departmento de Edafología y Química Agrícola, Universidad de Granada, Granada, Spain
| | - Miguel Navarro-Alarcón
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de los Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain.
| | - Gabriel Delgado
- Departmento de Edafología y Química Agrícola, Universidad de Granada, Granada, Spain
| | - Silvia Pastoriza
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de los Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - Javier Montilla-Gómez
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de los Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - Juan Llopis
- Departmento de Fisiología, Instituto de Nutrición y Tecnología de los Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - Cristina Sánchez-González
- Departmento de Fisiología, Instituto de Nutrición y Tecnología de los Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - José Ángel Rufián-Henares
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de los Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain; Instituto de Investigación Biosanitaria ibs.GRANADA, Universidad de Granada, Spain
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