{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,6]],"date-time":"2026-09-06T05:03:20Z","timestamp":1788671000820,"version":"build-2803163510"},"reference-count":30,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2021,7,2]],"date-time":"2021-07-02T00:00:00Z","timestamp":1625184000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100007086","name":"Sel\u00e7uk \u00dcniversitesi","doi-asserted-by":"publisher","award":["BAP\u201018201101"],"award-info":[{"award-number":["BAP\u201018201101"]}],"id":[{"id":"10.13039\/501100007086","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["scijournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Sci Food Agric"],"published-print":{"date-parts":[[2022,1,30]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>BACKGROUND<\/jats:title>\n                    <jats:p>\n                      Use of slow\u2010release fertilizers derived from biological sources is important in sustainable agricultural development. Struvite\u2010K (KMgPO\n                      <jats:sub>4<\/jats:sub>\n                      \u00b76H\n                      <jats:sub>2<\/jats:sub>\n                      O) is magnesium potassium phosphate mineral that has high potential for use as fertilizer in agriculture. Struvite\u2010K is particularly suitable for slow\u2010release fertilizer systems since struvite\u2010K crystals are sparingly soluble in water. Seeds of pumpkin\n                      <jats:italic>Cucurbita pepo<\/jats:italic>\n                      L. are recovered and consumed as food, but the remaining pulp has no economic value.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS<\/jats:title>\n                    <jats:p>\n                      The present study evaluated the feasibility of struvite\u2010K crystals recovery from pyrolysis products of pumpkin wastes. In the study\n                      <jats:italic>C. pepo<\/jats:italic>\n                      pulp was decomposed at high temperatures and potassium was extracted from the residue and then crystalized from the solution by addition of NaH\n                      <jats:sub>2<\/jats:sub>\n                      PO\n                      <jats:sub>4<\/jats:sub>\n                      \u00b72H\n                      <jats:sub>2<\/jats:sub>\n                      O and MgCl\n                      <jats:sub>2<\/jats:sub>\n                      \u00b76H\n                      <jats:sub>2<\/jats:sub>\n                      O salts. Struvite\u2010K was characterized by Fourier\u2010transform infrared (FTIR) spectroscopy, scanning electron microscopy\u2010energy\u2010dispersive X\u2010ray (SEM\u2010EDX) spectroscopy and X\u2010ray diffraction (XRD) analysis.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>CONCLUSIONS<\/jats:title>\n                    <jats:p>The study revealed pumpkin wastes can be evaluated as source of potassium and 80% of potassium could be recovered as struvite\u2010K crystals, which have a potential use as a slow\u2010release mineral fertilizer for sustainable agriculture operations. \u00a9 2021 Society of Chemical Industry.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/jsfa.11380","type":"journal-article","created":{"date-parts":[[2021,6,18]],"date-time":"2021-06-18T11:24:36Z","timestamp":1624015476000},"page":"523-530","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Crystallization of struvite\u2010\n                    <scp>K<\/scp>\n                    from pumpkin wastes"],"prefix":"10.1002","volume":"102","author":[{"given":"Sema","family":"Atalay","sequence":"first","affiliation":[{"name":"Department of Chemistry, Faculty of Science Sel\u00e7uk University  Konya Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Idris","family":"Sargin","sequence":"additional","affiliation":[{"name":"Department of Biochemistry, Faculty of Science Sel\u00e7uk University  Konya Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4836-8651","authenticated-orcid":false,"given":"Gulsin","family":"Arslan","sequence":"additional","affiliation":[{"name":"Department of Biochemistry, Faculty of Science Sel\u00e7uk University  Konya Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,7,2]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1021\/jf063413d"},{"key":"e_1_2_7_3_1","first-page":"1450","article-title":"Investigation on the possibility of ensiling cucurbit (Cucurbita pepo) residues and determination of best silage formula","volume":"6","author":"Hashemi A","year":"2007","journal-title":"J Anim Vet Adv"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.2478\/v10026-007-0096-6"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.3144\/expresspolymlett.2010.64"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.biombioe.2009.08.010"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejsobi.2009.02.005"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.foodchem.2016.08.068"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.2134\/jeq2017.07.0282"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/ele.12658"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41598-018-32787-3"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0171214"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1089\/ees.2017.0340"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1080\/10643380701640573"},{"key":"e_1_2_7_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.arabjc.2013.10.007"},{"key":"e_1_2_7_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.desal.2011.04.056"},{"key":"e_1_2_7_17_1","doi-asserted-by":"publisher","DOI":"10.1021\/ac00209a024"},{"key":"e_1_2_7_18_1","unstructured":"Food I Feed products \u2013 General guidelines for the determination of nitrogen by the Kjeldahl method. 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