{"status":"OK","data":{"id":485949,"identifier":"P37WCL","persistentUrl":"https://doi.org/10.34894/P37WCL","protocol":"doi","authority":"10.34894","separator":"/","publisher":"DataverseNL","publicationDate":"2025-06-17","storageIdentifier":"surf://10.34894/P37WCL","effectiveDatasetFileCountLimit":10000,"datasetFileUploadsAvailable":9998,"datasetType":"dataset","locks":[],"latestVersion":{"id":30681,"datasetId":485949,"datasetPersistentId":"doi:10.34894/P37WCL","datasetType":"dataset","storageIdentifier":"surf://10.34894/P37WCL","versionNumber":1,"internalVersionNumber":10,"versionMinorNumber":0,"versionState":"RELEASED","latestVersionPublishingState":"RELEASED","deaccessionLink":"","productionDate":"2025-06-09","lastUpdateTime":"2025-06-17T15:04:00Z","releaseTime":"2025-06-17T15:04:00Z","createTime":"2025-06-09T14:13:39Z","publicationDate":"2025-06-17","citationDate":"2025-06-17","effectiveDatasetFileCountLimit":10000,"datasetFileUploadsAvailable":9998,"license":{"name":"CC-BY-4.0","uri":"http://creativecommons.org/licenses/by/4.0","iconUri":"https://i.creativecommons.org/l/by/4.0/88x31.png"},"fileAccessRequest":true,"metadataBlocks":{"citation":{"displayName":"Citation Metadata","name":"citation","fields":[{"typeName":"title","multiple":false,"typeClass":"primitive","value":"Image-based RGB and CIELAB colour analysis of 16 carrot varieties with pigment quantification via HPLC and spectrophotometry"},{"typeName":"author","multiple":true,"typeClass":"compound","value":[{"authorName":{"typeName":"authorName","multiple":false,"typeClass":"primitive","value":"Verme, Alma C"},"authorAffiliation":{"typeName":"authorAffiliation","multiple":false,"typeClass":"primitive","value":"maastrichtuniversity.nl"}},{"authorName":{"typeName":"authorName","multiple":false,"typeClass":"primitive","value":"Melchoir, Mark"},"authorAffiliation":{"typeName":"authorAffiliation","multiple":false,"typeClass":"primitive","value":"maastrichtuniversity.nl"}},{"authorName":{"typeName":"authorName","multiple":false,"typeClass":"primitive","value":"Padilla Díaz, Carmen"},"authorAffiliation":{"typeName":"authorAffiliation","multiple":false,"typeClass":"primitive","value":"maastrichtuniversity.nl"},"authorIdentifierScheme":{"typeName":"authorIdentifierScheme","multiple":false,"typeClass":"controlledVocabulary","value":"ORCID"},"authorIdentifier":{"typeName":"authorIdentifier","multiple":false,"typeClass":"primitive","value":"0000-0002-7220-8041"}}]},{"typeName":"datasetContact","multiple":true,"typeClass":"compound","value":[{"datasetContactName":{"typeName":"datasetContactName","multiple":false,"typeClass":"primitive","value":"Padilla-Díaz, Carmen M."},"datasetContactAffiliation":{"typeName":"datasetContactAffiliation","multiple":false,"typeClass":"primitive","value":"maastrichtuniversity.nl"}},{"datasetContactName":{"typeName":"datasetContactName","multiple":false,"typeClass":"primitive","value":"UB Dataverse support"},"datasetContactAffiliation":{"typeName":"datasetContactAffiliation","multiple":false,"typeClass":"primitive","value":"maastrichtuniversity.nl"}}]},{"typeName":"dsDescription","multiple":true,"typeClass":"compound","value":[{"dsDescriptionValue":{"typeName":"dsDescriptionValue","multiple":false,"typeClass":"primitive","value":"This dataset supports a study on the use of image-based colorimetric analysis for predicting carotenoid and anthocyanin content in carrots. The CIELAB/Ch colour space, derived from digital images, offers a non-destructive and accessible method for pigment estimation. This dataset reports the RGB and CIELAB/Ch values found in 16 carrot varieties of different genotypic colour diversity (i.e., white, yellow, orange, red, purple). Samples were photographed under six light conditions (WF -1, WF 0, WF +1, PF 0, PF +1, PF +2), with colour calibration applied prior to analysing CIELAB/Ch parameters. \nPigment content was quantified using spectrophotometry (total carotenoids and anthocyanins) and high-performance liquid chromatography (individual carotenoids)."},"dsDescriptionDate":{"typeName":"dsDescriptionDate","multiple":false,"typeClass":"primitive","value":"2025-06-09"}}]},{"typeName":"subject","multiple":true,"typeClass":"controlledVocabulary","value":["Agricultural Sciences"]},{"typeName":"keyword","multiple":true,"typeClass":"compound","value":[{"keywordValue":{"typeName":"keywordValue","multiple":false,"typeClass":"primitive","value":"antioxidants"}},{"keywordValue":{"typeName":"keywordValue","multiple":false,"typeClass":"primitive","value":"colorimetry"}},{"keywordValue":{"typeName":"keywordValue","multiple":false,"typeClass":"primitive","value":"image analysis"}},{"keywordValue":{"typeName":"keywordValue","multiple":false,"typeClass":"primitive","value":"Daucus carota L."}},{"keywordValue":{"typeName":"keywordValue","multiple":false,"typeClass":"primitive","value":"CIELAB/Ch"}},{"keywordValue":{"typeName":"keywordValue","multiple":false,"typeClass":"primitive","value":"pigment content"}}]},{"typeName":"notesText","multiple":false,"typeClass":"primitive","value":"Filter column names correspond with two image acquisition lighting set-ups, without filter (WF) and polarisation filter (PF), each with three different exposure steps (six light filters in total; WF -1, WF 0, WF +1, PF 0, PF +1, PF +2). Six carrot samples per 16 varieties assessed (n = 96). Carrot variety names appear anonymised, and coded according to their root colour (i.e., white = W, yellow = Y, orange = O, red = R, purple = P, purple/yellow = PY). \nRGB colour values were assessed via colour histogram in FIJI (ImageJ) and are reported as average R (red), G (green), and B (blue) (standard deviation  per parameter stated as Stdev). Values were then converted into CIELAB/Ch parameters (L*, a*, b*, C*, and h°).\nTotal carotenoid content (TCC) and total anthocyanin content (TAC) quantified spectrophotometrically reported in mg/100 g fresh weight (FW) per carrot, as well as individual carotenoids (lutein, lycopene, α-carotene, and ß-carotene) quantified by high-performance liquid chromatography (HPLC). Average per variety described in following columns. Moisture content per sample was also quantified."},{"typeName":"language","multiple":true,"typeClass":"controlledVocabulary","value":["English"]},{"typeName":"productionDate","multiple":false,"typeClass":"primitive","value":"2025-06-09"},{"typeName":"productionPlace","multiple":true,"typeClass":"primitive","value":["Maastricht University"]},{"typeName":"contributor","multiple":true,"typeClass":"compound","value":[{"contributorType":{"typeName":"contributorType","multiple":false,"typeClass":"controlledVocabulary","value":"Researcher"},"contributorName":{"typeName":"contributorName","multiple":false,"typeClass":"primitive","value":"Verme, Alma C"}},{"contributorType":{"typeName":"contributorType","multiple":false,"typeClass":"controlledVocabulary","value":"Researcher"},"contributorName":{"typeName":"contributorName","multiple":false,"typeClass":"primitive","value":"Melchoir, Mark"}},{"contributorType":{"typeName":"contributorType","multiple":false,"typeClass":"controlledVocabulary","value":"Project Leader"},"contributorName":{"typeName":"contributorName","multiple":false,"typeClass":"primitive","value":"Padilla-Díaz, Carmen M."}}]},{"typeName":"grantNumber","multiple":true,"typeClass":"compound","value":[{"grantNumberAgency":{"typeName":"grantNumberAgency","multiple":false,"typeClass":"primitive","value":"TKI"},"grantNumberValue":{"typeName":"grantNumberValue","multiple":false,"typeClass":"primitive","value":"LWV21.20"}}]},{"typeName":"depositor","multiple":false,"typeClass":"primitive","value":"Padilla Díaz, Carmen"},{"typeName":"dateOfDeposit","multiple":false,"typeClass":"primitive","value":"2025-06-09"},{"typeName":"dateOfCollection","multiple":true,"typeClass":"compound","value":[{"dateOfCollectionStart":{"typeName":"dateOfCollectionStart","multiple":false,"typeClass":"primitive","value":"2023-10-31"},"dateOfCollectionEnd":{"typeName":"dateOfCollectionEnd","multiple":false,"typeClass":"primitive","value":"2024-07-01"}}]},{"typeName":"kindOfData","multiple":true,"typeClass":"primitive","value":["Image colour analysis and pigment quantification (HPLC and spectrophotometry)"]},{"typeName":"series","multiple":true,"typeClass":"compound","value":[{"seriesName":{"typeName":"seriesName","multiple":false,"typeClass":"primitive","value":"Pigment analysis optimisation"},"seriesInformation":{"typeName":"seriesInformation","multiple":false,"typeClass":"primitive","value":"This data is a part of research modelling the pigment-colour relationships between image analysis data and wet-lab pigment quantification of 16 carrots varieties of different colours.\nAssociated to this research are a literature review (with its protocol) and an anthocyanin spectrophotometric determination protocol."}}]},{"typeName":"software","multiple":true,"typeClass":"compound","value":[{"softwareName":{"typeName":"softwareName","multiple":false,"typeClass":"primitive","value":"FIJI (ImageJ)"},"softwareVersion":{"typeName":"softwareVersion","multiple":false,"typeClass":"primitive","value":"2.14.0/1.54f"}}]},{"typeName":"accessToSources","multiple":false,"typeClass":"primitive","value":"Data will be provided under request."}]},"dansDataVaultMetadata":{"displayName":"Data Vault Metadata","name":"dansDataVaultMetadata","fields":[{"typeName":"dansDataversePid","multiple":false,"typeClass":"primitive","value":"doi:10.34894/P37WCL"},{"typeName":"dansDataversePidVersion","multiple":false,"typeClass":"primitive","value":"1.0"},{"typeName":"dansBagId","multiple":false,"typeClass":"primitive","value":"urn:uuid:740cf144-dc21-4b6b-87bc-3e0e579183b3"},{"typeName":"dansNbn","multiple":false,"typeClass":"primitive","value":"urn:nbn:nl:ui:13-b0c0fe06-2463-4b7c-8de3-974165fa6ffb"}]}},"files":[{"label":"Colorimetry and pigment content data.csv","restricted":true,"version":1,"datasetVersionId":30681,"dataFile":{"id":485951,"persistentId":"","filename":"Colorimetry and pigment content data.csv","contentType":"text/csv","friendlyType":"Comma Separated Values","filesize":83575,"storageIdentifier":"surf://store:19755091a67-e76b7c2998fb","rootDataFileId":-1,"checksum":{"type":"SHA-1","value":"424271fb80b22248b358e4e997d5052dd5f203c2"},"tabularData":false,"creationDate":"2025-06-09","publicationDate":"2025-06-17","lastUpdateTime":"2025-06-17T15:04:00Z","fileAccessRequest":true}},{"label":"Colorimetry and pigment content data.xlsx","restricted":true,"version":1,"datasetVersionId":30681,"dataFile":{"id":485950,"persistentId":"","filename":"Colorimetry and pigment content data.xlsx","contentType":"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet","friendlyType":"MS Excel Spreadsheet","filesize":108417,"storageIdentifier":"surf://store:197550926ec-f11223fb1684","rootDataFileId":-1,"checksum":{"type":"SHA-1","value":"451a59ec1f5ddd0b011d42eb6edcdb1d03c772fc"},"tabularData":false,"creationDate":"2025-06-09","publicationDate":"2025-06-17","lastUpdateTime":"2025-06-17T15:04:00Z","fileAccessRequest":true}}]}}}