{"id":42406,"date":"2019-09-24T04:00:00","date_gmt":"2019-09-24T04:00:00","guid":{"rendered":"https:\/\/discover.restek.com\/uncategorized\/did-you-know-quechers-was-made-to-be-modified\/"},"modified":"2026-01-28T16:54:06","modified_gmt":"2026-01-28T16:54:06","slug":"did-you-know-quechers-was-made-to-be-modified","status":"publish","type":"post","link":"https:\/\/discover.restek.com\/zh-hans\/videos-zh\/ffav3581\/did-you-know-quechers-was-made-to-be-modified","title":{"rendered":"Did You Know QuEChERS Was Made to be Modified?"},"content":{"rendered":"\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Did You Know QuEChERS Was Made to be Modified?\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/mhoRGzUNV8c?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Description<\/h2>\n\n\n\n<p>The QuEChERS sample extraction and cleanup approach has been successfully applied to a wide variety of&nbsp;analytes and&nbsp;sample matrices that extend far beyond the pesticides in&nbsp;high water content fruits and vegetables that were first used to demonstrate the technique.&nbsp;Looking for pharmaceuticals in fish or carcinogens in dried tea? These are just a few examples of how, with a few modifications, the QuEChERS approach can be adapted to meet your analytical challenges.&nbsp;Remember, QuEChERS isn\u2019t any one specific method, it\u2019s&nbsp;an&nbsp;<em>approach<\/em>, and it\u2019s relatively quick and easy to see if it\u2019s the right approach for you.&nbsp;And,&nbsp;if you have any questions, please feel free to contact us.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Additional Resources<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.restek.com\/articles\/quechers-made-even-easier\/\" target=\"_blank\" rel=\"noopener\">QuEChERS Made Even Easier<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.restek.com\/c\/1134\" target=\"_blank\" rel=\"noopener\">Looking for a particular QuEChERS product or want to see what options are available?<\/a><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Restek Recommended Tools &amp; Parts<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.restek.com\/c\/1344\" target=\"_blank\" rel=\"noopener\">Q-sep QuEChERS Extraction Salts<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.restek.com\/c\/1343\" target=\"_blank\" rel=\"noopener\">Q-Sep QuEChERS dSPE Tubes<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Transcript<\/h2>\n\n\n\n<p>If\u202fyou\u2019re\u202ffamiliar with the analysis of pesticides in food,\u202fyou\u2019re\u202fprobably also familiar with \u201cQuEChERS,\u201d the sample preparation\u202fapproach that lives up to its unique name.And,&nbsp;with official methods published by a variety of organizations,\u202fit would\u202fbe easy to see\u202fQuEChERS\u202fas a prescriptive procedure\u2026a set\u202fof fixed steps, already outlined, just waiting to be followed.&nbsp;But\u2026is it really?\u200b<\/p>\n\n\n\n<p>Well, it might be, if your matrices and\u202fanalytes\u202ffall within the scope of an already validated method, but if they\u202fdon\u2019t,\u202fit\u2019s\u202fimportant to\u202fknow that\u202fQuEChERS\u202fwas conceived of as an approach to sample extraction and cleanup, not a fixed set of steps that everyone should\u202ffollow.<\/p>\n\n\n\n<p>QuEChERS\u202fwas originally demonstrated with high water&nbsp;content fruits and vegetables, but in the years since its introduction, people\u202fhave found ways to make it work for everything from analyzing pharmaceuticals in fresh fish to monitoring mycotoxins in beer to\u202flooking for pesticides in dried botanicals.&nbsp;QuEChERS\u202fwas<em>\u202fmade<\/em>\u202fto be modified.<\/p>\n\n\n\n<p>For example, when we were evaluating pesticide screening procedures for oranges in our lab, it was easy to quickly test different\u202fcommercially available cleanup options and discover a clear winner when it came to pesticide recoveries.&nbsp;And since\u202fQuEChERS\u202fis so\u202fadaptable, we even tried analyzing the peel separate from the pulp to further improve recoveries, and it worked!<\/p>\n\n\n\n<p>And people have continued to adapt the\u202fQuEChERS\u202fapproach beyond high water content commodities.\u200b&nbsp;How about dried samples, like potato chips?&nbsp;Since water\u202f<em>is\u202f<\/em>very important for the\u202fanalyte\u202fpartitioning processes, we just need to add\u202fwater because the sample\u202fdoesn\u2019t\u202fhave enough on its own.&nbsp;And when people started applying\u202fQuEChERS\u202fto fatty matrices, new cleanup materials were explored, and people tried techniques like\u202fusing hexane to remove fat from the sample.\u200b<\/p>\n\n\n\n<p>Looking for carcinogenic PAHs in dried tea?&nbsp;Well, in that case, even the choice of extraction solvent can be changed to improve PAH\u202frecoveries.&nbsp;All of\u202fthese examples serve to illustrate that\u202fQuEChERS\u202fis quick, easy, and cheap enough to allow you to be flexible and try out different\u202foptions to see which one works best for your application.<\/p>\n\n\n\n<p>See?&nbsp;QuEChERS\u202fwas made to be modified.&nbsp;So, get out there and join the wide community of scientists making\u202fQuEChERS\u202ftheir own by\u202fmodifying it to suit their needs.&nbsp;And if you have any questions along the way,\u202fwe\u2019re\u202fhere to help.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>The QuEChERS approach is great for the analysis of pesticides in fruits and vegetables, but it can be used for so much more.  It might need to be adapted for some matrices, so it\u2019s a good thing QuEChERS was made to be modified!<\/p>\n","protected":false},"author":11,"featured_media":40956,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[775],"tags":[],"industries-application":[2167],"post-badge":[],"resource-type":[],"product-library":[2400,2375],"resource-technique":[2303],"ppma_author":[414],"class_list":["post-42406","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-videos-zh","industries-application-food-beverage","product-library-quechers-products","product-library-sample-preparation-products","resource-technique-quechers"],"acf":[],"taxonomy_info":{"category":[{"value":775,"label":"\u89c6\u9891"}],"industries-application":[{"value":2167,"label":"Food &amp; Beverage"}],"product-library":[{"value":2400,"label":"QuEChERS Products"},{"value":2375,"label":"Sample Preparation Products"}],"resource-technique":[{"value":2303,"label":"QuEChERS"}]},"featured_image_src_large":["https:\/\/discover.restek.com\/wp-content\/uploads\/feature-FFAV3581-1024x536.jpg",1024,536,true],"author_info":{"display_name":"Restek Corporation","author_link":"https:\/\/discover.restek.com\/zh-hans\/author\/restek-corporation\/"},"comment_info":0,"category_info":[{"term_id":775,"name":"\u89c6\u9891","slug":"videos-zh","term_group":0,"term_taxonomy_id":775,"taxonomy":"category","description":"","parent":0,"count":136,"filter":"raw","cat_ID":775,"category_count":136,"category_description":"","cat_name":"\u89c6\u9891","category_nicename":"videos-zh","category_parent":0}],"tag_info":false,"authors":[{"term_id":414,"user_id":11,"is_guest":0,"slug":"restek-corporation","display_name":"Restek Corporation","avatar_url":{"url":"https:\/\/discover.restek.com\/wp-content\/uploads\/Restek_Favicon_300x300.jpg","url2x":"https:\/\/discover.restek.com\/wp-content\/uploads\/Restek_Favicon_300x300.jpg"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""}],"_links":{"self":[{"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/posts\/42406","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/comments?post=42406"}],"version-history":[{"count":5,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/posts\/42406\/revisions"}],"predecessor-version":[{"id":85568,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/posts\/42406\/revisions\/85568"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/media\/40956"}],"wp:attachment":[{"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/media?parent=42406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/categories?post=42406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/tags?post=42406"},{"taxonomy":"industries-application","embeddable":true,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/industries-application?post=42406"},{"taxonomy":"post-badge","embeddable":true,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/post-badge?post=42406"},{"taxonomy":"resource-type","embeddable":true,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/resource-type?post=42406"},{"taxonomy":"product-library","embeddable":true,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/product-library?post=42406"},{"taxonomy":"resource-technique","embeddable":true,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/resource-technique?post=42406"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/ppma_author?post=42406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}