{"id":1899,"date":"2024-11-06T11:32:02","date_gmt":"2024-11-06T03:32:02","guid":{"rendered":"https:\/\/naturalsweeteners.net\/?p=1899"},"modified":"2024-11-06T11:32:03","modified_gmt":"2024-11-06T03:32:03","slug":"main-specifications-and-production-status-of-stevia-leaf-extract","status":"publish","type":"post","link":"https:\/\/naturalsweeteners.net\/?p=1899","title":{"rendered":"Main Specifications and Production Status of Stevia Leaf Extract"},"content":{"rendered":"Main specifications<br \/><br \/>General total glycoside stevioside: no content requirement for specific monoglycosides (RA, etc.), SG 75%~98%HPLC<br \/><br \/>RA: 40%~99%HPLC<br \/><br \/>STV: stevioside, STV 80%-95%<br \/><br \/>Enzyme modified stevioside (glucosyl stevioside): a taste-improved stevioside product produced by bio-enzyme fermentation technology, which removes the bitterness contained in stevioside extract itself and improves the solubility of the product, 80%~95%<br \/><br \/>Production situation<br \/><br \/>The main production areas are concentrated in China, Japan, South America (Paraguay, Brazil), etc., and no company in Europe has produced stevioside so far.<br \/><br \/>The basic steps for producing stevioside are similar, and the process differences among manufacturers mainly lie in the later separation and purification steps. The general production process is as follows:<br \/><br \/>Soak the dried stevia leaves in warm or hot water, extract with ethanol 3~5 times, or use a countercurrent system to extract stevioside \u2192 remove suspended particles in the extract by flocculation and precipitation \u2192 filter \u2192 vacuum concentration \u2192 resin adsorption (or ethanol elution) \u2192 ion exchange purification \u2192 filter again and concentrate the filtrate \u2192 spray drying or crystallization purification, ethanol can be used as a crystallization solvent during the crystallization process<br \/><br \/>Domestic raw material production areas: Gansu, Inner Mongolia, Xinjiang, etc.<br \/><br \/>Raw material harvest season: first harvest in July and August, second in October","protected":false},"excerpt":{"rendered":"<p>Main specifications General total glycoside stevioside: [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1903,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1899","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"_links":{"self":[{"href":"https:\/\/naturalsweeteners.net\/index.php?rest_route=\/wp\/v2\/posts\/1899","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/naturalsweeteners.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/naturalsweeteners.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/naturalsweeteners.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/naturalsweeteners.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1899"}],"version-history":[{"count":1,"href":"https:\/\/naturalsweeteners.net\/index.php?rest_route=\/wp\/v2\/posts\/1899\/revisions"}],"predecessor-version":[{"id":1901,"href":"https:\/\/naturalsweeteners.net\/index.php?rest_route=\/wp\/v2\/posts\/1899\/revisions\/1901"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/naturalsweeteners.net\/index.php?rest_route=\/wp\/v2\/media\/1903"}],"wp:attachment":[{"href":"https:\/\/naturalsweeteners.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1899"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/naturalsweeteners.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1899"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/naturalsweeteners.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1899"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}