{"id":17006,"date":"2026-10-10T12:00:44","date_gmt":"2026-10-10T10:00:44","guid":{"rendered":"https:\/\/aromexperten.se\/?p=17006"},"modified":"2026-10-28T15:50:32","modified_gmt":"2026-10-28T14:50:32","slug":"mushroom-extraction-process","status":"publish","type":"post","link":"https:\/\/aromexperten.se\/en\/mushroom-extraction-process\/","title":{"rendered":"How Are Mushroom Extracts Made? Water, Ultrasound and Freeze-Drying"},"content":{"rendered":"<div class=\"cornerstone-article mushroom-extraction-guide\">\n<p class=\"article-lead\">\n<strong>Mushroom extraction is about much more than grinding dried mushrooms into powder.<\/strong><br \/>\nWhen making a mushroom extract, the producer treats a defined mushroom raw material with an extraction medium under controlled process conditions. The process may, for example, combine water with heat, ultrasound or other techniques. The producer then needs to separate, stabilise and dry the extract.\n<\/p>\n<div class=\"information-box\">\n<p>\n<strong>In short:<\/strong> In <strong>mushroom extraction<\/strong>, the producer starts with a defined mushroom species and part of the fungus. This is followed by processing, extraction and finally drying and analysis. A mushroom extract is therefore not the same as an ordinary finely ground mushroom powder.\n<\/p>\n<\/div>\n<div class=\"table-of-contents\">\n<p><strong>In this guide<\/strong><\/p>\n<ul>\n<li><a href=\"#vad-ar-extraktion\">What does mushroom extraction involve?<\/a><\/li>\n<li><a href=\"#ravara\">1. Mushroom extraction starts with the right raw material<\/a><\/li>\n<li><a href=\"#finfordelning\">2. Drying and size reduction<\/a><\/li>\n<li><a href=\"#vatten\">3. Water in mushroom extraction<\/a><\/li>\n<li><a href=\"#ultraljud\">4. Ultrasound-assisted extraction<\/a><\/li>\n<li><a href=\"#kavitation\">5. What happens during ultrasound treatment?<\/a><\/li>\n<li><a href=\"#parametrar\">6. Process parameters in extraction<\/a><\/li>\n<li><a href=\"#separation\">7. Separation and concentration<\/a><\/li>\n<li><a href=\"#frystorkning\">8. Freeze-drying of mushroom extracts<\/a><\/li>\n<li><a href=\"#nordrelease\">NordRelease\u00ae and mushroom extraction<\/a><\/li>\n<li><a href=\"#pulver-extrakt\">Powder and extract are not the same thing<\/a><\/li>\n<li><a href=\"#analys\">Laboratory analysis after extraction<\/a><\/li>\n<li><a href=\"#kvalitet\">How do you assess the extraction process?<\/a><\/li>\n<li><a href=\"#sammanfattning\">Summary<\/a><\/li>\n<\/ul>\n<\/div>\n<section id=\"vad-ar-extraktion\">\n<h2>What does mushroom extraction involve?<\/h2>\n<p>\nIn <strong>mushroom extraction<\/strong>, the producer treats a defined mushroom raw material with an extraction medium under controlled conditions.\n<\/p>\n<p>\nThe aim is to transfer certain components from the solid mushroom material into an extract phase. Which components the process recovers depends, among other things, on the chemical composition of the mushroom, which part of the fungus the producer uses and which extraction method is used.\n<\/p>\n<p>\n<strong>That is why<\/strong> the terms \u201cmushroom extract\u201d and \u201cmushroom powder\u201d are not synonymous. A powder may consist only of dried and ground mushroom, whereas an extract has gone through additional process steps.\n<\/p>\n<\/section>\n<section id=\"ravara\">\n<h2>Mushroom extraction starts with the right raw material<\/h2>\n<p>\nA good <strong>mushroom extraction<\/strong> process always starts with a clear raw material identity.\n<\/p>\n<p>\nThe producer first needs to establish which mushroom species and which biological structure the process starts from.\n<\/p>\n<p>\nFor Lion\u2019s Mane, the raw material may, for example, consist of <strong>fruiting body or mycelium<\/strong>. For Chaga, the producer may instead use the characteristic <strong>Chaga conk<\/strong>.\n<\/p>\n<p>\nThese raw materials differ both biologically and chemically. That is why the same type of extraction process can produce different final profiles depending on which material the producer starts with.\n<\/p>\n<div class=\"information-box\">\n<p>\n<strong>The raw material comes first:<\/strong> Extraction can affect which components the producer recovers from the material, but the process does not make biologically different mushroom raw materials identical.\n<\/p>\n<\/div>\n<\/section>\n<section id=\"finfordelning\">\n<h2>Drying and size reduction before extraction<\/h2>\n<p>\nProducers often dry the mushroom raw material before the actual extraction begins. They may then grind the material to reduce the particle size.\n<\/p>\n<p>\nSize reduction increases the contact surface between the mushroom material and the extraction liquid. <strong>This way<\/strong>, the liquid gets better contact with the raw material.\n<\/p>\n<p>\nSome processes also use more intensive physical cell processing before or during extraction.\n<\/p>\n<p>\nThis does not mean, however, that fine grinding alone creates an extract. Grinding mainly changes the physical structure of the material, whereas extraction means that components are transferred from the raw material into an extraction medium.\n<\/p>\n<\/section>\n<section id=\"vatten\">\n<h2>Water in mushroom extraction<\/h2>\n<p>\nWater is a common extraction medium in <strong>mushroom extraction<\/strong>, especially when the process targets water-extractable components such as various polysaccharide fractions.\n<\/p>\n<p>\nTraditional hot water extraction usually combines water, temperature and time. Together, these factors affect how material is transferred from the solid raw material to the extract phase.\n<\/p>\n<p>\nModern process development may also combine water with other techniques, for example <strong>ultrasound<\/strong>.\n<\/p>\n<p>\n<strong>That is why<\/strong> the term \u201cwater extraction\u201d does not describe one single standardised process. Temperature, time, particle size, amount of water and mechanical treatment can differ considerably between extracts.\n<\/p>\n<div class=\"important-notice\">\n<p>\n<strong>Water extraction is not just \u201cmushroom + water\u201d.<\/strong><br \/>\nThe actual process parameters determine how the extraction is carried out and what kind of raw material profile the producer obtains after processing.\n<\/p>\n<\/div>\n<\/section>\n<section id=\"ultraljud\">\n<h2>Ultrasound-assisted mushroom extraction<\/h2>\n<p>\nOne modern technique for <strong>mushroom extraction<\/strong> is ultrasound-assisted extraction, often abbreviated to UAE.\n<\/p>\n<p>\nThe method combines an extraction medium with ultrasound. The technique is used in research and industry to process various biological raw materials, including mushroom material.\n<\/p>\n<p>\nThe ultrasound creates rapid pressure changes in the liquid. Under the right process conditions, these changes can contribute to mechanical effects that improve contact between the extraction liquid and the raw material.\n<\/p>\n<p>\n<strong>The result<\/strong> can be more efficient mass transfer than in a process where the raw material simply sits still in contact with the liquid.\n<\/p>\n<\/section>\n<section id=\"kavitation\">\n<h2>What happens during ultrasound and cavitation?<\/h2>\n<p>\nA central mechanism behind ultrasound-assisted extraction is <strong>acoustic cavitation<\/strong>.\n<\/p>\n<p>\nWhen ultrasound waves travel through the liquid, they create alternating high- and low-pressure phases. Small bubbles can then form, grow and finally collapse.\n<\/p>\n<p>\nWhen the bubbles collapse, local mechanical forces and micro-movements occur in the liquid.\n<\/p>\n<p>\nThese effects can, among other things:<\/p>\n<ul class=\"checklist\">\n<li>improve contact between the raw material and the extraction liquid<\/li>\n<li>affect the physical structure of the mushroom material<\/li>\n<li>increase mass transfer from the raw material<\/li>\n<li>speed up parts of the extraction process<\/li>\n<\/ul>\n<p>\n<strong>At the same time<\/strong>, the producer needs to control the process carefully. Intensity, time and temperature can affect the final result.\n<\/p>\n<\/section>\n<section id=\"parametrar\">\n<h2>Process parameters in mushroom extraction<\/h2>\n<p>\nIn <strong>mushroom extraction<\/strong>, several process parameters affect the final result.\n<\/p>\n<p>\nExtraction therefore does not work as a simple on\/off process. Instead, several variables interact throughout the processing.\n<\/p>\n<div class=\"table-scroll\">\n<table>\n<thead>\n<tr>\n<th scope=\"col\">Parameter<\/th>\n<th scope=\"col\">Why does it matter?<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Temperature<\/strong><\/td>\n<td>Affects solubility, mass transfer and the chemical environment of the raw material<\/td>\n<\/tr>\n<tr>\n<td><strong>Time<\/strong><\/td>\n<td>Determines how long the raw material is exposed to the process<\/td>\n<\/tr>\n<tr>\n<td><strong>Particle size<\/strong><\/td>\n<td>Affects the contact surface between the raw material and the extraction medium<\/td>\n<\/tr>\n<tr>\n<td><strong>Raw material\/liquid ratio<\/strong><\/td>\n<td>Affects concentration and mass transfer in the system<\/td>\n<\/tr>\n<tr>\n<td><strong>Ultrasound intensity<\/strong><\/td>\n<td>Affects cavitation and mechanical treatment<\/td>\n<\/tr>\n<tr>\n<td><strong>Extraction medium<\/strong><\/td>\n<td>Affects which groups of compounds the process can transfer<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\n<strong>That is why<\/strong> two products that are both called \u201cwater extract\u201d may still have gone through different processes and ended up with different chemical profiles.\n<\/p>\n<\/section>\n<section id=\"separation\">\n<h2>Separation and concentration after extraction<\/h2>\n<p>\nAfter the actual extraction, the system contains both extracted components and solid raw material residues.\n<\/p>\n<p>\nThe producer therefore needs to separate the extract phase from the material that should not be carried over in the same form to the next process step.\n<\/p>\n<p>\nThe process may then include filtration, concentration or other separation steps, depending on which final product the producer wants to create.\n<\/p>\n<p>\n<strong>Only then<\/strong> can the producer prepare the extract for stabilisation and drying.\n<\/p>\n<\/section>\n<section id=\"frystorkning\">\n<h2>Freeze-drying after mushroom extraction<\/h2>\n<p>\nAfter water-based <strong>mushroom extraction<\/strong>, the extract phase naturally contains a lot of water. To create a dry and manageable raw material, the producer needs to remove the liquid.\n<\/p>\n<p>\nOne method is <strong>freeze-drying<\/strong>, also known as lyophilisation.\n<\/p>\n<p>\nFirst, the producer freezes the material. The pressure is then lowered so that frozen water can mainly leave the material through sublimation.\n<\/p>\n<p>\nAfter drying, the producer can grind the dry extract into a more uniform powder.\n<\/p>\n<p>\n<strong>That is why a finished mushroom extract can look like ordinary mushroom powder even though its process history is completely different.<\/strong>\n<\/p>\n<\/section>\n<section id=\"nordrelease\">\n<h2>NordRelease\u00ae and mushroom extraction<\/h2>\n<p>\nK\u00c4\u00c4P\u00c4 Biotech describes NordRelease\u00ae as a process that combines <strong>ultrasound-assisted extraction (UAE)<\/strong> with purified water.\n<\/p>\n<p>\nAn important detail is that K\u00c4\u00c4P\u00c4 does not describe NordRelease\u00ae as exactly the same process for every mushroom. Instead, the company states that the extraction conditions are adapted to each mushroom raw material and its chemical profile.\n<\/p>\n<p>\n<strong>This matters when discussing mushroom extraction.<\/strong> Two mushrooms can use the same overall process technology and still require different parameters.\n<\/p>\n<p>\nNordRelease\u00ae should therefore not be simplified to the raw material just being \u201cboiled in water\u201d. The process uses water together with ultrasound-assisted processing and subsequent process steps.\n<\/p>\n<div class=\"mushroom-process\">\n<div>\n    <strong>01<\/strong><br \/>\n    <span>Defined mushroom raw material<\/span>\n  <\/div>\n<div>\n    <strong>02<\/strong><br \/>\n    <span>Drying and grinding<\/span>\n  <\/div>\n<div>\n    <strong>03<\/strong><br \/>\n    <span>Cell processing<\/span>\n  <\/div>\n<div>\n    <strong>04<\/strong><br \/>\n    <span>Water + UAE<\/span>\n  <\/div>\n<div>\n    <strong>05<\/strong><br \/>\n    <span>Freeze-drying<\/span>\n  <\/div>\n<div>\n    <strong>06<\/strong><br \/>\n    <span>Analysis<\/span>\n  <\/div>\n<\/div>\n<\/section>\n<section id=\"pulver-extrakt\">\n<h2>Mushroom powder and mushroom extract are not the same thing<\/h2>\n<p>\nThe finished form can cause confusion, because both an ordinary mushroom powder and a freeze-dried extract can look like a fine powder.\n<\/p>\n<p>\nThe difference therefore lies not mainly in appearance but in <strong>how the producer has processed the raw material<\/strong>.\n<\/p>\n<div class=\"table-scroll\">\n<table>\n<thead>\n<tr>\n<th scope=\"col\">Raw material<\/th>\n<th scope=\"col\">Typical process<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Mushroom powder<\/strong><\/td>\n<td>Drying + grinding<\/td>\n<\/tr>\n<tr>\n<td><strong>Mushroom extract<\/strong><\/td>\n<td>Raw material processing + extraction + separation + drying<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\nIf you would like to read more about the difference, see our full guide on<br \/>\n<a href=\"https:\/\/aromexperten.se\/en\/mushroom-powder-vs-mushroom-extract\/\">mushroom powder vs mushroom extract<\/a>.\n<\/p>\n<\/section>\n<section id=\"analys\">\n<h2>Laboratory analysis after mushroom extraction<\/h2>\n<p>\nThe <strong>mushroom extraction<\/strong> process itself tells you how the producer has processed the material. Laboratory analysis, on the other hand, provides measurable information about the finished raw material.\n<\/p>\n<p>\nFor mushroom extracts, analyses may include, for example:<\/p>\n<ul class=\"checklist\">\n<li>beta-glucans<\/li>\n<li>species-specific chemical markers<\/li>\n<li>moisture content<\/li>\n<li>microbiological parameters<\/li>\n<li>heavy metals<\/li>\n<\/ul>\n<p>\nFor some mushrooms, the producer may also specify other groups of compounds.\n<\/p>\n<p>\nLion\u2019s Mane can, for example, be analysed for hericenones\/hericenes, while Chaga can be characterised by inotodiol and betulinic acid.\n<\/p>\n<p>\n<strong>That is why process documentation and laboratory analysis complement each other.<\/strong> One tells you how the raw material was produced, and the other describes parts of the analysed composition of the final material.\n<\/p>\n<\/section>\n<section id=\"kvalitet\">\n<h2>How do you assess quality in mushroom extraction?<\/h2>\n<p>\nIt is not enough for a product to simply say \u201cextracted\u201d.\n<\/p>\n<p>\nA more informative technical assessment of <strong>mushroom extraction<\/strong> looks at several parts of the process:<\/p>\n<ul class=\"checklist\">\n<li>which mushroom species the process starts from<\/li>\n<li>which part of the fungus the producer uses<\/li>\n<li>the geographical origin of the raw material<\/li>\n<li>which extraction medium the producer uses<\/li>\n<li>which extraction technique the producer uses<\/li>\n<li>how the final extract is dried<\/li>\n<li>which chemical parameters the laboratory analyses<\/li>\n<li>whether relevant analytical methods are stated<\/li>\n<li>microbiological control<\/li>\n<li>heavy metal control<\/li>\n<\/ul>\n<p>\n<strong>This way<\/strong>, it becomes possible to assess the extract as a documented raw material instead of relying only on marketing terms.\n<\/p>\n<p>\nYou can read the full checklist in our guide on<br \/>\n<a href=\"https:\/\/aromexperten.se\/en\/mushroom-extract-quality\/\">mushroom extract quality<\/a>.\n<\/p>\n<\/section>\n<section>\n<h2>Extraction of Lion\u2019s Mane and Chaga<\/h2>\n<p>\nAromexperten\u2019s NordRelease\u00ae Lion\u2019s Mane and Chaga provide two concrete examples of water-based and ultrasound-assisted extraction of mushroom raw materials.\n<\/p>\n<p>\nThe Lion\u2019s Mane raw material is based on <strong>100% fruiting body of <em>Hericium erinaceus<\/em><\/strong>, while the Chaga raw material is based on <strong>Chaga conk from <em>Inonotus obliquus<\/em><\/strong>.\n<\/p>\n<p>\nBoth use the NordRelease\u00ae technology and purified water. The raw materials, however, are biologically and chemically different. You should therefore not automatically assume that the producer uses exactly the same process parameters for both mushrooms.\n<\/p>\n<div class=\"information-box\">\n<p>\nRead more about the finished raw materials on the pages for<br \/>\n<a href=\"https:\/\/aromexperten.se\/en\/shop\/mushroom-extracts\/lions-mane-extract\/\">Lion\u2019s Mane extract<\/a><br \/>\nand<br \/>\n<a href=\"https:\/\/aromexperten.se\/en\/shop\/mushroom-extracts\/chaga-extract\/\">Chaga extract<\/a>.\n<\/p>\n<\/div>\n<p class=\"category-product-link\">\nWould you like to see the full range? Explore the category of<br \/>\n<a href=\"https:\/\/aromexperten.se\/en\/product-category\/mushroom-extracts\/\">mushroom extracts<\/a>.\n<\/p>\n<\/section>\n<section id=\"sammanfattning\">\n<h2>Summary: mushroom extraction step by step<\/h2>\n<p>\n<strong>Mushroom extraction starts with a defined mushroom raw material and ends with a processed extract that can be analysed.<\/strong>\n<\/p>\n<p>\nFirst, the producer chooses the right mushroom species and part of the fungus. The producer can then dry and grind the material.\n<\/p>\n<p>\nIn water-based extraction, water acts as the extraction medium. Ultrasound-assisted extraction can also use acoustic cavitation and mechanical effects to improve contact between the liquid and the raw material.\n<\/p>\n<p>\nAfter extraction, the producer separates the extract phase from the remaining solid material. The process can then concentrate and dry the extract, for example by freeze-drying.\n<\/p>\n<p>\nFinally, laboratories can analyse beta-glucans, species-specific chemical markers and various quality parameters.\n<\/p>\n<p>\n<strong>That is why a clear description of the mushroom extraction is much more informative than the word \u201cextract\u201d alone.<\/strong> Raw material, extraction medium, process technology and analysis together need to create a clear picture of the final product.\n<\/p>\n<\/section>\n<div class=\"important-notice\">\n<p>\n<strong>About this content:<\/strong> This article describes technical processing, extraction processes and raw material analysis. It should not be interpreted as information about medical or physiological effect. Aromexperten\u2019s mushroom raw materials are sold for technical and raw material purposes and are not intended for consumption.\n<\/p>\n<\/div>\n<section class=\"sources\">\n<h2>Sources and further reading<\/h2>\n<ol>\n<li>\n<a href=\"https:\/\/www.kaapamushrooms.com\/pages\/learn\"\ntarget=\"_blank\" rel=\"noopener noreferrer\"><br \/>\nK\u00c4\u00c4P\u00c4 Mushrooms \u2013 NordRelease\u00ae ultrasonic-assisted extraction<br \/>\n<\/a>\n<\/li>\n<li>\n<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/33142573\/\"\ntarget=\"_blank\" rel=\"noopener noreferrer\"><br \/>\nLeong et al. \u2013 Extraction of polysaccharides from edible mushrooms: Emerging technologies and recent advances<br \/>\n<\/a>\n<\/li>\n<li>\n<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/38219551\/\"\ntarget=\"_blank\" rel=\"noopener noreferrer\"><br \/>\nSun et al. \u2013 Application of ultrasonication in the production and processing of edible mushrooms<br \/>\n<\/a>\n<\/li>\n<li>\n<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/40132710\/\"\ntarget=\"_blank\" rel=\"noopener noreferrer\"><br \/>\nAdvanced insights into mushroom polysaccharides: Extraction methods and structural characteristics<br \/>\n<\/a>\n<\/li>\n<\/ol>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Mushroom extraction is about much more than grinding dried mushrooms into powder. When making a mushroom extract, the producer treats a defined mushroom raw material with an extraction medium under controlled process conditions. The process may, for example, combine water with heat, ultrasound or other techniques. The producer then needs to separate, stabilise and dry [&#8230;]\n","protected":false},"author":1,"featured_media":16258,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[254],"tags":[],"class_list":["post-17006","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-botanical-guides"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mushroom Extraction \u2013 Water, Ultrasound &amp; Freeze-Drying | Aromexperten<\/title>\n<meta name=\"description\" content=\"Mushroom extraction explained step by step. 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