{"id":6574,"date":"2025-06-07T08:46:49","date_gmt":"2025-06-06T23:46:49","guid":{"rendered":"https:\/\/sushiuniversity.jp\/sushiblog\/?p=6574"},"modified":"2025-06-07T08:46:49","modified_gmt":"2025-06-06T23:46:49","slug":"what-is-arai","status":"publish","type":"post","link":"https:\/\/sushiuniversity.jp\/sushiblog\/what-is-arai\/","title":{"rendered":"What is Arai?"},"content":{"rendered":"<figure id=\"attachment_6575\" aria-describedby=\"caption-attachment-6575\" style=\"width: 640px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-6575\" src=\"https:\/\/sushiuniversity.jp\/sushiblog\/wp-content\/uploads\/sites\/15\/2025\/06\/arai.jpg\" alt=\"A photo of Koi arai\" width=\"640\" height=\"480\" srcset=\"https:\/\/sushiuniversity.jp\/sushiblog\/wp-content\/uploads\/sites\/15\/2025\/06\/arai.jpg 640w, https:\/\/sushiuniversity.jp\/sushiblog\/wp-content\/uploads\/sites\/15\/2025\/06\/arai-300x225.jpg 300w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><figcaption id=\"caption-attachment-6575\" class=\"wp-caption-text\">The appearance of Koi arai<\/figcaption><\/figure>\n<p><strong>Arai<\/strong> is a traditional Japanese sashimi technique in which raw seafood is rinsed in cold or ice water. Also known as \u201c<em><a href=\"https:\/\/ouchidehaiku.com\/contents\/345474\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #00ccff;\">\u6d17\u9c60<\/span><\/a><\/em>\u201d or \u201c<em>\u6d17\u9b5a<\/em>\u201d, this method is especially popular during the summer months for its refreshing taste and texture.<\/p>\n<h3>How Arai Is Prepared<\/h3>\n<p>In this technique, thinly sliced or shredded fish is placed in a strainer set over a bowl of ice water and washed until the flesh firms and warps. Some chefs also use running water for the rinsing process. The purpose of this rapid chilling is to stimulate the muscle fibers, causing them to contract and tighten, resulting in a firmer texture and improved mouthfeel.<\/p>\n<h3>Benefits of the Arai Method<\/h3>\n<p>Washing the fish removes surface proteins and lipids, effectively reducing unwanted odors\u2014often caused by the oxidation of fats\u2014and producing a cleaner, lighter taste. <strong>Arai<\/strong> is especially well-suited for seafood that has a strong aroma, high fat content, or soft flesh.<\/p>\n<h3>Common Seafood Used in Arai<\/h3>\n<ul>\n<li><strong>Freshwater fish:<\/strong> Carp (koi) is the most well-known example.<\/li>\n<li><strong>Shrimp:<\/strong> Live kuruma shrimp are sometimes rinsed instead of served raw, offering a firmer texture than <em>odorigui<\/em> (live sashimi).<\/li>\n<li><strong>Saltwater fish:<\/strong> Japanese sea bass (suzuki), black sea bream (kurodai), and <span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/sushiuniversity.jp\/visual-dictionary\/?Name=Redspotted-grouper-(Kijihata)\" target=\"_blank\" rel=\"noopener\">redspotted grouper (akou or kijihata)<\/a><\/span> are commonly prepared as <em>arai<\/em> to remove their pungent coastal aroma (known as <em>iso-kusasa<\/em>).<\/li>\n<\/ul>\n<h3>Historical Context<\/h3>\n<p>During Japan\u2019s period of rapid economic growth in the postwar Showa era, marine pollution led to concerns about fish having a \u201cpetroleum-like\u201d odor. <strong>Suzuki<\/strong> was especially affected and often prepared as <em>arai<\/em> to mask the smell. This historical context helped establish <em>Suzuki no Arai<\/em> as a quintessential seasonal summer dish in Japanese cuisine.<\/p>\n<h3>Freshness Is Essential<\/h3>\n<p>Fish used for <em>arai<\/em> must be extremely fresh and ideally still alive at the time of preparation. After death, fish rapidly lose <strong>ATP<\/strong> (adenosine triphosphate), the energy molecule responsible for muscle contraction. Once ATP is depleted, rinsing in cold water no longer causes the muscle fibers to contract, rendering the technique ineffective. The act of washing forcibly removes ATP and induces contraction, resulting in a firmer texture.<\/p>\n<h3>A Seasonal Delicacy<\/h3>\n<p>The brief rinsing also helps wash away surface fat, balancing the richness of fatty fish and resulting in a crisp, clean flavor. This quality makes <strong>arai<\/strong> not only a method of preparation but also an expression of culinary seasonality and refinement, offering a moment of cool relief during Japan\u2019s hot summer months.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Arai is a traditional Japanese sashimi technique in which raw seafood is rinsed in cold or ice water. Also known as \u201c\u6d17\u9c60\u201d or \u201c\u6d17\u9b5a\u201d, this method is especially popular during the summer months for its refreshing taste and texture. How Arai Is Prepared In this technique, thinly sliced or shredded fish is placed in a strainer set over a bowl of ice water and washed until the flesh firms and warps. Some chefs also use running water for the rinsing process. The purpose of this rapid chilling is to stimulate the muscle fibers, causing them to contract and tighten, resulting in a firmer texture and improved mouthfeel. Benefits of the &hellip; <a href=\"https:\/\/sushiuniversity.jp\/sushiblog\/what-is-arai\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">What is Arai?<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/sushiuniversity.jp\/sushiblog\/wp-json\/wp\/v2\/posts\/6574"}],"collection":[{"href":"https:\/\/sushiuniversity.jp\/sushiblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sushiuniversity.jp\/sushiblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sushiuniversity.jp\/sushiblog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/sushiuniversity.jp\/sushiblog\/wp-json\/wp\/v2\/comments?post=6574"}],"version-history":[{"count":1,"href":"https:\/\/sushiuniversity.jp\/sushiblog\/wp-json\/wp\/v2\/posts\/6574\/revisions"}],"predecessor-version":[{"id":6576,"href":"https:\/\/sushiuniversity.jp\/sushiblog\/wp-json\/wp\/v2\/posts\/6574\/revisions\/6576"}],"wp:attachment":[{"href":"https:\/\/sushiuniversity.jp\/sushiblog\/wp-json\/wp\/v2\/media?parent=6574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sushiuniversity.jp\/sushiblog\/wp-json\/wp\/v2\/categories?post=6574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sushiuniversity.jp\/sushiblog\/wp-json\/wp\/v2\/tags?post=6574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}