{"id":12606,"date":"2024-06-24T00:00:27","date_gmt":"2024-06-24T00:00:27","guid":{"rendered":"https:\/\/fitolympia.com\/?p=12606"},"modified":"2024-06-24T16:57:41","modified_gmt":"2024-06-24T16:57:41","slug":"how-tofu-is-made","status":"publish","type":"post","link":"https:\/\/fitolympia.com\/na\/how-tofu-is-made\/","title":{"rendered":"How tofu is made?"},"content":{"rendered":"\n<p>Look into any modern day tofu factory, and you will see the shiny gleam of machinery that is needed to produce tofu on a scale for mass consumption. Nevertheless, the principles of how tofu is made have remained intact over hundreds of years, and the process is so simple that you could make a batch even in the comfort of your own home.<\/p>\n\n\n\n<p>For anyone used to eating tofu regularly, it\u2019s common knowledge that there really isn\u2019t just one way to eat tofu or even one type of tofu to choose from. Its unassuming form disguises a nutritional punch since the soy\u00a0protein\u00a0in tofu is considered a complete protein\u2014meaning it contains all nine essential\u00a0amino acids\u00a0that are not made by the human body. This is why tofu is a staple for many seeking a plant-based alternative to animal protein.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.foodunfolded.com\/images\/uploads\/article-images\/in-article-tofumade01.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>As tofu is a soybean curd, the process of making it is comparable to how cheese is made, and it consists of 3 main stages:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Preparation of soybeans,<\/li><li>Coagulation of soy juice to form curds, and<\/li><li>Pressing curds to form tofu cakes<\/li><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">STEP 1. PREPARING SOYBEANS FOR \u2018MILKING\u2019<\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.foodunfolded.com\/images\/uploads\/article-images\/in-article-tofumade02.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>Soybeans and their \u2018milk\u2019 are the very essence of tofu, which is why the first step is crucial to the quality of the final result. Tofu makers begin with soaking the soybeans for anywhere between 4 to 10 hours to soften the beans before grinding them into a soy slurry. Traditionally, this process of extracting soy juice would be done using hand-operated grinding stones called querns, but these days sophisticated machinery is the norm for efficiently grinding juice out of a large quantity of soybeans.\u00a0Next, the soy slurry is boiled to a temperature between 100\u2103 and 110\u2103 for 3-10 minutes to reduce the intensity of the juice\u2019s beany flavour, and any foam is skimmed off the top while the remaining solid pulp\u2014known as\u00a0<em>okara\u00a0<\/em>in Japanese\u2014is filtered out from the liquid.<\/p>\n\n\n\n<p><strong>Fun Fact:<\/strong>\u00a0An\u00a0enzyme\u00a0in soy\u00a0protein\u00a0called\u00a0<em>lipoxygenase<\/em>\u00a0is responsible for the \u201cbeany\u201d flavour of soy products. Boiling soybeans inactivates this\u00a0enzyme\u00a0and produces a blander tofu, but in East Asia where a stronger beany taste in tofu is preferred, soybeans are often ground cold to retain\u00a0<em>lipoxygenase\u00a0<\/em>and the flavour compounds it helps produce.<a href=\"https:\/\/www.foodunfolded.com\/article\/how-tofu-is-made#ref4\"><sup>4<\/sup><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">STEP 2. COAGULATING THE SOY \u2018MILK\u2019<\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.foodunfolded.com\/images\/uploads\/article-images\/in-article-tofumade03.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>Coagulation is a key step in tofu making, as the type of coagulant used\u2014typically salts or acids\u2014will influence the texture and firmness of the tofu at the end.\u00a0For firmer kinds of tofu, tasteless salts like calcium sulphate and magnesium chloride are often employed; whereas edible acids such as glucono delta-lactone (GDL) are preferred for rapid coagulation that produces a smoother tofu with a more silken texture. When the coagulant is added to the filtered soy juice, the protein and oil that is suspended in the liquid will clump together to form curds. However, the coagulation process can be affected by many factors including the variety of soybeans used and its protein percentage as well as the temperature when cooking or coagulating the soy \u2018milk\u2019.<\/p>\n\n\n\n<p><strong>Fun Fact:<\/strong>\u00a0<em>Okara<\/em>\u00a0is a by-product of making soy \u2018milk\u2019 and tofu that is sometimes used as livestock feed or fertiliser for crops, but it can also be used in cooking as it is a high quality source of protein and minerals such as potassium, calcium, and niacin.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">STEP 3. PRESSING SOY CURDS<\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.foodunfolded.com\/images\/uploads\/article-images\/in-article-tofumade04.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>Before tofu is shaped into the familiar white blocks you get in store, the soy curds are usually broken up by stirring or mixing. The resulting curd mixture is then pressed in layers of cheesecloth under a hydraulic press to release its whey liquid and form the final tofu texture. Generally speaking, the higher the pressure, the firmer the resulting tofu. Pressed tofu is then ready to be cut into pieces and further processed to add flavourings if desired.&nbsp; Soft tofu does not go through any pressing, and is instead coagulated directly in its final packaging.<\/p>\n\n\n\n<p>These are just the basics of how tofu is made, and they can easily be replicated on a smaller scale in your own kitchen\u2014so just look for one of the many recipes online and get started! &nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/fitolympia.com\/wp-content\/uploads\/2021\/05\/How-tofu-is-made-scaled.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Look into any modern day tofu factory, and you will see the shiny gleam of machinery that is needed to 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