{"id":66444,"date":"2026-07-10T14:15:22","date_gmt":"2026-07-10T04:15:22","guid":{"rendered":"https:\/\/www.tomgrimshaw.com\/tomsblog\/?p=66444"},"modified":"2026-07-10T14:15:22","modified_gmt":"2026-07-10T04:15:22","slug":"mushrooms-make-vitamin-d","status":"publish","type":"post","link":"https:\/\/www.tomgrimshaw.com\/tomsblog\/?p=66444","title":{"rendered":"Mushrooms Make Vitamin D"},"content":{"rendered":"

\"Mushrooms<\/p>\n

Research has shown that exposing sliced white button mushrooms to direct sunlight before cooking dramatically increases their vitamin D2 content because UV-B light converts ergosterol in mushrooms into vitamin D2. Slicing the mushrooms first increases the exposed surface area, making the process more effective.<\/p>\n

One well-known study found that just 15 minutes of midday sun significantly increased vitamin D2 to levels comparable to fatty fish (about 704 IU per 100 g of fresh mushrooms&). Other studies have reported even larger increases depending on sunlight intensity and exposure conditions.<\/p>\n","protected":false},"excerpt":{"rendered":"

Research has shown that exposing sliced white button mushrooms to direct sunlight before cooking dramatically increases their vitamin D2 content because UV-B light converts ergosterol in mushrooms into vitamin D2. Slicing the mushrooms first increases the exposed surface area, making the process more effective. One well-known study found that just 15 minutes of midday sun … <\/p>\n

Continue reading “Mushrooms Make Vitamin D”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,6],"tags":[],"class_list":["post-66444","post","type-post","status-publish","format-standard","hentry","category-general-interest","category-health-tips"],"_links":{"self":[{"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=\/wp\/v2\/posts\/66444","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=66444"}],"version-history":[{"count":1,"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=\/wp\/v2\/posts\/66444\/revisions"}],"predecessor-version":[{"id":66446,"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=\/wp\/v2\/posts\/66444\/revisions\/66446"}],"wp:attachment":[{"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=66444"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=66444"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=66444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}