{"id":210,"date":"2025-07-07T06:54:31","date_gmt":"2025-07-07T13:54:31","guid":{"rendered":"https:\/\/scienceblog.com\/sciencechina\/?p=210"},"modified":"2025-07-07T06:54:31","modified_gmt":"2025-07-07T13:54:31","slug":"wheatgrass-compounds-beat-vitamin-c-as-antioxidants","status":"publish","type":"post","link":"https:\/\/scienceblog.com\/sciencechina\/2025\/07\/07\/wheatgrass-compounds-beat-vitamin-c-as-antioxidants\/","title":{"rendered":"Wheatgrass Compounds Beat Vitamin C as Antioxidants"},"content":{"rendered":"<p>Young wheat shoots contain flavonoid compounds that outperform vitamin C in fighting cellular damage\u2014and these antioxidants can actually extend lifespan in laboratory animals.<\/p>\n<p>Chinese researchers who screened 228 modern wheat cultivars discovered that two specific wheatgrass flavonoids, isoorientin and luteolin, demonstrated twice the antioxidant power of vitamin C in laboratory tests. Even more striking: wheatgrass contained nearly 20 times more flavonoids than mature wheat grains, making the young shoots a potent source of health-promoting compounds.<\/p>\n<p>The findings, <a href=\"https:\/\/www.maxapress.com\/article\/doi\/10.48130\/seedbio-0024-0010\">published in Seed Biology<\/a>, challenge assumptions about where to find the most powerful natural antioxidants and suggest that agricultural breeding programs could dramatically boost the nutritional value of this increasingly popular superfood.<\/p>\n<h2>Nature&#8217;s Antioxidant Arsenal<\/h2>\n<p>The research team from China Agricultural University subjected wheatgrass flavonoids to three rigorous antioxidant tests\u2014ABTS, DPPH, and FRAP assays\u2014comparing their performance against vitamin C, one of the most widely used antioxidant supplements. The results were eye-opening.<\/p>\n<p>All four major wheatgrass flavonoids showed superior antioxidant activity to vitamin C in the ABTS test. But in the more stringent DPPH assay, isoorientin and luteolin emerged as the clear champions, delivering approximately double the free radical-scavenging power of vitamin C. Two other compounds, isovitexin and apigenin, showed negligible activity in this test.<\/p>\n<p>Perhaps most importantly for nutrition, the study revealed massive differences between wheat development stages:<\/p>\n<ul>\n<li>Wheatgrass contained ~675 ng\/g of flavonoids (fresh weight)<\/li>\n<li>Mature wheat grains contained only ~35 ng\/g (dry weight)<\/li>\n<li>This represents nearly a 20-fold difference in flavonoid concentration<\/li>\n<li>The difference suggests optimal harvest timing for maximum antioxidant benefits<\/li>\n<\/ul>\n<h2>Living Longer on Wheatgrass<\/h2>\n<p>To test whether these laboratory antioxidant activities translated into real biological benefits, researchers fed wheatgrass flavonoid extracts to fruit flies\u2014a standard model for aging research. The results revealed both promise and complexity.<\/p>\n<p>Male fruit flies fed 1 mM concentrations of wheatgrass flavonoid extract lived significantly longer than controls, displaying what researchers described as &#8220;dose-dependent and gender-specific&#8221; lifespan extension. However, female flies showed no lifespan benefits, and higher concentrations actually proved harmful to males.<\/p>\n<p>Gene expression analysis of the treated flies revealed changes in sperm competition pathways and energy metabolism\u2014suggesting the longevity benefits might work through male-specific biological mechanisms involving cellular energy production and vitamin absorption.<\/p>\n<h2>Designer Wheatgrass<\/h2>\n<p>The study identified specific wheat cultivars with exceptional flavonoid profiles. Three varieties\u2014Xiaoyan 269, Suixuan 101, and Zhoumai 30\u2014emerged as flavonoid powerhouses, containing significantly higher levels of the beneficial luteolin and chrysoeriol compounds compared to standard varieties.<\/p>\n<p>Using detailed metabolite profiling, the researchers mapped ten major flavonoid compounds in wheatgrass, finding that modifications were largely based on three core molecules: luteolin, apigenin, and chrysoeriol. This chemical blueprint could guide breeding programs to develop specialized wheatgrass varieties tailored for specific health applications.<\/p>\n<p>The team also discovered they could boost flavonoid production by 30% using jasmonic acid treatment\u2014a natural plant hormone that activates defensive compound production. Gene expression analysis confirmed this treatment significantly upregulated key enzymes in the flavonoid biosynthesis pathway, including phenylalanine lyase and chalcone synthetase.<\/p>\n<p>These findings open possibilities for both agricultural breeding and post-harvest treatment strategies to maximize wheatgrass nutritional value. Since the study found no correlation between flavonoid content and agronomic traits like grain yield, farmers could potentially grow high-antioxidant wheatgrass varieties without sacrificing crop productivity.<\/p>\n<p>The research provides scientific validation for wheatgrass&#8217;s reputation as a superfood while revealing specific strategies to make it even more nutritionally powerful\u2014potentially offering consumers access to antioxidants that surpass even vitamin C in their cellular protective effects.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Young wheat shoots contain flavonoid compounds that outperform vitamin C in fighting cellular damage\u2014and these antioxidants can actually extend lifespan in laboratory animals. Chinese researchers who screened 228 modern wheat cultivars discovered that two specific wheatgrass flavonoids, isoorientin and luteolin, demonstrated twice the antioxidant power of vitamin C in laboratory tests. Even more striking: wheatgrass &#8230; <a title=\"Wheatgrass Compounds Beat Vitamin C as Antioxidants\" class=\"read-more\" href=\"https:\/\/scienceblog.com\/sciencechina\/2025\/07\/07\/wheatgrass-compounds-beat-vitamin-c-as-antioxidants\/\" aria-label=\"Read more about Wheatgrass Compounds Beat Vitamin C as Antioxidants\">Read more<\/a><\/p>\n","protected":false},"author":1299,"featured_media":211,"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_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false,"_links_to":"","_links_to_target":""},"categories":[6],"tags":[],"class_list":["post-210","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-health","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Wheatgrass Compounds Beat Vitamin C as Antioxidants - SciChi<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/scienceblog.com\/sciencechina\/2025\/07\/07\/wheatgrass-compounds-beat-vitamin-c-as-antioxidants\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Wheatgrass Compounds Beat Vitamin C as Antioxidants\" \/>\n<meta property=\"og:description\" content=\"Young wheat shoots contain flavonoid compounds that outperform vitamin C in fighting cellular damage\u2014and these antioxidants can actually extend lifespan in laboratory animals. Chinese researchers who screened 228 modern wheat cultivars discovered that two specific wheatgrass flavonoids, isoorientin and luteolin, demonstrated twice the antioxidant power of vitamin C in laboratory tests. Even more striking: wheatgrass ... 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Chinese researchers used CRISPR gene editing to knock out one enzyme, redirecting cellular machinery to boost resveratrol production by over 400 percent while simultaneously reducing unwanted pigments. 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The study reveals that even at concentrations typically found in urban runoff, these compounds can cause significant liver damage and\u2026","rel":"","context":"In &quot;Environment&quot;","block_context":{"text":"Environment","link":"https:\/\/scienceblog.com\/sciencechina\/category\/environment\/"},"img":{"alt_text":"Pile up old tires","src":"https:\/\/i0.wp.com\/scienceblog.com\/sciencechina\/wp-content\/uploads\/sites\/16\/2025\/05\/tire-1366728_1280.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/scienceblog.com\/sciencechina\/wp-content\/uploads\/sites\/16\/2025\/05\/tire-1366728_1280.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/scienceblog.com\/sciencechina\/wp-content\/uploads\/sites\/16\/2025\/05\/tire-1366728_1280.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/scienceblog.com\/sciencechina\/wp-content\/uploads\/sites\/16\/2025\/05\/tire-1366728_1280.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":324,"url":"https:\/\/scienceblog.com\/sciencechina\/2025\/12\/29\/wildfire-smoke-carries-an-invisible-chemical-load-weve-been-missing\/","url_meta":{"origin":210,"position":2},"title":"Wildfire Smoke Carries an Invisible Chemical Load We&#8217;ve Been Missing","author":"SciChi","date":"December 29, 2025","format":false,"excerpt":"The acrid smell of wildfire smoke is unmistakable. It stings the eyes, coats the lungs, and lingers for days after flames move on. But the visible haze drifting from burning forests and grasslands tells only part of the story. 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The engineered microbes produced cannabigerolic acid (CBGA), a precursor to CBD and other therapeutic molecules, at levels that could eventually support commercial production.\u2026","rel":"","context":"In &quot;Health&quot;","block_context":{"text":"Health","link":"https:\/\/scienceblog.com\/sciencechina\/category\/health\/"},"img":{"alt_text":"Cannabis leaf","src":"https:\/\/i0.wp.com\/scienceblog.com\/sciencechina\/wp-content\/uploads\/sites\/16\/2025\/10\/pexels-fecundap6-2178565.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/scienceblog.com\/sciencechina\/wp-content\/uploads\/sites\/16\/2025\/10\/pexels-fecundap6-2178565.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/scienceblog.com\/sciencechina\/wp-content\/uploads\/sites\/16\/2025\/10\/pexels-fecundap6-2178565.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/scienceblog.com\/sciencechina\/wp-content\/uploads\/sites\/16\/2025\/10\/pexels-fecundap6-2178565.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":228,"url":"https:\/\/scienceblog.com\/sciencechina\/2025\/07\/31\/vitamin-d3-nanoemulsion-improved-autism-symptoms-in-children\/","url_meta":{"origin":210,"position":4},"title":"Vitamin D3 Nanoemulsion Improved Autism Symptoms in Children","author":"SciChi","date":"July 31, 2025","format":false,"excerpt":"A new study suggests that a nanoemulsion form of vitamin D3 may offer measurable improvements in language abilities, social IQ, and autism severity in children with autism spectrum disorder (ASD). In a six-month clinical trial, children who received vitamin D3 encapsulated in tiny, oil-based droplets showed greater behavioral and developmental\u2026","rel":"","context":"In &quot;Brain &amp; Behavior&quot;","block_context":{"text":"Brain &amp; Behavior","link":"https:\/\/scienceblog.com\/sciencechina\/category\/brain-behavior\/"},"img":{"alt_text":"vitamin d capsules","src":"https:\/\/i0.wp.com\/scienceblog.com\/sciencechina\/wp-content\/uploads\/sites\/16\/2025\/07\/gel-capsules-5834023_640.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/scienceblog.com\/sciencechina\/wp-content\/uploads\/sites\/16\/2025\/07\/gel-capsules-5834023_640.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/scienceblog.com\/sciencechina\/wp-content\/uploads\/sites\/16\/2025\/07\/gel-capsules-5834023_640.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":395,"url":"https:\/\/scienceblog.com\/sciencechina\/2026\/03\/13\/yak-gene-could-repair-damaged-nerves-in-multiple-sclerosis\/","url_meta":{"origin":210,"position":5},"title":"Yak Gene Could Repair Damaged Nerves in Multiple Sclerosis","author":"SciChi","date":"March 13, 2026","format":false,"excerpt":"Every nerve fibre in your brain and spinal cord is wrapped in something a bit like electrical tape. The myelin sheath, as it's called, is a fatty insulating layer produced by specialist cells called oligodendrocytes, and without it, nerve signals lose their speed and coherence. In multiple sclerosis, the immune\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Yak","src":"https:\/\/i0.wp.com\/scienceblog.com\/sciencechina\/wp-content\/uploads\/sites\/16\/2026\/03\/pexels-soulofmurcidus-8843014.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/scienceblog.com\/sciencechina\/wp-content\/uploads\/sites\/16\/2026\/03\/pexels-soulofmurcidus-8843014.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/scienceblog.com\/sciencechina\/wp-content\/uploads\/sites\/16\/2026\/03\/pexels-soulofmurcidus-8843014.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/scienceblog.com\/sciencechina\/wp-content\/uploads\/sites\/16\/2026\/03\/pexels-soulofmurcidus-8843014.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/scienceblog.com\/sciencechina\/wp-json\/wp\/v2\/posts\/210","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/scienceblog.com\/sciencechina\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/scienceblog.com\/sciencechina\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/scienceblog.com\/sciencechina\/wp-json\/wp\/v2\/users\/1299"}],"replies":[{"embeddable":true,"href":"https:\/\/scienceblog.com\/sciencechina\/wp-json\/wp\/v2\/comments?post=210"}],"version-history":[{"count":1,"href":"https:\/\/scienceblog.com\/sciencechina\/wp-json\/wp\/v2\/posts\/210\/revisions"}],"predecessor-version":[{"id":212,"href":"https:\/\/scienceblog.com\/sciencechina\/wp-json\/wp\/v2\/posts\/210\/revisions\/212"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/scienceblog.com\/sciencechina\/wp-json\/wp\/v2\/media\/211"}],"wp:attachment":[{"href":"https:\/\/scienceblog.com\/sciencechina\/wp-json\/wp\/v2\/media?parent=210"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/scienceblog.com\/sciencechina\/wp-json\/wp\/v2\/categories?post=210"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/scienceblog.com\/sciencechina\/wp-json\/wp\/v2\/tags?post=210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}