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The work was led by Joy Braga Cavalcante, a researcher in the Department of Biotechnology at the Federal Institute of Education, Science and Technology of Acre (IFAC<\/a>) in Brazil.<\/p>\n Her research includes studying how medicinal plants<\/a>, traditional species used as home remedies, might translate into safe therapies backed by laboratory data.<\/p>\n Jatob\u00e1 plants belong to the genus Hymenaea, a small group of Neotropical trees whose hard wood, sticky resins, and nutrient rich fruits support communities from Mexico to Brazil.<\/p>\n In Brazil, Indigenous and rural healers prepare its bark, leaves, and resin as syrups, teas, and poultices to relieve fatigue, joint swelling, coughs, and persistent gut pain.<\/p>\n Ethnobotanical records<\/a>, systematic notes on how communities use plants, describe jatob\u00e1 as medicine, food, timber, and spiritual symbol throughout Brazilian savanna and rainforest regions.<\/p>\n A single mature tree can yield dozens of heavy pods each year, providing floury seed pulp that remains an important calorie source where other options are scarce.<\/p>\n Studying the jatob\u00e1 plant<\/p>\n The authors conducted a systematic review<\/a>, a structured way to gather and judge all available studies, focused on Hymenaea remedies with anti-inflammatory effects.<\/p>\n Across the studies they pulled together, extracts from bark, leaves, seeds, and resin repeatedly showed chemical activity that dampens molecules driving inflammation in cells and tissues.<\/p>\n One laboratory screening<\/a>, a test of plants<\/a> chosen for long standing use, found that Hymenaea courbaril resin inhibited 5 lipoxygenase, an enzyme linked to bronchospasm and inflammation.<\/p>\n That enzyme drives production of leukotrienes, signaling molecules that tighten airways and summon inflammatory cells, so blocking it has potential consequences for asthma like disease.<\/p>\n Other experiments highlighted polysaccharides, long chains of sugar molecules from seeds, that activated macrophages and triggered release of immune messengers such as nitric oxide and key cytokines.<\/p>\n Together, these findings sketch an immune profile where jatob\u00e1 plant extracts can both spark front line defenses and restrain inflammatory cascades before they spiral into chronic damage.<\/p>\n From petri dishes to tiny animals<\/p>\n More recently, a team<\/a> working with Caenorhabditis elegans, a microscopic worm used to model stress responses, tested stem bark extracts of Hymenaea courbaril.<\/p>\n At concentrations that kept survival above eighty percent over three days, those extracts protected the worms from oxidative damage triggered by hydrogen peroxide exposure.<\/p>\n \u201cH. courbaril extract exhibited a low toxicity profile at the concentrations tested,\u201d noted Larissa Lobo, a researcher at the Federal University of Rio Grande do Sul (UFRGS<\/a>).<\/p>\n That combination of protection and tolerable toxicity in a whole organism model hints that jatob\u00e1 plant chemistry is not limited to test tubes.<\/p>\n Another study<\/a> of jatob\u00e1 bark, seed, and pulp extracts reported that phenolic rich mixtures stopped Staphylococcus aureus from forming the sticky biofilms that protect bacterial colonies.<\/p>\n The same team saw signs that those mixtures weakened established biofilms, a property that could someday help conventional antibiotics reach stubborn infections more effectively.<\/p>\n Nothing wasted from jatob\u00e1 plants<\/p>\n Jatob\u00e1 plant fruits are often eaten fresh or milled into flour, while the pod husks usually end up discarded.<\/p>\n Recent analyses<\/a> show that those husks hold concentrated phenolic compounds, plant chemicals that neutralize damaging oxygen molecules and may add value to food byproducts.<\/p>\n \u201cOur results not only confirm the economic and bioactive potentials of the whole H. courbaril tree,\u201d wrote Gabriela Lucca Del Angelo, a plant scientist based in Brazil.<\/p>\n Her team focused on pod husk extracts, reinforcing the idea that every part of this species may carry pharmacologically interesting chemistry worth closer study.<\/p>\n To keep track of such complex chemistry, researchers are turning to metabolomics, large scale studies that map many small molecules in extracts.<\/p>\n Those profiles can help future teams standardize jatob\u00e1 preparations, compare trees from different regions, and decide which combinations of compounds deserve safety testing in people.<\/p>\n For all the excitement around jatob\u00e1, most of the evidence the Brazilian review summarized still comes from cell cultures or short term experiments in animals.<\/p>\n Very few trials have looked at chronic inflammatory diseases, measured long term safety, or tested standardized extracts in humans, so clinical questions remain almost entirely open.<\/p>\n Researchers also wrestle with basic practical issues, because different communities use different plant<\/a> parts, preparation methods, and doses, which makes study results hard to compare.<\/p>\n A cup of home brewed bark tea, for example, may contain a very different mix of compounds than the concentrated extracts tested under controlled laboratory conditions.<\/p>\n The review argues that progress will likely depend on carefully designed animal and human studies that track inflammatory markers, capture possible side effects, and respect traditional preparation methods.<\/p>\n If those trials confirm what the early laboratory work suggests, communities that have long cared for these trees could see their knowledge recognized within formal health systems.<\/p>\n The study is published in Plants<\/a>.<\/p>\n \u2014\u2013<\/p>\n Like what you read? Subscribe to our newsletter<\/a> for engaging articles, exclusive content, and the latest updates.<\/p>\n Check us out on EarthSnap<\/a>, a free app brought to you by Eric Ralls<\/a> and Earth.com.<\/p>\n \u2014\u2013<\/p>\n","protected":false},"excerpt":{"rendered":"Across tropical Latin America, a tall tree known as jatob\u00e1 plant has long been trusted to ease pain,…\n","protected":false},"author":2,"featured_media":361652,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[49,48,84,377,9546],"class_list":{"0":"post-361651","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-medication","8":"tag-ca","9":"tag-canada","10":"tag-health","11":"tag-medication","12":"tag-plants"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/posts\/361651","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/comments?post=361651"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/posts\/361651\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/media\/361652"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/media?parent=361651"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/categories?post=361651"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/tags?post=361651"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![\"Jatob\u00e1](\"https:\/\/www.newsbeep.com\/ca\/wp-content\/uploads\/2025\/12\/jatoba-plant_early-human-use_modern-science_1s.webp.webp\")
<\/a>Jatob\u00e1 plant used by indigenous peoples for centuries surprises modern science. Credit: Joy Braga Cavalcante. Click image to enlarge.Modern lessons from ancient plant<\/p>\n