{"id":10162,"date":"2026-09-21T18:42:37","date_gmt":"2026-09-21T18:42:37","guid":{"rendered":"https:\/\/edenshealth.de\/wiki-archiv\/grapefruit-citrus-paradisi\/"},"modified":"2026-09-21T18:42:37","modified_gmt":"2026-09-21T18:42:37","slug":"grapefruit-citrus-paradisi","status":"publish","type":"page","link":"https:\/\/edenshealth.de\/en\/wiki-archiv\/grapefruit-citrus-paradisi\/","title":{"rendered":"Grapefruit (Citrus \u00d7 paradisi)"},"content":{"rendered":"<div style=\"position:relative;width:100%;min-height:340px;background:linear-gradient(135deg,#2c3e6b,#4a5fa5,#7d8fd1);border-radius:12px;margin:0 0 24px 0;display:flex;align-items:center;justify-content:center;padding:40px;\">\n<h1 style=\"color:#ffffff;margin:0;text-align:center;\">Grapefruit (Citrus \u00d7 paradisi)<\/h1>\n<\/div>\n<div class=\"eh-arch\">\n<div class=\"ea-steck\">\n<div>\n<div class=\"k\">Botanical name<\/div>\n<div class=\"v\">Citrus \u00d7 paradisi<small>Rutaceae (Citrus family), a hybrid of pomelo and orange<\/small><\/div>\n<\/div>\n<div>\n<div class=\"k\">is used<\/div>\n<div class=\"v\">pulp and juice<small>Bowl for aromas and oil<\/small><\/div>\n<\/div>\n<div>\n<div class=\"k\">The taste<\/div>\n<div class=\"v\">Sour and bitter, refreshing<small>red varieties are milder and sweeter<\/small><\/div>\n<\/div>\n<div>\n<div class=\"k\">Origin<\/div>\n<div class=\"v\">Caribbean, Barbados<small>originated in the 18th century as a chance crossbreeding<\/small><\/div>\n<\/div>\n<div>\n<div class=\"k\">Known for<\/div>\n<div class=\"v\">Drug interactions<small>inhibits the enzyme CYP3A4 in the intestine<\/small><\/div>\n<\/div>\n<div>\n<div class=\"k\">season<\/div>\n<div class=\"v\">October to April<small>almost exclusively imports<\/small><\/div>\n<\/div>\n<\/div>\n<div class=\"ea-body\">\n<nav class=\"ea-nav\">\n<div class=\"t\">On this page<\/div>\n<p><a href=\"#herkunft\">Origin<\/a><a href=\"#nutzen\">To use<\/a><a href=\"#inhalt\">Ingredients<\/a><a href=\"#kombi\">Reinforced combinations &amp; what clashes<\/a><a href=\"#gerichte\">In the kitchen<\/a><a href=\"#hausmittel\">As a home remedy<\/a><a href=\"#tradition\">Ayurveda &amp; TCM<\/a><a href=\"#warn\">Warning notices<\/a><a href=\"#passend\">Related to the topic<\/a><a href=\"#quellen\">Sources<\/a><\/p>\n<div class=\"box\"><b>In short<\/b><\/p>\n<p>Grapefruit is a refreshing citrus fruit rich in vitamin C, low in calories, and containing the characteristic bitter compound naringin. However, it is also the fruit with the most well-known drug interactions: its furanocoumarins block a breakdown enzyme in the intestines, causing some medications\u2014such as certain statins, blood pressure medications, and immunosuppressants\u2014to have a much stronger effect. Those taking medication should consult their doctor before consuming grapefruit.<\/p>\n<\/div>\n<\/nav>\n<div>\n<section class=\"ea-k\" id=\"herkunft\">\n<h2><span>Origin<\/span>The forbidden fruit from the Caribbean<\/h2>\n<div class=\"eh-kraeuter-img\"><img class=\"lazyload\" decoding=\"async\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271200%27%20height%3D%27800%27%20viewBox%3D%270%200%201200%20800%27%3E%3Crect%20width%3D%271200%27%20height%3D%27800%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/edenshealth.de\/wp-content\/uploads\/2026\/09\/grapefruit-citrus-paradisi.jpg\" alt=\"Halbierte rosa Grapefruit auf einem Holztisch\" style=\"width:100%;height:auto;border-radius:14px;border:2px solid rgba(201,162,75,0.4);box-shadow:0 8px 24px rgba(23,58,36,0.15);\" loading=\"lazy\"><\/div>\n<p class=\"ea-satz\">A Welsh priest described it in 1750 on Barbados as &quot;forbidden fruit&quot;.<\/p>\n<p class=\"ea-drop\">Unlike most citrus fruits, the grapefruit did not originate in Asia. It arose in the 18th century on Barbados as an accidental cross between the pomelo, which sailors had brought from Southeast Asia, and the sweet orange. It likely owes its English name to the fruits, which hang in clusters on the tree like grapes. The botanical name <em>paradise<\/em> It is reminiscent of the &quot;fruit of paradise&quot;.<\/p>\n<p>In the 19th century, the grapefruit arrived in Florida, where red varieties such as Ruby Red and Star Ruby also originated. In Germany, it comes primarily from Spain, Israel, Turkey, South Africa, and the USA. The Sweetie is a cross between a grapefruit and a pomelo \u2013 milder, but with the same interactions.<\/p>\n<\/section>\n<section class=\"ea-k\" id=\"nutzen\">\n<h2><span>To use<\/span>What grapefruit does for you<\/h2>\n<p class=\"ea-drop\">One red grapefruit provides approximately 31 mg per 100 g. <strong>Vitamin C<\/strong>, It contains approximately 1.6 g of fiber, 135 mg of potassium, and only about 42 kcal. Half a fruit thus covers a good third of the daily requirement for vitamin C. Red and pink varieties contain additional nutrients. <strong>Beta-carotene<\/strong> and <strong>Lycopene<\/strong>, white ones contain more bitter substances.<\/p>\n<p>The bitter substance <strong>Naringin<\/strong> It provides the typical tart flavor and stimulates saliva and digestive juices. Its reputation as a slimming aid also stems primarily from diet books: In a small study, overweight participants who ate half a grapefruit before each meal lost about 1.6 kg over twelve weeks, while the placebo group lost 0.3 kg. This suggests it&#039;s a filling appetizer, not a &quot;fat burner.&quot;.<\/p>\n<p>But the most important characteristic is a delicate one: <strong>Furanocoumarins<\/strong> Bergamottin permanently inhibits the enzyme in the intestine <strong>CYP3A4<\/strong>, The vasculature, which breaks down many medications before they enter the bloodstream, is affected. If it fails, the amount of the active ingredient in the blood increases\u2014in the case of simvastatin, by several times in studies. According to a review from Canada, this affects over 85 medications, 43 of which have potentially serious consequences. Even a whole fruit or a glass of juice (200 ml) can be enough to trigger an adverse reaction, and the effect can last for up to three days.<\/p>\n<div class=\"ea-zahlen\">\n<div class=\"ea-zahl\"><b>approx. 31 mg<\/b><span>Vitamin C per 100 g (red grapefruit)<\/span><\/div>\n<div class=\"ea-zahl\"><b>over 85<\/b><span>Drugs with known interactions<\/span><\/div>\n<div class=\"ea-zahl\"><b>200 ml<\/b><span>Juice may be sufficient.<\/span><\/div>\n<div class=\"ea-zahl\"><b>up to 3 days<\/b><span>The enzyme inhibition persists<\/span><\/div>\n<\/div>\n<\/section>\n<section class=\"ea-k\" id=\"inhalt\">\n<h2><span>Ingredients<\/span>This is what&#039;s in the grapefruit<\/h2>\n<p>Grapefruits consist of approximately 88% water and contain fructose, citric acid, vitamin C, folate, potassium, pectin, and flavonoids such as naringin, naringenin, and hesperidin. Red varieties provide lycopene and beta-carotene. The pulp, juice, and especially the peel contain furanocoumarins such as bergamottin and 6\u2032,7\u2032-dihydroxybergamottin; nootkatone in the peel oil is responsible for the characteristic aroma.<\/p>\n<p>That furanocoumarins, and not flavonoids, trigger the interaction was demonstrated in 2006 by a grapefruit juice from which they had been removed: it no longer altered the blood levels of the blood pressure reducer felodipine.<\/p>\n<\/section>\n<section class=\"ea-k\" id=\"kombi\">\n<h2><span>Enhanced combinations<\/span>What makes grapefruit stronger<\/h2>\n<p>The bitterness of grapefruit needs partners to round it off - and distance from anything that comes in tablet form.<\/p>\n<div class=\"ea-kombi\">\n<div class=\"c\"><span class=\"tag\">lettuce<\/span><\/p>\n<div class=\"mit\">with <i>Avocado &amp; Lamb&#039;s Lettuce<\/i><\/div>\n<p>Fat reduces the bitterness, and carotenoids are absorbed better.<\/p>\n<\/div>\n<div class=\"c\"><span class=\"tag\">Breakfast<\/span><\/p>\n<div class=\"mit\">with <i>natural yogurt<\/i><\/div>\n<p>Add protein, less acid in the stomach.<\/p>\n<\/div>\n<div class=\"c\"><span class=\"tag\">sweetness<\/span><\/p>\n<div class=\"mit\">with <i>a little honey or cinnamon<\/i><\/div>\n<p>It softens the bitterness without much sugar.<\/p>\n<\/div>\n<div class=\"c\"><span class=\"tag\">Herbs<\/span><\/p>\n<div class=\"mit\">with <i>Mint &amp; Fennel<\/i><\/div>\n<p>Freshness and anise notes.<\/p>\n<\/div>\n<div class=\"c\"><span class=\"tag\">iron<\/span><\/p>\n<div class=\"mit\">with <i>Lentils or spinach<\/i><\/div>\n<p>Vitamin C helps with the absorption of plant-based iron.<\/p>\n<\/div>\n<div class=\"c\"><span class=\"tag\">Fish<\/span><\/p>\n<div class=\"mit\">with <i>Salmon or shrimp<\/i><\/div>\n<p>Classic salad with Omega-3.<\/p>\n<\/div>\n<\/div>\n<h3 class=\"ea-beisst-h\"><span>What contradicts itself<\/span>It&#039;s best to avoid these combinations.<\/h3>\n<div class=\"ea-kombi beisst\">\n<div class=\"c\"><span class=\"tag\">Statin<\/span><\/p>\n<div class=\"mit\">not with <i>Simvastatin, lovastatin, atorvastatin<\/i><\/div>\n<p>More active ingredient in the blood, risk of muscle damage.<\/p>\n<\/div>\n<div class=\"c\"><span class=\"tag\">blood pressure<\/span><\/p>\n<div class=\"mit\">not with <i>Felodipine, nifedipine &amp; Co.<\/i><\/div>\n<p>Blood pressure can drop too low.<\/p>\n<\/div>\n<div class=\"c\"><span class=\"tag\">transplantation<\/span><\/p>\n<div class=\"mit\">not with <i>Cyclosporine or Tacrolimus<\/i><\/div>\n<p>Levels rise, kidneys are at risk.<\/p>\n<\/div>\n<div class=\"c\"><span class=\"tag\">Cancer therapy<\/span><\/p>\n<div class=\"mit\">not with <i>many tyrosine kinase inhibitors<\/i><\/div>\n<p>Speak to the treatment team beforehand.<\/p>\n<\/div>\n<div class=\"c\"><span class=\"tag\">Distance<\/span><\/p>\n<div class=\"mit\">not on <i>time interval<\/i> leave<\/div>\n<p>The inhibition lasts up to three days.<\/p>\n<\/div>\n<div class=\"c\"><span class=\"tag\">stomach<\/span><\/p>\n<div class=\"mit\">not at <i>heartburn<\/i> sober<\/div>\n<p>The acid is irritating.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"ea-k\" id=\"gerichte\">\n<h2><span>In the kitchen<\/span>Where she belongs<\/h2>\n<ul class=\"ea-gerichte\">\n<li><span class=\"g\">Half a grapefruit<\/span><span class=\"w\">Eaten straight from the spoon for breakfast.<\/span><\/li>\n<li><span class=\"g\">Grapefruit and avocado salad<\/span><span class=\"w\">With lamb&#039;s lettuce and nuts.<\/span><\/li>\n<li><span class=\"g\">Fennel salad<\/span><span class=\"w\">With grapefruit segments and olive oil.<\/span><\/li>\n<li><span class=\"g\">Shrimp salad<\/span><span class=\"w\">Asian style with coriander.<\/span><\/li>\n<li><span class=\"g\">Gratinated grapefruit<\/span><span class=\"w\">Briefly place under the grill with a little brown sugar.<\/span><\/li>\n<li><span class=\"g\">Grapefruit yogurt<\/span><span class=\"w\">With fillets and mint.<\/span><\/li>\n<li><span class=\"g\">dressing<\/span><span class=\"w\">Juice, mustard and oil for winter salads.<\/span><\/li>\n<li><span class=\"g\">jam<\/span><span class=\"w\">Made with the peel of organic fruit.<\/span><\/li>\n<li><span class=\"g\">Splashes<\/span><span class=\"w\">Fresh juice with mineral water.<\/span><\/li>\n<li><span class=\"g\">Paloma<\/span><span class=\"w\">Mexican long drink, non-alcoholic with soda.<\/span><\/li>\n<\/ul>\n<div class=\"ea-tipp\"><b>Rule of thumb:<\/b> To fillet, cut off a slice from the top and bottom, remove the peel and white membrane, and loosen the fillets between the membranes. Squeeze the remaining flesh over a bowl to extract any excess liquid.<\/div>\n<\/section>\n<section class=\"ea-k\" id=\"hausmittel\">\n<h2><span>As a home remedy<\/span>Grapefruit as a bitter appetizer<\/h2>\n<div class=\"ea-rezept\">\n<div>\n<div class=\"k\">Here&#039;s how it works<\/div>\n<h3>Grapefruit appetizer<\/h3>\n<ol>\n<li>Cut half a grapefruit in half crosswise and separate the segments with a small knife.<\/li>\n<li>Sprinkle with a pinch of cinnamon if desired - without sugar.<\/li>\n<li>Spoon it out slowly about 15 minutes before eating.<\/li>\n<li>Drink a glass of water with it.<\/li>\n<\/ol>\n<\/div>\n<div>\n<div class=\"k\">For what<\/div>\n<p>As a low-calorie, bitter appetizer that curbs the appetite and stimulates digestion - like a salad before the main course.<\/p>\n<div class=\"k\" style=\"margin-top:14px\">Crowd<\/div>\n<p>Half a fruit before a meal. Only if you are not taking any medication that may affect it \u2013 if in doubt, ask your doctor or pharmacist.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"ea-k\" id=\"tradition\">\n<h2><span>Ayurveda &amp; TCM<\/span>What the old systems say<\/h2>\n<div class=\"ea-trad\">\n<div>\n<h3>Ayurveda<\/h3>\n<p>Grapefruit is not described in classical Ayurveda. According to modern classification, it is considered sour and bitter, cooling and light \u2013 balancing for Kapha, but only moderately suitable for Pitta and not to be consumed on an empty stomach.<\/p>\n<\/div>\n<div>\n<h3>Traditional Chinese Medicine<\/h3>\n<p>In Traditional Chinese Medicine (TCM), grapefruit is classified as a pomelo (You Zi): cool, sweet-sour, and associated with the stomach and lungs. It is said to resolve food stagnation and refresh in hot weather; the peel is considered to move Qi.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"ea-k\" id=\"warn\">\n<h2><span>Warning notices<\/span>When you should be careful<\/h2>\n<div class=\"ea-warn\">\n<h3>Please note<\/h3>\n<ul>\n<li><strong>Medications:<\/strong> Grapefruit and its juice can significantly increase the effects of many medications\u2014for example, some statins, calcium channel blockers, immunosuppressants, and cancer drugs. Read the package insert or ask at the pharmacy.<\/li>\n<li><strong>Related:<\/strong> Pomelo, Sweetie, bitter orange (Seville orange) and limes also contain furanocoumarins.<\/li>\n<li><strong>No distance:<\/strong> The enzyme inhibition lasts up to three days - a time interval between taking the tablet and the medication does not provide reliable protection.<\/li>\n<li><strong>Stomach and teeth:<\/strong> The acid can cause discomfort in cases of reflux and sensitive tooth enamel; rinse with water after eating.<\/li>\n<\/ul>\n<\/div>\n<p class=\"ea-hinw\">This page provides information and does not replace medical advice. If symptoms persist, please consult a doctor.<\/p>\n<\/section>\n<section class=\"ea-k\" id=\"passend\">\n<h2><span>Related to the topic<\/span>Read on and cook along!<\/h2>\n<div class=\"ea-passend\"><a href=\"\/en\/wiki-archiv\/orange-citrus-sinensis\/\"><span class=\"art\">Archive<\/span><span class=\"n\">Orange<\/span><span class=\"d\">The parent fruit without interaction.<\/span><\/a><a href=\"\/en\/wiki-archiv\/limette-citrus-aurantiifolia\/\"><span class=\"art\">Archive<\/span><span class=\"n\">lime<\/span><span class=\"d\">Also containing furanocoumarins.<\/span><\/a><a href=\"\/en\/wiki-archiv\/johanniskraut-hypericum-perforatum-2\/\"><span class=\"art\">Archive<\/span><span class=\"n\">St. John&#039;s wort<\/span><span class=\"d\">The other major interaction.<\/span><\/a><a href=\"\/en\/wiki-archiv\/avocado-persea-americana\/\"><span class=\"art\">Archive<\/span><span class=\"n\">avocado<\/span><span class=\"d\">The creamy salad partner.<\/span><\/a><a href=\"\/en\/wiki-archiv\/fenchelknolle-foeniculum-vulgare-azoricum\/\"><span class=\"art\">Archive<\/span><span class=\"n\">fennel bulb<\/span><span class=\"d\">Classic with grapefruit segments.<\/span><\/a><a href=\"\/en\/product\/vitamin-c-aus-acerola\/\"><span class=\"art\">Our shop<\/span><span class=\"n\">Vitamin C from acerola<\/span><span class=\"d\">Vitamin C without the grapefruit risk.<\/span><\/a><\/div>\n<p class=\"ea-hinw\">Shop links lead to our product pages; it is indicated there if a partner is involved.<\/p>\n<\/section>\n<section class=\"ea-k ea-quellen\" id=\"quellen\">\n<h2><span>Sources<\/span>What is this based on?<\/h2>\n<ol>\n<li>Bailey DG, Dresser G, Arnold JMO. <em>Grapefruit\u2013medication interactions: forbidden fruit or avoidable consequences?<\/em> CMAJ 2013; 185(4): 309\u2013316.<\/li>\n<li>Bailey DG, Spence JD, Munoz C, Arnold JM. <em>Interaction of citrus juices with felodipine and nifedipine.<\/em> Lancet 1991; 337: 268\u2013269.<\/li>\n<li>Paine MF et al. <em>A furanocoumarin-free grapefruit juice establishes furanocoumarins as the mediators of the grapefruit juice\u2013felodipine interaction.<\/em> American Journal of Clinical Nutrition 2006; 83(5): 1097\u20131105.<\/li>\n<li>Fujioka K, Greenway F, Sheard J, Ying Y. <em>The effects of grapefruit on weight and insulin resistance: relationship to the metabolic syndrome.<\/em> Journal of Medicinal Food 2006; 9(1): 49\u201354.<\/li>\n<li>Cancer Information Service, German Cancer Research Center: <em>Citrus fruits and interactions with cancer medications.<\/em> 2025.<\/li>\n<li>USDA FoodData Central: <em>Grapefruit, raw, pink and red<\/em>.<\/li>\n<\/ol>\n<\/section>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Grapefruit (Citrus \u00d7 paradisi) Botanischer Name Citrus \u00d7 paradisiRautengew\u00e4chse (Rutaceae), Kreuzung aus Pampelmuse und Orange Verwendet wird Fruchtfleisch und SaftSchale f\u00fcr Aromen und \u00d6l Geschmack S\u00e4uerlich-bitter, erfrischendrote Sorten milder und s\u00fc\u00dfer Herkunft Karibik, Barbadosentstand im 18. Jahrhundert als Zufallskreuzung Bekannt f\u00fcr Wechselwirkungen mit Medikamentenhemmt das Enzym CYP3A4 im Darm Saison Oktober bis Aprilfast ausschlie\u00dflich Import<\/p>","protected":false},"author":1,"featured_media":10161,"parent":5278,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-10162","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/edenshealth.de\/en\/wp-json\/wp\/v2\/pages\/10162","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/edenshealth.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/edenshealth.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/edenshealth.de\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/edenshealth.de\/en\/wp-json\/wp\/v2\/comments?post=10162"}],"version-history":[{"count":0,"href":"https:\/\/edenshealth.de\/en\/wp-json\/wp\/v2\/pages\/10162\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/edenshealth.de\/en\/wp-json\/wp\/v2\/pages\/5278"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/edenshealth.de\/en\/wp-json\/wp\/v2\/media\/10161"}],"wp:attachment":[{"href":"https:\/\/edenshealth.de\/en\/wp-json\/wp\/v2\/media?parent=10162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}