METHOXYLATED FLAVONES

OTHER NAME(S):

5-Methyl-7-Methoxy Isoflavone, 5,6,7,8,4'-pentamethoxyflavone, 5,6,7,3',4'-pentamethoxyflavone, 5,6,7,8,3',4'-hexamethoxyflavone, 3,5,6,7,8,3',4'-heptamethoxyflavone, Bioflavonoid, Bioflavonoïde, Bioflavonoid Complex, Bioflavonoid Concentrate, Bioflavonoid Extract, Citrus Bioflavones, Citrus Bioflavonoid Extract, Citrus Bioflavonoid, Citrus Bioflavonoids, Citrus Flavones, Citrus Flavonoids, Citrus Polymethoxylated Flavones, Complexe de Bioflavonoïde, Concentré de Bioflavonoïde, Extrait de Bioflavonoïde, Flavonas Metoxiladas, Flavones Méthoxylées, Flavonoids, Flavonoïdes, Flavonoïdes Méthoxylés, Gardenin D, Heptamethoxyflavones, Hexamethoxyflavones, Methoxyflavones, Méthoxyflavones, Methoxylated flavonoids, Nobiletin, Nobilétine, Pentamethoxyflavones, PMF, Polyméthoxyflavones, Polymethoxylated Flavones, Sinensetin, Sinensétine, Tangeretin, Tangerétine, Tetramethoxyflavones.<br/><br/>

Overview

Overview Information

Flavonoids are pigments found in plants. They are responsible for many of the yellow, red, and orange colors in plants. Flavonoids are divided into groups based on slight differences in chemical structure. Flavones are one of the groups. Methoxylated flavones are a subdivision of that group. Methoxylated flavones are found in especially large amounts in citrus fruits.

Over 4000 different flavonoids have been identified from various plant sources. Common food sources include red wine, stems, flowers, fruits, vegetables, nuts, seeds, herbs, spices, coffee, and teas.

In 1936, some scientists suggested that flavonoids be recognized as vitamins. They believed that flavonoids were necessary to protect the health of capillaries, the smallest blood vessels. But there wasn't enough evidence to justify classifying flavonoids as vitamins at that time.

Methoxylated flavones are sometimes taken by mouth for poor circulation in the legs (venous insufficiency), varicose veins (enlarged veins that appear on the skin), heart disease, high cholesterol, cataracts, and cancer. But there is no good scientific research to support any of these uses.

How does it work?

Methoxylated flavones are natural antioxidants and might reduce inflammation (swelling). They might also affect the way the liver processes cholesterol and other blood fats. Scientists think methoxylated flavones might also reduce the spread of cancer cells. But more information is needed.

Uses

Uses & Effectiveness?

Insufficient Evidence for

More evidence is needed to rate the effectiveness of methoxylated flavones for these uses.

Side Effects

Side Effects & Safety

Methoxylated flavones are a normal part of the diet. They are LIKELY SAFE when consumed as part of food. But there isn't enough information available to know if taking amounts greater than those commonly found in food or taking supplements containing methoxylated flavones is safe.

Special Precautions & Warnings:

Pregnancy and breast-feeding: Methoxylated flavones are safe for pregnant and breast-feeding women when used as part of the diet. But the safety of methoxylated flavones during pregnancy and breast-feeding is not known when used in amounts greater than those commonly found in foods. It's best to stay on the safe side and limit intake to food amounts.

Surgery: Methoxylated flavones can slow blood clotting. There is some concern that they might increase the risk of bleeding during and after surgery. Stop taking methoxylated flavones supplements at least 2 weeks before a scheduled surgery.

Interactions

Interactions?

Moderate Interaction

Be cautious with this combination

!

  • Medications changed by the liver (Cytochrome P450 1A2 (CYP1A2) substrates) interacts with METHOXYLATED FLAVONES

    Some medications are changed and broken down by the liver.<br><nb>Methoxylated flavones might increase how quickly the liver breaks down some medications. Taking methoxylated flavones along with some medications that are changed by the liver might decrease the effects of some medications. Before taking methoxylated flavones talk to your healthcare provider if you take any medications that are changed by the liver.<br><nb>Some of these medications that are changed by the liver include clozapine (Clozaril), cyclobenzaprine (Flexeril), fluvoxamine (Luvox), haloperidol (Haldol), imipramine (Tofranil), mexiletine (Mexitil), olanzapine (Zyprexa), pentazocine (Talwin), propranolol (Inderal), tacrine (Cognex), theophylline, zileuton (Zyflo), zolmitriptan (Zomig), and others.

  • Medications moved by pumps in cells (P-Glycoprotein substrates) interacts with METHOXYLATED FLAVONES

    Some medications are moved by pumps in cells. Some methoxylated flavones might change how these pumps work and increase how much of some medications get absorbed by the body.<br><nb>Some medications that are moved by these pumps include etoposide, paclitaxel, vinblastine, vincristine, vindesine, ketoconazole, itraconazole, amprenavir, indinavir, nelfinavir, saquinavir, cimetidine, ranitidine, diltiazem, verapamil, corticosteroids, erythromycin, cisapride (Propulsid), fexofenadine (Allegra), cyclosporine, loperamide (Imodium), quinidine, and others.

  • Medications that slow blood clotting (Anticoagulant / Antiplatelet drugs) interacts with METHOXYLATED FLAVONES

    Some methoxylated flavones might slow blood clotting. Taking methoxylated flavones along with medications that also slow clotting might increase the chances of bruising and bleeding.<br><nb>Some medications that slow blood clotting include aspirin, clopidogrel (Plavix), diclofenac (Voltaren, Cataflam, others), ibuprofen (Advil, Motrin, others), naproxen (Anaprox, Naprosyn, others), dalteparin (Fragmin), enoxaparin (Lovenox), heparin, warfarin (Coumadin), and others.

Dosing

Dosing

The appropriate dose of methoxylated flavones depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for methoxylated flavones. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult your pharmacist or physician or other healthcare professional before using.

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View References

REFERENCES:

  • Ayatollahi AM, Ghanadian M, Att-Ur-Rahman R, Mesaik MA, Khalid AS, Adeli F. Methoxylated flavones from Salvia Mirzayanii Rech. f. and Esfand with immunosuppressive properties. Iran J Pharm Res 2015;14(3):955-60. View abstract.
  • Feng SL, Yuan ZW, Yao XJ, et al. Tangeretin, a citrus pentamethoxyflavone, antagonizes ABCB1-mediated multidrug resistance by inhibiting its transport function. Pharmacol Res 2016;110:193-204. View abstract.
  • Kurowska EM, Manthey JA. Hypolipidemic Effects and Absorption of Citrus Polymethoxylated Flavones in Hamsters with Diet-Induced Hypercholesterolemia. J Agric Food Chem 2004;52:2879-86. View abstract.
  • Manthey JA, Cesar TB, Jackson E, Mertens-Talcott S. Pharmacokinetic study of nobiletin and tangeretin in rat serum by high-performance liquid chromatography-electrospray ionization-mass spectrometry. J Agric Food Chem 2011;59(1):145-51. View abstract.
  • Manthey JA, Guthrie N. Antiproliferative effects of citrus flavonoids against six human cancer cell lines. J Agric Food Chem 2002;50:5837-43. View abstract.
  • Middleton E, Kandaswami C, Theoharides TC. The effects of plant flavonoids on mammalian cells: implications for inflammation, heart disease, and cancer. Pharmacol Rev 2000;52:673-751. View abstract.
  • Robbins RC. Action in human blood of methoxylated flavones which confer disease resistance on both plants and animals: Concept of a dietary conditioned mechanism of defense against disease. Internat J Vit Nutr Res 1975;45:51-60. View abstract.
  • Robbins RC. Effect of methoxylated flavones on erythrocyte aggregation and sedimentation in blood of normal subjects: Evidence of a dietary role for flavonoids. Internat J Vit Nutr Res 1973;43:494-503.
  • Robbins RC. In vitro effects of penta-, hexa-, and hepta-methoxylated flavones on aggregation of cells in blood from hospitalized patients. J Clin Pharmacol 1973;13:271-5.
  • Robbins RC. Specificities between blood cell adhesion in human diseases and antiadhesion action in vitro of methoxylated flavones. J Clin Pharmacol 1973;13:401-7.
  • Robbins RC. Stabilization of flow properties of blood with phenylbenzo-y-pyrone derivatives (Flavonoids). Internat J Vit Nutr Res 1977;47:373-82. View abstract.
  • Takanaga H, Ohnishi A, Yamada S, et al. Polymethoxylated flavones in orange juice are inhibitors of P-glycoprotein but not cytochrome P450 3A4. J Pharmacol Exp Ther 2000;293:230-6. View abstract.
  • Wudtiwai B, Sripanidkulchai B, Kongtawelert P, Banjerdpongchai R. Methoxyflavone derivatives modulate the effect of TRAIL-induced apoptosis in human leukemic cell lines. J Hematol Oncol 2011;4:52. View abstract.

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CONDITIONS OF USE AND IMPORTANT INFORMATION: This information is meant to supplement, not replace advice from your doctor or healthcare provider and is not meant to cover all possible uses, precautions, interactions or adverse effects. This information may not fit your specific health circumstances. Never delay or disregard seeking professional medical advice from your doctor or other qualified health care provider because of something you have read on WebMD. You should always speak with your doctor or health care professional before you start, stop, or change any prescribed part of your health care plan or treatment and to determine what course of therapy is right for you.

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© Therapeutic Research Faculty 2018.