Titre : Catéchine

Catéchine : Questions médicales fréquentes

Termes MeSH sélectionnés :

Testosterone

Questions fréquentes et termes MeSH associés

Diagnostic 2

#1

Comment mesurer les niveaux de catéchines dans le corps ?

Les niveaux de catéchines peuvent être mesurés par des analyses sanguines ou urinaires.
Catéchines Analyse sanguine
#2

Quels tests sont utilisés pour évaluer l'impact des catéchines ?

Des tests cliniques et des études d'observation sont utilisés pour évaluer leur impact.
Catéchines Études cliniques

Symptômes 2

#1

Quels sont les effets secondaires des catéchines ?

Les effets secondaires peuvent inclure des maux d'estomac, des nausées ou des maux de tête.
Effets secondaires Catéchines
#2

Les catéchines provoquent-elles des allergies ?

Les allergies aux catéchines sont rares, mais peuvent survenir chez certaines personnes.
Allergies Catéchines

Prévention 2

#1

Les catéchines aident-elles à prévenir les maladies cardiaques ?

Oui, elles peuvent réduire le risque de maladies cardiaques en améliorant la santé vasculaire.
Maladies cardiaques Prévention
#2

Comment intégrer les catéchines dans l'alimentation ?

Consommer du thé vert, des fruits et des légumes riches en catéchines est recommandé.
Alimentation Catéchines

Traitements 2

#1

Les catéchines peuvent-elles traiter des maladies ?

Elles sont étudiées pour leur potentiel dans le traitement de maladies comme le cancer.
Traitement du cancer Catéchines
#2

Comment les catéchines aident-elles à la perte de poids ?

Elles peuvent augmenter le métabolisme et favoriser la combustion des graisses.
Perte de poids Métabolisme

Complications 2

#1

Les catéchines peuvent-elles interagir avec des médicaments ?

Oui, elles peuvent interagir avec certains médicaments, notamment les anticoagulants.
Interactions médicamenteuses Catéchines
#2

Quels risques sont associés à une consommation excessive de catéchines ?

Une consommation excessive peut entraîner des problèmes hépatiques ou des troubles digestifs.
Toxicité Catéchines

Facteurs de risque 2

#1

Qui devrait éviter les catéchines ?

Les personnes ayant des problèmes hépatiques ou des allergies doivent être prudentes.
Facteurs de risque Catéchines
#2

Les femmes enceintes peuvent-elles consommer des catéchines ?

Elles doivent consulter un médecin avant de consommer des catéchines en grande quantité.
Grossesse Catéchines
{ "@context": "https://schema.org", "@graph": [ { "@type": "MedicalWebPage", "name": "Catéchine : Questions médicales les plus fréquentes", "headline": "Catéchine : Comprendre les symptômes, diagnostics et traitements", "description": "Guide complet et accessible sur les Catéchine : explications, diagnostics, traitements et prévention. Information médicale validée destinée aux patients.", "datePublished": "2024-05-14", "dateModified": "2025-05-09", "inLanguage": "fr", "medicalAudience": [ { "@type": "MedicalAudience", "name": "Grand public", "audienceType": "Patient", "healthCondition": { "@type": "MedicalCondition", "name": "Catéchine" }, "suggestedMinAge": 18, "suggestedGender": "unisex" }, { "@type": "MedicalAudience", "name": "Médecins", "audienceType": "Physician", "geographicArea": { "@type": "AdministrativeArea", "name": "France" } }, { "@type": "MedicalAudience", "name": "Chercheurs", "audienceType": "Researcher", "geographicArea": { "@type": "AdministrativeArea", "name": "International" } } ], "reviewedBy": { "@type": "Person", "name": "Dr Olivier Menir", "jobTitle": "Expert en Médecine", "description": "Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale", "url": "/static/pages/docteur-olivier-menir.html", "alumniOf": { "@type": "EducationalOrganization", "name": "Université Paris Descartes" } }, "isPartOf": { "@type": "MedicalWebPage", "name": "Flavonoïdes", "url": "https://questionsmedicales.fr/mesh/D005419", "about": { "@type": "MedicalCondition", "name": "Flavonoïdes", "code": { "@type": "MedicalCode", "code": "D005419", "codingSystem": "MeSH" }, "identifier": { "@type": "PropertyValue", "propertyID": "MeSH Tree", "value": "D03.633.100.150.266.450" } } }, "about": { "@type": "MedicalCondition", "name": "Catéchine", "alternateName": "Catechin", "code": { "@type": "MedicalCode", "code": "D002392", "codingSystem": "MeSH" } }, "author": [ { "@type": "Person", "name": "Jae Sik Yu", "url": "https://questionsmedicales.fr/author/Jae%20Sik%20Yu", "affiliation": { "@type": "Organization", "name": "School of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea." } }, { "@type": "Person", "name": "Ki Hyun Kim", "url": "https://questionsmedicales.fr/author/Ki%20Hyun%20Kim", "affiliation": { "@type": "Organization", "name": "School of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea." } }, { "@type": "Person", "name": "Masaharu Shin-Ya", "url": "https://questionsmedicales.fr/author/Masaharu%20Shin-Ya", "affiliation": { "@type": "Organization", "name": "Department of Immunology, Kyoto Prefectural University of Medicine, Kyoto, Japan." } }, { "@type": "Person", "name": "Eriko Ohgitani", "url": "https://questionsmedicales.fr/author/Eriko%20Ohgitani", "affiliation": { "@type": "Organization", "name": "Department of Immunology, Kyoto Prefectural University of Medicine, Kyoto, Japan." } }, { "@type": "Person", "name": "Masaya Kawamoto", "url": "https://questionsmedicales.fr/author/Masaya%20Kawamoto", "affiliation": { "@type": "Organization", "name": "Department of Immunology, Kyoto Prefectural University of Medicine, Kyoto, Japan." } } ], "citation": [ { "@type": "ScholarlyArticle", "name": "[Testosterone treatment].", "datePublished": "2022-10-24", "url": "https://questionsmedicales.fr/article/36279006", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1007/s00120-022-01957-7" } }, { "@type": "ScholarlyArticle", "name": "Testosterone Assays.", "datePublished": "2022-10-07", "url": "https://questionsmedicales.fr/article/36309422", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1016/j.ucl.2022.07.009" } }, { "@type": "ScholarlyArticle", "name": "Circulating dihydrotestosterone, testosterone, and free testosterone levels and dihydrotestosterone-to-testosterone ratios in healthy women across the menstrual cycle.", "datePublished": "2022-11-09", "url": "https://questionsmedicales.fr/article/36371319", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1016/j.fertnstert.2022.09.011" } }, { "@type": "ScholarlyArticle", "name": "Baseline Testosterone Predicts Body Composition and Metabolic Response to Testosterone Therapy.", "datePublished": "2022-07-11", "url": "https://questionsmedicales.fr/article/35898448", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.3389/fendo.2022.915309" } }, { "@type": "ScholarlyArticle", "name": "[Testosterone and Alzheimer's disease].", "datePublished": "2022-06-24", "url": "https://questionsmedicales.fr/article/36337024", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.14341/probl13136" } } ], "breadcrumb": { "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "questionsmedicales.fr", "item": "https://questionsmedicales.fr" }, { "@type": "ListItem", "position": 2, "name": "Composés hétérocycliques", "item": "https://questionsmedicales.fr/mesh/D006571" }, { "@type": "ListItem", "position": 3, "name": "Composés hétérocycliques à cycles fusionnés", "item": "https://questionsmedicales.fr/mesh/D000072471" }, { "@type": "ListItem", "position": 4, "name": "Composés hétérobicycliques", "item": "https://questionsmedicales.fr/mesh/D006574" }, { "@type": "ListItem", "position": 5, "name": "Benzopyranes", "item": "https://questionsmedicales.fr/mesh/D001578" }, { "@type": "ListItem", "position": 6, "name": "4H-1-Benzopyran-4-ones", "item": "https://questionsmedicales.fr/mesh/D002867" }, { "@type": "ListItem", "position": 7, "name": "Flavonoïdes", "item": "https://questionsmedicales.fr/mesh/D005419" }, { "@type": "ListItem", "position": 8, "name": "Catéchine", "item": "https://questionsmedicales.fr/mesh/D002392" } ] } }, { "@type": "MedicalWebPage", "name": "Article complet : Catéchine - Questions et réponses", "headline": "Questions et réponses médicales fréquentes sur Catéchine", "description": "Une compilation de questions et réponses structurées, validées par des experts médicaux.", "datePublished": "2025-05-17", "inLanguage": "fr", "hasPart": [ { "@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Catéchine", "description": "Comment mesurer les niveaux de catéchines dans le corps ?\nQuels tests sont utilisés pour évaluer l'impact des catéchines ?", "url": "https://questionsmedicales.fr/mesh/D002392?mesh_terms=Testosterone#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Catéchine", "description": "Quels sont les effets secondaires des catéchines ?\nLes catéchines provoquent-elles des allergies ?", "url": "https://questionsmedicales.fr/mesh/D002392?mesh_terms=Testosterone#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Catéchine", "description": "Les catéchines aident-elles à prévenir les maladies cardiaques ?\nComment intégrer les catéchines dans l'alimentation ?", "url": "https://questionsmedicales.fr/mesh/D002392?mesh_terms=Testosterone#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Catéchine", "description": "Les catéchines peuvent-elles traiter des maladies ?\nComment les catéchines aident-elles à la perte de poids ?", "url": "https://questionsmedicales.fr/mesh/D002392?mesh_terms=Testosterone#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Catéchine", "description": "Les catéchines peuvent-elles interagir avec des médicaments ?\nQuels risques sont associés à une consommation excessive de catéchines ?", "url": "https://questionsmedicales.fr/mesh/D002392?mesh_terms=Testosterone#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Catéchine", "description": "Qui devrait éviter les catéchines ?\nLes femmes enceintes peuvent-elles consommer des catéchines ?", "url": "https://questionsmedicales.fr/mesh/D002392?mesh_terms=Testosterone#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment mesurer les niveaux de catéchines dans le corps ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Les niveaux de catéchines peuvent être mesurés par des analyses sanguines ou urinaires." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour évaluer l'impact des catéchines ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests cliniques et des études d'observation sont utilisés pour évaluer leur impact." } }, { "@type": "Question", "name": "Quels sont les effets secondaires des catéchines ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Les effets secondaires peuvent inclure des maux d'estomac, des nausées ou des maux de tête." } }, { "@type": "Question", "name": "Les catéchines provoquent-elles des allergies ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Les allergies aux catéchines sont rares, mais peuvent survenir chez certaines personnes." } }, { "@type": "Question", "name": "Les catéchines aident-elles à prévenir les maladies cardiaques ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles peuvent réduire le risque de maladies cardiaques en améliorant la santé vasculaire." } }, { "@type": "Question", "name": "Comment intégrer les catéchines dans l'alimentation ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Consommer du thé vert, des fruits et des légumes riches en catéchines est recommandé." } }, { "@type": "Question", "name": "Les catéchines peuvent-elles traiter des maladies ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Elles sont étudiées pour leur potentiel dans le traitement de maladies comme le cancer." } }, { "@type": "Question", "name": "Comment les catéchines aident-elles à la perte de poids ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Elles peuvent augmenter le métabolisme et favoriser la combustion des graisses." } }, { "@type": "Question", "name": "Les catéchines peuvent-elles interagir avec des médicaments ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles peuvent interagir avec certains médicaments, notamment les anticoagulants." } }, { "@type": "Question", "name": "Quels risques sont associés à une consommation excessive de catéchines ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Une consommation excessive peut entraîner des problèmes hépatiques ou des troubles digestifs." } }, { "@type": "Question", "name": "Qui devrait éviter les catéchines ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Les personnes ayant des problèmes hépatiques ou des allergies doivent être prudentes." } }, { "@type": "Question", "name": "Les femmes enceintes peuvent-elles consommer des catéchines ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Elles doivent consulter un médecin avant de consommer des catéchines en grande quantité." } } ] } ] }
Dr Olivier Menir

Contenu validé par Dr Olivier Menir

Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale


Validation scientifique effectuée le 09/05/2025

Contenu vérifié selon les dernières recommandations médicales

Auteurs principaux

Jae Sik Yu

2 publications dans cette catégorie

Affiliations :
  • School of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea.
Publications dans "Catéchine" :

Ki Hyun Kim

2 publications dans cette catégorie

Affiliations :
  • School of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea.
Publications dans "Catéchine" :

Masaharu Shin-Ya

2 publications dans cette catégorie

Affiliations :
  • Department of Immunology, Kyoto Prefectural University of Medicine, Kyoto, Japan.
  • Department of Molecular Anti-Virus Immunology, Kyoto Prefectural University of Medicine, Kyoto, Japan.

Eriko Ohgitani

2 publications dans cette catégorie

Affiliations :
  • Department of Immunology, Kyoto Prefectural University of Medicine, Kyoto, Japan.

Masaya Kawamoto

2 publications dans cette catégorie

Affiliations :
  • Department of Immunology, Kyoto Prefectural University of Medicine, Kyoto, Japan.

Masaki Ichitani

2 publications dans cette catégorie

Affiliations :
  • Department of Molecular Anti-Virus Immunology, Kyoto Prefectural University of Medicine, Kyoto, Japan.
  • Central Research Institute, ITO EN, Ltd, Shizuoka, Japan.

Makoto Kobayashi

2 publications dans cette catégorie

Affiliations :
  • Central Research Institute, ITO EN, Ltd, Shizuoka, Japan.

Takanobu Takihara

2 publications dans cette catégorie

Affiliations :
  • Central Research Institute, ITO EN, Ltd, Shizuoka, Japan.

Hitoshi Kinugasa

2 publications dans cette catégorie

Affiliations :
  • Central Research Institute, ITO EN, Ltd, Shizuoka, Japan.

Osam Mazda

2 publications dans cette catégorie

Affiliations :
  • Department of Immunology, Kyoto Prefectural University of Medicine, Kyoto, Japan. mazda@koto.kpu-m.ac.jp.
  • Department of Molecular Anti-Virus Immunology, Kyoto Prefectural University of Medicine, Kyoto, Japan. mazda@koto.kpu-m.ac.jp.

Chang Liu

2 publications dans cette catégorie

Affiliations :
  • Tea Science Society of China, Hangzhou, China.
Publications dans "Catéchine" :

Jian-Hui Ye

2 publications dans cette catégorie

Affiliations :
  • Tea Research Institute, Zhejiang University, Hangzhou, China.
Publications dans "Catéchine" :

Penghui Li

2 publications dans cette catégorie

Affiliations :
  • Key Laboratory of Tea Science of Ministry of Education, Hunan Agricultural University, Changsha, Hunan, China.
  • National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanicals, Collaborative Innovation Centre of Utilisation of Functional Ingredients from Botanicals, Hunan Agricultural University, Changsha, Hunan, China.
Publications dans "Catéchine" :

Ailing Liu

2 publications dans cette catégorie

Affiliations :
  • College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, Hunan, China.
Publications dans "Catéchine" :

Wenjun Xiao

2 publications dans cette catégorie

Affiliations :
  • Key Laboratory of Tea Science of Ministry of Education, Hunan Agricultural University, Changsha, Hunan, China.
  • National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanicals, Collaborative Innovation Centre of Utilisation of Functional Ingredients from Botanicals, Hunan Agricultural University, Changsha, Hunan, China.
Publications dans "Catéchine" :

Jianan Huang

2 publications dans cette catégorie

Affiliations :
  • Key Laboratory of Tea Science of Ministry of Education, Hunan Agricultural University, Changsha, Hunan, China.
  • National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanicals, Collaborative Innovation Centre of Utilisation of Functional Ingredients from Botanicals, Hunan Agricultural University, Changsha, Hunan, China.
Publications dans "Catéchine" :

Sheng Zhang

2 publications dans cette catégorie

Affiliations :
  • Key Laboratory of Tea Science of Ministry of Education, Hunan Agricultural University, Changsha, Hunan, China.
  • National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanicals, Collaborative Innovation Centre of Utilisation of Functional Ingredients from Botanicals, Hunan Agricultural University, Changsha, Hunan, China.
Publications dans "Catéchine" :

Zhonghua Liu

2 publications dans cette catégorie

Affiliations :
  • Key Laboratory of Tea Science of Ministry of Education, Hunan Agricultural University, Changsha, Hunan, China.
  • National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanicals, Collaborative Innovation Centre of Utilisation of Functional Ingredients from Botanicals, Hunan Agricultural University, Changsha, Hunan, China.
Publications dans "Catéchine" :

Zvezdelina Yaneva

2 publications dans cette catégorie

Affiliations :
  • Chemistry Unit, Department of Pharmacology, Animal Physiology and Physiological Chemistry, Faculty of Veterinary Medicine, Students Campus, Trakia University, 6000 Stara Zagora, Bulgaria.
Publications dans "Catéchine" :

Donika Ivanova

2 publications dans cette catégorie

Affiliations :
  • Chemistry Unit, Department of Pharmacology, Animal Physiology and Physiological Chemistry, Faculty of Veterinary Medicine, Students Campus, Trakia University, 6000 Stara Zagora, Bulgaria.
Publications dans "Catéchine" :

Sources (1755 au total)

Circulating dihydrotestosterone, testosterone, and free testosterone levels and dihydrotestosterone-to-testosterone ratios in healthy women across the menstrual cycle.

To characterize the circulating androgen levels across the menstrual cycle in healthy women using highly sensitive and accurate methods and report sex differences in the relative levels of dihydrotest... Prospective cohort study.... Research clinic, academic teaching hospital.... Twenty-one healthy premenopausal women, aged 19-40 years, with regular menstrual cycles.... Not applicable.... Serum total T and DHT levels measured using liquid chromatography-tandem mass spectrometry, free T levels measured using a standardized equilibrium dialysis method coupled with measurement of the T le... The serum total and free T levels increased across the follicular phase and peaked at midcycle (total T, 43.6 ± 16.2 ng/dL; free T, 15.6 ± 11.9 pg/mL) and gradually declined in the luteal phase. The D... In healthy premenopausal women, the total and free T levels varied significantly across the menstrual cycle, whereas the DHT levels did not change; the peak total and free T levels in the midcycle per...

Baseline Testosterone Predicts Body Composition and Metabolic Response to Testosterone Therapy.

Male hypogonadism adversely affects body composition, bone mineral density (BMD), and metabolic health. A previous report showed that pre-treatment testosterone (T) levels of <200 ng/dl is associated ... The aim of this study is to determine if there are differences in the changes in body composition, metabolic profile, and bone turnover markers, in addition to BMD, in response to T therapy in men wit... This is a secondary analysis of a single-arm, open-label clinical trial (NCT01378299) on pharmacogenetics of response to T therapy conducted between 2011 and 2016 involving 105 men (40-74 years old), ... Men with T < 264 ng/dl showed greater increases in total fat-free mass (FFM) at 18 months compared to those with T ≥ 264 ng/dl (4.2 ± 4.1 vs. 2.7 ± 3.8%;... T therapy results in improvement in body composition irrespective of baseline T levels but T < 264 ng/dl is associated with greater improvement in FFM, whereas a T level of ≥264 ng/dl favors improveme...

Testosterone administration affects

Recently, a variety of studies using different neuroimaging techniques attempted to identify the existence of a brain endophenotype in people with gender dysphoria (GD). However, despite mounting neur... Thirty-one transgender men (TM) before and after testosterone administration (7.7 months ± 3.5 months), relative to 30 cisgender men (CM) and 35 cisgender women (CW) underwent magnetic resonance spect... A critical time by group interaction revealed an effect of GAHT in the lateral parietal cortex of TM. MI+Gly/Cr ratios decreased upon initiation of GAHT. In addition, NAA/Cr and Cho/Cr ratios were low... This...

Comparison of Hematocrit Change in Testosterone-deficient Men Treated With Intranasal Testosterone Gel vs Intramuscular Testosterone Cypionate: A Randomized Clinical Trial.

Our primary aim was to compare changes in hematocrit in testosterone-deficient men treated with intranasal testosterone gel vs intramuscular testosterone cypionate.... This 2-arm, open-label, randomized trial recruited men with testosterone deficiency at the University of Miami between August 2020 and October 2022. Men with 2 total testosterone levels <350 ng/dL and... Of the 81 men randomized, 54 completed treatment (intranasal n=23; intramuscular n=31). The mean age was 47.5 vs 49.5 years, with mean baseline testosterone of 244.6 vs 240.7 ng/dL and mean hematocrit... Intranasal testosterone gel does not appear to significantly affect hematocrit levels. Men who wish to avoid polycythemia or changes in estradiol or 17-hydroxyprogesterone levels may benefit from shor...

Clinical outcome of testosterone supplementation assessed by andropausal male symptom scores in type 2 diabetes testosterone-deficient patients receiving testosterone compared to those not receiving testosterone: A nested case-control study.

This study aimed to explore the proportion of andropause in male patients with type 2 diabetes using an aging male symptoms scale and assess the clinical outcome of testosterone supplementation in pat... Male patients with diabetes and total serum testosterone levels (≤12 nmol/L) were included in the study. Patients with testosterone supplementation, the standard of care among testosterone-deficient m... The prevalence of andropause among the participants was 11% (117/1057). Data was analyzed as per protocol analysis. Exposure group had a frequency of 25.80%, and 19.35% in moderate and severe symptoms... Results concluded that andropause is prevalent in patients with type 2 diabetes and low testosterone levels. Testosterone therapy affects aging andropausal symptoms such as the feeling of general well...