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Nelumbo Nucifera Herb
Nelumbo nucifera
symbole sacré et médecine dans les traditions bouddhiste et hindoue
Nelumbo nucifera contains bioactive alkaloids including nuciferine and neferine that act on multiple physiological pathways. Nuciferine demonstrates dopamine receptor antagonism and calcium channel blocking properties, which may explain its antihypertensive and sedative effects. Neferine exhibits cardioprotective activity through antioxidant mechanisms and modulation of cellular signaling pathways. The polyphenolic compounds contribute additional antioxidant and anti-inflammatory activity. These combined mechanisms support its traditional use for cardiovascular, digestive, and anxiety-related conditions. Evidence Level: C.
What medications interact with lotus (Nelumbo nucifera)?
Nelumbo nucifera may interact with several medication classes due to its pharmacological effects. The herb's hypotensive properties can potentiate blood pressure-lowering medications, potentially causing excessive hypotension. Its mild sedative effects may enhance central nervous system depressants including benzodiazepines, barbiturates, and sleep medications. The lotus alkaloids may also interact with cardiac medications. Patients taking antihypertensive drugs, sedatives, or cardiac medications should consult a healthcare provider before using lotus preparations. Evidence Level: C, based on pharmacological data and traditional use.
What is the recommended dosage for Nelumbo nucifera?
The typical adult dosage for Nelumbo nucifera is 3-9 grams of dried seed or leaf prepared as a tea, taken once or twice daily. Standardized extracts are commonly dosed at approximately 500mg daily. Traditional Chinese Medicine practitioners may adjust dosages based on individual constitution and specific health concerns. Lower initial doses are advisable to assess individual tolerance. Always follow product-specific recommendations, as concentration varies between preparations. Evidence Level: Traditional use supported by limited clinical evidence (Level C).
Is Nelumbo nucifera safe during pregnancy?
Nelumbo nucifera is considered unsafe during pregnancy and should be avoided. The seeds, in particular, have traditional contraindications in pregnancy. The bioactive alkaloids, including nuciferine and neferine, may affect uterine tone and could potentially harm fetal development. Traditional medicine systems explicitly contraindicate lotus seed use in pregnant women. Women who are pregnant, planning pregnancy, or breastfeeding should not use Nelumbo nucifera preparations without explicit medical supervision. Evidence Level: Traditional contraindication with limited modern safety data.
What are the health benefits of sacred lotus (Nelumbo nucifera)?
Nelumbo nucifera has been used traditionally for cardiovascular, digestive, and anxiety-related conditions. In Traditional Chinese Medicine, it treats cardiac palpitations and nervousness. Research suggests cardioprotective, antidiabetic, and antioxidant properties attributed to compounds like nuciferine and neferine. The herb demonstrates anti-diarrheal activity and supports digestive health. Modern investigations indicate potential benefits for metabolic syndrome components including blood sugar regulation. Evidence Level: C, based primarily on animal studies and traditional use with limited human clinical trials.
What are the side effects of Nelumbo nucifera?
Common side effects of Nelumbo nucifera include hypotension (low blood pressure) and mild sedation or drowsiness. These effects are dose-dependent and typically mild at recommended dosages. Individuals with naturally low blood pressure may experience more pronounced hypotensive symptoms including dizziness or lightheadedness. The sedative properties may impair alertness, potentially affecting activities requiring mental focus. Discontinue use if significant adverse effects occur and seek medical attention for severe symptoms. Evidence Level: C, based on pharmacological properties and traditional use reports.
Fiche d'information compilée à partir de PubMed
Cette fiche a été compilée à partir de résumés PubMed (NIH) avec l'assistance d'une IA. Chaque affirmation factuelle est citée par un article PubMed réel (voir la liste des sources). Elle n'a pas encore été révisée par un humain — confirmez auprès d'un professionnel de santé avant utilisation.
Compilé à partir de 30 articles PubMed · modèle : gemma4:31b
Résumé
Nelumbo nucifera, known as the sacred lotus, is an ancient aquatic perennial plant used throughout Asia for its nutritional and medicinal properties [PMID:30404216, PMID:35743113].
Contexte
Nelumbo nucifera is a basal eudicot aquatic plant distributed across Asia, Australia, and North America [PMID:31357582, PMID:27379154]. It is characterized by a robust rhizome system and is valued for its ornamental, nutritional, and pharmacological properties [PMID:38647851, PMID:35743113].
Usages traditionnels
Traditionally used for over 2000 years in Asia to manage fever, inflammation, insomnia, nervous disorders, epilepsy, hypertension, cardiovascular diseases, obesity, and hyperlipidemia [PMID:35158798]. Specific parts have been used as astringents, emollients, and diuretics, or to treat diarrhea, cholera, hematemesis, epistaxis, hemoptysis, hematuria, and metrorrhagia [PMID:27057194].
Composés actifs
Main bioactive constituents include benzylisoquinoline alkaloids (specifically aporphines, 1-benzylisoquinolines, and bisbenzylisoquinolines such as neferine, nuciferine, liensinine, and isoliensinine) [PMID:30404216, PMID:40943200, PMID:34845950]. Other active compounds include flavonoids, phenolic acids, terpenoids, polysaccharides, glycosides, and vitamins [PMID:19298686, PMID:34845950, PMID:36521698].
Mécanisme d'action
Lotus-derived alkaloids protect neural tissues by regulating calcium signaling and ion channels, promoting neurogenesis, modulating dopaminergic, cholinergic, and GABAergic neurotransmitter systems, attenuating tau hyperphosphorylation, and enhancing neurotrophic signaling via BDNF-related pathways [PMID:40943200]. Polysaccharides and other constituents exhibit antioxidant and anti-inflammatory effects [PMID:38647851, PMID:40943200].
Preuves cliniques
Preuve CCancer
Constituents exhibit therapeutic potential for cancer prevention and intervention [PMID:35158798, PMID:38647851]
Preuve CNeuroprotection/Alzheimer's
Alkaloids demonstrate neuroprotective properties and inhibition of enzymes relevant to Alzheimer's disease (β-secretase, acetylcholinesterase, and butyrylcholinesterase) [PMID:40943200, PMID:37050065]
Rhizome peel extracts (specifically stigmasterol 3-O-β-D-glucoside, oleanolic acid, and pinoresinol) inhibit A23187-induced degranulation in RBL-2H3 cells [PMID:39089597]
Sécurité et effets indésirables
General safety of lotus alkaloids is noted in reviews [PMID:34845950]. However, Nelumbo nucifera contains higenamine, a β2 agonist on the WADA prohibited list, which may lead to unintentional doping in professional athletes [PMID:35161335].
Synthèse des preuves
The current evidence is primarily based on review articles and in vitro/animal studies (Level C and D), focusing on phytochemical profiling and pharmacological potential rather than large-scale human clinical trials.
2.PMID: 35743113 (2022) — Comprehensive Analysis for GRF Transcription Factors in Sacred Lotus (Nelumbo nucifera). · International journal of molecular sciences
3.PMID: 38647851 (2024) — Lotus (Nelumbo nucifera): a multidisciplinary review of its cultural, ecological, and nutraceutical significance. · Bioresources and bioprocessing
4.PMID: 35158798 (2022) — Lotus (Nelumbo nucifera Gaertn.) and Its Bioactive Phytocompounds: A Tribute to Cancer Prevention and Intervention. · Cancers
5.PMID: 31357582 (2019) — The Latest Studies on Lotus (Nelumbo nucifera)-an Emerging Horticultural Model Plant. · International journal of molecular sciences
Sources gouvernementales
Aucune monographie gouvernementale directe n'est disponible pour cette plante. Le contenu ci-dessous est généré par IA et n'a pas été vérifié par rapport à une source gouvernementale faisant autorité. Utilisez les liens de recherche pour consulter les sources officielles avant de vous fier à ces informations.
6.PMID: 40943200 (2025) — Neuroprotective Potential of Major Alkaloids from Nelumbo nucifera (Lotus): Mechanisms and Therapeutic Implications. · International journal of molecular sciences
7.PMID: 19298686 (2009) — The sacred lotus (Nelumbo nucifera) - phytochemical and therapeutic profile. · The Journal of pharmacy and pharmacology
8.PMID: 34845950 (2023) — Alkaloids from lotus (Nelumbo nucifera): recent advances in biosynthesis, pharmacokinetics, bioactivity, safety, and industrial applications. · Critical reviews in food science and nutrition
9.PMID: 37050065 (2023) — Seasonal Effects on Phenolic Contents and In Vitro Health-Promoting Bioactivities of Sacred Lotus (Nelumbo nucifera). · Plants (Basel, Switzerland)
10.PMID: 27057194 (2015) — Phytochemical Profile and Biological Activity of Nelumbo nucifera. · Evidence-based complementary and alternative medicine : eCAM
11.PMID: 35161335 (2022) — Higenamine in Plants as a Source of Unintentional Doping. · Plants (Basel, Switzerland)
12.PMID: 35770727 (2022) — Research Advances in Lotus Leaf as Chinese Dietary Herbal Medicine. · The American journal of Chinese medicine
13.PMID: 36521698 (2023) — Extraction, purification, structural characteristics, biological activities, and application of the polysaccharides from Nelumbo nucifera Gaertn. (lotus): A review. · International journal of biological macromolecules
14.PMID: 27379154 (2016) — Current Advances in the Metabolomics Study on Lotus Seeds. · Frontiers in plant science
15.PMID: 39089597 (2024) — The peels of sacred Lotus (Nelumbo nucifera) rhizomes suppress allergic reactions by inhibiting the A23187-induced degranulation in rat basophilic leukemia (RBL2H3) cells. · Fitoterapia