| Nom du produit | L-5-méthyltétrahydrofolate de calcium |
|---|---|
| Numéro CAS | 151533-22-1 |
| Formule moléculaire | C₂₀H₂₃CaN₇O₆ |
| Poids moléculaire | 497.52 g/mol |
| Apparence | Off-white to light yellow solid |
| Essai (HPLC) | ≥ 99,01 TP3T |
| Point de fusion | >300°C |
| Storage Condition | Inert atmosphere, 2–8°C |
| Solubilité | Soluble in acidic aqueous solutions (with heating);
slightly soluble in water (with heating) |
| Odeur | Odorless |
| Métaux lourds | ≤ 10 ppm |
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Synonymes : L-5-Methyltetrahydrofolate Calcium, Calcium L-5-Methyltetrahydrofolate, L-5-MTHF Calcium, (6S)-5-Methyltetrahydrofolate Calcium Salt, Levomefolate Calcium, Metafolin® (Calcium Salt), L-5-Methyltetrahydrofolic Acid Calcium Salt, (6S)-5-Methyl-5,6,7,8-tetrahydrofolic Acid Calcium Salt
L-5-Methyltetrahydrofolate Calcium (L-5-MTHF Calcium) is the naturally occurring, biologically active form of folate. It is the primary circulating form of folate in the human body and serves as the direct methyl donor for the remethylation of homocysteine to methionine, a critical step in the regulation of homocysteine levels and the synthesis of S-adenosylmethionine (SAMe), a universal methyl donor involved in numerous biological processes.
Unlike synthetic folic acid, which requires hepatic conversion via dihydrofolate reductase (DHFR) to become biologically active, L-5-MTHF is immediately bioavailable and does not require enzymatic reduction. This is particularly significant for individuals with genetic polymorphisms in the MTHFR (methylenetetrahydrofolate reductase) enzyme, who may have reduced capacity to convert folic acid to its active form.

L-5-MTHF-Calcium
The calcium salt form provides enhanced stability and allows for consistent formulation in dietary supplements and pharmaceutical products.

Calcium L-5-Methyltetrahydrofolate VS Folic acid
Active folate form: Provides immediately bioavailable folate without requiring hepatic conversion.
Homocysteine regulation: Acts as a methyl donor for remethylation of homocysteine to methionine.
Methylation support: Supports the production of SAMe, essential for DNA methylation, neurotransmitter synthesis, and cellular function.
Neural tube defect prevention: Essential for healthy fetal development during pregnancy.
Cardiovascular health: Helps maintain healthy homocysteine levels.
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Source: Chemical synthesis (calcium salt form)
Normalisation: ≥99.0% L-5-MTHF calcium (HPLC)
Formulaires: Off-white to light yellow solid
Applications: Dietary supplements, prenatal vitamins, pharmaceutical formulations, functional foods

Calcium L-5-Methyltetrahydrofolate
Capacité mensuelle: 50+ kg
Délai de livraison: 3 à 5 jours (échantillons), 10 à 15 jours (en vrac)
Documentation: COA, MSDS,
Emballage: 100g,1 kg, 5 kg, 10 kg, 25 kg (double‑layer PE bag inside, aluminum foil bag outer, fiber drum)
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