Development and Application of Magnesium Citrate-Functionalized Starch-Based Nanomaterials in Enhancing the Fortification of Vitamin D<sub>3</sub>: Batch and Release Performance Studies
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Notice bibliographique
Résumé
Recently, diverse strategies have been developed to formulate food micronutritional supplements like magnesium (Mg 2+ ) and vitamin D 3 (VD 3 ). Nevertheless, the progress in food supplement formulations is limited, due to their undesirable interactions with various food ingredients. In the last few decades, starch has been widely used to prepare micro or nano-carriers for different micronutrients following diverse physical and chemical methods, due to its excellent surface features, the possibility of derivation from various reagents, biodegradability, and biocompatibility. However, most of these methods have not yet been tested in the laboratory scales, failed partially or completely in producing uniform particles in nanoscale domains, and require multiple formulation steps. Herein, starch nanomaterials (SNMs) are fabricated as an effective carrier for VD 3 and Mg 2+ by ultrasonication under moderate conditions. Initially, the SNMs were prepared by ultrasonication using equal masses of native corn starch (NCS) and high amylose corn starch (HACS). The generated materials were then grafted with magnesium, in citrate form at room conditions, as a primary functionalization step, forming magnesium citrate-grafted SNM (MNM-Mg), which were used as sorbents for VD 3 . Experimentally, a set of analytical methods including atomic force microscopy (AFM), Brunauer–Emmett–Teller (BET) surface area analysis, Fourier-transform infrared spectroscopy (FT-IR), Zeta sizer, and X-ray diffraction analysis (XRD) were used to determine the size, surface properties, functionality, stability, and morphology of the prepared nanomaterials. The adsorptive behavior of VD 3 on MNM-Mg surfaces was investigated by analyzing the equilibrium adsorptive data using various isotherm models including Langmuir, BET, Toth, and Redlich–Peterson. Furthermore, the release kinetics for the MNM-Mg after adsorbing VD 3 (MNM-Mg-VD 3 ) were tested in a phosphate buffer solution at pH 7.4, mimicking human bloodstream conditions. Our results showed the successful synthesis of stable MNM-Mg (Z potential of −36 mV) with an estimated average size of 10 nm and a BET surface area of 28 m 2 /g. To the best of our knowledge, the VD 3 that was loaded on our primarily modified nanomaterials with magnesium citrate, compared with the physically mixed VD 3 MNM-Mg with VD 3 (MNM-Mg+VD 3 (PM)) and directly administrated, tended to be completely released after 5 h with lower diffusivity and greater controlled release performance.
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Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,001 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,000 |
| Bibliométrie | 0,000 | 0,001 |
| Études des sciences et des technologies | 0,000 | 0,001 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découle