Št. zadetkov: 27
Magistrsko delo
Oznake:
analitika vitamina D;vitamin D3;tekočinska kromatografija visoke ločljivosti;toksičnost vitamina D;vrednotenje HPLC metode;
Vrednotenje stabilnosti vitamina D3 v raztopinah prehranskih dopolnilih in zdravilih z metodo tekočinske kromatografije visoke ločljivosti
Leto:
2015
Vir:
Fakulteta za farmacijo (UL FFA)
Izvirni znanstveni članek
Oznake:
active compounds;assay;cosmeceutics;functional cosmetics;HPLC-UV;labelling;retinoids;tocopherol;ubiquinone;[beta] carotene;
Vitamins A and E and coenzyme Q10 are common ingredients in anti-ageing cosmetic products. Within this study, we evaluated the quality of commercial cosmetics with vitamin A (35 products), vitamin E (49 products), and coenzyme Q10 (27 products) by using validated HPLC-UV methods. Vitamin A was deter ...
Leto:
2021
Vir:
Fakulteta za farmacijo (UL FFA)
Izvirni znanstveni članek
Oznake:
energy drink;fortified food;HPLC;instant drink;juice;label claim;LC-MS;nutrition declaration;vitamin content;vitamin fortified water;
Background/Objectives: Vitamin-fortified non-alcoholic beverages (VFNABs) are rising in popularity and availability. However, owing to their regulation as foods, there are also growing quality and safety concerns. Therefore, we aimed to provide an overview of the content-related quality of VFNABs on ...
Leto:
2024
Vir:
Fakulteta za farmacijo (UL FFA)
Izvirni znanstveni članek
Oznake:
3-O-ethyl ascorbic acid;active ingredients;ascorbic acid;ascorbyl glucoside;ascorbyl phosphate;content;HPLC-UV;labeling;stability indicating method;stability testing;
Ascorbic acid and its hydrophilic derivatives, ascorbyl phosphate, ascorbyl glucoside, and 3-O-ethyl ascorbic acid, are wide used active ingredients in cosmetics, with concentrations increasingly declared on product labels. Since such products are not subject to routine quality control, this study a ...
Leto:
2026
Vir:
Fakulteta za farmacijo (UL FFA)
Izvirni znanstveni članek
Oznake:
assay;coenzyme Q10 content;commercial products;dietary supplements;HPLC-UV;medicines;reducing agent;stability;ubiquinol;ubiquinone;
The efficiency of coenzyme Q10 (CoQ10) supplements is closely associated with its content and stability in finished products. This study aimed to provide evidence-based information on the quality and stability of CoQ10 in dietary supplements and medicines. Therefore, ubiquinol, ubiquinone, and total ...
Leto:
2021
Vir:
Fakulteta za farmacijo (UL FFA)
Izvirni znanstveni članek
Oznake:
cosmeceuticals;cosmetic formulation;D-panthenol;niacinamide (nicotinamide);stability;vitamin B3;
Background: Individual B vitamins have many favorable effects on the skin and are common cosmetic ingredients. However, their formulation is demanding due to stabil-ity issues, which consequently affect the products’ quality.Aims: We aimed to determine the quality (labeling accuracy, content determi ...
Leto:
2023
Vir:
Fakulteta za farmacijo (UL FFA)
Magistrsko delo
Oznake:
kobalamini;vitamin B12;HPLC;vsebnost;stabilnost;
Vitamin B12, znan tudi kot kobalamin, je esencialni vodotopni vitamin iz skupine vitaminov B-kompleksa. Njegovo dolgotrajno pomanjkanje je povezano z razvojem hematoloških, nevropsihiatričnih in gastrointestinalnih motenj. Naravno je prisoten predvsem v živilih živalskega izvora, zato se njegovo pom ...
Leto:
2026
Vir:
Fakulteta za farmacijo (UL FFA)
Diplomsko delo
Oznake:
bakuchiol;stabilnost;vsebnost;kakovost;
Bakuchiol se v kozmetični industriji vse bolj uveljavlja kot varnejša in manj dražeča alternativa retinolu, saj izkazuje podobne učinke pri zmanjševanju znakov staranja kože, poleg tega pa ima tudi protivnetne, antioksidativne in posvetlitvene učinke. Kljub naraščajoči priljubljenosti in prisotnosti ...
Leto:
2026
Vir:
Fakulteta za farmacijo (UL FFA)
Izvirni znanstveni članek
Oznake:
stabilnost vitamina D;prehranski dodatki;antioxidants;cholecalciferol;degradation kinetics;food supplements;HPLC-UV;medicines;stability;stabilization;
Vitamin D3 has numerous beneficial effects, such as musculoskeletal, immunomodulatory, and neuroprotective. However, its instability is the main obstacle to formulating quality products. Despite increased attention and growing use, data on vitamin D3 stability is scarce because data from individual ...
Leto:
2021
Vir:
Fakulteta za farmacijo (UL FFA)
Izvirni znanstveni članek
Oznake:
forced degradation study;in-use stability;infusion;injection;Solu-Cortef;
This study aimed to determine the in-use stability (t95%) of hydrocortisone sodium succinate (HSS) infusion solutions and provide evidence-based guidelines on their usability. HSS infusion solutions were prepared and stored as recommended by the manufacturer and under common conditions in our hospit ...
Leto:
2022
Vir:
Fakulteta za farmacijo (UL FFA)