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Nature-based rheology modifiers and emollients for alcohol-based formulations / Tuttu Nuutinen in SOFW JOURNAL, Vol. 146, N° 9 (09/2020)
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Titre : Nature-based rheology modifiers and emollients for alcohol-based formulations Type de document : texte imprimé Auteurs : Tuttu Nuutinen, Auteur ; Eric-Jan de Feij, Auteur ; Xin Qu, Auteur ; Ann Druffner, Auteur Année de publication : 2020 Article en page(s) : p. 40-43 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Alcool
Analyse sensorielle
Antimicrobiens
Cellulose -- Dérivés
Cellulose bactérienne
CelluloseLa cellulose est un glucide constitué d'une chaîne linéaire de molécules de D-Glucose (entre 200 et 14 000) et principal constituant des végétaux et en particulier de la paroi de leurs cellules.
Désinfectants
Emollients
Epaississants
Formulation (Génie chimique)
Hydratation
Hydroxypropyl cellulose
Hydroxypropyl méthylcellulose
Mains -- Désinfection
Peau -- Soins et hygiène
Produits hydratants
ViscositéIndex. décimale : 668.5 Parfums et cosmétiques Résumé : Today, hand sanitizers formulated with >60% alcohol are more important than ever to kill germs on hands when soap and water are not available. The choice of ingredients for alcohol-based formulations is critical to deliver an efficacious, stable product with pleasing aesthetics. As consumers are increasingly choosing products with ingredients that originate in nature and are based on renewable resources, nature-based rheology modifiers and emollients are valuable for alcohol-based formulations.
In recent studies, cellulose-based thickeners and emollient esters were evaluated in prototype hand sanitizer formulations with 70% ethanol for rheological properties, clarity, electrolyte stability and sensory properties. Formulations tested containing hydroxypropyl methylcellulose (HPMC) and hydroxypropylcellulose (HPC) were compared to acrylate-based formulations. The results show key differences between performance of the formulations with the cellulose-based thickeners showing improved rheology properties in the presences of salt. In consumer tests, the differences in sensory were also noted. For example, panelists noted better moisturization and spreadability with HPC and HPMC. Thus, the choice of ingredients is an important consideration in formulating hand sanitizers, both for sanitizing performance and for positive sensorial experience.Note de contenu : - MATERIALS AND METHODS : Nature-based rheology modifiers and emollients - Formulations - Antimicrobial activity- Viscosity measurements - Skin hydration evaluation - Sensory consumer Panel test
- RESULTS AND DISCUSSION : Effect of rheology modifier on antimicrobial efficacy - Impact of electrolytes on rheology - Influence emollients on formulation viscosity - Effect of rheology modifiers on skin hydration - Role of rheology modifiers on sensorial properties
- Table 1 : Cellulose-derived rheology modifiers
- Table 2 : Alcohol-soluble emollients
- Table 3 : Model hand sanitizer formulations for hydration and sensory studies
- Table 4 : Prototype hand sanitizer formulation for emollient study
- Fig. 1 : Viscosity profiles for three formulations with (open) and without sodium chloride salt (closed)
- Fig. 2 : Viscosity profiles of hand sanitizer prototypes with various emollients
- Fig. 3 : Skin hydration results of hydroalcoholic formulations with different rheology modifiers using Corneometer instrument
- Fig. 4 : Sensory evaluation results of model hand sanitizer formulations: HPC vs acrylate thickeners
- Fig. 5 : Sensory evaluation results of model hand sanitizer formulations: HPMC vs acrylate thickenerEn ligne : https://drive.google.com/file/d/1S4wnU33JEdQLyAe9RQH9HvsprqZfTtmP/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34628
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