نتایج جستجو برای: spray drying
تعداد نتایج: 42727 فیلتر نتایج به سال:
The objective of this study was to analyze the use of Spray Drying for concentration and preservation of biosurfactants produced by Bacillus subtilis LBBMA RI4914 isolated from a heavy oil reservoir. Kaolinite and maltodextrin 10DE or 20DE were tested as drying adjuvants. Surface activity of the biosurfactant was analyzed by preparing dilution x surface activity curves of crude biosurfactant, c...
PURPOSE For many years research has been conducted on the development of resorbable, polymer, haemostatic materials designed to provide first aid and preliminary protection of injuries. The biological properties in vitro of a dressing in powder form called Hemoguard are expected to provide the ability to instantaneously stem bleeding with safe conditions of use. The aim of the study was to eval...
Background: currently, functional foods are the type of foods of most interest to the modern consumer, due to the health benefits they provide. Objectives: Optimize the spray drying process to obtain cape gooseberry powder added with active compounds. Methods: A process of spray drying was carried out to obtain a powder from cape gooseberry suspensions added with vitamin C, iron, folic acid, is...
Purpose Spray drying is a growing technology in the pharmaceutical industry with several enabling applications in modern drug delivery. Its understanding is still vastly empirical, mainly in what relates to the particle formation step. Consequently, the design spaces are typically defined through costly experiments and their statistical interpretation. The purpose of this study is to examine th...
In this work, aqueous diltiazem HCl and polyvinyl-pyrrolidone (PVP) solutions were mixed with Kollicoat SR 30D and spray dried to microparticles of different drug:excipient ratio and PVP content. Co-spray dried products and physical mixtures of drug, Kollidon SR and PVP were tableted. Spray drying process, co-spray dried products and compressibility/compactability of co-spray dried and physical...
Spray drying of skim milk was evaluated as a means of preserving Lactobacillus paracasei NFBC 338 and Lactobacillus salivarius UCC 118, which are human-derived strains with probiotic potential. Our initial experiments revealed that NFBC 338 is considerably more heat resistant in 20% (wt/vol) skim milk than UCC 118 is; the comparable decimal reduction times were 11.1 and 1.1 min, respectively, a...
the formulation of hydrophobic drugs for oral drug delivery is challenging due to poor solubility, poor dissolution and poor wetting of these drugs. consequently, the aim of this study was to improve the dissolution of a model poorly water soluble drug, ibuprofen. microparticles containing ibuprofen were produced by spray drying and spray chilling technology in the absence/presence of a hydroph...
BACKGROUND Nanoemulsions consist of very stable nanodroplets of oil dispersed in an aqueous phase, typically below 300 nm in size. They can be used to obtain a very fine, homogeneous dispersion of lipophilic compounds in water, thus facilitating their handling and use in nanomedicine. However, the drawback is that they are suspended in an aqueous media. This study proposes a novel technique for...
Okara is a nutritionally valuable by-product produced in large quantities as result of soymilk elaboration. This work proposes its use as both culture and dehydration medium during freeze-drying, spray-drying, and storage of Lactobacillus plantarum CIDCA 83114. Whole and defatted okara were employed as culture media for L. plantarum CIDCA 83114. The growth kinetics were followed by plate counti...
Spray drying is a common unit operation across many industries due to the ability to control bulk powder properties and isolate dry product from a liquid feed in a single operation. For the pharmaceutical industry, spray drying offers the control of physical properties of crystalline or amorphous active pharmaceutical ingredients (APIs), as a neat or formulated drug product that can lead to imp...
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