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Encapsulation of Lactobacillus plantarum in cellulose based microgel with controlled release behavior and increased long-term storage stability. 2019

Wei Li, and Liming Liu, and Huafeng Tian, and Xiaogang Luo, and Shilin Liu
Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing, 100048, China; School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan, Hubei, 430073, China; College of Food Science & Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, China.

Probiotics are believed to provide benefits to human health; however, a good storage stability is the prerequisite for the probiotic products making function. Herein, we reported a pathway to fabricate the Ca-alginate/cryoprotectants/cellulose composite (ACFP) capsules to protect L. plantarum cells, which showed the minimal loss of viability during the vacuum freeze-drying process. The trehalose and whey protein isolate (WPI) ingredients in the cryoprotectants prolonged the dissolution time of Ca-alginate shell, which contributed to controlling the release of cells in the desired region. The dry ACFP capsules exhibited gradual release of L. plantarum cells in simulated intestinal fluid (SIF), 2.6 × 106 cfu/mL at 210 min. In addition, 0.1 g of the dry ACFP capsules showed the viable release amount of 3.3 × 106 cfu/mL after the storage of 160 days at 4 °C. The promising results provided a strategy of encapsulating probiotic cells to achieve long-term storage stability and enhanced controlled release behavior in simulated intestinal fluid in the meantime.

UI MeSH Term Description Entries
D002214 Capsules Hard or soft soluble containers used for the oral administration of medicine. Capsule,Microcapsule,Microcapsules
D002482 Cellulose A polysaccharide with glucose units linked as in CELLOBIOSE. It is the chief constituent of plant fibers, cotton being the purest natural form of the substance. As a raw material, it forms the basis for many derivatives used in chromatography, ion exchange materials, explosives manufacturing, and pharmaceutical preparations. Alphacel,Avicel,Heweten,Polyanhydroglucuronic Acid,Rayophane,Sulfite Cellulose,alpha-Cellulose,Acid, Polyanhydroglucuronic,alpha Cellulose
D003451 Cryoprotective Agents Substances that provide protection against the harmful effects of freezing temperatures. Cryoprotective Agent,Cryoprotective Effect,Cryoprotective Effects,Agent, Cryoprotective,Agents, Cryoprotective,Effect, Cryoprotective,Effects, Cryoprotective
D003692 Delayed-Action Preparations Dosage forms of a drug that act over a period of time by controlled-release processes or technology. Controlled Release Formulation,Controlled-Release Formulation,Controlled-Release Preparation,Delayed-Action Preparation,Depot Preparation,Depot Preparations,Extended Release Formulation,Extended Release Preparation,Prolonged-Action Preparation,Prolonged-Action Preparations,Sustained Release Formulation,Sustained-Release Preparation,Sustained-Release Preparations,Timed-Release Preparation,Timed-Release Preparations,Controlled-Release Formulations,Controlled-Release Preparations,Extended Release Formulations,Extended Release Preparations,Slow Release Formulation,Sustained Release Formulations,Controlled Release Formulations,Controlled Release Preparation,Controlled Release Preparations,Delayed Action Preparation,Delayed Action Preparations,Formulation, Controlled Release,Formulations, Controlled Release,Prolonged Action Preparation,Release Formulation, Controlled,Release Formulations, Controlled,Sustained Release Preparation,Timed Release Preparation,Timed Release Preparations
D004339 Drug Compounding The preparation, mixing, and assembly of a drug. (From Remington, The Science and Practice of Pharmacy, 19th ed, p1814). Drug Formulation,Drug Preparation,Drug Microencapsulation,Pharmaceutical Formulation,Compounding, Drug,Formulation, Drug,Formulation, Pharmaceutical,Microencapsulation, Drug,Preparation, Drug
D005990 Glycerol A trihydroxy sugar alcohol that is an intermediate in carbohydrate and lipid metabolism. It is used as a solvent, emollient, pharmaceutical agent, or sweetening agent. 1,2,3-Propanetriol,Glycerin,1,2,3-Trihydroxypropane,Glycerine
D000067816 Whey Proteins The protein components of milk obtained from the whey. Whey Protein,Protein, Whey,Proteins, Whey
D000080386 Microgels Three-dimensional biocompatible polymers in micrometer size range. They are typically spherical particles in a size range of 1-350 micrometers when used for drug delivery and 3D cell culture applications. Microgel
D000464 Alginates Salts and esters of ALGINIC ACID that are used as HYDROGELS; DENTAL IMPRESSION MATERIALS, and as absorbent materials for surgical dressings (BANDAGES, HYDROCOLLOID). They are also used to manufacture MICROSPHERES and NANOPARTICLES for DIAGNOSTIC REAGENT KITS and DRUG DELIVERY SYSTEMS. Alginate,Alginic Acid, Barium Salt,Alginic Acid, Calcium Salt,Alginic Acid, Copper Salt,Alginic Acid, Potassium Salt,Alginic Acid, Sodium Salt,Alloid G,Barium Alginate,Calcium Alginate,Calginat,Copper Alginate,Kalrostat,Kalrostat 2,Kaltostat,Potassium Alginate,Sodium Alginate,Sodium Calcium Alginate,Vocoloid,Xantalgin,poly(Mannuronic Acid), Sodium Salt,Alginate, Barium,Alginate, Calcium,Alginate, Copper,Alginate, Potassium,Alginate, Sodium,Alginate, Sodium Calcium,Calcium Alginate, Sodium
D014199 Trehalose

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