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Cefuroxime axetil loaded gastroretentive floating tabletsbased on hydrophilic polymers: preparation and in vitro evaluation BABT
Mohapatra,Snehamayee; KumarKar,Rajat; Mohapatra,Debendra Kumar; Sahoo,Sunit Kumar; Barik,Bhakti Bhusan.
The aim of this work was to study the formulation and in vitro characterization of hydro dynamically balanced floating matrix tablets using Cefuroxime axetil (CA) as model drug. Different excipients such as hydroxy propyl methyl cellulose (HPMC) K15M, E5LV (gelling agent), sodium bicarbonate (gas generating agent) and sodium lauryl sulfate (SLS) (solubility enhancer) were used in order to optimize the drug release profile as well as floating property. Decrease in release characteristics with high viscous polymer were observed due to increased gel strength, tortuosity and length of drug diffusion path. Significant difference (p<0.5) in release rate was found at different concentration of SLS. The release mechanisms were explored and explained with zero...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cefuroxime Axetil; HPMC; SLS; Release kinetics.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132012000200013
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ผลของการพอกเมล็ดด้วย Pumice zeolite และ bentonite ต่อคุณภาพของเมล็ดพันธุ์ยาสูบพันธุ์เวอร์จิเนีย Thai Agricultural
Jakkrapong Kangsopa; Boonmee Siri.
Tobacco seeds are very small in seed size, causing non-uniformseedlings development, vunerable to disease infection, as a result requires higher seeding rate. This research aims to study effect of material filler on tobacco seed quality. The experiment was conducted at laboratory of seed quality testing section, Seed Processing Plant, Faculty of Agriculture, Khon Kaen University. The Virginia tobacco seeds were pelleted with three types of fillers including pumice zeolite and bentonite. The binder material used wasis hydroxyl propyl methylcellulose (HPMC) with concentration of 4 percent by weight. The result showed that the seed pelleting with pumice. Solubility in water is best when compared with other types of material fillers. Furthermore it’s the...
Tipo: PhysicalObject Palavras-chave: Tobacco seed; Virginia variety; Seed pelleting; Adhesive materials; Pumice zeolite; Bentonite; Filler materials; Hydroxyl propyl methylcellulose; HPMC; Aging seed; Seed vigour; Germination percentage; เมล็ดพันธุ์ยาสูบ; พันธุ์เวอร์จิเนียร์; การพอกเมล็ดพันธุ์; วัสดุพอก; วัสดุประสาน; การเร่งอายุเมล็ดพันธุ์; อัตราการงอกของเมล็ด; ความแข็งแรงของเมล็ด.
Ano: 2013 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5728
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ผลของสารพอกและวัสดุประสานต่างชนิดกัน ต่อคุณภาพเมล็ดพันธุ์ข้าวโพดไร่ขนาดเล็ก Thai Agricultural
Nongnuch Saenghin; Boonmee Siri.
In commercial corn production, small seed size is discarded from the seed lot and used as the animal feed, resulting in less profit to the seed industry. Therefore, the objective of this research was to increase seed size by seed pelleting methods. In this study, the types of filler pelleting materials and ratio of binder materials were investigated. The experiment was conducted at Seed Quality Test Laboratory of Seed Processing Plant, Faculty of Agriculture, Khon Kaen University. Small seed size of hybrid corn that retained on grade 14/64” diameter sieve perforations were pelleted with seven different types and ratios of fillers (vermiculite, bentonite, pumice, calcium sulphate, calcium carbonate, charcoal and coconut) with four different types of binders...
Tipo: PhysicalObject Palavras-chave: Corn seed; Seed pelleting; Vermiculite; Bentonite; Pumice; Calcium sulphate; Calcium carbonate; Charcoal; Coconut; Binde; Hydroxypropyl methylcellulose; HPMC; Gum arabic; Carboxymethyl cellulose; CMC power; Methyl cellulose; Seed size; Seed quality; Seed enhancement; Germination percentage; Seed vigour; เมล็ดพันธุ์ข้าวโพด; การพอกเมล็ดพันธุ์; สารพอก; วัสดุประสาน; เทคโนโลยีเมล็ดพันธุ์; การยกระดับคุณภาพเมล็ดพันธุ์; อัตราการงอกของเมล็ด; ความแข็งแรงของเมล็ด.
Ano: 2013 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5727
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Postharvest conservation of ‘Avalanche’ cut roses with hydroxypropyl methylcellulose-beeswax natural coating Ciência e Agrotecnologia
Pinsetta Junior,José Sidnaldo; Mattiuz,Claudia Fabrino Machado; Pereira,Emmanuel Moreira; Mattiuz,Ben-Hur.
ABSTRACT The use of postharvest coatings of fruits and vegetables has been the subject of many studies for their ability to extend the shelf life of vegetables. However, little is known about the effect of coatings on postharvest of cut flowers. We evaluated the effect of different concentrations of natural coating based on hydroxypropyl methylcellulose (HPMC) and beeswax (CA) on postharvest of cut roses. White rose cultivar ‘Avalanche’ obtained from commercial production at the bud stage were used. The coating was prepared by the combination of the hydrophilic phase (HPMC) and the lipid phase (CA) suspended in water, resulting in 50g lipids / 100g emulsion. The emulsion was sprayed on the flowers in different volumes: 0 (distilled water); 1.5; 3.0 and 4.5...
Tipo: Info:eu-repo/semantics/article Palavras-chave: HPMC; Rosa sp.; Vase life..
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542019000100228
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