文档介绍：Controlled Release of Glucide from
Alginate/Chitosan Microcapsules
Wang Jianming*1, Guo Yanping1, Li Bingye2, Li Hongjiu2, Huang Ting2, Cao Ruibo1
1Key Laboratory of Food Nutrition and Safety,Ministry of Education 2Shandong Jining Nature Foods Co., Ltd.
Tianjin University of Science and Technology, High and New Technology Development Zone
Tianjin, China, 300457 Jining, Shandong Province, China, 272043
wjm-1115@; yanpingguo83@ lby2046@

Abstract-The microcapsules of controlled-release glucide were acid for 4 h with gentle warming and filtered to remove any
developed in order to prevent from hypoglycemia or glycemia. undissolved particles. The pH was adjusted to with 4
The microcapsules were prepared by using chitosan and alginate mol/L NaOH and CaCl2 was added to a final concentration.
as wall materials. The effect of film condition on performance of Approximately 10g of the alginate/glucose solution was
microcapsules was studied. The results indicated that alginate pipette into a syringe fitted with a needle and a coaxial air jet.
concentration, ratio of alginate weight to glucose weight, chito- Alginate/glucose was extruded drop into 50 mL chitosan
san concentration, calcium chloride concentration, reaction time /calcium chloride solution and allowed to react, rinsed,
and chitosan solution pH value had effect on glucose loading, dried(60℃