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Optimization of compression formulation and load of food-grade tracers for grain traceability using central composite design

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International Journal of Agricultural and Biological Engineering 2017年第6期10卷 221-230页

作者： Liang Kun Zhang Lingling Lu Wei Cedric Sean Okinda Shen Mingxia College of Engineering/Key Laboratory of Intelligent Equipment for Agriculture of Jiangsu Province Nanjing Agricultural UniversityNanjing 210031China

Food-grade tracers have been developed as an identification technology for grain traceability from original harvest to final destination for *** characteristics of food-grade tracers must be able to satisfy the environmental demands for grain *** optimize the food-grade tracer production process,the effects of direct compression formulation and load on the mechanical characteristics were studied using response surface methodology(RSM)with central composite design(CCD).Among the four tested formulations,Formulations#2(consisting of 35.00%lactose 100 mesh,64.50%microcrystalline cellulose 102 and 0.50%magnesium stearate)and#4(consisting of 38.00%lactose 100 mesh,50.00%microcrystalline cellulose 102,11.00%pregelatinized starch and 1.00%magnesium stearate)were selected for tracer production based on their physical properties as *** value of Carr’s flowability index was 68 for both Formulations#2 and#4,which was the highest among all the ***,Formulations#2 and#4 also had the best powder *** magnesium stearate ratio(1.00%-3.00%)and pressure(6.00-16.00 kgf)were used as independent variables to detect changes in the breaking rate,peak shear force and friction coefficient of tracers compressed by the selected *** optimal production parameters could be achieved at a magnesium stearate ratio of 2.25%and pressure of 16.00 kgf for Formulation#2 and at a magnesium stearate ratio of 1.02%and pressure of 16.00 kgf for Formulation#*** these optimal conditions,the tracers had good impact characteristics(breaking rate),compression characteristics(peak shear force)and frictional characteristics(friction coefficient).Moreover,Formulation#2 was more suitable for production because compared to Formulation#4,its breaking rate and friction coefficient values were lower,and its peak shear force value was higher.

关键词： grain traceability food-grade tracer optimization food safety formulation mechanical property central composite design

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Optimization of tracer coating parameters and their effects on the mechanical properties and quality of food-grade tracers for grain traceability

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International Journal of Agricultural and Biological Engineering 2019年第2期12卷 201-209页

作者： Kun Liang Lingling Zhang Xiaohe Chen Mingxia Shen College of Engineering/Key Laboratory of Intelligent Equipment for Agriculture of Jiangsu Province Nanjing Agricultural UniversityNanjing 210031China

The purpose of this study was to optimize the coating process of food-grade tracers to manufacture tracers with good physical,mechanical and practical properties and an excellent *** effects of the coating weight gain(1.00%-5.00%),coating solution spray rate(1.50-7.50 g/min)and tablet bed temperature(30℃-40℃)on the coating appearance quality,moisture absorption rate,friction coefficient,peak shear force,breaking rate,barcode recognition rate,transport wear rate and transport recognition rate were analysed using a Box-Behnken design(BBD)of response surface methodology(RSM).The experimental data were fitted to quadratic polynomial models by multiple regression *** mathematical models of the barcode recognition rate,transport wear rate and transport recognition rate exhibited no statistically significant difference in these *** optimum coating parameters were as follows:a 5.00%coating weight gain,spray rate of 5.47 g/min and tablet bed temperature of 35.42℃.Under the optimized conditions,the tracers had a good appearance(coating appearance quality),moisture resistance(moisture absorption rate),and frictional(friction coefficient),compression(peak shear force),and impact characteristics(breaking rate).

关键词： grain traceability food-grade tracer coating process optimization Box-Behnken design

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