燃烧热科普实验——量热法测定食品的热值  

New Popular Science Design of Combustion Heat Experiment:Determination of Calorific Value of Food by Calorimetry

作　　者：张来英[1] 袁汝明[1] 洪耀青 施雅茜 陈越 徐晓明[1] ZHANG Lai-Ying;YUAN Ru-Ming;HONG Yao-Qing;SHI Ya-Xi;CHEN Yue;XU Xiao-Ming(College of Chemistry and Chemical Engineering,Xiamen University,National Demonstration Center for Experimental Chemistry Education(Xiamen University),Xiamen 361005,China)

机构地区：[1]厦门大学化学化工学院化学国家级实验教学示范中心(厦门大学),福建厦门361005

出　　处：《化学教育（中英文）》2024年第12期50-54,共5页Chinese Journal of Chemical Education

基　　金：教育部第三批虚拟教研室建设试点“101计划”化学测量学实验课程虚拟教研室;2022年度教育部“基础学科拔尖学生培养计划2.0”研究课题;厦门大学本科思政示范课程“基础化学实验(三)——(物理化学部分)”;厦门大学大学生创新创业训练计划项目(2023Y1033)。

摘　　要：介绍了采用量热法测定食品热值的科普实验,通过操作简单、数据可靠的量热计,对常见食品如米面类和糖类进行热值测定。实验设计不仅可以帮助公众理解热值这一概念,而且将其应用于日常生活,回应大众关切的问题。本实验的目的在于激发公众对化学的兴趣,展示化学与生活的紧密联系,并通过实验教育,让公众深入了解食品与能量的关系,以及化学在解决日常问题中的重要作用。Over the past few decades,there has been a significant change in the nutritional intake structure of residents in China,accompanied by a growing concern for the nutritional value of food.This paper introduces a popular science experiment that uses calorimetry to determine the caloric value of food.With simple operations and reliable data from calorimeters,the caloric values of common foods,such as grains and sugars,are measured.The design of the experiment not only helps the public understand the concept of caloric value but also applies it to daily life,addressing popular concerns.The purpose of this experiment is to excite public interest in chemistry,demonstrate its close connection to life,and through experimental education,deepen public understanding of the relationship between food and energy,as well as the importance of chemistry in solving everyday problems.

关 键 词：食品 热值 量热计 科普实验 

分 类 号：TS201.2[轻工技术与工程—食品科学] O642[轻工技术与工程—食品科学与工程]