大学化学 >> 2026, Vol. 41 >> Issue (5): 26-35.doi: 10.12461/PKU.DXHX202509139

所属专题： 第5届全国大学生化学实验创新设计大赛

专题 上一篇    

魔芋的华丽变身记——从食材到洁面扑的凝胶密码

李响, 谈雷, 丁可冉, 赵发琼, 龚林波   

  1. 武汉大学化学与分子科学学院, 湖北 武汉 430072
  • 收稿日期:2025-10-09 录用日期:2026-02-06 发布日期:2026-05-21
  • 通讯作者: 龚林波 E-mail:lairong@mail.sysu.edu.cn Linbo Gong
  • 基金资助:
    中山大学教学质量与教学改革工程类项目(31000-12220011)

Gorgeous metamorphosis of konjac: unveiling the hydrogel formation mechanism from ingredients to facial cleansing puff

Xiang Li, Lei Tan, Keran Ding, Faqiong Zhao, Linbo Gong   

  1. College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, Hubei Province, China
  • Received:2025-10-09 Accepted:2026-02-06 Published:2026-05-21
  • Contact: Linbo Gong E-mail:lairong@mail.sysu.edu.cn

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摘要： 基于魔芋葡甘聚糖碱诱导凝胶化的原理，设计并实践了一项与生活化学相关的科普实验——魔芋洁面扑的制备。实验创新性地将天然高分子水凝胶、绿色日化和居家实验相结合，采用食品级安全原料，让参与者亲手制作环保实用的洁面扑。针对不同受众，设计分层次科普互动方案，通过原创视频、科普手册、故事化讲解、操作实践和延伸实验等方式，有效实现“安全可操作、原理看得见、成果用得着”的三重科普目标，生动展现化学之趣和化学之用，助力高分子科学走进生活，提高公众科学素养。

关键词: 魔芋葡甘聚糖, 高分子水凝胶, 洁面扑, 绿色化学, 科普

Abstract: Building upon the principle of alkali-induced gelation of konjac glucomannan (KGM), this study designed and implemented a chemistry outreach experiment involving the preparation of konjac-based facial cleansing puffs. The experiment innovatively combines natural polymer hydrogels, green household chemistry, and home-based experimentation using food-grade materials, enabling participants to create environmentally friendly and practical cleansing products. Tailored to diverse audiences, the outreach program features a multi-level interactive approach incorporating instructional videos, science manuals, narrative explanations, hands-on activities, and extension experiments. This comprehensive design successfully achieves three key outreach objectives: ensuring safety and operability, demonstrating underlying principles, and delivering practical outcomes. The experiment vividly illustrates both the fascination and utility of chemistry, facilitating the integration of polymer science into daily life while enhancing public scientific literacy.

Key words: Konjac glucomannan, Polymer hydrogel, Facial cleansing puff, Green chemistry, Science popularization