The Approach to Aromatherapy and Essential Oils Extraction as a Generating Theme for Teaching Organic Chemistry

Adriana da Veiga Torres, Jhully Rangel de Oliveira Gonçalves, Rafael Pinheiro Caetano Damasceno, Juliana Baptista Simões
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Abstract

Teaching Chemistry involves knowledge that helps to explain natural phenomena. Despite this, it faces adversities both to be taught and to be learned. Therefore, this work proposes the theme of aromatherapy in an essential oil extraction workshop as a methodology for contextualizing the teaching of Organic Chemistry. The workshops took place during the 9th Academic Week of the IFFluminense Campus Itaperuna, lasting 15-20 minutes, for 180 students. The workshop was structured in the approach of the Three Pedagogical Moments and used extraction techniques by steam drag, hydrodistillation and by Soxhlet using cloves, cinnamon sticks and peppermint as plant material. 3D-printed molecules of the major compounds of the oils were also used to visualize the structures. The results were evaluated through pre- and post-workshop questionnaires. Through the questionnaires, questions relevant to the reality of Brazilian education can be observed, and that after the workshop 80% of the students said they felt motivated to study Organic Chemistry, in addition to the 10.6% increase in correct answers in the question: “Do you know which is the element considered the ‘building block’ of life?”.
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芳香疗法与精油萃取作为有机化学教学生成主题的探讨
化学教学涉及到有助于解释自然现象的知识。尽管如此,它也面临着被教和被学的逆境。因此,这项工作提出了芳香疗法的主题,在精油提取车间作为一个方法学背景有机化学的教学。研讨会在IFFluminense校园Itaperuna的第9个学术周期间举行,持续15-20分钟,共有180名学生参加。工作坊采用了“三个教学时刻”的方法,并使用了蒸汽拖动、水力蒸馏和索氏用丁香、肉桂棒和薄荷作为植物材料的提取技术。油的主要化合物的3d打印分子也被用于可视化结构。通过研讨会前和研讨会后的问卷来评估结果。通过问卷调查,可以观察到与巴西教育现实相关的问题,并且在研讨会之后,80%的学生表示他们有动力学习有机化学,此外,在“你知道什么是被认为是生命的‘基石’的元素吗?”的问题中,正确答案增加了10.6%。
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