Sudarmin Sudarmin, T. Sulistyaningsih, E.N. Savitri, R.R.S.E. Pujiastuti, H. Hanim Bint Mohd Zain, Winarto, Ratna Dewi Kumala, Ariyatun
The research aims to (1) find a conceptual framework for the downstreaming of IIPjLM Etno-STEM expertise on the topic of Indonesian Tea Aroma to equip conservation characters, explain the public's sanis issues regarding tea, tea drinking culture, and its aroma compounds, (2) find the aroma components of Indonesian herbal tea using Arduino gas sensors for scientific explanations. The research procedure uses a qualitative and quantitative descriptive approach from the analysis data of the aroma component profile of herbal tea with Arduino gas sensors. The research instruments are in the form of interviews and observation sheets for the reconstruction and explanation of the conceptual framework of the content and context of IIPjLM Etno-STEM regarding tea and tea culture, the pros and cons of drinking tea and coffee, identification of tea aroma compounds, and responses to the advantages and disadvantages of the applied IIPjLM Etno-STEM. The research results concluded (1) The conceptual framework for explaining the issue of public science related to tea, tea and coffee culture, and explanation of the aroma components of Indonesian herbal tea based on Etno-STEM IIPjLM was carried out through discovery inquiry learning activities, interactive demonstrations, laboratory inquiries, (3) The results of the analysis of tea aroma compounds with Arduino gas sensors to explain public knowledge related to tea aroma obtained data on the profile of tea aroma compounds from the production of the Kemuning Tea plantation consisting of methane, LPG, propane, butane, acetone, alcohol, and esters. The student response to Etno-STEM IIPjLM after it was implemented was interesting, innovative, and able to provide conservation characters. © Copyright (c) 2026 The Authors. This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Semarang State University, Indonesia; Polytechnic of the Ministry of Health Semarang, Indonesia; University Sultan Idris Education, Malaysia; Yogyakarta State University, Indonesia; State Islamic University of Tulungagung, Indonesia; Jakarta State University, Indonesia
