Science Analysis of “Nginang “ Culture In Context of Science Technology Engineering And Mathematics (Stem) Integration of Ethnoscience

Abstract

The ancestors in Indonesia often do nginang activities as a culture of hereditary. Nginang culture is the name of the tradition of eating betel and usually, before eaten betelau first mixed with tobacco, lime, gambier, and betel nut. In this research, a qualitative descriptive analysis of nginang culture was conducted to reveal the scientific explanation related to Nginang culture in Indonesia. In the research data revealed through Interview and adoption, subsequent reconstruction of science science-based scientific community in the context and content of integrated STEM Etnosains, the data obtained validated with scientific laboratory data, research related components major in betel, textbooks, and experts. The results concluded that nginang culture is able to strengthen the teeth, because in betel contains essential oil from phenyl propanoid and tannin compounds. Essential and tannin essential oils are antimicrobial and antifungal properties are strongly suspected and can inhibit the growth of certain types of Escherichia coli, Salmonella sp, Staphylococcus, and Candida albicans bacteria. In Nginang culture is technically mixing betel leaves with some chemicals contained the concept of mixed chemistry, acid-base reaction, and substance changes. The results of the analysis on the answers of sources obtained various information related to how to produce Nginang ingredients composition, so that obtained the taste and benefits for dental health.

Gap Analysis and the Potential of Local Wisdom Jambi as Science Learning Resources

“…Nginang culture can strengthen teeth because in betel nut contains essential oils and phenylpropanoid tannin compounds. Mixing betel leaves with some chemicals contains the concept of mixed chemistry, acid-base reactions, and changes in substances (Sudarmin et al 2018). Sumarni et al (2016) describe the production process of palm sugar which is a legacy of ancestral knowledge, there are many public sciences that can be reconstructed into scientific knowledge that can be a source of science learning for students.…”

Effect Size Analysis of the Implications Ethnoscience Approach to the Improvement of 21st Century Skills in Science Learning

“…The ethnoscience approach is a must in maintaining and preserving local culture by applying it in education, especially in learning science which aims to improve students' knowledge, skills, values, and attitudes so that they can play a role in the environment (Atmoko & Wulansari, 2020;Octana, 2020). The benefits of applying the ethnoscience approach in science learning can be seen in (Lestari & Fitriani, 2016;Supriyadi, et al, 2016;Aji, 2017;Yuliana, 2017;Sudarmin et al, 2018;Puspasari et al, 2019). Ethnoscience learning has a positive influence on the classroom and affective learning in increasing student participation in class.…”