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ETHNOBOTANICAL STUDY OF TRADITIONAL MEDICINAL PLANTS AND THEIR UTILIZATION IN PASSI VILLAGE, WEST PASSI DISTRICT, BOLAANG MONGONDOW REGENCY Latip, Irwan; Satiman, Utari; Djarang, Rievo
Indonesian Biodiversity Journal Vol. 6 No. 2 (2025): August 2025
Publisher : Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/k8p6pd73

Abstract

Ethnobotany is the study of the relationship between plants and humans, including the use of plants by local communities. Traditional medicinal plants are plants that are often used by local communities for their health benefits. This study aims to describe the types of medicinal plants used and how they are processed using traditional methods in the village of Passi, West Passi subdistrict, Bolaang Mongondow district. This research is descriptive qualitative with an interview method and descriptive analysis technique. The results of this study show that there are 37 types of medicinal plants used with a total of 23 families found. The methods of processing traditional medicinal plants are: boiling, squeezing, soaking, pounding, and not processing. The most commonly used processing method is boiling, with 24 types of medicinal plants using this method. The parts of the plants that are most commonly used are: stems, fruits, flowers, leaves, roots, gel, sap, rhizomes, and tubers. The most commonly used parts are leaves, rhizomes, and fruits.
The Effect of Glycerol on the Production of Environmentally Friendly Bioplastics From Cassava Peel (Manihot Esculenta) and Corn Cobs (Zea Mays) Turangan, Merliana Christmas; Lawalata, Helen Joan; Satiman, Utari; Djarang, Rievo Handry
Journal of Comprehensive Science Vol. 5 No. 2 (2026): Journal of Comprehensive Science
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/jcs.v5i2.4009

Abstract

Conventional plastics made from synthetic polymers have a low biodegradation rate, which contributes greatly to environmental pollution. The use of agricultural waste such as cassava husks (Manihot esculenta) and corn cobs (Zea mays) as bioplastic raw materials is one of the alternatives for the development of environmentally friendly materials. This study aims to determine the effect of variations in the amount of glycerol and the length of decomposition time on the biodegradability of bioplastics made from cassava husks and corn cobs. The study used an experimental method with a Two-Way Factorial Design, covering three concentrations of glycerol (0 mL, 15 mL, and 30 mL) and three decomposition times (3, 6, and 9 days). The results showed that the treatment without glycerol (0 mL) did not form bioplastics so it could not be analyzed. The data was tested using Two Way ANOVA. The results of the biodegradability test showed that the glycerol concentration had a significant effect, and the 30 mL formulation resulted in the highest degradation rate of 91.026% on day 9.