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Cengristitama, Cengristitama
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Pemberdayaan Warga Desa Cimanggu melalui Pembinaan Pembuatan Ekoenzim dan Nuget Tahu Marlina, Lusi; Sari, Myra Wardati; Cengristitama, Cengristitama; Damayanti, Eva
PUAN INDONESIA Vol. 6 No. 1 (2024): Jurnal Puan Indonesia vol 6 no 1 Juli 2024
Publisher : ASOSIASI IDEBAHASA KEPRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37296/jpi.v6i1.237

Abstract

This community service activity aims to realize the work program of the chemical engineering study program, serve the community, build a spirit of mutual cooperation and social care, and prepare students in accordance with the development and demands of society. The target of the activity is the community of Cimanggu Village, Ngamprah District, West Bandung Regency. This activity is based on Pancasila, Tri Dharma Perguruan Tinggi, and chemical engineering study program. The activity took place over two days, June 24-25, 2023, in Cimanggu Village. The first day was filled with persuasion to the community, and the second day was filled with socialization about making ecoenzymes from vegetable and fruit waste as soil fertilizers, and making tofu nuggets with the residents. This activity has been carried out well, and the entire series of events have been realized, including persuasion of residents, making ecoenzymes, socializing tofu nuggets, and helping residents with gardening. The response of the residents was quite enthusiastic.
PENGARUH PENAMBAHAN KITOSAN DAN PLASTICIZER SORBITOL PADA PROSES PEMBUATAN PLASTIK BIODEGRADABLE BERBAHAN DASAR PATI KULIT PISANG TANDUK Cengristitama, Cengristitama; Herdiansyah, Herdiansyah; Sari, Myra Wardati
Jurnal TEDC Vol 17 No 2 (2023): JURNAL TEDC
Publisher : UPPM Politeknik TEDC Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70428/tedc.v17i2.712

Abstract

Biodegradable plastic is a type of plastic that will decompose in nature with the help of microorganisms, making it more environmentally friendly and an alternative solution to the problem of synthetic plastic waste made from petroleum. To obtain biodegradable plastic, starch can be added with a plasticizer called sorbitol, resulting in a more flexible and elastic plastic. The use of horned banana peel starch as the main material for making plastic has great potential because horned banana peels are still abundant waste in Indonesia and contain a significant amount of starch, around 29.60%. This research examines the use of horned banana peel starch as the main material for making biodegradable plastic. The aim of this research is to determine the effect of adding sorbitol and chitosan as plasticizers to horned banana peel starch-based plastic. The research used the melt intercalation method, with 16 trials, each using 10 grams of dried horned banana peel starch, and conducted three tests including thickness, water resistance, and plastic biodegradation. The composition of horned banana peel starch, chitosan, and sorbitol had an effect on the characteristics of biodegradable plastic. The best characteristics of biodegradable plastic were found in sample B1 (with a composition of starch : chitosan : sorbitol = 10 g: 2 g: 2,5 mL), which has a biodegradable plastic thickness of 0.23 mm, water resistance of 98%, and a complete biodegradation time in 7 days.
Co-Authors Eva Damayanti, Eva Herdiansyah Herdiansyah Marlina, Lusi Sari, Myra Wardati