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INDONESIA
PROSIDING SEMINAR KIMIA
Published by Universitas Mulawarman
ISSN : -     EISSN : -     DOI : -
Core Subject : Science,
Chemistry
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Articles 513 Documents
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REVIEW ARTIKEL: PEMANFAATAN GLUKOMANAN UMBI PORANG SEBAGAI EDIBLE FILM DENGAN PENAMBAHAN EKSTRAK TANAMAN SEBAGAI AGEN ANTIBAKTERI DAN ANTIOKSIDAN Amanda Salwa Nur Azizah; Subur P. Pasaribu; Aman Sentosa Panggabean
PROSIDING SEMINAR KIMIA Vol 4 No 2 (2025): Prosiding SNKT 2025
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Abstract

The increasing global production of plastics has caused serious environmental impacts due to their non-degradable nature. Therefore, eco-friendly packaging alternatives such as edible films (EF) based on natural biopolymers are needed. Glucomannan derived from porang tubers (Amorphophallus muelleri Blume), also known as Konjac Glucomannan (KGM), is one of the most promising biomaterials because it is biodegradable, non-toxic, and easily forms elastic films. The purpose of this review is to examine the potential of glucomannan as a base biomaterial for EF and the role of adding plant extracts as antibacterial and antioxidant agents. The review was conducted through an analysis of recent literature on the physical, chemical, and functional characteristics of KGM-based EF with the addition of natural bioactive compounds. The results show that the combination of glucomannan and plant extracts enhances the mechanical properties, water vapor resistance, and antibacterial activity of the film. In addition, the antioxidant activity increases with the incorporation of phenolic and flavonoid compounds, which effectively suppress oxidation and extend the shelf life of food products. Overall, KGM-based EF enriched with plant extracts has strong potential as an active and functional packaging material that supports sustainability and could replace conventional plastics in the future Keywords: glucomannan; tuber porang; edible film; antimicrobial; antioxidant.
MINI REVIEW: PEMANFAATAN GLUKOMANAN UMBI PORANG SEBAGAI EDIBLE PACKAGING DENGAN PENAMBAHAN EKSTRAK TANAMAN SEBAGAI BIOINDIKATOR MASA SIMPAN BAHAN PANGAN Arif Nur Sho’im; Subur P. Pasaribu; Aman Sentosa Panggabean
PROSIDING SEMINAR KIMIA Vol 4 No 2 (2025): Prosiding SNKT 2025
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Abstract

Edible packaging based on biopolymers offers an innovative solution to the problem of conventional plastic packaging waste that is difficult to degrade. Glucomannan from porang tuber (Amorphophallus muelleri Blume) is a natural biopolymer with great potential as a material for making edible packaging because it is biodegradable, safe, has good mechanical properties, and is sustainable. Glucomannan-based films can maintain the quality and extend the shelf life of food products. Further development is carried out through the integration of plant extracts containing anthocyanins as smart indicators to detect the freshness of food materials. Anthocyanins have high sensitivity to pH changes, allowing color changes in the packaging as the food quality degrades due to microbial activity. Thus, the combination of glucomannan and anthocyanins can produce smart edible packaging that is not only environmentally friendly but also capable of providing real-time visual information on the freshness of food products. Keywords: Edible packaging, glucomannan, konjac, anthocyanin, pH indicator.
UJI TOKSISITAS EKSTRAK ETANOL DAUN SIRIH HUTAN (Piper aduncum L.) Sri Wahyuni; Erwin
PROSIDING SEMINAR KIMIA Vol 4 No 2 (2025): Prosiding SNKT 2025
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Abstract

Forest betel (Piper aduncum L.) is one of the largest general in tropical regions, with more than 1000 species estimated within the Piperaceae family. In Indonesia, it is widely distributed across Papua, where its habitat occupies nearly a significant portion of the secondary forest areas. Traditionally, the leaves of forest betel are used as a remedy for canker sores, leucorrhea, mouthwash, internal wounds, to stop vomiting, reduce nausea, promote digestion, act as an antiseptic, and kill bacteria, fungi, and viruses. The objective of this research is to identify the secondary metabolites present in the leaves of forest betel (Piper aduncum L.), analyze the toxicity level, and assess the antioxidant activity of the ethanol extract of forest betel leaves (Piper aduncum L.). The methods employed in this study include extraction, phytochemical screening, toxicity testing using the Brine Shrimp Lethality Test (BSLT), and antioxidant activity testing using the 1,1-diphenyl-2-picrylhydrazyl (DPPH) method. The results of the phytochemical screening test showed that the ethanol extract of forest betel leaves (Piper aduncum L.) contains alkaloid, triterpenoid, phenolic, flavonoid, and quinone compounds. Based on the toxicity test, the ethanol extract of forest betel leaves (Piper aduncum L.) exhibited a toxicity level of 6.12915 x 10-13 ppm, categorized as toxic (<1000 ppm), suggesting that the ethanol extract has bioactivity as it is toxic to Artemia salina L. larvae. Keywords : Antioxidant, Toxicity, Forest Betel Leaves, Phytochemistry, Secondary Metabolites

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