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Amanda Salwa Nur Azizah
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Chemistry

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UJI FITOKIMIA DAN TOKSISITAS EKSTRAK ETANOL DAUN KAJAJAHI (Leucosyke capitellata (poir) Wedd.) Nur Laila Zulfah Sari; Arif Nur Sho’im; Amanda Salwa Nur Azizah; Habel Ta’dung; Siti Nur Hadijah; Erwin
PROSIDING SEMINAR KIMIA Vol 4 No 1 (2025): Prosiding SNK 2025
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Abstract

Kajajahi Leaves (Leucosyke Capitellata (poir) Wedd.) or also called Kandih Uso which has benefits such as slowing attachment, aggregation and platelet secretion. Therefore, this study was carried out aimed at finding out the secondary metabolites of the Kajajahi leaf knowing and the toxicity of the Kajajahi leaf ethanol extract using the Brine Shrimp Lethality Test (BSLT) method. This extract is made by maceration using ethanol solvents for 7 days. Phytochemical tests are carried out to determine the secondary metabolites contained. Phytochemical content includes flavanoid, steroid, phenolic, saponin and quinone. The toxicity test was carried out using Artemia Salina L. shrimp larvae which was 48 hours old. The results of the extract toxicity are identified by the persentation of the death of the shrimp larvae using the LC50. This study shows the metabolites of secondary metabolites Ethanol extract Kajajahi leaf including flavanoid, steroid, phenolic, saponin and quinons and to be toxic with LC50 values of 0.0000166 ppm. Keywords: Brine Shrimp Lethality Test (BSLT), Kajajahi Leaves, Leucosyke Capitellata, Phytochemical Test, Toxicity
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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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.
Co-Authors Aman Sentosa Panggabean Arif Nur Sho’im Erwin Habel Ta’dung Nur Laila Zulfah Sari Siti Nur Hadijah Subur P Pasaribu