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Prasetia, Retno
Universitas Nahdlatul Ulama Kalimantan Timur
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Journal : Journal of Sustainable Transformation

 1 
UJI ORGANOLEPTIK KERTAS KOMPOSIT BERBAHAN KERTAS BEKAS DAN AMPAS KELAPA (Cocos nucifera L.) Retno Prasetia; Purbawati Purbawati; Halikianoor Halikianoor
Journal of Sustainable Transformation Vol. 1 No. 1 (2022)
Publisher : Universitas Nahdlatul Ulama Kalimantan Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59310/jst.v1i1.8

Abstract

Coconut dregs is a waste that contain cellulose as a material for making composite paper. This study aimed to know the quality of this composite paper based on organoleptic test. Organoleptic tests were also carried out to determine the level of liking for paper based on the texture, color, and odor. Composite paper in this study made of coconut pulp and used HVS paper pulp combination. This designed experiment used a completely randomized design (CRD) with 3 replications of 3 treatments and a control. The data obtained were analyzed using the Anova test and the DMRT test with a level of 5%. Organoleptic test results with the addition of 15% coconut dregs (P1) showed the highest results of liking in terms of texture, fiber appearance, color, and odor. Based on DMRT test, P1 had significant different result than others. Thus, P1 was the most liking as composite paper. Furthermore, this research has the potential to be developed for physical test for justified this composite paper has a good paper quality.
POTENSI AMPAS KELAPA (Cocos nucifera L.) SEBAGAI ALTERNATIF BAHAN PEMBUATAN KERTAS KOMPOSIT Retno Prasetia; Purbawati Purbawati; Halikianoor Halikianoor
Journal of Sustainable Transformation Vol. 1 No. 1 (2022)
Publisher : Universitas Nahdlatul Ulama Kalimantan Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59310/jst.v1i1.9

Abstract

             Coconut dregs is a waste that has non-wood fiber thus it is potential as a material for making composite paper. The use of coconut dregs in this study aims to determine its potential as a raw material for making composite paper through tensile resistance and tear resistance.             The making of composite paper in this study was carried out by combining coconut pulp and used HVS paper pulp. The design used was a completely randomized design (CRD) with 3 replications consisting of 3 treatments and a control. The data obtained were analyzed using the Anova test and the DMRT test with a level of 5%..             The highest paper tensile resistance test results were obtained by P1 which was 0.26 kN / m smaller than 1.26 kN / m (P0 as a control), as well as the highest paper tear resistance test results obtained by P2 at 340 mN smaller than 666 , 4 mN (P0 as control). Based on the data obtained, the addition of coconut dregs or not in making composite paper shows a potential that does not have a significant effect. This research has the potential to be developed for better paper quality.
ANALISA ORGANOLEPTIK DAN ENUMERASI CEMARAN BAKTERI PADA TELUR ASIN DENGAN PERLAKUAN PERENDAMAN DAUN SIRIH ( Piper betle L.) Setyawan, Zuhdi; Pratama, Muh Doddy; Purbawati, Purbawati; Jati Palupi, Pratiwi; Prasetia, Retno
Journal of Sustainable Transformation Vol. 2 No. 02 (2024)
Publisher : Universitas Nahdlatul Ulama Kalimantan Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59310/jst.v2i02.35

Abstract

Eggs easily experience a decrease in quality caused by the evaporation of water and CO₂. This study aimed to study the effect of soaking betel leaves (Piper betel L.) in improving the quality of salt eggs, analyzed by the number of bacteria, and the quality of salted eggs. The research was conducted by a completely randomized design (RAL), the data were analyzed using the ANOVA test and BNJ as further test with a significance level of 5%. The sample of this research was 120 duck eggs divided into 4 groups that were with no soaking (AB1), and with soaking of betel solution at concentrations 20% (AB2), 30% (AB3), and AB4 (40% solution)) with 3 replicates for the organoleptic test and 2 for the bacterial contamination test. The best result of the organoleptic test was at a concentration immersion of 40% while the total bacteria in salted eggs soaking 30% obtained a value of 35x104 cfu/gr. Thus, the soaking of salted eggs at 40% was the most favored by panelists. The results of salted eggs treated with betel leaf solution at a concentration of 30% provided the least amount of bacterial contamination compared to others.
Co-Authors Agung Riyadi Ali Sadikin Cahyadi, Dicky Fahrizal Fahrizal Halikianoor Halikianoor Halikianoor Halikianoor Ida Rosanti Indah Sriwahyuni Kusnadi M. Muhtar MARIA BINTANG Muh. Doddy Pratama Muh. Doddy Pratama Octavainto, Ervian Palupi, Pratiwi Jati Prasetyo, Hendi Wahyu Prastowo, Sugik Pratama, Muh Doddy Pratama, Muhamad Doddy Purba, Nova Solina Purbawati Purbawati Purbawati, Purbawati Putri, Vinka Adelina Reza, Muhammad Ali Setyawan, Zuhdi Sirri, Ahmad Tias, Fajar Wahyuning