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Kinetics Degradation and Shelf Life of Curcumin from Turmeric (Curcuma domestica Val) with Ethanol Extract Coated by Maltodextrin at Room Temperature Storage Jaya Hardi; Ruslan Lina
Indonesian Journal of Chemical Science and Technology (IJCST) Vol 6, No 1 (2023): JANUARY 2023
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/ijcst.v6i1.43186

Abstract

Curcumin extract from the turmeric plant is unstable to light, temperature and changes in pH, therefore it is necessary to be coated with biopolymers to have a longer shelf life. This study aims to determine the type of degradation kinetics of maltodextrin-coated curcumin and its shelf life at room temperature storage. Encapsulation was performed using an emulsion technique combined with freeze drying with the ratio of turmeric ethanol extract to maltodextrin of 7: 5 (w/w). The results showed that the efficiency of coating ethanol extract of turmeric with maltodextrin was 31.26%. Kinetics degradation of curcumin coated with maltodextrin follows zero-order reaction kinetics. Microcapsule of turmeric ethanol extract coated with maltodextrin has a shelf life at room temperature for 8.35 weeks.
Analisis Kadar Kadmium (Cd) dalam Bawang Merah Lokal Palu (Allium cepa L. var. aggregatum) pada Berbagai Lokasi dan Umur Tanam: Analysis of Cadmium (Cd) in Palu Local Shallots (Allium cepa L. var. aggregatum) at Various Locations and Planting Ages Eka Lindawati; Khairuddin Khairuddin; Nurhaeni; Ruslan; Ahmad Ridhay; Husain Sosidi; Erwin Abdul Rahim; Syamsuddin
KOVALEN: Jurnal Riset Kimia Vol. 9 No. 1 (2023): April Edition
Publisher : Chemistry Department, Mathematics and Natural Science Faculty, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/kovalen.2023.v9.i1.16287

Abstract

The local Palu shallot (Allium cepa L. var. aggregatum) plant is one of the leading products in the Central Sulawesi region. Shallots can experience a decrease in quality if they are contaminated with heavy metals, such as cadmium (Cd) in amounts that exceed the threshold. This study aims to determine the effect of planting age on cadmium levels in local Palu shallots cultivated in Oloboju Village and Solove Village, Biromaru District, Sigi Regency. The research variables used were the planting age which consisted of 4 levels (age 40, 50, 60, and 70 days), and the planting location which consisted of 2 levels (Solove Village and Oloboju Village). Cd levels were analyzed using an Atomic Absorption Spectrophotometer (AAS). Cadmium levels in shallot roots at two planting locations decreased with increasing planting age, from 101.34 - 107.18 mg/kg at 40 days of age to 1.68-3.78 mg/kg at 70 days of age. Shallot bulbs at two locations had lower cadmium levels than roots, namely 0.01-0.04 mg/kg. The results of the study found that planting time had a significant effect on cadmium levels in the roots of shallots, but planting age and planting location had no significant effect on cadmium levels in local Palu shallot bulbs with levels that met the SNI (Indonesian national standard) quality requirements
Analisis Analisis Tingkat Kenyamanan Rumah Sakit Di Kota Makassar (TIPE A DAN TIPE B) Dengan Konsep Pendekatan Arsitektur Bioklimatik Ashari Abdullah; Rohana; Sumarni; Hamkah; Ruslan
Sulolipu: Media Komunikasi Sivitas Akademika dan Masyarakat Vol 23 No 2 (2023): Jurnal Sulolipu: Media Komunikasi Sivitas Akademika dan Masyarakat
Publisher : Jurusan Kesehatan Lingkungan Poltekkes Kemenkes Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32382/sulo.v23i2.67

Abstract

Makassar City has hospitals spread across several sub-districts, with categories of type A-E, but it is unknown whether the currently operating hospitals use the concept of a bioclimatic approach or only meet service standards from the aspect of medical needs. The aims of the study were: to determine the comfort level of the hospital (type A and type B), to formulate a hospital planning strategy with the concept of a bioclimatic approach to buildings through design recommendations. Case research methods (field studies and literature) and descriptive were used in the research. The results and discussion are: Several type A hospitals apply the bioclimatic concept based on an analysis of the level of comfort and service, for example the Wahidin Sudirohusodo hospital for the public, the Tabjuddin Chalid hospital for lepers and the Dadi hospital for mental disorders. Overall, each building has a different analysis and adjusts the comfort of space that is environmentally friendly, and has humanist characteristics towards outdoor space and the environment. Whereas type B hospitals, which apply bioclimatic concepts such as: Awal Bros Hospital, Labuang Baji Hospital, Anak Pertiwi Hospital, each of which has comfort from a unique spatial aspect, adjusts to the level of patient needs, creates good comfort and safety. For the planning strategy for the concept of Bioclimatic Architecture, it is desirable that the shape of the building must be sturdy, have many cavities, facades and the environment that affect the design of the building, the building is more environmentally friendly, comfortable and safe and more efficient in energy use.
Pengolahan Sampah Organik dari Limbah Rumah Tangga Menjadi Produk Eco-Enzyme di Desa Dalaka Kabupaten Donggala Ruslan Ruslan; Khairuddin Khairuddin; Jaya Hardi
Jurnal Pengabdian UNDIKMA Vol. 4 No. 2 (2023): May
Publisher : LPPM Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jpu.v4i2.7039

Abstract

This community service activity aims to increase the knowledge and skills of housewives in Dalaka Village by processing organic waste from household waste into eco-enzyme products. This service was implemented through counseling and training in making fermenters and making eco-enzymes with simple and inexpensive methods. The production of eco-enzymes was done using the ratio of 3kg of organic waste, 1 kg of brown sugar, and 10L of water. The instrument for evaluating this activity used a satisfaction questionnaire form and was analyzed descriptively. The results of this dedication showed that partners could understand well the technology introduced and apply it. The resulting eco-enzyme product had a brown color and a distinctive sour aroma. The average level of participant satisfaction was in the "satisfied" range. Utilization of organic waste from household