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All Journal Jurnal Agrotek Lestari Journal of Nutrition Science
Mailidarni, Novi
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Agriculture, Biological Sciences & Forestry Chemistry Health Professions Immunology & microbiology Medicine & Pharmacology Nursing Public Health Veterinary

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Effect Of Combination of Wheat Flour with Yellow Pumpkin Paste and Yeast Concentration on The Quality of Yellow Pumpkin Donuts (Cucurbita Moschata) Mailidarni, Novi; Jauhari, Jauhari
Journal of Nutrition Science Vol 4, No 2 (2023): November, 2023
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jns.v4i2.7814

Abstract

The aim of this research was to determine the effect of the ratio of pumpkin paste and yeast concentration on donuts. The variables used include the effect of the ratio of wheat flour to pumpkin pasta and the concentration of yeast on the quality of pumpkin donuts, the ratio of 40% pumpkin paste: 60% wheat flour, 50% pumpkin pasta: 50% wheat flour, 60% pumpkin pasta: 40% and pumpkin paste 1%, 2% and 3% respectively. Meanwhile, the parameters explained are water content, ash content, and organoleptic tests (color, taste, aroma and texture). The research data were processed using a Factorial Completely Randomized Design (CRD) with 2 replications, data analysis using ANOVA and the Least Significant Difference Follow-up Test (BNT).The best treatment in this study was the T2L2 treatment and the SNI 01-2000 donut quality requirements were 50% pumpkin pasta donuts with a wheat flour ratio of 50: 50% (T2) and a yeast concentration of 2% (L2) with a water content value of 20.71%. , ash content value 0.91%, organoleptic test color value 3.37%, taste value 3.83%, aroma value 3.37% and texture value 3.54%.
Analysis of the Combined Effects of Hydrodistillation and Ultrasound Methods on the Yield and Quality of Eucalyptus Leaf Oil Mailidarni, Novi; Jauhari, Jauhari
Journal of Nutrition Science Vol 5, No 2 (2024): November, 2024
Publisher : Universitas Teuku Umar

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Abstract

This study investigates the effects of combining hydrodistillation and ultrasound methods on the yield and quality of eucalyptus leaf oil. The study uses factorial randomized block design (RBD) with two replicates, focusing on the treatment variables of ultrasound exposure time and hydrodistillation temperature and pressure. The ultrasound exposure time is divided into three categories: 5-10 minutes, 15-20 minutes, and 25-30 minutes, while the hydrodistillation temperatures are set at 50-60 °C, 70-80 °C, and 90-100 °C. The essential oil yield and quality were analyzed using ANOVA and Least Significant Difference (LSD) tests. Results indicate that the combination of hydrodistillation at 70-80 °C with ultrasound exposure for 15-20 minutes significantly increases oil yield and enhances the chemical composition of eucalyptus oil, particularly its cineole content. This method shows potential as an alternative to traditional extraction techniques, offering improvements in both efficiency and product quality. keywords:  Cineole, Eucalyptus oil, Extraction yield, Hydrodistillation, Ultrasound
Pengaruh Dosis Ampas Kopi dan Pupuk KCl Terhadap Pertumbuhan dan Hasil Tanaman Bawang Merah Wilis, Ruhalena; Mailidarni, Novi; Amalia, Sarah
Jurnal Agrotek Lestari Vol 11, No 2 (2025): Oktober
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jal.v11i2.12249

Abstract

This study aimed to determine the optimal doses of coffee grounds and KCl fertilizer, as well as their interaction effects, on the growth and yield of shallot (Allium cepa L.). The experiment was arranged in a Randomized Complete Block Design (RCBD) with a 4 × 3 factorial arrangement and three replications. The first factor was the dose of coffee grounds (A0= 0 ton ha⁻¹, A1= 2 ton ha⁻¹, A2= 4 ton ha⁻¹, and A3= 6 ton ha⁻¹), and the second factor was the dose of KCl fertilizer (K1= 100 kg ha⁻¹, K2= 200 kg ha⁻¹, and K3= 300 kg ha⁻¹). The observed parameters included plant height and number of tillers per clump at 15, 30, and 45 days after planting (DAP), as well as fresh tuber weight, number of tubers, and dry tuber weight per clump. The results showed that the application of coffee grounds had a highly significant effect on plant height, number of tillers, fresh tuber weight, and dry tuber weight per clump, and a significant effect on the number of tubers per clump. The application of KCl fertilizer had a highly significant effect on plant height at 15 and 30 DAP and on the number of tillers at 30 DAP, but had no significant effect on plant height at 45 DAP, the number of tillers at 15 and 45 DAP, or tuber-related parameters. A significant interaction between coffee grounds and KCl fertilizer was observed for plant height at 15 DAP and for the number of tillers at 30 and 45 DAP. These findings suggest that the combination of coffee grounds and KCl fertilizer can improve vegetative growth and yield performance of shallots, highlighting the potential of organic–inorganic nutrient integration for sustainable crop production.Keywords: Coffee Grounds, Potassium Chloride (KCl), Shallot (Allium cepa L.), Plant Growth, Yield
Co-Authors Amalia, Sarah Jauhari Jauhari, Jauhari Wilis, Ruhalena