Telusuri Artikel Berdasarkan Abjad - Portal Jurnal

Menampilkan 224 artikel yang diawali dengan huruf "O"


Optimization of Microwave Treatment to Improve Adsorption Properties of Porous Rice Starch

Oleh: Maharani, Elok Pawening, Triwitono, Priyanto, Pranoto, Yudi

Porous starch (PS) is used in various foods as a flavoring, absorbent, and to protect vitamins and oils. Rice starch is processed to minimize the preparation time of PS, while simultaneously maintaining its adsorption efficiency. This study aims to optimize microwave treatment to improve the water, ...

Penerbit: The University of Lampung

Optimization of Microwave-Assisted Hydrodistillation from Indonesian White Pepper (Piper nigrum L.) Essential Oils

Oleh: Widyaningrum, Sekar, Nurjanah, Sarifah, Nurhadi, Bambang

Pepper is one of the agricultural commodities that Indonesia widely exports. Pepper can be processed into various products, including essential oils. Pepper essential oil can be extracted using several methods, including the microwave. This method can speed up the essential oil extraction process. O...

Penerbit: The University of Lampung

OPTIMIZATION OF PRODUCT QUALITY CONTROL IN ROBBANI SNACK MSME USING THE SEVEN TOOLS METHOD AND KAIZEN

Oleh: Suroso, Erdi, Nurainy, Fibra, Hidayati, Sri

The production process at Robbani Snack MSME was not free from errors, which led to defective products. These defective products were detrimental because they could not be sold, thus reducing profits. Therefore, quality control was necessary so that the company could identify and correct any damage ...

Penerbit: Jurusan Teknologi Hasil Pertanian

Optimization of Red Ginger (Zingiber officinale var. Rubrum) Extraction Using Microwave Assisted Hydrodistillation Method

Oleh: Nurjanah, Sarifah, Rosalinda, Sari, Andina, Dwita Putri

Red ginger is a spice plant that has high economic and social value. One of the uses of red ginger is to process it into a product, namely essential oil. This study aims to determine the optimization of the extraction process conditions on solvent volume, time, and extraction power that can produce ...

Penerbit: The University of Lampung

Optimization of Social Support in Physical Education Learning to Strengthen Students’ Social Self-Esteem

Oleh: Blegur, Jusuf, Rajagukguk, Christin Prima Mery, Lumba, Andreas Johanis Fredik

Optimization of Social Support in Physical Education Learning to Strengthen Students’ Social Self-Esteem. Objectives: This study aims to test the determination of teacher and classmate support for students’ social self-esteem. Methods: The participants were 94 junior high school students grade 7...

Penerbit: FKIP Universitas Lampung

Optimization of Spent Coffee Ground Extraction for Kombucha Production: Effect of Temperature on Fermentation Dynamics and Antioxidant Activity

Oleh: Hartini, Sri, Cahyanti, Margareta Novian, Safira, Alifia Dewi

The valorization of agro-industrial waste into functional beverages offers a sustainable approach to food processing. This study aimed to optimize the extraction temperature of spent coffee grounds for kombucha production and to evaluate its impact on fermentation dynamics and antioxidant activity. ...

Penerbit: The University of Lampung

Optimization of Suction Channel System on Vacuum-Type Soybean Seed Metering System Powered by Hand Tractor

Oleh: Setiabudi, Adhiasta Faris, Hermawan, Wawan, Setiawan, Radite Praeko Agus

A vacuum-type soybean seeder powered by hand tractor for Indonesia’s local soybean has been developed to overcome soybean low productivity. The developed machine still has a weakness in the context of the suction channel system. This research was conducted to optimize the suction channel system ef...

Penerbit: The University of Lampung

Optimization of Sugar Reduction using Steviol Glycoside for Ready-to-Drink Sweetened Tea

Oleh: Mintarsih, Andarwulan, Nuri, Adawiyah, Dede Robiatul

Excessive sugar consumption is a major contributor to increased calorie intake and the rising prevalence of obesity, particularly through sweetened ready-to-drink (RTD) teas. This study aimed to optimize formula of reduced sugar RTD tea using steviol glycoside as sweetener, in combination with malto...

Penerbit: The University of Lampung

Optimization of the Carbonization Parameter of Exhausted Coffee Husk (ECH) as Biochar for Pb and Cu Removal Based on Energy Consumption

Oleh: Puari, Aninda, Rusnam, Rusnam, Yanti, Nika Rahma

Recent studies on agricultural waste as a potential precursor of biochar for heavy metals removal from aqueous solution had not considered exhausted coffee husk (ECH) as the potential one. It is well-known that the carbonization process influences the removal performance of biochar, particularly rem...

Penerbit: The University of Lampung

Optimization of the use of sorghum flour, peanuts, and moringa leaves in the making of high-protein gluten-free biscuits [Optimasi penggunaan tepung sorgum, kacang tanah dan daun kelor pada pembuatan biskuit non-gluten tinggi protein]

Oleh: Wulandari, Endah, Indiarto, Rossi, Arifin, Heni Radiani

Protein is one of the macronutrients that the body needs in large quantities in addition to carbohydrates and fats. Eating high-protein biscuits can be one way to meet daily protein needs. Biscuits made from sorghum flour, peanuts, and Moringa leaves can produce non-gluten biscuits high in protein. ...

Penerbit: Teknologi Hasil Pertanian Fakultas Pertanian Universitas Lampung

Optimization of Tween 80 and Span 80 Combination in the Formulation of Niacinamide-Containing Body Lotion

Oleh: Aspadiah, Vica, Akib, Nur Illiyyin, Indalifiany, Astrid

Body lotion is a liquid emulsion preparation consisting of an oil phase and a water phase stabilized by emulsifiers, functioning to maintain skin moisture and provide protection. One of the most widely used active ingredients in current cosmetic formulations is niacinamide, known for its effectivene...

Penerbit: Jurusan Farmasi Fakultas Kedokteran Universitas Lampung

Optimization of used engine oil Furnace Design with Initial Heater

Oleh: Sahbudin, Muhammad, Hermawan, Wawan, Sutejo, Agus

Used engine oil is a waste from various types of machinery that has potential as an alternative fuel. The viscous characteristics of used engine oil require viscosity adjustment to be utilized as fuel. Nowadays used engine oil burners are generally using an external heater as an initial preheater, w...

Penerbit: The University of Lampung

Optimization Strategy of Implementation Fundamental Duty, Function and Authority Forest Ranger

Oleh: Sukarman, Sukarman

Increasing disturbances in forest sustainability lead to the notion that the implementation of the main duties, functions, and authorities of the forestry police (polhut) is not optimal. The purpose of this study was to determine the implementation and identify and find alternative strategies for op...

Penerbit: Department of Forestry, Faculty of Agriculture, University of Lampung

OPTIMIZING AIR PRESSURE TO IMPROVE THE EFFICIENCY OF BOTTLE AND CAN WASTE PRESSING ON PNEUMATIC MACHINES

Oleh: Maharani, Arinda Dinda

Abstract. The issue of plastic bottle and can waste continues to grow alongside increasing consumption, necessitating efficient waste management solutions. This study aims to optimize air pressure in a pneumatic-based waste compactor to improve the efficiency of compressing bottles and cans. An expe...

Penerbit: Universitas Lampung

Optimizing Gen-Z Employee Performance through Talent Management Strategies: A Partial Least Squares Approach

Oleh: Aulia Shafira Vanessa, Silvia Tri Handayani, Yusuf Radityawan Idrad

Research related to optimizing Generation Z employee performance through talent management is still limited, particularly among Gen Z employees in Bandar Lampung City. Gen Z possesses distinct characteristics from earlier generations, thereby requiring the application of suitable talent management s...

Penerbit: Universitas Lampung