Penerbit: The University of Lampung
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Improving the Taste of Robusta Coffee by Fermentation with Yeast Inoculum and Its Effect on Caffeine Content
Oleh: Nadya, Hani Fildzah, Ahmad, Usman, Samsudin, Samsudin
Harvesting coffee process by farmers generally executed entirety, resulting rainbow harvest. Coffee fermentation with yeast starter cultures Saccharomyces cerevisiae Y612, Candida parapsilosis Y207 and Torulospora delbrueckii Y594 was executed separately to determine the role of starter cultures on ...
Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 13 No. 2 (2024): June 2024; 298-308
Response Surface Method Approach for Optimizing Roasting Condition in Robusta Coffee Cupping Test Quality
Oleh: Winarto, Winarto, Wirawati, Chandra Utami
The Roasting process was an important step to generate good-quality roasted coffee beans. Two factors that affected coffee bean perfection were roasting time and temperature. An appropriate time and temperature will emphasize the greatest coffee bean aroma, color, and flavor, while the speed of the ...
Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 12 No. 3 (2023): September 2023; 610-618
Growth and Yield of Tomato (Lycopersicum esculentum Mill.) Due to Application of Hormonic PGR and NPK Fertilizer
Oleh: Puspitasari, Anis Nurmala, Pribadi, Didik Utomo, Suhardjono, Hadi
Tomatoes have high economic value with community demands increases every year. However, the productivity of tomatoes farmers in Indonesia can not meet the demands of Indonesian consumers. Efforts to solve low productivity in tomatoes cultivation can be made through certains cultivation techniques. T...
Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 12 No. 4 (2023): December 2023; 948-956
Investigation on the Optimal Harvesting Time of Oil Palm Fruit
Oleh: Akbar, Arief Rahmad Maulana, Wibowo, Alan Dwi, Santoso, Redi
The selection of the right timing for the harvest of oil palm fresh fruit bunch (FFB) can affect the outcome of the palm fruit quality, which can further imply the quality of crude palm oil (CPO). Truly ripen fruits can boost the yield and quality of crude palm oil. The determination of fruit ripene...
Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 12 No. 2 (2023): June 2023; 524-532
The Effect of Growmore and BAP (Benzyl Amino Purine) Concentrations on The Growth of Dendrobium bigiante agrihorti Orchid In-Vitro
Oleh: Zanirah, Shofiyah, Sutini, Sutini, Pribadi, Didik Utomo
The increase in production of Dendrobium bigiante agrihorti orchids by in vitro culture is to produce numerous and uniform seedlings. This study aimed to determine the effect of Growmore and BAP concentrations on the growth of orchid plantlets. The experiment consisted of two factors namely Growmore...
Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 12 No. 3 (2023): September 2023; 710-720
Addition of Essential Oil Bioadditives as a Mixture of Biodiesel B35 Fuel on the Performance of Reducing Water content and Particulate Content
Oleh: Agumsah, Anggi Firdaus, Rusli, Meika Syahbana, Setyaningsih, Dwi
The use of biodiesel is still experiencing problems due to large amount of water content which produce from the transesterification process, making it has unstable oxidizing properties. The large amount of water content in biodiesel causes the emergence of microorganisms which becoming sludge in the...
Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 12 No. 4 (2023): December 2023; 807-817
Preface
Oleh: Haryanto, Agus
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Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 12 No. 1 (2023): March 2023
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 ...
Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 13 No. 2 (2024): June 2024; 369-380
Analysis of Fuel Consumption Rate of A Rotary Power Tiller on Various Tillage Patterns
Oleh: Kuncoro, Purwoko Hari, Lestari, Halimah Setia Budi, Wijaya, Krissandi
Data about the relationship between various tillage patterns and fuel consumption rate remains scarce. Thus, this study aimed to investigate the effect of five tillage patterns on fuel consumption rate. The five tillage patterns applied were 1) gathering pattern, 2) casting pattern, 3) one way patte...
Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 12 No. 4 (2023): December 2023; 886-898
The Effect of Yeast Dose and Fermentation Time on the Quality of Virgin Coconut Oil (VCO)
Oleh: Nahak, Delfrida Karlani, Satmalawati, MM Endah Mulat, Naisali, Hyldegardis
Coconut are tropical plants and can be easily found in Indonesia. Virgin Coconut Oil (VCO) is one of the products produced from coconut beans. VCO is processed using fermentation techniques to maintain its quality and purity. This study aimed to determine the effect of yeast dosage and fermentation ...
Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 12 No. 4 (2023): December 2023; 988-996