7 articles in this issue
Rosida Armanto,Anita Sawitri Nurasih
The aim of this research was to study the influenc e of lactic acid bacteria (Lactobacillus plantarum) concentration andfermentation time on physical and chemical properties of sour cassava starch flour. This research used a Completely Randomized Design w... see more
Edi Suryanto,Sri Raharjo,Hardjono Sastrohamidjojo,Tranggono Tranggono
The objectives of this study was to isolate the different phenolic fractions present in andaliman extract and to determinetheir singlet oxygen quenching activities. Andaliman fruit was sequentially extracted with hexane, acetone and ethanol (1:5) for 24 h... see more
Abdul Rohman,Triwahyudi Triwahyudi
A method has been validated for simultaneous determinations of aflatoxins B , B , G and G using HPLC with photodiodearray (PDA) detector in some foods obtained from Yogyakarta. An optimum condition is reached using column ResolveTM C (1... see more
Rudiati Evi Masithoh,Sony Anshory Kusuma
This research aimed at observing changes of visual appearance of dehydrated sliced red onion (Allium ascalonicum L)and its image parameters, i.e. area and textures (entropy, energy, contrast, and homogeneity) using image processing and analysis. Images an... see more
M. Ainuri,T. T. Irawadi,A. Suryani,E. Gumbira-Sa’id,Z. A. Mas’ud,E. Hardono
Rolling oil (RO) is a process lubricant that used in metal working industries, especially in cold rolling mill (CRM)process as roll coolants, roll oil and pickler oil. Rolling oil is the mixture of basic lubricant and additives. Basic lubricant of RO usua... see more
Judy Kurniawan,Putu Sudira,Sigit Supadmo Arif
Degradation process of irrigation infrastructures is one of the most important things and determines the last result ofAsset Management Planning (AMP). Degradation process will determine irrigation infrastructure’s lifetime, hence, it will influence the w... see more
Bayu Rudiyanto,Kamaruddin Abdullah,Armansyah H. Tambunan
Adsorption refrigeration system (ARS) is one of environment friendly refrigerating machines, which can be operatedby using renewable energy sources available locally such as solar and biomass. The experimental adsorption refrigera- tion system developed i... see more