Judul: Pengujian Kualitas Oksidasi Primer dan Sekunder Minyak ikan Komersial Produk Dalam Negeri dan Impor
Abstrak: Fish oils in Indonesian market come from domestic and import in capsule form. The purpose of this study was to analyze the fatty acid content, the primary and secondary oxidations of fish oil in domestic and import product, and to compare its quality. The highest FFA in import fish oil was type B (1,56 ± 0.01) and the lowest was type D (0,72 ± 0,07). The result of peroxide value, anisidin value, and the total oxide value of import fish oil had a lower value than domestic one. The highest peroxide value in import fish oil was type C (19,91 ± 0,71) and the lowest was type A (9.53 ± 0.95). The highest anisidin value in import fish oil was D (6,37 ± 0,25) and the lowest found in type B (2.00 ± 2.5). The highest total oxidation of import fish oil was C (46,93 ± 9,07) and the lowest was A (27,54 ± 9,41). Import fish oil contained more fatty acids compared than the domestic fish oil.
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Judul: Inventarisasi Kualitas Minyak Ikan Komersial (Softgel) Impor di Wilayah DKI Jakarta dan Sekitarnya
Abstrak: Permintaan minyak ikan yang semakin meningkat menjadi tantangan produsen untuk memproduksi minyak ikan yang berkualitas. Penelitian ini bertujuan menginventarisasi dan menentukan kualitas softgel minyak ikan komersial di wilayah DKI Jakarta dan sekitarnya berdasarkan standar International Fish Oil Standards (IFOS) dengan parameter uji bilangan peroksida, bilangan p-anisidin, total oksidasi, profil asam lemak, dan analisis asam lemak bebas. Hasil penelitian menunjukkan bahwa presentase asam lemak bebas, bilangan peroksida, bilangan p-anisidin, dan total oksidasi yang memenuhi standar IFOS masing-masing yaitu 90 % (19 dari 21 sampel), 29 % (6 dari 21 sampel), 90 % (19 dari 21 sampel), dan 33 % (7 dari 21 sampel). Kualitas minyak ikan komersial tidak semuanya sesuai dengan standar IFOS, hanya 19 % (5 dari 21 sampel) yang memenuhi standar IFOS. Minyak ikan terbaik dari 19 % yang memenuhi semua parameter IFOS yaitu minyak ikan sampel P dari Bogor. Minyak ikan berdasarkan kandungan omega-3, EPA, dan DHA tertinggi yaitu minyak ikan sampel U dari Jakarta dengan nilai masing-masing 74,3 %, 14,17 %, dan 59,73 %.
Keyword: asam lemak, minyak ikan, oksidasi, standar

Judul: Sistem Informasi Geografis untuk Pola Aktivitas Manusia dengan Pemodelan Data Spatio-Temporal
Abstrak: The human activity in a given time period will shape its pattern. This research develops a spatiotemporal data model to support the prediction of human existence based on activity-pattern and also visualizes the activity locations in a GIS environment. This so-called mobility oriented spatiotemporal data model conceptualizes the spatial and temporal interaction of activity behaviour using the concept of mobility. In other words, activity patterns are conceptualized as a sequence of staying at or traveling between activity locations. The model can support the analysis and queries of activities from different perspectives, i.e. queries can be time-oriented, person-oriented, activity-oriented, and location-oriented. A prototype system based on the activity data modelling is implemented in MySQL 5.0.27 as DBMS with using PhpMyAdmin 2.9.1.1 software. Spatial database is developed with using software QuantumGIS and ArcView. The system could be accessed online through a web browser with MySQL as its database storage and Pmapper framework as the tools used in visualizing the activity locations.The information were provided in the form of activity attribute-data as the user requested and graphical-data (map) which contains information about its activity locations.
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