Unbranded palm cooking oil has been fortified for several years and can be found in the market with different oxidation levels. This study aimed to investigate the stability and shelf life of unbranded, bulk, vitamin A-fortified palm oils with the most commonly observed oxidation levels in Indonesia. Three types of cooking oils were tested: (i) cooking oil with a peroxide value (PV) below 2 mEq...

Background & objectives: Polyethylene terephthalate (PET) containers have many applications in the food industry. Although there are numerous advantages for PET it also has some disadvantages, one of which is the migration of materials from the container into the material inside. In this study, the effect of two factors of storage time and temperature on the migration rate was evaluated and mod...

background: antioxidant activities of plant extracts are being studied to increase the shelf life of fish products. some plants such as urtica dioica l. (nettle) can be a good source of antioxidants. the objective of this study was to evaluate the effects of hydroalcoholic and water extracts of nettle leaf on the chemical properties of superchilled minced meat of the common kilka fish (clupeone...

Motivated by both classroom needs and learning science questions, we developed two computer-based systems to help students learn the English article system (a, an, the, null). The first system, a menu-based task, mimics cloze activities found in many ESL textbooks. The second, a controlled-editing task, gives students practice with both detecting errors and producing the correct response. Resul...

This study proposes a single-supplier, singleretailer inventory and pricing strategies for deteriorating items with ramp type demand and a fixed shelf-life under shortage. In practice, there are many commodity such as food, medication exist the shelf life. Therefore the shelf life expiration date has become an important research topic in inventory management. We will discuss three cases. We ass...

blood transfusion centers are under considerable pressure to produce platelet concentrates with a shelf life limit of 3 to 5 days. many approaches have been investigated experimentally to produce new hemostatically active platelet products that are capable of long term storage. in this article infusible platelet membrane will be explained as a platelet substitute versus conventional liquid-stor...

Enrichment of food products with proteins, minerals and dietary fiber is possible by introducing grinding some cereal crops into wheat flour, i.e. obtaining composite flour mixtures. To date, there a need to enrich essential fatty acids, especially Linolenic acid (w-3), the deficiency which leads serious disruptions in functioning human body. Analysis lipid composition various oilseed shows tha...

Food has an expiration date. To make food have a longer shelf life, manufacturers use preservatives as solution. There are that safe to and prohibited from being used. One of the chemical used in is formalin. Formalin usually added processed meat fish foods. The purpose this study was detect presence formaldehyde preservative consumption sold several markets Surakarta. method experimental. As i...