Shelf Life of Combination Nori Sargassum sp. and Eucheuma spinosum with Alumunium Foil Packaging Based on the Accelerated Shelf Life Test Method

The purpose of this research was to determine the shelf life of Combination Nori Sargassum sp. and Eucheuma spinosum with the Accelerated Shelf Life Test (ASLT) method Arrhenius Model using Alumunium Foil packaging. This research was conducted at the Laboratory of Fisheries Product Processing, Faculty of Fisheries and Marine Sciences, Padjadjaran University from October to November 2020. Sargassum sp. is a genus of brown algae (Phaeophyta) used as in the food industry and non-food industry. Sargassum sp. cannot form nori sushi sheets because it lack carageenan. Eucheuma spinosum is a genus of red algae (Rhodophyta) used to complement the lack of carageenan in Sargassum sp. Alumunium foil is a metalized plastic package composed of hermetic, flexible and opaque metal that has high protection againts light, water vapor and gas. The determination of the shelf life of the ASLT method is carried out using parameters of environmental conditions that can accelerate the product quality degradation by storing the product at high risk temperature. The observation used in determining the shelf life of Combination Nori Sargassum sp. and Eucheuma spinosum is a sensory test and water content test with 35 days in the storage at a temperature of 25oC and 35oC. The calculation results of the Arrhenius model used texture parameter as critical parameters that had the lowest Activation energy (Ea) in determining the shelf life of combination nori which packaged with alumunium foil. The results showed the value of texture parameters based on the order 0 reaction with the Arrhenius plot Ln K = -2.8019, 1/T = 97.596 and Ea = 193.92. The shelf life of combination nori Sargassum sp. and Eucheuma spinosum that stored at room temperature (25oC) was around 137 days.