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Antibacterial sachets are one of the technological approaches to maintaining food freshness by releasing active compounds through the headspace to inhibit bacterial growth. In this study, an antibacterial sachet was developed from the inclusion complex of β‐cyclodextrin/lemongrass oil (β‐CD/LO) to maintain the freshness of shrimp (Litopenaeus vannamei). The β‐CD/LO inclusion complex was prepared using...
Commonly, the total carotenoids content in fruit is measured using spectrophotometric analysis based on color absorption levels. In this paper, a bananas carotenoids profile map system was introduced using Hyperspectral imaging technique combining spectral and spatial analysis. The profile map provided the distribution of total carotenoids on the surface of the banana. The systems consist of the measurement...
Commonly, the fruit moisture content could be measured by comparing the mass decrement of an object through the oven drying method. Bananas moisture content prediction system was introduced using the Visual-NIR imaging technique. The hardware of the proposed system consists of a set of the workbench, controllable slider, two halogen light sources and a hyperspectral camera that connected to PC via...
Sugar content is one of the important parameters to determine the quality of banana. In this paper, a non-destruction measurement system for sugar content is introduced using hyperspectral camera system over the VIS/NIR (400–1,000 nm) spectral range. Hyperspectral image (HSI) calibration was performed to compute reflectance value of banana surface in full wavelength range while spectral and spatial...
Currently, manual tools such as rulers or calipers have been used to measure the diameter of the inhibition zone of an antimicrobial. The inhibition zone is the main indicator of an antimicrobial effectiveness. The current camera technology supports for a virtual instrumentation application in measuring the dimension of an object. The presence of another supporting device such as light sources, causing...
This work investigated a new colorimetric sensor for pesticide based on L-cysteine-modified silver nanoparticles (L-cys-AgNPs). The colorimetric sensor was prepared by reducing silver nitrate solutions in the existence of Diospyros blancoi leaf infusion which were then mixed by L-cysteine solution. The L-cys-AgNPs were characterized by UV-Visible Spectrophotometer measuring optical absorbance. Pesticides,...
Currently, an antimicrobial effectiveness that indicated by the diameter of the inhibition zones of antimicrobial was measured using manual tools such as rulers or calipers. In this paper, a camera-based system for virtual measurement of the diameter of the inhibition zones is introduced using a non-metric camera. The hardware consists of a set of measuring instruments, light source, and a camera...
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