Geographical origin discrimination of edible bird’s nests using smart handheld device based on colorimetric sensor array

A smart handheld device based on colorimetric sensor array and smart cellphone was constructed to discriminate geographical origins of edible bird’s nest (EBN). Three hundred and twenty EBN samples were collected from Malaysia and Indonesia. The colorimetric sensor array consists of chemo-response dyes and was used to capture the odor molecule. The smart cellphone was used to obtain images and to extract red, green and blue colors using in-house...