Visualizing anthocyanins:Colorimetric analysis of blue maize

Azwan, Alya Azwa (2023) Visualizing anthocyanins:Colorimetric analysis of blue maize. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Anthocyanins are pigments found in fruits, vegetables, grains, flowers, and other plants responsible for red, blue, and purple. It also occurs in maize. Maize or we called it corn is one of the most important grains cultivated around the world. Maize can be naturally purple, red, blue, and rainbow color. The color of corn maturity is quite challenging to recognize because of the presence of many uncontrollable factors that will affect the color of the corn. However, to assess whether the maize is ready to harvest, it is important to visualize the blue purplish anthocyanins in blue maize among the small-scale producers. Therefore, this project aims to develop a colorimeter; the MaizeMeter which can analyze the color of maize based on the blue or purplish coloration of anthocyanins. The analysis of anthocyanins coloration will be monitored in an understandable color value in real-time using IoT implementation. The proposed method involves calibrating the color sensor and designing a prototype for the MaizeMeter in order to build up a database of anthocyanins color in blue maize. Finally, it is believed that the anthocyanins’ color database collected from the developed MaizeMeter will be helpful in the future for small-scale farmers and researchers in assessing the maize’s maturity more efficiently and accurately.

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