Abstract
This paper presents fruit sweetness characterization using impedance spectroscopy method. Agricultural product processing requires technology implementation to increase its production. The fruit sweetness component is composed of a mixture of fructose, glucose, and sucrose. The measurements of these molecules are usually done with a four-point probe and use DC (direct current). In this study, a fruit sweetness characterization using impedance spectroscopy method has been developed, which uses an AC (alternating current). By using this method, the fruit sweetness level can be characterized based on the impedance measurement on the flesh of fruit. The obtained characterization results show the fruit sweetness level; it can be measured by the impedance measurement. This method could characterize the fruit sweetness well and agrees with the calibration result.
Highlights
IntroductionThe number of agricultural products from Indonesia is still far behind some other ASEAN countries
As an agricultural country, Indonesia produces many kinds of agricultural products
The measured impedance of the solution increases with the addition of the concentration of sugar solution to the sweetness of the fruit
Summary
The number of agricultural products from Indonesia is still far behind some other ASEAN countries. The application of technology can be carried out to increase production and added value of agricultural products. A commodity that needs the application of technology in the processing is fruit. The application of technology in fruit processing can maintain the quality of production so that it can increase a significant added value. The quality of processing of fruit commodities can be maintained by sorting the level of maturity or sweetness. This is where the role of technology is to improve the quality of production. The technology applied will replace the manual method that is not practical and efficient, so that the process and quality of production can be more efficient and improved
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