https://orcid.org/0000-0002-9280-5396
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ABSTRACT
Blood fruit is an underutilized and highly nutritious fruit available in the Northeastern part of India. Proper design and development of sorting and grading systems help in improving the utilization of the fruit. Mass-based grading is more economical than the size-based grading of fruits. The main aim of this study is to investigate the physical, biochemical, thermal, and textural properties of blood fruit and also to determine the best models for predicting the mass of blood fruit using its physical properties. Various physical properties include dimensions, diameters, area, and volume were measured. The fruit is also a good source of phytochemicals like total phenolic compounds (678.21 ± 10.71), flavonoids (489.80 ± 6.72), and anthocyanins (581.21 ± 5.31), respectively. Four different empirical models such as linear, quadratic, power, and s-curve were used to correlate the mass of blood fruit with its physical properties. Fruit width and projected area perpendicular to width in the quadratic model and ellipsoidal volume in the linear model were found best based on the highest R2 for predicting the mass of blood fruit. The present study would significantly increase the knowledge base and useful to design and fabricate postharvest equipment like graders and sorters, which in turn increases the value and commercialization of the fruit.
Acknowledgments
The authors grateful to the Department of Science and Technology-Science and Engineering Research Board (DST-SERB), CRG (EMR/2017000202), Ministry of S&T, Government of India, for providing financial assistance of this project.
Disclosure Statement
The authors declare no conflict of interest.