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Purple sweet potato is a versatile and highly nutritious crop that has great potential to support food security, diversify food products, and improve public health, especially through the use of its flour in making noodles, cakes, and other food products. Research on the utilization of purple sweet potato is of particular interest to many researchers. This study aims to look at the development trend of research related to the utilization of purple sweet potatoes in food products. The results showed an increase in publications related to purple sweet potato, and research continues to increase, where the highest peak is in 2023. The countries that are the main contributors to this research are China and Indonesia. IOP Conference Series publishers and Wuhan Polytechnic published the most journals related to this research. Zhang M. has the highest publications in the research field related to purple sweet potato. Keyword analysis found that future research trends related to purple sweet potato have the potential to be developed in the fields of food packaging, natural colouring, and becoming an alternative staple food in the future. This study concludes that research on the use of purple sweet potato continues to increase every year and has the potential to continue to be developed as an alternative food and food additive. [ABSTRACT FROM AUTHOR]