Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Duhat wine, also called lomboy wine, is a Filipinofruit wine made from the fruits of black plum (duhat). It has a bright purple-red color. It is mostly produced in Southern Luzon.
References
^ "Duhat Wine". Office of the Vice Chancellor for Research and Extension, University of the Philippines Los Baños. Retrieved 5 May 2019.