Complex sentence: A cheaper commercial form became widely known and available around the world in the late 20th century, typically made with concentrated grape juice mixed with a strong vinegar, then slightly sweetened with caramel and sugar.
Split into simpler sentences: A cheaper commercial form became widely known and available around the world in the late 20th century. This supermarket grade product is typically made with concentrated grape juice mixed with a strong vinegar, then laced with caramel and sugar.