Valorization of Tempe-Based Ingredients: Protein

Tempe is a traditional fermented product that originated in Indonesia. Tempe is generally made from soybean that undergoes fermentation by Rhizopus spp. Soybean is the most common material for making tempe. However, in certain region of Indonesia, other legumes and coconut waste have been utilized as a substrate for tempe making (Romulo and Surya 2021).