Table 1. Formulation of onion cream soups added with different onion powders

Sample Water (mL) Milk (mL) Powder (g) White roux (g)
Control 20 20 0 10
COP 20 20 0.5 10
OFP 20 20 0.5 10
OPP 20 20 0.5 10
Control, cream soup without onion powder; COP, cream soup containing commercial onion powder; OFP, cream soup containing onion flesh powder; OPP, cream soup containing onion peel powder. Each sample contains 0.5 g of onion powder per batch, corresponding to approximately 1% (w/w) of the final formulation.