and the increase of the turbidity seemed to depend on shaking treatment times (data not shown). These results suggest that our idea is suitable for evaluating aggregation forces between colloidal particles. Here, we named this primitive method “shaking-redispersion method”, where the first word is a process for redispersion connected to the key process of the novel method, “redispersion”. However, the method we employed above involves ambiguity of redispersion treatments due to the shaker's specs and seems to apply too strong agitation effects for the milk-based emulsions. We improve the redispersion process by using a more accurately controlled equipment with milder mechanical effects and establish the method by model dispersions whose particles have various aggregation forces between them in the next section.