[problem] present invention provides a kind of wetting agent and softening agent, that safety and can be stably supplied, moreover, boiling wherein occurs during syneresis or in period of storage, shows stronger water conservation bating effect by being added or being dipped in general food. [present invention generates moisturizer and emollient, the extract for the residue that wherein yeast cell wall digestion enzyme reaction suitable degree and Yeast Cells Yeast cream obtain, Deng from yeast cells, solid content is 10% weight, 25 °C of viscosity mPa s are 2000 or more, protein content per unit solid content is 20% weight % or more and 20% weight % of dietary fiber content or more.
