Heavy Cream- If you don't have heavy cream, you can use a combination of milk and butter instead. To make 1 cup of heavy cream, combine ¼ of melted butter with ¾ cup of milk. Mix thoroughly.Preparation and in vitro absorption studies of a novel polysaccharide‑iron (III) complex from Flammulina velutipesCytotoxic effect of novel Flammulina velut