What specific fining agents are most effective for removing excess tannins without stripping desirable flavor compounds?

Several fining agents are effective for reducing excess tannins without significantly stripping desirable flavor compounds, and the choice depends on the specific wine and the nature of the tannins. Protein-based fining agents, such as egg white (albumin) and gelatin, are commonly used for tannin reduction. These agents work by binding to tannins through electrostatic interactions and hydrogen bonding, forming complexes that precipitate out of the wine. Egg white is known for its gentle fining action, selectively removing harsh tannins while preserving fruit flavors. Gelatin is more effective at removing a broader range of tannins but can also strip some flavor if used excessi....