Answer:
Wine.
Explanation:
Wine is actually an example of a beverage with a high congeners content, because this alcoholic drink, before released to market, it's kept in a large fermentation process though which congeners are formed.
Congeners are substances produced during fermentation processes (like alcohol and ethanol), which include methanol, acetone, tannins, esters and aldehydes. All those chemical substances, together, give the beverage specific characteristics like taste, aroma and alcohol level.
