Some flavorings have raised other types of health flags, like diacetyl, the artificial buttery flavoring in microwave popcorn.

有些打着健康旗号的调料，如丁二酮、人造黄油调料品用于微米花。

Some have been found to contain diacetyl, a chemical that is known to give butter its" buttery" taste.

其中些被发现含有，是种可以令黄油具有“黄油”味道的化学物质。

Some users might see warnings or labels that say our product is diacetyl free and that might be true.

有些用户可能会看到警告或标签说，我们的产品是不含的，这可能是真的。