Margarine is any vegetable-oil-based, butter-flavored spread that contains 80% oil; anything with a lower oil and fat content is called a "soft margarine spread." Worst margarine: Sticks with trans ...

In contrast, margarine samples consisted of only δ-decalactone and δ-dodecalactone in racemic forms, indicating that synthetic aroma chemicals were added to margarine. After heat treatment, 13 types ...