During this process, hydrogen gas is forced into the liquid oil in the presence of a metal catalyst. What Exactly is Vegetable Shortening? At its core, vegetable shortening is pure fat extracted from plant sources.
Process Versus Fresh: The Ingredient Debate Behind Vegetable Shortening
The Science Behind the Process Hydrogenation and Its Implications The hydrogenation process is the defining characteristic of traditional shortening. While this creates a versatile product, it also has a significant downside.
The primary ingredient is usually soybean oil, palm oil, or cottonseed oil. These oils are hydrogenated, a chemical process that adds hydrogen atoms to the fat molecules.
Process Versus Fresh: The Ingredient Debate Behind Vegetable Shortening
Unlike butter or lard, it is created through a rigorous industrial process that transforms liquid oils into a solid, spreadable fat. It coats flour particles, inhibiting gluten development, which is why it is the fat of choice for classic American biscuits, flaky pie crusts, and tender cakes.
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