fumaric acid
Noun: 1. A colorless crystalline organic compound: Fumaric acid is a solid, white, odorless substance that forms crystals at room temperature. It is a dicarboxylic acid, meaning its molecule contains two carboxyl (-COOH) groups. 2. A compound with a fruity taste: It occurs naturally in some plants and fungi and has a slightly fruity or acidic taste. 3. An industrial chemical intermediate: It is primarily manufactured for use in the production of other materials, most notably unsaturated polyester resins, and as a food acidulant.
- General Use:
- Fumaric acid is an important intermediate in the citric acid cycle in cells.
- The slight tartness in some baked goods can come from fumaric acid.
- Industrial/Commercial Use:
- The plant's main product is fumaric acid for the plastics industry.
- This resin is synthesized using fumaric acid as a key raw material.
- In Biochemistry: Fumaric acid is the -isomer of butenedioic acid, with its isomer being maleic acid. It plays a crucial role as an intermediate (fumarate) in the metabolic Krebs cycle (TCA cycle) within living organisms.
- In Food Science: It is approved as a food additive (E297) used for its acidity and as a taste enhancer, particularly in powdered drink mixes and gelatin desserts where it provides long-lasting sourness.
- Fumarate (noun): The salt or ester form of fumaric acid, commonly encountered in biological chemistry (e.g., dimethyl fumarate, magnesium fumarate).
- Maleic Acid (noun): The -isomer of butenedioic acid, a related compound with different chemical properties.
- (E)-Butenedioic acid: The systematic IUPAC name.
- Trans-Butenedioic acid: A name describing its molecular geometry.
The term "fumaric acid" refers specifically to the pure chemical compound. It is not typically used in idiomatic expressions or phrasal verbs due to its technical nature. Its primary meanings are fixed within the contexts of chemistry, industry, and food technology.
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a colorless crystalline acid with a fruity taste; used in making polyester resins
