pectin

/'pektin/

Thân thiện

The cook adds pectin to the simmering fruit to help the jam set.

Definition

1. Noun:
   • A water-soluble polysaccharide substance: Pectin is a type of complex carbohydrate (a polysaccharide) found in the cell walls of plants, especially in ripe fruits and some vegetables. It is soluble in water and forms a gel when combined with sugar and acid under the right conditions.
   • A gelling agent: In food science and cooking, pectin refers to the natural substance extracted from fruits, used primarily to thicken and set jams, jellies, and preserves.

Examples of Usage

• Noun:
  • Apples and citrus fruits are rich in pectin, which is why they are excellent for making jam.
  • The recipe calls for added pectin to ensure the jelly sets properly.
  • Pectin is an important dietary fiber with potential health benefits.

Advanced Usage

• "High-pectin fruit": A term used to describe fruits that naturally contain a large amount of pectin, such as apples, quinces, and citrus peels.

  • Because they are high-pectin fruits, blackcurrants often don't require extra gelling agent.

• "Low-methoxyl pectin": A specific type of pectin that can form a gel with calcium ions rather than requiring high sugar and acid levels. It is often used in low-sugar or sugar-free products.

  • Low-methoxyl pectin is ideal for making diabetic-friendly fruit spreads.

Variants and Related Words

• Pectic (adj): Relating to or derived from pectin.

  • The pectic substances in the fruit break down as it ripens.

• Pectinase (n): An enzyme that breaks down pectin.

  • Pectinase is used in the juice industry to clarify fruit juices.

Synonyms

• Gelling agent: A substance used to thicken liquids into a semi-solid gel.
• Polysaccharide: A carbohydrate whose molecules consist of a number of sugar molecules bonded together (pectin is a specific type).

Related Phrases and Compounds

• Fruit pectin: Pectin that is commercially produced and sold, often derived from apples or citrus fruits.

  • I bought a bottle of liquid fruit pectin for my strawberry jam.

• Pectin content: The amount of pectin present in a food substance.

  • The pectin content of the berries was too low, so the jam remained runny.

Học thuật

Noun

1. any of various water-soluble colloidal carbohydrates that occur in ripe fruit and vegetables; used in making fruit jellies and jams