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alginic acid

alginic acid

1 7.0
A thick, jelly-like substance made from brown seaweed used to thicken food and medicines
  • noun
  • /ælˈdʒɪnɪk ˈæsɪd/
  • Specialized
: ácido algínico
  • Ice cream manufacturers often add alginic acid to improve texture and prevent ice crystals from forming.

Examples

  • The pharmaceutical industry uses alginic acid as a binding and stabilizing agent in tablets.

  • As a naturally derived thickener, alginic acid is widely accepted in vegan food products.

  • The recipe calls for alginic acid as a thickener.

  • Many food products contain alginic acid for texture.

  • Ice cream manufacturers often add alginic acid to improve texture and prevent ice crystals from forming.

  • The pharmaceutical industry uses alginic acid as a binding and stabilizing agent in tablets.

  • As a naturally derived thickener, alginic acid is widely accepted in vegan food products.

Synonyms

alginate
vsalginic acid
  • Specialized
2 6.8

A substance made from seaweed used to thicken or form gels in food and medicine

is the original gelatinous seaweed polysaccharide rather than the salt form
agar
vsalginic acid
  • Specialized
2 6.8

A jelly like substance from seaweed used to grow bacteria and thicken food

is thicker and more focused on food and pharmaceutical emulsifying than lab use
agar-agar
vsalginic acid
  • Specialized
1 7.2

A jelly made from seaweed that makes food firm and helps grow bacteria in labs

is more gelatinous and used for thickening and emulsifying, not firm gelling
algin
vsalginic acid
  • Specialized
1 8.7

A thick, jelly-like substance from brown seaweed used to make food and other products thicker

is the refined polysaccharide often described chemically rather than as a raw extract
carrageenin
vsalginic acid
  • Specialized
1 8.6

A soft, jellylike extract from red seaweed used to thicken food and medicine

is from brown seaweed and focuses on thickening and emulsifying rather than stabilizing

Surface Forms

alginic acid singular
alginic acids plural

Morphology

alginic + acid

The element 'acid' signals a chemical substance, and 'alginic' is a derived form relating to algae/alginate, so a learner might guess it is a seaweed-related chemical. However, 'alginic' is a technical, low-frequency adjective and the precise sense (a gelatinous polysaccharide used as a thickener/emulsifier) requires domain knowledge, so the meaning is only partially predictable.

Etymology

Alginic acid is named after algae, the brown seaweed it comes from, and the word acid, because it is a chemical. When the seaweed is treated it turns into a jelly, so alginic acid is used to 'thicken' foods and help medicines hold together.