citric acid

Sour fruit compound

Citric acid is a weak organic acid found naturally in citrus fruits like lemons, limes, and oranges, giving them their characteristic sour taste.

It is widely used as a preservative and flavoring agent in foods and beverages, and appears in household cleaning products and cosmetics.

In biochemistry, citric acid plays a central role in the Krebs cycle, the metabolic pathway that generates energy in living cells.

citrus

lemon

Acidic yellow citrus

tangerine · pomelo · kumquat · yuzu · bergamot · satsuma · clementine · mandarin · blood orange · key lime

flavor

sour

Sharp, biting taste

  • tartSharp-flavored small pie
  • tangySharp and lively-tasting
  • acidicBelow neutral pH

zesty · sharp · lemony · puckery · sourness · acidulous · subacid · bright · citrusy · punch

chemistry

molecule

Bonded atomic group

chelating · synthesis · pKa · solubility · titration · esterification · biochemistry · metabolism · fermentation · buffer

preservation

antioxidant

Oxidation-preventing molecule

additive · freshness · food-grade · sequestrant · canning · pickling

cleaning

descaler

Dissolves mineral deposits

calcium deposits · rust remover · dishwasher · bathroom · eco-friendly · nontoxic · degreaser · showerhead · coffee maker

Categories
Opposites
acid-base chemistry

citric acidsodium hydroxide

Corrosive alkaline compound

lye · caustic soda · potassium hydroxide · ammonia · base

organic acid type

citric acidsulfuric acid

Corrosive H₂SO₄ compound

hydrochloric acid · nitric acid · hydrofluoric acid · strong acid · battery acid

natural vs. synthetic origin

citric acidphosphoric acid

H₃PO₄ chemical compound

Family

acid, citrus, citron, citronella, citrate, citrates

Familiarity
Top 200,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G