A glass of wine

Molecules in this world 6

• EthanolC2H6O

  In this everyday world from source

  The alcohol in wine, beer, and spirits, and what the body reads as intoxicating.

  As a pure substance: LD50 5,628 mg/kg (rat, oral) from source

• ResveratrolC14H12O3

  In this everyday world from source

  A plant molecule in red grape skins and red wine, much studied and much debated.

  As a pure substance, its GHS hazard label: signal word Danger; Corrosive, Irritant from source

• Tannic acidC76H52O46

  In this everyday world from source

  The dry, puckery grip of red wine and strong tea, the feel of tannins on your tongue.

  As a pure substance, its GHS hazard label: signal word Warning; Irritant from source

• Tartaric acidC4H6O6

  In this everyday world from source

  The sharp fruit acid of grapes that gives wine much of its crisp tartness.

  As a pure substance, its GHS hazard label: signal word Danger; Corrosive, Irritant from source

• Malic acidC4H6O5

  In this everyday world from source

  The green-apple sourness found in apples, grapes, and many other fruits.

  As a pure substance: LD50 3,000 mg/kg (rabbit, oral) from source

• CyanidinC15H11O6+

  In this everyday world from source

  The deep red-purple pigment that colors red grapes, berries, and red wine.