different between xanthine vs guanine

English

Etymology

From French xanthine, ultimately from Ancient Greek ?????? (xanthós, “yellow”), because xanthine is yellowish-white.

Pronunciation

• Homophones: xanthein, xanthene

Noun

xanthine (plural xanthines)

1. (chemistry) Any of a group of alkaloids that include caffeine, theophylline, and theobromine as well as the parent compound, a precursor of uric acid found in many organs of the body.

Usage notes

• There is much confusion between this word and xanthein, and they are often interchanged.

Derived terms

• methylxanthine
• nonxanthine
• xanthine oxidase

Translations

Anagrams

• xanthein

French

Etymology

Ancient Greek ?????? (xanthós, “yellow”), because xanthine is yellowish-white.

Noun

xanthine f (plural xanthines)

1. xanthine

Further reading

• “xanthine” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Anagrams

• Xanthien

English

Alternative forms

• guanin (dated)

Etymology

guano +? -ine. Guanine was named by the German chemist Julius Bodo Unger in 1846 who isolated it from guano.

Pronunciation

• IPA^(key): /??w??.ni?n/

Noun

guanine (plural guanines)

1. (chemistry) A substance first obtained from guano; it is a nucleic base and pairs with cytosine in DNA and RNA (by means of three hydrogen bonds).

Hypernyms

• nucleobase
• purine

Related terms

• guanosine
• guanylate
• guanylic acid

Derived terms

See also

• inosine (a nucleobase susbstitute for guanine)

Translations

Further reading

• David Barthelmy (1997–2021) , “Guanine”, in Webmineral Mineralogy Database
• “guanine”, in Mindat.org?^[1], Hudson Institute of Mineralogy, 2000–2021.

Anagrams

• Guinean, anguine

French

Noun

guanine f (plural guanines)

1. guanine