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单词 porphyroxine
释义

Definition of porphyroxine in English:

porphyroxine

(also porphyroxin)
noun ˌpɔːfɪˈrɒksiːn
Chemistry
  • A pentacyclic phenolic alkaloid, C₂₀H₂₁NO₆, originally derived in an impure state from opium and present in various species of poppy.

Origin

Mid 19th century; earliest use found in Robert Thomson (1810–1864), medical officer of health. From German Porphyroxin from ancient Greek πορϕύρα purple + oxy- + -in; so called because it gives a red colour when heated with dilute mineral acid.

 
 

Definition of porphyroxine in US English:

porphyroxine

(also porphyroxin)
nounˌpɔːfɪˈrɒksiːn
Chemistry
  • A pentacyclic phenolic alkaloid, C₂₀H₂₁NO₆, originally derived in an impure state from opium and present in various species of poppy.

Origin

Mid 19th century; earliest use found in Robert Thomson (1810–1864), medical officer of health. From German Porphyroxin from ancient Greek πορϕύρα purple + oxy- + -in; so called because it gives a red colour when heated with dilute mineral acid.

 
 
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更新时间:2024/12/24 10:01:00