alkaloid; nitrogenous organic base
Tone colorsmāmámǎmàma
Meanings
1 sense · 4 examplesnoun
alkaloid; a class of basic, nitrogen-containing organic compounds typically found in plants
In chemistry and pharmacology, this term specifically refers to naturally occurring alkaline substances such as morphine, nicotine, cocaine, and quinine. Many alkaloids have significant physiological effects on humans and are used as medicines or psychoactive substances.
Mǎ吗
fēi啡
hé和
kuí奎
níng宁
dōu都
shì是
zhòng重
yào要
de的
shēng生
wù物
jiǎn碱
lèi类
yào药
wù物
。
Morphine and quinine are both important alkaloid-based medications.
Yān烟
cǎo草
zhōng中
de的
ní尼
gǔ古
dīng丁
shì是
yī一
zhǒng种
yǒu有
dú毒
de的
shēng生
wù物
jiǎn碱
。
Nicotine in tobacco is a toxic alkaloid.
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Kē科
xué学
jiā家
men们
cóng从
zhè这
zhǒng种
rè热
dài带
zhí植
wù物
zhōng中
tí提
qǔ取
le了
xīn新
de的
shēng生
wù物
jiǎn碱
。
Scientists extracted new alkaloids from this tropical plant.
Xǔ许
duō多
tiān天
rán然
shēng生
wù物
jiǎn碱
jù具
yǒu有
xiǎn显
zhù著
de的
shēng生
lǐ理
huó活
xìng性
。
Many natural alkaloids exhibit significant physiological activity.