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alkaloid    音标拼音: ['ælkəl,ɔɪd]
n. 生物碱,植物碱基

生物硷,植物硷基

alkaloid
n 1: natural bases containing nitrogen found in plants

Alkaloid \Al"ka*loid\ ([a^]l"k[.a]*loid), Alkaloidal
\Al`ka*loid"al\ ([a^]l`k[.a]*loid"al), a. [Alkali -oid: cf. F.
alcalo["i]de.]
1. Pertaining to, resembling, or containing, alkali.
[1913 Webster]

2. of or pertaining to alkaloids.
[WordNet 1.5]


Alkaloid \Al"ka*loid\ ([a^]l"k[.a]*loid), n. (Chem.)
An organic base, especially one of a class of
nitrogen-containing substances occurring ready formed in the
tissues of plants and the bodies of animals.
[1913 Webster]

Note: Alkaloids all contain nitrogen, carbon, and hydrogen,
and many of them also contain oxygen. They include many
of the active principles in plants; thus, morphine and
narcotine are alkaloids found in opium.
[1913 Webster]


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  • Alkaloid - Wikipedia
    Alkaloids are a broad class of naturally occurring organic compounds that contain at least one nitrogen atom Some synthetic compounds of similar structure may also be termed alkaloids [2] Alkaloids are produced by a large variety of organisms including bacteria, fungi, plants, and animals [3]
  • Alkaloid | Definition, Structure, Classification | Britannica
    Alkaloid, any of a class of naturally occurring organic nitrogen-containing bases Alkaloids have diverse and important physiological effects on humans and other animals Well-known alkaloids include morphine, strychnine, quinine, ephedrine, and nicotine
  • Types of Alkaloids Found in Popular Medicinal Plants
    Alkaloids are a diverse group of naturally occurring organic compounds that primarily contain basic nitrogen atoms These compounds are predominantly found in plants and have significant pharmacological effects on humans and animals
  • Alkaloids in Future Drug Discovery - PMC
    Alkaloids are nitrogen-containing compounds, biosynthesized by both marine and terrestrial organisms, often with strong biological properties They are among the largest classes of natural products and are found particularly in plants
  • What Is an Alkaloid? Definition, Sources, and Examples
    Alkaloids are naturally occurring compounds with unique properties These organic molecules are primarily found in plants, but also appear in some fungi and animals Alkaloids exhibit diverse effects on living organisms, ranging from beneficial medicinal actions to potent toxicities
  • Alkaloid - an overview | ScienceDirect Topics
    Alkaloids are defined as a group of naturally occurring chemical compounds that mostly contain basic nitrogen atoms [1] Alkaloid molecules are extremely important for biomedical science
  • The remarkable world of alkaloids: Benefits and risks
    With over 12,000 types discovered in different plants, alkaloids have garnered attention for their remarkable effects, ranging from pain relief to potential cancer treatment Pharmaceutical companies are increasingly incorporating alkaloids into medications to enhance therapeutic outcomes
  • Alkaloid - New World Encyclopedia
    Alkaloids are usually derivatives of amino acids, and many have a bitter taste They are found as secondary metabolites in plants (such as potatoes and tomatoes), animals (such as shellfish), and fungi In many cases, they can be purified from crude extracts by acid-base extraction
  • Home - Alkaloid
    The growth and development trajectory of Alkaloid⁠ reflects decades of continuous investments in manufacturing, research and development, talent, technology, and regional expansion
  • ALKALOID Definition Meaning - Merriam-Webster
    The meaning of ALKALOID is any of numerous usually colorless, complex, and bitter organic bases (such as morphine or caffeine) containing nitrogen and usually oxygen that occur especially in seed plants and are typically physiologically active





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