ALKALOIDS (2)

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20 Terms

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- Crystalline solids and generally white
- Except for berberine - yellow and sanguinarine- red salt
- Contains C and H and Nitrogen as well as Oxygen
- Few are amorphous
- Coniine, nicotine and sparteine lack oxygen in their molecules are liquids
- Alkaloidal salts are crystalline and their crystal form and habit are often useful means of rapid microscopic identification

PROPERTIES OF ALKALOIDS

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Yellow

PROPERTIES OF ALKALOIDS
Crystalline solids and generally white
Except for Berberine:

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Red Salt

PROPERTIES OF ALKALOIDS
Crystalline solids and generally white
Except for Sanguinarine:

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Coniine
Nicotine
Sparteine

PROPERTIES OF ALKALOIDS
Lack oxygen in their molecules are liquids.

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Alkaloidal Salts

PROPERTIES OF ALKALOIDS
Are crystalline and their crystal form and habit are often useful means of rapid microscopic identification.

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1.Poisonous agents protecting the plant against insect and herbivores
2.End products of detoxification reaction representing a metabolic locking-up of compounds otherwise harmful to the plant
3.Regulatory growth factors
4. Reserve substances capable of supplying nitrogen or other elements necessary to the plant's economy

FUNCTIONS OF ALKALOIDS

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PHARMACOLOGIC ACTIONS OF ALKALOIDS
Analgesics and Narcotics

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Strychnine
Brucine

PHARMACOLOGIC ACTIONS OF ALKALOIDS
Central Stimulants

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Atropine

PHARMACOLOGIC ACTIONS OF ALKALOIDS
Mydriatics

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Pilocarpine
Physostigmine

PHARMACOLOGIC ACTIONS OF ALKALOIDS
Miotics