Term
| List proteins considered primary metabolic products |
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Definition
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Term
| List three primary metabolites derived from aromatic amino acids |
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Definition
1. Phenols
2. Tannins
3. Lignin |
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Term
| List three secondary metabolites derived from aliphatic amino acids |
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Definition
1. Alkaloids
2. Peptides
3. Penicillin |
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Term
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Definition
Naturally occurring, organic nitrogenous compounds that are usually basic and derived from amino acids
Derived from plants |
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Term
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Definition
| Products derived from amino acids with nitrogen in a ring structure |
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Term
| How are proto-alkaloids different from true alkaloids? |
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Definition
| Derived from amino acids, but the nitrogen is in a side chain instead of a ring |
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Term
| How are pseudo-alkaloids different from true alkaloids? |
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Definition
Products that behave like alkaloids and nitrogen in ring structure
But are NOT derived from amino aicds
Produced in mammals |
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Term
| List properties of alkaloids |
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Definition
-Solids (usually)
-Basic in nature
-Base and salt forms
-Precipitate with alkaloidal reagents
-Watch for toxicity |
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Term
| List two alkaloidal reagents |
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Definition
-Mayer's Reagent
-Dragendorff's Reagent |
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Term
| List a few of the major classes of alkaloids |
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Definition
1. Nicotine
2. Atropine
3. Quinine
4. Caffeine
5. Anything with a pyrrole or imidazole
6. Purines |
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Term
| What two types of alkaloids are derived from tyrosine? |
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Definition
Isoquinoline alkaloids
Phenanthrene alkaloids |
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Term
| How can you test a solution for morphine? |
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Definition
| Add ferrous solution, it will react with meconic acid (found with morphine) |
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Term
| How do you classify alkaloids? |
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Definition
1. Look where the nitrogen is. Decide if it is a true alkaloid or pseudo-alkaloid.
2. See what amino acid structure contributed the N |
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Term
| List five antibiotics derived from amino acid metabolism |
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Definition
1. Penicillins
2. Cephalosporins
3. Chloramphenicol
4. Cycloserine
5. Dactinomycin |
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Term
| What amino acids contribute to the structure of penicillin? |
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Definition
| Cysteine, Valine, Phenylalanine |
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Term
| List two polypeptide antibiotics that are composed of both L and D acids |
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Definition
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