Related Experiment Video
Updated: Apr 18, 2026

06:38
Screening and Isolation of C-Glycoside-Cleaving Intestinal Bacteria
Published on: February 28, 2025
791
Synthesis of oolongtheanins and their inhibitory activity on micellar cholesterol solubility in vitro
Kazuki Ogawa1, Sayumi Hirose1, Hitomi Yamamoto1
1Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.
Bioorganic & Medicinal Chemistry Letters
|January 27, 2015
Abstract:
The synthesis of oolongtheanins (1a-d) was accomplished from EGC and/or EGCg in three steps. Oolongtheanin-3'-O-gallate (1b) showed more potent inhibitory activity on micellar cholesterol solubility than did EGCg.
Related Concept Videos
Enzyme Inhibition
95.4K
Inhibitors are molecules that reduce enzyme activity by binding to the enzyme. In a normally functioning cell, enzymes are regulated by a variety of inhibitors. Drugs and other toxins can also inhibit enzymes. Some inhibitors bind to the enzyme’s active site, while others inhibit enzymatic activity by binding to other sites on the protein structure.
95.4K
Indirect-Acting Cholinergic Agonists: Chemistry and Structure-Activity Relationship
1.2K
Indirect-acting cholinergic agonists are agents that interact with the acetylcholinesterase enzyme in the synaptic cleft, preventing the breakdown of acetylcholine into choline and acetate. Consequently, the concentration of acetylcholine in the synaptic cleft increases. These agonists can be classified into reversible and irreversible inhibitors based on their duration of action.
Reversible inhibitors display short to medium durations of action. Short-acting agents include simple alcohols with...
Reversible inhibitors display short to medium durations of action. Short-acting agents include simple alcohols with...
1.2K
Indirect-Acting Cholinergic Agonists: Mechanism of Action
3.0K
Indirect-acting cholinergic agonists work by interacting with an enzyme called acetylcholinesterase (AChE) in the synaptic cleft. They can be reversible or irreversible inhibitors and have different effects on the enzyme.
Reversible inhibitors like edrophonium bind to a specific part of the enzyme called the anionic catalytic site. They form noncovalent bonds, which means they are not strongly attached to the enzyme. This creates a temporary and less stable enzyme–inhibitor complex,...
Reversible inhibitors like edrophonium bind to a specific part of the enzyme called the anionic catalytic site. They form noncovalent bonds, which means they are not strongly attached to the enzyme. This creates a temporary and less stable enzyme–inhibitor complex,...
3.0K

