Date published: 2026-7-14

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T2R3 Inhibitors

T2R3 (E-12) inhibitors belong to a specific chemical class that is primarily known for its inhibitory properties targeting the T2R3 (E-12) receptor. These inhibitors are designed to interact with and modulate the activity of this particular receptor. T2R3 (E-12) is a member of the bitter taste receptor family, which is predominantly expressed in the taste buds of the tongue. It plays a crucial role in detecting and transducing bitter taste signals, thus contributing to the perception of bitterness in various substances. The chemical structure of T2R3 (E-12) inhibitors is characterized by specific molecular features that enable them to bind to the T2R3 (E-12) receptor with high affinity and selectivity. Through this binding interaction, these inhibitors exert their inhibitory effects by blocking the activation of the receptor or interfering with its downstream signaling pathways. This modulation of the T2R3 (E-12) receptor activity can affect the perception of bitter tastes, leading to a reduced or altered perception of bitterness in the presence of bitter compounds. The discovery and development of T2R3 (E-12) inhibitors have been driven by the desire to understand the molecular mechanisms underlying bitter taste perception and to explore potential applications in various fields. Researchers have been investigating these inhibitors to unravel the complex signaling pathways involved in taste perception and to gain insights into the broader understanding of taste physiology. Furthermore, the use of T2R3 (E-12) inhibitors as research tools has been invaluable in studying taste preferences, food choices, and the sensory perception of bitterness. By selectively inhibiting the T2R3 (E-12) receptor, researchers can investigate the impact of bitter taste modulation on food and beverage preferences, as well as potential implications for sensory-based consumer products. Overall, T2R3 (E-12) inhibitors represent an important class of compounds that specifically target the T2R3 (E-12) receptor, with the potential to modulate bitter taste perception. These inhibitors have played a crucial role in advancing our understanding of taste physiology and have provided valuable tools for exploring the broader implications of taste modulation in various research fields.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

PTC124

775304-57-9sc-203222
sc-203222A
2 mg
5 mg
$203.00
$416.00
2
(1)

Ataluren is an investigational compound that has been studied for its ability to modulate multiple taste receptors, including TAS2R3.

Probenecid

57-66-9sc-202773
sc-202773A
sc-202773B
sc-202773C
1 g
5 g
25 g
100 g
$28.00
$39.00
$100.00
$277.00
28
(2)

Although primarily used as a uricosuric agent for gout, probenecid has been found to inhibit TAS2R3, thereby reducing bitterness.

Diphenhydramine Citrate

88637-37-0sc-497028
100 mg
$330.00
(0)

Diphenhydramine, an antihistamine and sedative, has been reported to have TAS2R3 inhibitory effects.

Gallotannin

1401-55-4sc-202619
sc-202619A
sc-202619B
sc-202619C
sc-202619D
sc-202619E
sc-202619F
1 g
10 g
100 g
250 g
1 kg
2.5 kg
5 kg
$26.00
$37.00
$67.00
$78.00
$234.00
$536.00
$983.00
12
(1)

Tannic acid is a naturally occurring compound found in plants, particularly in grapes and tea. It can inhibit TAS2R3 and contribute to the reduction of bitterness.

Naringenin

480-41-1sc-219338
25 g
$245.00
11
(1)

Naringin is a flavonoid present in citrus fruits and has been reported to possess TAS2R3 inhibitory properties, thereby decreasing bitterness.

Neohesperidin dihydrochalcone

20702-77-6sc-219345
sc-219345A
1 g
5 g
$117.00
$535.00
(0)

NHDC is an artificial sweetener found in citrus fruits. In addition to its sweet taste, it can act as a TAS2R3 inhibitor, reducing bitterness.

Sucralose

56038-13-2sc-222332
sc-222332A
100 mg
1 g
$133.00
$463.00
(0)

Sucralose is a non-caloric artificial sweetener that is widely used in various food and beverage products. It has been suggested to have TAS2R3 inhibitory effects.