Limonin powder is a limonoid, and a bitter, white, crystalline substance found in citrus and other plants. 

It is also known as limonoate D-ring-lactone and limonoic acid di-delta-lactone. Chemically, it is a member of the class of compounds known as furanolactones.

Functrions of Limonin Powder

1. Antioxidant and antitumor activity;

2. Antimicrobial, antiviral activity against a variety of viruses, including herpes simplex virus (HSV) and HIV-1;

3. Mild sedatives, anxiety reduction and hypnotics;

4. Modulate for mood and cognitive enhancement, mild sedative and sleep aid;

5. Memory-enhancing properties;

6. Limonin powder widely used as a mild sedative and antibacterial agent.