High-Quality Esculin
Esculin
Esculin, with a minimum purity of 98%, is a coumarin glucoside (C15H16O9 · 1.5 H2O, molecular weight 367.29, CAS: 66778-17-4). Also known as æsculin or Aesculin, it is found in horse chestnut, California buckeye, chicory, prickly box, ash trees, daphnin resin, dandelion coffee, and olive bark.
Microbiology
​Properties
Bacterial Identification
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Esculin, when combined with ferric citrate and bile salts in bile esculin agar, helps in identifying bacterial species by forming dark brown or black complexes upon hydrolysis.
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This property is useful in distinguishing Enterococcus, Aerococcus, and Leuconostoc species.
Antioxidant and Antimicrobial Properties
Personal Care
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Esculin's antioxidant properties are beneficial across various applications, protecting against oxidative damage.​
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Its antimicrobial activity enhances formulations by reducing bacterial growth and potentially eliminating the need for synthetic preservatives.
Product Applications
Skin Care
Esculin is a versatile ingredient in skincare products.
Its antioxidant properties protect the skin from oxidative damage caused by environmental factors, while its anti-inflammatory effects soothe and calm the skin.
Esculin also offers moisturizing benefits, helping to hydrate and maintain skin balance, making it an ideal addition to creams, lotions, and serums designed for comprehensive skin care.
Additionally, its potential skin-brightening properties enhance the overall appearance and radiance of the skin.
Oral Care
Esculin is an effective ingredient in oral care products such as toothpaste.
Its antimicrobial properties help reduce plaque and prevent dental caries, while its anti-inflammatory effects soothe gum inflammation and discomfort.
Microbiology
Esculin is a valuable tool in microbiology labs for identifying bacterial species.
When used in bile esculin agar, it helps differentiate bacteria like Enterococcus, Aerococcus, and Leuconostoc by forming distinct dark brown or black complexes upon hydrolysis.
UV Protection
Esculin is a natural UV filter used in sun cream formulations.
It protects the skin from harmful UV rays, neutralizes free radicals, and reduces inflammation caused by sun exposure. Additionally, it may help brighten the skin and improve its overall appearance.