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Pullulan

Pullulan powder is a polysaccharide polymer that exhibits a range of chemical properties making it suitable for various applications in the food, pharmaceutical, and packaging industries. Derived from the fermentation process of the fungus Aureobasidium pullulans, pullulan is composed of maltotriose units, which themselves are made up of three glucose molecules connected by α-1,4 glycosidic bonds. The maltotriose units are further linked to each other by α-1,6 glycosidic bonds. This unique structure endows pullulan with its distinctive chemical and physical properties.
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About Pullulan:

Appearance: typically appears as a white to off-white, fine crystalline powder.


    Applications of Pullulan:

    Food Industry:

    p6

    Edible Film and Coatings: Pullulan's excellent film-forming ability makes it ideal for creating edible films and coatings that can encapsulate food items, thereby extending their shelf life by acting as a barrier to oxygen, lipids, and water vapor.

    Low-Calorie Food Products: Due to its low digestibility, pullulan is used in low-calorie diets and food products as a bulking agent, providing texture and volume without significantly increasing caloric intake.

    Fiber Supplement: Pullulan is sometimes added to foods as a source of dietary fiber.

    Pharmaceutical Industry:

    p5

    Capsules: Pullulan is used to produce capsules for medications and dietary supplements. Its natural origin and ability to form oxygen-impermeable capsules make it a preferred choice for protecting sensitive ingredients from oxidation, as well as for consumers seeking vegetarian or vegan capsule options.

    Excipient: In pharmaceutical formulations, pullulan can serve as a binder, film-former, and disintegrant, improving the physical properties of tablets and other solid dosage forms.

    Cosmetic Industry:

    p9Film-forming Agent: In cosmetic products, pullulan is valued for its ability to form films, which can provide a tightening effect on the skin, thus it is often found in anti-aging products. It also helps to stabilize emulsions and suspend particles in various cosmetic formulations.

    Agriculture:

    Seed Coatings: Pullulan coatings on seeds can protect them from environmental stresses and help to control the release of agrochemicals, contributing to more sustainable farming practices.


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