Polyglutamic acid with the CAS number 25513 - 46 - 6 is a high - quality product offered at a competitive price. Chemically, it is a biodegradable, water - soluble, and non - toxic polymer composed of glutamic acid units. It has a high molecular weight, which endows it with excellent physical and chemical properties. The product usually comes in a powder form with a white to off - white color. It is highly stable under normal storage conditions, but it is recommended to store it in a cool, dry place away from direct sunlight to maintain its quality over time.
1. Cosmetics Industry: Polyglutamic acid is a superior moisturizer. It can absorb and retain a large amount of water, helping the skin to stay hydrated for a long time. It can be added to various skincare products such as moisturizers, serums, and masks. By enhancing skin moisture content, it reduces the appearance of fine lines and wrinkles, making the skin look smoother and more youthful.
2. Agriculture: It can be used as a soil conditioner. Polyglutamic acid can improve soil structure, increase soil water - holding capacity, and enhance nutrient retention. This helps plants to absorb nutrients more effectively, leading to better growth, increased yields, and improved crop quality.
3. Biomedical Field: Due to its biocompatibility and non - toxicity, it can be used in drug delivery systems. It can encapsulate drugs and release them in a controlled manner, improving the efficacy and safety of drug treatment.
1. Cosmetics: When formulating cosmetics, the recommended addition amount of polyglutamic acid is usually 0.1% - 2%. First, dissolve the polyglutamic acid in water or other suitable solvents under gentle stirring at room temperature. Then, add the solution to the cosmetic base during the formulation process.
2. Agriculture: For soil treatment, it can be dissolved in water to form a solution with a concentration of 0.05% - 0.2%. Spray the solution evenly on the soil surface or apply it through irrigation systems. The frequency of application depends on soil conditions and crop requirements, generally once every few months.
3. Biomedical: In drug delivery applications, the specific usage needs to be determined according to the type of drug and the design of the delivery system. Professional pharmaceutical R & D personnel should conduct in - depth research and experimentation.
1. Cosmetics Case: A well - known skincare brand added polyglutamic acid to their new serum. Through a consumer trial involving 100 participants with dry skin, after using the serum for 4 weeks, 80% of the participants reported a significant improvement in skin moisture. Skin elasticity also increased, and fine lines around the eyes and mouth became less noticeable.
2. Agriculture Case: A large - scale farm in a semi - arid region applied polyglutamic acid to their wheat fields. Compared with the control fields without the application, the treated fields had a 15% increase in soil water - holding capacity. The wheat yield increased by 12%, and the protein content in the wheat grains also improved, resulting in higher - quality wheat products.
3. Biomedical Case: A research team used polyglutamic acid to encapsulate an anti - cancer drug. In animal experiments, the encapsulated drug showed better targeting ability to tumor cells and a longer circulation time in the body. This led to a more effective inhibition of tumor growth with fewer side effects compared to the free drug.
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Este es William, CEO de Zhishang Chemical Co., Ltd.
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