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Product details
What is guar gum powder?
Guar gum powder is a high-purity polysaccharide extracted from the endosperm of the guar bean (Cyamopsis tetragonolobus), with galactomannan as its main component. Its molecular structure consists of linear mannose units and side-chain galactose units. This unique arrangement gives it:
1. Biological immobilization carrier material: Guar gum can be used for the preparation of immobilized tyrosinase biofilm.
2. Application in the field of controlled drug release: Guar gum is a natural galactomannan polymer, which is only degraded by bacteria in the colon, and is an important candidate material for targeted colonic drug release. However, its high water solubility and dilatability lead to intra-gastric release of drugs, which limits its application.
3. Application in fisheries and environmental protection: the addition of guar gum as a binder to feed significantly enhances the particle stability and mechanical strength of fish feces, facilitates the timely cleaning of feces, and reduces the harm to fish.
Uses of Guar gum.
1. Food grade: Frozen food: prevent ice residue, increase freezing stability. Baked goods: Keep the humidity, change the texture. Beverage: Improve taste and stabilize particle suspension. Salad dressing: Thickening agent instead of oil. Cheese and cream: Texture. Cooked meat food: maintain the water juice, increase the greasy feeling. Vegetarian meat: Substitute fatty ingredients. Stay hydrated. Pet products: increase the lubricity and maintain humidity.
2. Industrial level: oil well fracturing and other drilling industry. Carpet, textile printing and dyeing and leather chemicals. Building materials, cement, paint, porcelain. Paper industry, pharmaceutical industry. Shampoo, detergent, skin care products, cosmetics. Mosquito repellent. Latex paint, exterior wall latex paint.
Function of Guar gum.
Guar gum has always been an effective additive for paper making. According to its use, guar gum can be classified into in-pulp addition, surface sizing and coating. The addition of guar gum to the slurry has the following advantages:
1) Improve the tensile strength of paper;
2) Improve surface strength and improve printability;
3) Improve the retention rate of fillers and fine fibers;
4) Improve the evenness of the paper, Guar gum improves the water filtering performance of the paper machine mesh by micro-flocculation, and the evenness of the paper will not be destroyed;
5) Reduce the difference between two sides of the paper; Improve the interlayer bonding strength of paperboard.
Guar gum for surface sizing, the improvement of paper surface properties is particularly obvious:
1) It can improve the surface strength of the paper, improve the printability, and have no effect on the air permeability of the paper;
2) Improve oil resistance and solvent resistance;
3) Improve the stability of the surface sizing solution;
4) Can improve coating performance;
5) Improve the glue-philicity of the paper surface. Guar gum for coating can improve the performance of coatings:
6) Improve the water retention of the coating;
7) Improve the rheology of the paint.
Product Method of Bulk Guar gum Powder.
It is made from the seed of Guar bean rCyamposi5. The endosperm of a ragonolobus or C. persdraloides is peeled and degerminated, dried and crushed, water is added, hydrolyzed under pressure, precipitated with 20% ethanol, centrifuged, dried and crushed.
It is found mainly in the dry areas of Pakistan and India and in the southeastern United States.
Guar Gum Powder FAQs
Q1: What is the difference between guar gum powder and xanthan gum? Which is more suitable for my product?
Guar gum dissolves better in cold water, forming a softer gel structure, while xanthan gum is more stable over a wide temperature and pH range. For products requiring high transparency or acidic systems, xanthan gum may be more suitable; while for neutral products requiring high viscosity and rapid hydration, guar gum is more economical and efficient. In many applications, the two are used in combination to complement each other's properties.
Q2: Will guar gum powder cause allergies or intolerances?
Guar gum is generally considered safe (GRAS status) and does not contain common allergens. However, a very small number of individuals may be sensitive to it, especially at high doses, which may cause gastrointestinal discomfort. It is recommended to clearly indicate this on the product label and follow the recommended dosage.
Q3: How to properly store guar gum powder to maintain its performance?
Guar gum powder should be stored in a cool (below 25°C), dry (relative humidity <50%) environment, avoiding direct sunlight. Once opened, it must be sealed tightly to prevent moisture absorption and clumping. Under proper storage conditions, the shelf life is typically 24 months.
Q4: What is the recommended dosage of guar gum powder?
The dosage varies depending on the application:
Baking products: 0.1-0.3%
Sauces and condiments: 0.2-0.8%
Dairy products: 0.1-0.5%
Beverages: 0.05-0.2% It is recommended to start with a small dose and gradually adjust according to the required viscosity.
Q5: Will guar gum powder affect the flavor of the product?
High-quality food-grade guar gum powder is virtually tasteless and odorless and will not mask the original flavor of the product. However, low-quality or industrial-grade products may have a slight beany taste. It is recommended to choose refined food-grade specifications to ensure a neutral flavor.
Q6: Is guar gum powder permitted in organic products?
Yes, guar gum powder is permitted for use as a processing aid under the EU Organic Regulation (EC 834/2007) and the USDA National Organic Program (NOP). However, it is essential to ensure that the supplier provides the corresponding organic certification.
Q7: How to verify the quality of guar gum powder?
Key quality indicators include: viscosity (1% solution), particle size (affecting dissolution rate), ash content (purity indicator), and microbiological indicators. Suppliers should provide a Certificate of Analysis (COA) for each batch, and third-party laboratory verification may be considered.
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