What are The Applications of Polyglutamic Acid in Cosmetics and Agriculture?

 

Polyglutamic acid, also called Poly-γ-Glutamic acid, referred to as γ-PGA, has moisturizing properties, high viscosity, non-toxicity, metal chelating properties, biodegradability and biocompatibility.

 

Application scope of polyglutamic acid:

 

1. Cosmetic grade, food grade: molecular weight 700,000.

2. Pharmaceutical grade: molecular weight 1 million.

3. Water treatment grade: molecular weight 1.5 million.

4. Soil and plant regulator grade: molecular weight below 20,000.

 

 

Items	Standards	Results
Physical Analysis
Appearance	Fine Powder	Conforms
Color	White	Conforms
Odor	Characteristic	Conforms
Mesh Size	100% through 80% mesh size	Conforms
General Analysis
Identification	Identical to R.S. sample	Conforms
polyglutamic acid	≥98%	99.1%
Extract Solvents	Water and Ethanol	Conforms
Loss on Drying (g/100g)	≤5.0	3.24%
Ash(g/100g)	≤5.0	2.05%
Chemical Analysis
Pesticides Residue (mg/kg)	0.05	Conforms
Residual Solvent	<0.05%	Conforms
Residual Radiation	Negative	Conforms
Lead(Pb) (mg/kg)	<3.0	Conforms
Arsenic(As) (mg/kg)	<2.0	Conforms
Cadmium(Cd) (mg/kg)	<1.0	Conforms
Mercury(Hg) (mg/kg)	<0.1	Conforms
Microbiological Analysis
Total Plate Count(cfu/g)	≤1,000	300
Molds and Yeast (cfu/g)	≤100	29
Coliforms (cfu/g)	Negative	Conforms
Salmonella(/25g)	Negative	Conforms

 

 

1. Water retention
First of all, it has very good water retention, which we call water and fertilizer retention. It combines fertilizer and water to reduce water loss and resist drought.

 

According to its molecular structure, it has a very good function of chelating trace elements. Furthermore, polyglutamic acid powder itself belongs to the microbial category. , so it has the effect of improving the soil microbial structure.

 

2. Improve plant resistance
It acts as a biological stimulus and signaling substance. It can greatly improve the efficiency of plant photosynthesis; moreover, it can upregulate plant stress-related genes and improve resistance.

 

3. Improve plants' frost resistance
Polyglutamic acid reduces malondialdehyde content, enhances proline accumulation, increases antioxidant enzyme activity, and improves plant freezing resistance.

 

4. Promote the absorption of trace elements
Best polyglutamic acid has polynegative electricity, which can effectively prevent the combination of sulfate, phosphate, oxalate, carbonate and other ions with calcium ions, magnesium ions and trace elements, and avoid the production of low-solubility salts and precipitation, so it is more It can promote the absorption and utilization of nutrients such as medium and trace elements and phosphate fertilizers.

 

5. Promote plant growth
It promotes growth, has well-developed root system and good nutrient absorption, synergizes with fertilizer and water, has thick leaves, high photosynthetic efficiency, and strong crops.

 

 

6. Balance soil pH
It has excellent buffering ability against acids and alkalis, and can effectively balance the soil pH and avoid acidic soil and soil fragmentation caused by long-term use of chemical fertilizers.

 

7. Cosmetic effects
Polyglutamic acid for skin has super water-retaining properties. It also has the ability to chelate metal ions, has good antibacterial properties, film-forming properties, strong smoothness and sustained release capabilities, making it very suitable for use in cosmetics to enhance and extend the moisturizing effect.

 

In addition, γ-PGA also has a synergistic antioxidant effect with vitamin C and a whitening effect that inhibits skin tyrosinase activity.

 

8. Improve fertilizer utilization efficiency
It plays a very good role in improving the utilization rate of fertilizer and extending the function of fertilizer, thus reducing the amount of fertilizer and increasing the quality and agricultural output.

 

Therefore, the economic benefits generated are indescribable to its contribution and to farmers. It has a great contribution to the cost reduction.

 

9. Protect plant roots
Integrate plant nutrition and water-active components in the soil, and increase the ability to resist salt, drought, stress, and fertility loss.

 

Polyglutamic acid PGA itself has a natural promoting effect on plant roots, stimulating the regeneration of root hairs and the growth of the root system, thus improving the ability of the underground parts of the plant to absorb nutrients, effectively ensuring water and nutrients when adversities such as drought, waterlogging, and low temperature come.

 

Normal absorption can buffer the damage caused to plant roots by drought, flood, cold and other adversities.

 

 

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