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Venatto
Polyglutamic
Acid (y-PGA)
Introduction of Venatto Gamma Polyglutamic Acid (γ-PGA) :Gramma Polyglutamic acid biopolymer (hereinafter called as γ-PGA (Picture 1) uses the main material as glutamic acid, nitrogen, and organic carbon and mineral and thanks to bacterial fermentation, forming polymer, this substance enhances the ability of nutrient absorption. Due to its special chemical structure, the γ-PGA molecule has strong hydrophilic property, high adhesion property, absorption property of metal and many other functions. Furthermore, γ-PGA is a non-toxic and biodecom-position substance, for that reason, γ-PGA can widely be applied in many fields such as food, cosmetics, health food, medicine and pharmaceuticals, agricultural production and environment treatment. γ-PGA was first found in a kind of Japanese food – called as natto ( a product of soybean fermentation) in which the substance in the form of adhesive can be drawn into fibre, of which γ-PGA holds for more than 55%, the remaining of 40% is Levan. Vedan Corporation has used the bacteria Bacillus subtilis var .natto, L-GA, through the mechanism of Salvage Bioconversion Pathway, it has been synthesized Lysine molecule (mono-amino acid polymer), and then form γ-PGA with the degree of polymerization from 1,000 to 15,000 molecules, its molecular weight ranging from 100K to 3,000K.
Picture 1: The chemical structure of gamma-Polyglutamic acid (γ-PGA) and its (M) γ-PGA salt (including M= K+, Na+, NH4+, or Ca2+, Mg2+)
2. Product Specification:
| No. | Characteristics/ Technical standards | Unit | Critical level | Testing method |
| 1 | Product form | Liquid | Organoleptic | |
| 2 | Organoleptic target | Dark brown | Organoleptic | |
| 3 | pH (≥5,0%) |
5 |
TCVN 5979:2007 | |
| 4 | Total Nitrogen (N) | % |
1 |
TCVN 8557:2010 |
| 5 | Glutamic acid content, No less than | % |
2 |
AOAC 2012 (994.12) |
| 6 | Polyglutamic acid content, No less than | % |
3,5 |
HPLC – Methods supplied
by Vedan |
3. Applications in agriculture:
3.1 Usage: Activating the growth of root system, increasing the nutrient uptake capacity of the crops, helping the rapid growth of the crops, the strong growth of leaves, making fruits bigger, increasing the yield and quality for crops.
3.Using method:
1.Fertilizer Supplement:
Dose: 15-20 L/time.
Dose for leaves spraying: 300-500 L/time.
2.Dose of fertilizer applying for soil: 800-1000
3.Periodic supplement: 7-10 days/time, 3-4 times/month
3.3 Using result on the plant:
a, Tapioca:
| Kind | The number of plants surveyed | The average weight of bulb |
The weight percentage of bulb on the crops fertilized PGA and not fertilized PGA With PGA |
||
| With PGA | With out γ-PGA | With γ-PGA | Without γ-PGA | ||
| KM140 | 8 crops | 8 crops | 362,5 g | 185,6 g | 195 % |
| KM 94 | 10 crops | 10 crops | 261,5 | 109,0 | 240 % |
b. Cauliflower
c. Cucumber
d. Strawberry
e. Pumpkin
f. Corn
g. Cabbage:
| With γ-PGA | 480 thùng*20kg= 9.600 kg/1.500 m2 |
| With out γ-PGA | 423 thùng*20kg=8.460 kg/ 1.500 m2 |
h. Atiso Fesuce
| The height of trees |
The length of roots |
|||
| Atiso | Fescue |
Fescue |
Atiso |
|
| Group for comparison | 6-8 cm | 4-7 cm | Group for comparison | 6-8 cm |
| Result of experiment (added PGA) | 14-18 cm | 10-14 cm | Result of experiment (added PGA) | 14-18 cm |
♦ If you have more concerns or any questions relating to Venatto Polyglutamic Acid product, please click on Q&A Inbox to send an email or directly make a call to hotline: 1800599902, our PIC will give you detailed feedbacks in the shortest time. Wishing you all the best.
