AGRICULTURE AND THE ENVIRONMENT

Heavy metal content of some nutritional products used in agriculture.

COMPARISON BETWEEN PRODUCTS BASED ON DERIVATIVES OF HYDROLIZED OR FERMENTED PROTEIN AND PRODUCTS  BASED ON L-AMINO ACIDS AND BIOLOGICALLY ACTIVE OLIGOPEPTIDES OBTAINED VIA CELL PATHWAY SYNTHESIS (INAGROSA´S PRODUCTS).

 

Maximum admissible content of heavy metals. Spanish official regulations

EU regulations

INAGROSA´S Products.

Analysis carried out by:

Products based on derivatives from hydrolysed or fermented protein.

Heavy metals

O.M. 19-6-91

ppm

O.M. 28-5-98

ppm




ppm

Laboratory of the Ministry of Agriculture (1)

mg/Kg   d.m.

Certified Private Laboratory (2)


mg/Kg   d.m. 

Average in samples of four products on the market

Max. content found in samples

Min. content found in samples

 

mg/Kg d.m.

mg/Kg d.m.

mg/Kg d.m.

Aminol-Forte 

Humiforte

Aminol-Forte 

Humiforte

mg/Kg d.m.

mg/Kg d.m.

mg/Kg d.m.

Cadmium (Cd)

     30

       3

            1

< 0.008

< 0.008

< 0.0010

0.0660

    185

      280

    25

Copper (Cu)

1,500

   450

        350

   0.140

  0.100

   0.1606

0.1386

  2,700

    3,250

2,500

Nickel (Ni)

   350

   120

          40

    0.201

  0.065

< 0.0100

0.2498

     650

       910

   506

Lead (Pb)

1,000

   150

            5

   0.141

  0.202

< 0.0500

< 0.0500

  1,300

    2,575

   860

Zinc (Zn)

3,000

1,100

       500

  0.160

  0.340

   0.1065

0.3111

  4,500

    4,900

3,900

Mercury (Hg)

    20

       5

           1

< 0.002

  <0.002

< 0.1000

< 0.1000

       15

         27

    10

Chromium (Cr)

  750

  270

 45

<0.040

  0.417

   0.0175

0.1153

  1,425

   1,560

1,360

Selenium (Se)

-

-

0.5

-

-

< 0.1000

< 0.1000

       30

       35

     25

Total

6,650

2,098

942.5

 0.692

 0.757

   0.5456

1.1306

10,805

13,537

9,186

(1)    Spectrophotometry (2)   Spectrophotometry ICP


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