Acai Fruit

The filtration technique is fundamental in determining the quality of a whey protein. CROSS-FLOW MICROFILTRATION (CFM) is a purification technique operating at low temperatures and without the use of chemicals. The process preserves protein subfractions with high biological value such as lactoferrin, glycomacropeptides and immunoglobulins with important functions in the body (antiviral, anti-inflammations, anti-oxidative).

Other techniques, such as ion-exchange, are not capable of maintaining these important protein subfractions and they use chemical reagents, such as hydrochloric acid, that degrade the product.

Typical Amino Acid Profile of CFM Whey Proteinstrong


% of the Protein


(7, 8, 9, 10, 11)


  • Most abundant protein in Whey;
  • Excellent source of essential amino acids, including branched chain amino acids (around 30% BCAA) => muscle economizing during physical activity;
  • Is resistant to the action of gastric enzymes in the stomach, so it is absorbed in the small intestine;
  • Source of cysteine -amino acid precursor in the synthesis of glutathione;
  • Provides substrates to the muscles during physical activity;
  • Increases bioavailability of fat soluble vitamins.

(7, 8, 9, 11)


  • Source of amino acids;
  • Source of BCAA (branched-chain aminoacids);
  • Only portion capable of binding to certain minerals such as calcium and zinc, which facilitates absorption;
  • Found in breast milk, it is a source of essential amino acids, especially tryptophan - amino acid that aids in serotonin production = improved sleep, mood;
  • Increases bioavailability of fat-soluble vitamins;
  • Increases muscular efficiency during exercise.

Immunoglobulin (CFM)
(8, 12, 13)


  • IgG is the main and most abundant immunoglobulin present in milk (but also IgA, IgD, IgE, IgM);
  • Proteins found in Colostrum which stimulates the immune system;
  • Passive immunity (protection granted through the transfer of antibodies);
  • Antioxidant activity exerting protection against infection by producing lymphocytes;
  • Induction of apoptosis in tumor cells;
  • Antiviral activity.

Lactoferrin (CFM)
(9, 14, 15, 16)


  • Glycoprotein that belongs to the transferrin family;
  • Binds to iron and thus regulates iron absorption;
  • Antioxidant;
  • Antiviral activity;
  • Anti-inflammatory;
  • Antibacterial and antifungal –promotes growth of healthy bacteria;
  • Immune-modulating activity.



  • Inhibits growth of bacteria;
  • Antiviral;
  • Antioxidant.

Albumin Bovine Serum
(8, 9, 11, 13, 18, 19)


  • Great source of essential amino acids;
  • Favors the transport of free fatty acids and other lipids in the bloodstream and thus plays an important role in physiological and functional activities;
  • Precursor of the synthesis of the antioxidant glutathione;
  • Anticancer activity.

Glycomacropeptides (CFM)
(8, 9, 16)


  • Peptide with high content of essential amino acids;
  • Favors the absorption of minerals by the intestinal epithelium;
  • Provides protection against infection through the production of lymphocytes, inhibitory action on gastric acid secretion, and immunosuppressive activity;
  • Inhibits tooth decay and cavities.

(Text extracted from “Whey Protein - Beneficios e Aplicaçoes terapêuticas não conhecidas", Revista Essential Nutrition – 4a Edição )
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