Nutritious by Nature

Natural Blessing from Milk Secretion Differences

Unlike cows, goats have the same secretion method as humans – Apocrine secretion. More bioactives are secreted with goat milk, such as Epidermal Growth Factor (EGF), Polyamine, and Free Amino Acids. The level of natural nutrients like Nucleotides, Taurine, as well as Glutamic Acid are even 3 times higher than cow milk’s, helping to enhance protection from within and build solid foundation for mental and physical development. ¹

Unique Molecular Structure

Milk proteins consist of whey and casein proteins. Casein produces a curd when in the stomach. It is well known that goat milk produces a very loose curd structure with a high proportion of water and is easily broken apart. ² A loose curd structure promotes the digestion of milk proteins. ³ The structure of the curd is in turn influenced by the individual casein proteins.

There are 4 casein proteins – αs1-, αs2-, β- and κ-casein. In cow milk, αs1-casein makes up around 25% of the total protein. ⁴ In goat milk from New Zealand αs1-casein makes up only 5-10% of the total protein. Similarly, around 5% of the total protein of human is αs1-casein. ⁵ Instead as1-casein, β-casein makes up 70% of casein in goat milk compared to 69% in human milk casein and 43% in cow milk. ⁶

Goat milk protein contains low levels of αs1-casein and more β-casein, associating with a loose, more fragile, curd structure. ⁷ Its unique structure allows better digestion, protecting baby’s sensitive gut.

Goat milk fat contains essential nutrition that supports baby’s growth: More Medium Chain Fatty Acids (MCFA) makes milk fat easier to be digested and converted to energy faster. Natural Sn-2 PA is easily absorbed & digested and does not cause hard stools & calcium soap formation. Natural Sphingolipid, Vitamin A, D, E, K are naturally inherent and rich in goat milk.

Bone Strength

Goat milk is naturally rich in calcium and other minerals. Many studies demonstrate more efficient uptake of calcium, phosphorus, iron, copper, zinc, magnesium and selenium from goat compared to cow milk when gut absorption is compromised. ⁸

Calcium absorption was greatest in diets containing casein from goat milk compared to a diet containing no casein, indicating that casein is needed for calcium absorption from goat milk. ⁹

Diets with goat milk also built up more calcium deposits and stronger bones in young animals. ¹⁰ This has been linked to reduced loss of bone mineral density and bone strength later in life.

References

1 Prosser et al (2008) In J Food Sci Nutr 59: 123-133
2 Storry et al 1983; Ambrosoli et al 1988; Remeuf et al 1989; Park 2007; Mestawet et al, 2014
3 Ye et al, 2016
4 Martin et al. 2002; Caroli et al, 2009
5 Martin et al, 1996; Poth et al, 2008
6 Marletta et al, 2007; Cebellos et al, 2009; Salem et al, 2009; Ham et al, 2010
7 Pierre et al 1995; Martin, Ollivier-Bousquet and Grosclaude 1999; Park et al, 2007
8 Barrionuevo et al, 2002; Alferez et al, 2003; Campos et al, 2003; Lopez-Aliaga et al, 2003
9 McKinnon et al, 2010
10 Kruger et al 2008

Natural Blessing from Milk Secretion Differences

References

Prosser et al (2008) In J Food Sci Nutr 59: 123-133

Unique Molecular Structure

Milk proteins consist of whey and casein proteins. Casein produces a curd when in the stomach. It is well known that goat milk produces a very loose curd structure with a high proportion of water and is easily broken apart. ¹ A loose curd structure promotes the digestion of milk proteins. ² The structure of the curd is in turn influenced by the individual casein proteins.

There are 4 casein proteins – αs1-, αs2-, β- and κ-casein. In cow milk, αs1-casein makes up around 25% of the total protein. ³ In goat milk from New Zealand αs1-casein makes up only 5-10% of the total protein. Similarly, around 5% of the total protein of human is αs1-casein. ⁴ Instead as1-casein, β-casein makes up 70% of casein in goat milk compared to 69% in human milk casein and 43% in cow milk. ⁵

Goat milk protein contains low levels of αs1-casein and more β-casein, associating with a loose, more fragile, curd structure. ⁶ Its unique structure allows better digestion, protecting baby’s sensitive gut.

References

1Storry et al 1983; Ambrosoli et al 1988; Remeuf et al 1989; Park 2007; Mestawet et al, 2014
2Ye et al, 2016
3Martin et al. 2002; Caroli et al, 2009
4Martin et al, 1996; Poth et al, 2008
5Marletta et al, 2007; Cebellos et al, 2009; Salem et al, 2009; Ham et al, 2010
6Pierre et al 1995; Martin, Ollivier-Bousquet and Grosclaude 1999; Park et al, 2007

Bone Strength

Calcium absorption was greatest in diets containing casein from goat milk compared to a diet containing no casein, indicating that casein is needed for calcium absorption from goat milk. ²

Diets with goat milk also built up more calcium deposits and stronger bones in young animals. ³ This has been linked to reduced loss of bone mineral density and bone strength later in life.

References

1Barrionuevo et al, 2002; Alferez et al, 2003; Campos et al, 2003; Lopez-Aliaga et al, 2003
2McKinnon et al, 2010
3Kruger et al 2008

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