α-Lactose

Names

[ Name ]:
α-Lactose

[Synonym ]:
EINECS 238-691-8
MFCD00150747

Biological Activity

[Description]:

α-Lactose (α-D-Lactose) is the major sugar present in milk. Lactose exists in the form of two anomers, α and β. The α form normally crystallizes as a monohydrate[1][2].

[Related Catalog]:

Research Areas >> Others

Signaling Pathways >> Others >> Others

[In Vitro]

Lactose is a very important sugar because of its abundance in the milk of humans and domestic animals. Lactose is a valuable asset as a basic nutrient and the main substrate in fermentative processes that led to the production of fermented milk products, such as yogurt and kefir[3].

[References]

[1]. Schuck, et al. Lactose crystallization: determination of α-lactose monohydrate in spray-dried dairy products. (2002).

[2]. Lactose.

[3]. Ana C Adam, et al. Lactose: The Milk Sugar From a Biotechnological Perspective. Crit Rev Food Sci Nutr. 2004;44(7-8):553-7.

Chemical & Physical Properties

[ Density]:
1.76 g/cm3

[ Boiling Point ]:
667.9ºC at 760 mmHg

[ Melting Point ]:
201-202ºC

[ Molecular Formula ]:
C₁₂H₂₂O₁₁

[ Molecular Weight ]:
342.29600

[ Flash Point ]:
357.8ºC

[ Exact Mass ]:
342.11600

[ PSA ]:
189.53000

[ Vapour Pressure ]:
1.08E-20mmHg at 25°C

[ Index of Refraction ]:
52.5 ° (C=10, H2O)

Safety Information

[ WGK Germany ]:
3

[ HS Code ]:
1702190000

Customs

[ HS Code ]: 1702190000

Related Compounds

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