Diagnostic tests have been an essential tool in the fight against COVID-19. There are different types of diagnostic tests: those that inform us about whether there is infection at the time of the test (active infection) and those that inform us about an immune response against the virus.

One of the main characteristics of doughnuts is the icing that covers their surface. It is made of fruit or dyes, depending on the color or flavor, and sugar, which provides the typical consistency that everyone knows.  

As previously announced, Hispanagar has launched the EndoLow® Soy Peptone onto the market. The EndoLow® Peptones catalog is growing, and two other peptones are already available: Casein and Meat (Bovine).

Agar and carrageenan have many things in common. Both are hydrocolloids, both are derived from red algae, both are used as a thickener and both are used in the food industry. But let's check their differences.