AGAR-AGAR

 AGAR-AGAR :

Agar agar (commonly called as agar) is used as the most effective solidifying agent.

Properties of Agar are:

* Derived from certain seaweeds.

*Melts at 95°C and solidifies at 42°C.

* Remains firm at temperatures of incubation.

* Heat labile material can be added to it even at temperature of 45°C thus retaining their potency.

* Bacteriologically inert.

* Resistant to action of all medically important bacteria.

* Easily available.

* Economical.