1, the source is different: agar is directly extracted from red algae, agarose is agar based on the addition of sucrose for processing.

2, the color is different: agar is colorless and light yellow, agarose is white.

3, the stability of different: agarose stability than agar is better, can withstand higher heat and acid-base environment.

4, the efficacy of different: agarose has a nutritious, regardless of temperature and acid-base can be used to make food, medicine and other fields, agar's scope of application is much smaller.