Agar is a mixture of a neutral, dominating polysaccharide called "Agarose" and a charged polymer called "Agaropectin". The agar
Agar agar powder description:
Agar is a mixture of a neutral, dominating polysaccharide called "Agarose" and a charged polymer called "Agaropectin". The agarose is composed of (1-4) linked 3,6-anhydro -a- - L - galactose alternating with (1-3) linked - b - D - galactose .
Agar agar powder's features in different field:
In Food Industry,Agar has the following characteristics:Stablizing and coagulating, can be widely used in producing drink,icecream,sugar,canned food,meat products etc, as coagulant, densifying agent,emulsifyingagent,keeping fresh agent, stabilizing agent ,floation agent.
In chemical Industry and Medicine & Science Research,Agar is used as ointment-base and cultivate-base and so on.
Agar agar powder specification:
Item | Standard | Result |
Appearance | From white to light yellow | accord |
Odor | Odorless | accord |
Moisture(105°C,4h) | ≤22% | 10.5% |
Particle Size | 90% pass 100 mesh | accord |
Total Ash | ≤6.5% | 0.45% |
Acid-insoluble ash | ≤0.5% | <0.5% |
Water-insoluble matter | ≤1% | 0.5% |
Gel strength | ≥800 g/cm2 | 1050g/cm2 |
PH | 5-8 | 6.3 |
As (mg/kg) | ≤3 | <3 |
Pb(mg/kg) | ≤5 | <5 |
Heavy metals(As pb) | ≤20mg/kg | <20mg/kg |
Starch | No blue | Accord |
Total Plate Count | ≤5000cfu/g | 4700 cfu/g |
Escherichia Coli | ≤30 MPN/100g | <30 MPN/100g |
Salmonella | Negative | accord |
