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AGAR AGAR POWDER


Agar is phycocolloid extract of Red -purple marine algae (Class Rhodophyceae) including Gelidium, Gracilaria and Pterocladia. Agar Agar Powder is a vegetable Gelatin and one with high gelling properties which is used in microbiological culture media. It has characteristics of good clarity, controlled gelling strength and melting temperature. Good diffusion capacity absence of toxic inhibitions and free from minerals. Provide moderate flow and lighting with the supplement of Iron, Magnesium and Trace elements. High levels of phosphates or nitrates will inhibit the growth of these algae. Agar Agar Powder is used clinical, bacterial and yeast transformation studies and molecular biology studies, bacteriological agar is generally used 1 - 2% for microbiological culture media preparations 0.5% for motility and anaerobes and microaerophiles require 0.1% maximum. Agar Agar is a gel at room temperature, remaining firm at temperature as high as 65°C. Agar Agar melts at approximately 85°C, a different temperature from that at which it solidifies, 32-40°C. This property is known as hysteresis. Agar Agar Powder is generally resistant to shear forces; however, different agar may have different gel strengths or degrees of stiffness.

AGAR AGAR POWDER PHYSICAL PARAMETERS

S.L. No.

PRODUCT PARAMETERS

SPECIFICATION

1.

Appearance

Yellowish to creamish colour free flowing powder.

2.

Solubility (2% soln. at 90ºC)

Soluble in hot water. Near to clear.

3.

Taste and Odour

Odourless or slight odour and produces a mucilaginous sensation on the tongue


AGAR AGAR POWDER CHEMICAL PARAMETERS

S.L. No.

PRODUCT PARAMETERS

SPECIFICATION

1.

Moisture (at 105 ºC)

NMT - 20.0%

2.

Acid Insoluble Ash (DWB)

NMT - 0.5%

3.

Foreign organic matter

NMT- 1.0%

4.

Limit of foreign insoluble matter

NMT- 1.0%

5.

Total Ash (DWB)

NMT – 6.5%

6.

Limit of foreign starch/gelatin

Negative

7.

Lead (Pb)

NMT- 0.001%

8.

Heavy Metals

NMT – 0.004%

9.

Arsenic (As)

NMT – 3ppm

10.

Water Absorption

NMT- 75ml


AGAR AGAR POWDER MICROBIAL PARAMETERS

S.L. No.

PRODUCT PARAMETERS

SPECIFICATION

1.

Total viable count

NMT- 10,000cfu/gm

2.

Escherichia coli

Negative

3.

Salmonella spp.

Negative

4.

Staphylococcus aureus

Negative

5.

Yeast & molds

100/gm

Std Packing : 25.0 Kg. HDPE Drum/Paper Bag.
Best Before : 36 Months
Storage: Hygroscopic in nature, store below 25 ºC and protect direct sunlight.

 
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