Price range: ₹1,035.00 through ₹76,640.00
Agar functions purely as a physical solidifying agent:
100 g Bottle (makes ~1.5–2 liters of medium)
500 g Lab Pack
1 kg Bulk Pack
(Custom sizes available depending on supplier.)
Agar Agar Powder is a natural, high-molecular-weight hydrocolloid extracted from carefully selected species of marine red algae (Rhodophyceae), predominantly Gelidium and Gracilaria. It is composed mainly of agarose and agaropectin, two polysaccharide fractions that together provide its unique gel-forming and stabilizing properties. Due to its high purity, consistency, and inert behavior, agar is widely regarded as a standard solidifying agent across microbiological, biotechnological, food, and pharmaceutical industries.
In microbiological applications, Agar Agar Powder plays a critical functional role as a non-nutritive solidifying medium. Unlike other gelling agents, agar powder is not utilized or degraded by most microorganisms, which ensures that microbial growth and metabolism depend entirely on the nutrients incorporated in the culture medium. This property is essential for accurate microbial isolation, enumeration, and identification, as it prevents interference with biochemical reactions or colony development.
From a physicochemical perspective, agar exhibits a distinctive property known as thermal hysteresis, where the melting temperature (~85–95°C) is significantly higher than the gelling temperature (~32–40°C). This allows media to remain liquid during sterilization and handling, yet rapidly form a firm, stable gel upon cooling. The gel formed is a three-dimensional hydrogen-bonded network capable of holding large amounts of water, creating a moist, porous environment ideal for microbial growth and nutrient diffusion.
Agar gels are characterized by their high gel strength, elasticity, and clarity, enabling clear visualization of colony morphology, pigmentation, hemolytic reactions, and differential indicators. High-quality agar contains minimal impurities such as sulfates, heavy metals, and organic residues, ensuring optimal growth conditions and reproducibility in laboratory testing. Additionally, its low electroendosmosis (EEO) supports accurate diffusion of antibiotics and other compounds, making it suitable for sensitivity testing and analytical procedures.
The product typically appears as a cream to light beige free-flowing powder, which disperses in water and dissolves completely upon heating. It forms clear to slightly opalescent gels, depending on purity and concentration. Agar Agar Powder can produce firm gels at relatively low concentrations (1.5–2.0% w/v), making it both efficient and economical for large-scale use.
Beyond microbiology, Agar Agar Powder is widely utilized in:
Its biodegradable, plant-derived, and non-toxic nature makes it an environmentally friendly alternative to synthetic gelling agents.
Overall, Agar Agar Powder is a versatile and indispensable material, offering a combination of structural stability, biological inertness, clarity, and reproducibility. These characteristics make it a cornerstone product in microbiological media preparation and a wide range of industrial applications, ensuring reliable and consistent performance across laboratories and production environments.
Major components include:
✔ Microbiological media preparation in research and diagnostic laboratories.
✔ Food, water, and environmental microbiology testing.
✔ Academic teaching labs requiring reliable culture media components.
✔ Applications needing high-clarity, consistent-strength gel bases.
| Weight | N/A |
|---|---|
| Dimensions | N/A |
| Size | 100G, 10KG, 1Kg, 500G, 5KG |
Price range: ₹955.00 through ₹76,640.00
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