MEL

Description

MEL

Characteristics

  • 1. A biosulfactant, one of glycolipids, produced from plant oil by yeast 
        (Pseudozyma sp.)
  • - Hydrophilic part : mannose and erythritol
  • - Hydrophobic part : fatty acid
  • 2. An eco-friendly and human-suitable material
  • - Non-toxicity
  • - High biodegradability
  • - High surface activity
  • - High emulsification activity
  • - High thermal stability
  • - Low CMC value

Properties of MEL

  MEL(SY16)
Surface activity
- Minimum surface tension(dyne/㎝)
- CMC1
- HLB
- Emulsification activity(unit)2

29
10㎎/l
6~7
70
Stability
- pH stability3
- Thermal stability3
- Salt (NaCl) resistance4

4 – 10
Up to 100℃
Up to 100 mM(0.6%)
Other properties
- Toxicity(g/l, w/w)5

5

 

  • CMC value was measured with purified biosurfactant
  •  Emulsification activity was measured against hydrocarbons with crude biosurfactant at a concentration of 0.1g/l
  •  Stabilities were determined by measuring the surface tension of biosurfactant solution
  •  Salt resistance were determined by measuring emulsification activity
  •  Toxicity was determined as the concentration to inhibit the 50% of mouse fibroblast cell L929

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