## Biosurfactants from urban wastes Six biosurfactants (BS) isolated from green and urban food residues under aerobic digestion for 0-60 days were investigated for chemical composition, surface activity properties and detergent performance in fabric washing and were compared with commercial anionic
Research Highlights: Lipid Technology 8/2010
✍ Scribed by Frank D. Gunstone; Frédéric Destaillats
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 2010
- Tongue
- English
- Weight
- 329 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0956-666X
No coin nor oath required. For personal study only.
✦ Synopsis
Identification and characterisation of D12, D6, and D5 desaturases from the green microalga Parietochloris incisa Under nitrogen starvation the freshwater microalga Parietochloris incisa produces large amounts of triacylglycerols rich in arachidonic acid. The D12, D6, and D5 desaturases required to produce this acid have been identified and their amino acid sequences determined. All three enzymes contain three conserved histidine motifs and the D6, and D5 desaturases contain a fused N-terminal cytochrome b5 domain. These two desaturases act indiscriminately on omega-6 and omega-3 substrates. Maximum expression level was observed after three days of nitrogen starvation.
Iskandarov et al., Lipids 2010, 45, 519-530.
Biolubricants: raw materials, chemical modifications, and environmental benefits
Growing interest in renewable, biodegradable, and environmentally friendly industrial fluids such as lubricants have resulted in a widespread use of oils and fats for non-edible purposes. Scientists are finding ways of improving the properties of biolubricants such as enhanced oxidative stabilility and lower pour point. This review covers biolubricant laws and regulations in Europe and the USA, modification procedures based on added antioxidants, structural changes based on epoxidation, estolide formation, and polyester synthesis.
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