Use of pumice stone to get the stonewash effect on denims may get replaced and now an enzyme may equally do the job well.
This enzyme which is capable of growing even in extreme conditions is obtained from a bacteria —alkalothermophilic Thermomonospora.
Pune-based scientists of National Chemical Laboratory (NCL) have found this enzyme in soil at Barabanki in Uttar Pradesh.
Using cellulase to wash denim is a standard eco-friendly technique to achieve softness for cotton fabrics and denims, says a report published in Wiley InterScience Journal on September 1, 2006 after conclusion of tests at Ahmedabad Textile Industry Research Association.
Cellulase while reducing hairiness in fabric, made it lighter, softer giving the stonewashed effect, whereas pumice stone produces severe wear and tear which not only weakens the fabric but also clogs outlet of the washing machine, according to NCL scientists.
NCL scientists say the enzyme will develop an eco-friendly technology and are compatible with other chemical processes increasing production as seven litres of cellulase can wash 3-4 kg of denim.
Dr Mala Rao along with her team from NCL has worked on this project for over five years with trials underway since last two years. It was funded and supported by department of biotechnology, Government of India, New Delhi.
marketing@alchempro.com
