Coconut burfi is a popular traditional sweet of south India. The high percentage of saturated fat present in the product makes it susceptible to hydrolytic rancidity. The resulting increase in free fatty acid content coupled with mold growth limit its shelf life to 7–10 days in unpacked condition. Studies have been carried out on packaging and storage aspects of coconut burfi to extend its shelf life. The samples were packed in flexible pouches of multilayer films consisting of (1) polyester/polyethylene; and (2) polyester/aluminum foil/polypropylene under the following conditions: (1) normal packing; (2) 99% vacuum packaging; and (3) in‐package heat processing, and were stored at 27C temperature and 65% relative humidity and periodically withdrawn to monitor changes in chemical, microbiological and sensory qualities. A maximum of 75 days shelf life was obtained for heat‐processed samples as against <15 and 45 days for air and vacuum packed samples respectively in both packaging materials.
PRACTICAL APPLICATIONS
By this study, the shelf life of coconut burfi has been extended to two and a half months, which enables to increase the marketability and sale of the product and make the nutritious product conveniently available for everybody.
India is one of the fastest growing economies in the world. India has taken various initiatives to promote environmental sustainability. One of the important initiatives is increasing production and utilization of renewable energy by adopting ethanol biorefineries. Lignocellulosic biomass, which has a complex structure that can be broken down by enzymes to produce products like biodiesel, bioethanol, and various high-value products, is the major feedstock for biorefineries. The chapter presents a review of the various type of catalysts used in biorefineries and their positive impact on the environment.
Biodegradation of industrial phenol by a fungal isolate Aspergillus niger was studied in batch flask system with synthetic & industrial effluent. Aspergillus niger, was efficiently immobilized on sodium alginate beads. The immobilized cells were used in the batch culture flasks for paper & pulp industry as well as synthetic effluent phenol removal. All the flasks were operated at temperature 25°C at 125 rpm for five days in continuous mode. The immobilized cells showed over all better performance as compared to free cells. The highest cell growth and the amount of phenol degraded were observed on 5 day. average overall pH, Temp.
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