Edible Bird’s Nest Extraction Method

    Project Code: 125
    This invention features a new processing method that allows the reduction of processing time and enables high recovery of the edible bird’s nest. The new process involves dissolution of the harvested bird’s nest, filtration and freeze drying. Finally, purified and dried bird’s nest was obtained. The process is expected to reduce the cost and consumers are able to procure a valuable nutraceutical product at a lower price.
Project Overview

Edible bird’s nest or “YanWo” is a salivary secretion during breeding  season of a male sea swifts. This sticky secretion is regurgitated to form the bird’s nest. In modern and ancient China, edible bird’s nests are considered nutritious and therapeutic. At present, Hong Kong is the largest official consumer of bird’s nest,with the annual consumption of USB25 million. Malaysia is the third largest raw bird’s nest producer after Thailand and Indonesia. However, little research has been crried out in bird’s nest cleaning method which hamper the growth of the industry.

The harvested bird’s nest consisted of sand, feathers, egg shell and other impurities. The conventional cleaning process is by separating the large feathers from the nest matrix with a pair of forceps. The fine feathers are removed by floatation technique using vegetables oil. The conventional method result in a considerable wastage (30%w/w). In addition, the used of bleaching agent to clean the material caused nutritional lost.

Therefore, an efficient and safe method for bird’s nest cleaning was developed. The method allows reduction in processing time and high recovery of the edible bird’s nest. The new process involves dissolution of the harvested bird’s nest, filtration and freeze drying. Finally, purified and dried bird’s nest was obtained. The process is expected to reduce the cost and consumers are able to procure a valuable nutraceutical product at a lower price. With this new developed technique, bird’s nest can be used as an intermediate material for the natural high quality nutraceutical such as Epidermal Growth Factor

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