General Knowledge about Blood Bird’s Nest

Cave Blood Bird’s Nest:

Cave Blood Bird’s Nest refers to the nests built by swallows in natural stone walls or limestone caves. These Blood Bird’s Nests absorb a lots of Minerals from the cave and thus cause them to be beige or yellow in color and firmer in texture. They contain more fine feathers compared to house Blood Bird’s Nests. They expand to 2-3 times larger upon soaking require longer soaking time. They are delicious after stewing, taste better and can be stewed for longer hours.

General Knowledge about Blood Bird’s Nest

Collocalia's Nest:

Collocalia’s Nest means the Blood Bird’s Nest which built with pure saliva of swiftlets, with minimum impurities, in strips, with strong absorbent and able to expand 7-8 times, it is the best quality Blood Bird’s Nest. They are usually white, yellow, red or grey in color.

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House Blood Bird’s Nest:

House Blood Bird’s Nest refers to the nest built by swiftlets in the building created artificial. They build their nests under a well protection environment, so the Blood Bird’s Nest contain less impurities than Cave Blood Bird’s Nest and usually present in white color (also name as White Blood Bird’s Nest).
1. Whole Piece Blood Bird’s Nest:
These are curved or boat-shaped Blood Bird’s Nest which has been selected from the harvested Blood Bird’s Nest, with feathers removed, before they are sold. As whole piece Blood Bird’s Nests are naturally obtained and varies with sizes and shapes. These types of Blood Bird’s Nests are thicker than other types of Blood Bird’s Nests. They also possess higher nutritional value, with better flavour and better expandability when soaked. They are the cleanest among all Blood Bird’s Nests and they have high expandability. Sometime the Blood Bird’s Nests produced would be like boat-shaped, it is depend on the place they build the nest.
2. Narrow Blood Bird’s Nest Pieces:
These are whole piece Blood Bird’s Nests which have been accidentally broken during harvesting or delivery; or whole piece Blood Bird’s Nests which have been cut into narrow strips or separated after careful selection. Although they are not attractive physically, their quality and method of preparation are similar to whole piece Blood Bird’s Nests.
3. Blood Bird’s Nest Corners:
They are the hardest portions at both ends of the whole piece Blood Bird’s Nests and the highest concentration part of saliva from swiftlets. They normally separated from whole piece Blood Bird’s Nests and soaked separately because they require longer soaking time (about six to eight hours). The Blood Bird’s Nest corners are usually torn into smaller pieces prior to soaking so that they expand more easily. They are expanding more compared to whole piece Blood Bird’s Nests and crispier.
4. Blood Bird’s Nest Fragments:
These is as a result of breakage during harvesting and transportation or during the cleansing process. They are made up of small amounts of Blood Bird’s Nest.
5. Blood Bird’s Nest Biscuit:
These are made from broken Blood Bird’s Nest during harvesting. They have been processed and compressed into different shapes (such as rhombus, sphere, crescent and rectangular) and the quality is one grade below that of whole piece Blood Bird’s Nest.