Traditional Culture Encyclopedia - Traditional festivals - What material is fern root powder made of? How long does fern root powder dry soak?
What material is fern root powder made of? How long does fern root powder dry soak?
1. What material is fern root powder made of?
1, means of production
Fern root powder refers to starch extracted from the roots of wild fern. In the production process, it does not contain any additives, and is directly washed, mashed, filtered and dried from wild fern roots. Fern root contains starch 14%, protein 2.4%, fat 1.2%, calcium 0.0085%, phosphorus 0.027%, iron 0.01%,zinc 0.009% and various amino acids and vitamins.
2. Production method of fern root powder
(1) Cleaning: Wash the sediment and impurities on the fern roots with clear water, scrape off the epidermis, cut the fern roots into small pieces 7- 10cm long, and then soak them in water for about 48 hours. In this process, change the water about 4 times.
(2) pulverizing: putting the cleaned and soaked fern roots into a beater, adding water while pulverizing, and then stirring evenly; Or mashed by hand.
(3) Filtering: filtering with a sieve of 80 mesh and 100 mesh for about two times, or putting the crushed fern roots into a cloth bag, kneading in a water tank, and filtering the residue.
(4) precipitation: putting the filtered slurry into a water tank or a sedimentation tank, adding a small amount of alum solution, and uniformly stirring; After precipitation, clear water is discharged to obtain wet fern root starch.
(5) drying: taking out the wet starch in the pool and drying it into powder, or slowly drying the starch in a baking oven.
Second, how long does it take to soak the dried fern root powder?
Dry fern root powder generally needs to be soaked for 2-3 hours.
1, soaking method: wash fern root powder, and then soak it in cold water for about 2-3 hours; After the fern root powder becomes soft, add a proper amount of cold water, boil it over high fire, and cook it for about 5 minutes after boiling; Take out the fern root powder and soak it in cold water for about 2 hours.
2. Judgment standard: fern root powder should be soaked thoroughly. Generally, when fern root powder is in the middle _ with milky hard heart, it is considered soaked thoroughly.
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