Production method of tea oil
Production method 1. The harvested tea seeds are exposed to the sun, or baked slowly over low heat, waiting for the shell to fall behind, take round or flat tea seeds and grind them with stone. Because the stickiness of tea seed powder is small, we should pay attention to grinding the finer the better. String 8
two。 Steam in a steamer, take the hot granule (steamed billet) and step on the cake quickly while it is hot. If it is cold, the cake will not be made, the oil yield will be reduced, or even no oil will be produced.
3. Put the cake into the soil press, press, hit hard and squeeze quickly, can not be withdrawn halfway.
4. Refining: the extracted oil is refined to remove impurities. 20% dilute sulfuric acid can be mixed with oil and rest for one day and night at 45 ℃ to deposit brown sundries. Or every 100 kilograms of oil with 2 kilograms of acid bauxite powder, mix well, rest for one day and night, can also separate impurities to make the oil color clear.
The product features the oil is transparent and yellowish brown. String 3
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Causes of scorched black and rotten roots in the leaf tail of Guolan
1. The temperature is too high and the sun shines directly, causing the leaf tail to burn easily. 2. The substrate of basin soil is too fertile and damp to dry, which results in poor root development, hindrance of nutrient absorption, scorch and blackening of leaf tail, and death of rotten root and orchid plant in heavy cases. 3. Insect pests. There is a kind of insect pest similar to aphids, which lives in the basin soil and lives on the orchid root. It is very small and difficult to find at ordinary times. Although it is not harmful directly, it is easy to cause the disease and cause rotten root.
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Processing technology of Mao tea
The processing process of Mao tea is the process of sieving, cutting, selecting, picking and stir-frying. The sequence of each process and the number of repetitions must be carried out in accordance with certain principles. 1. The main purpose of first screening and then air separation is to distinguish the weight of tea and the priority of quality. Only when the length, size and thickness of the tea embryo are the same, can the weight and quality be distinguished most effectively. Therefore, before the wind selection, it must be screened. 2. restore the fire first and then cut off the general sieve surface.
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