SU882512A1 - Method of obtaining vitamin meal from wood greens - Google Patents

Description

(54) METHOD OF RECEIVING VITAMIN FLOUR FROM WOOD GREEN

I

The invention relates to methods for processing raw materials for vitamin-rich mucous can be used in forestry, forestry and agriculture for the production of vitamin flour, perfume and medical products No. 1 in the production of essential oils.

There is a known method for processing wood greens, according to which technical greens are crushed after grinding, the resulting cell sap is evaporated, the separated mixture water | and the essential oil is condensed and split HZ

The disadvantages of this method are the low quality of the feed and the low yield of the essential oil.

 Moreover, when steaming the crushed vegetable raw materials for two hours, lost carotene was 12%, unground 10%.

There is also known a method for producing vitamin flour, according to which, in order to reduce the flour content of organisms harmful to the body, animals are extracted from the ground mass before drying with organic solvent, gasoline)

oils and resinous substances, residues of the solvent are subsequently removed by steaming 23.

However, the application of an organic solvent in order to extract the oils gives them a low yield, since some of them still remain in the raw material and leave with water and solvent vapors when steaming. Besides

Moreover, vegetable raw materials treated with an organic solvent reduce the quality of vitamin flour, since a longer period of treating raw materials (steaming) is required to completely remove the solvent, which leads to the destruction of kgfotin to reduce its content in the vitamin flour. When overloading the raw material by drying after distilling off the ether, the loss of carotene, depending on the shelf life, increases to 25%. With this method of processing vegetable raw materials for essential oils and vitamin flour, the total loss of carotene is 55% of its initial content in syrup {}.

Closest to the proposed method is to obtain vitamin

30 green wood flours, according to

to which the wood greens are moistened with the help of water vapor of the vapor-gas mixture of the processed heat carrier to form a thin water film, high-temperature drying is performed at 600-8 ° C and the grinding of greens into flour 13.

The disadvantages of the method include the loss of carotene in grass meal and the lack of opportunities for the simultaneous capture of extracts of essential oils.

The purpose of the invention is to improve the quality of vitamin flour by preserving carotene, as well as increasing the yield of essential oil.

The goal is achieved by moistening the raw material before entering the drying unit at a wood green water: 4: 0.9-1.3 ratio.

At the same time, the vapor fraction released during the drying process is condensed and then separated with the extraction of essential oils.

The proposed method makes it possible to combine the process of drying the vegetable raw materials for vitamin flour and extracting the essential oil in one unit by condensation of the vapor fraction that is in the process of drying and separation and extraction of the essential oils.

When wet raw materials are supplied to a high-temperature dryer, water, extracted from the raw materials, extracts the essential oil, and the process takes place more intensively, the higher the drying temperature, and the reduction in drying time increases the carotene content in the dried raw materials.

The drawing shows a device for carrying out the proposed method.

The device includes a bath 1, storage hopper 2, feeder 3, dryer 4, heating device 5 ,. pipeline 6 and cyclone 7.

The plant raw material is washed in bath 1 before being supplied for drying. The conveyor captures the raw material from bath 1 and supplies it to storage hopper 2, in which the raw material is additionally moistened with water at the rate of 15-20% for each ton of raw material at a ratio of 1: 4. The purpose of moistening is to saturate the raw material with water in order to improve the extraction of the essential oil by increasing the conversion during the drying period. The moistened raw material is fed in uniform doses through the feeder 3 to the dryer 4, in which it is picked up by a flow of air, at a temperature higher than that received from the heating device 5. Due to the high temperature, the water evaporates instantaneously, the vapors of which open the cuticle and carry away the essential oil. . Due to the wetting, the raw material during the initial drying period gives rise to vaporization, which improves the extraction of essential

5 oils. Vapors of moisture and essential oil and dried with lrier through pipeline b enters cyclone 1, in which the separation of dried raw materials and vapors occurs. Dried vegetable mass is fed to the grinding of vitamin flour, followed by accumulation in cyclones or with packaging in bags, water and essential oil vapors are fed into a refrigerator (heat exchanger) for condensation, and for separation of the mixture into florentin.

The obtained vitamin flour is of high quality, the content of carotene is more than 75 mg / kg, which corresponds to the 1st grade.

The results are shown in the table.

Technical green 0,891.3 pine 0,891.6 fir 0.905 1.6-6.0 fir

Grassy

80 plants

90 95

94

91 16-255-10 7620-25 0.13541-48

The use of the proposed method for producing essential oils and vitamin flour provides, as compared with the known, the possibility of trapping in the drying unit the essential oils released during the drying of vegetable raw materials, without using special plants for producing essential oils and steam generation equipment, will reduce the processing time of vegetable raw materials, which improve the quality of the obtained vitamin flour by preserving carotene in raw materials up to 9094 mg / kg (a known method ensures the preservation of any rotinum in the range of 75-85 mg / kg), to avoid the use of special expensive equipment for the production of essential oils.

Claims (3)

1. A method for producing vitamin flour from wood greens, including af f a / y / fo ff p ffoicMi / Ki g lgui ul. Ji J y / fffj e flw wetting, high-temperature drying and grinding, characterized in that, in order to increase the preservation of carotene in the resulting flour, wood green is moistened at a wood green: water ratio of 4: 0.91, 3. 2. The method according to claim 1, characterized in that, with the chain providing simultaneous collection of essential In the course of the drying process, the vapor fraction is condensed and then separated to recover the essential oils. five Sources of information taken into account in the examination 1. USSR author's certificate O 333053, cl. B 27 C 11/00, 1968. 2 USSR author's certificate 0 210647, cl. A 23 K 1/00, 1960. 3. Authors certificate of the USSR 695648, cl. A 23 K 1/14, 1976. g ;; bdE -ofl