SU1567589A1 - Method of producing carotin-containing dye from carrot - Google Patents

Abstract

The invention relates to the food industry, in particular, to a method for producing a carotene dye from carrots. The aim of the invention is to increase the yield of the dye and simplify the process. To obtain carotene dye, carrot juice is heated in a water bath to a temperature of 82 - 97 ° C for 55 - 70 minutes, followed by separation of the dye. As a result of heating, protein coagulation and carotene adsorption occur simultaneously. 1 tab.

Description

The invention relates to the food industry, in particular, to a method for producing carotene carotene dye from carrots.

The purpose of the invention is to increase the yield of the dye and simplify the method.

The method is carried out as follows.

500 ml of carrot juice is heated in a water bath for 1 n, counting the time until the temperature in the glass reaches 82-97 ° C.

After coagulation, a protein coagulum is obtained, containing the coagulated protein and the incorporated and adsorbed carotene, as a result of which both immobilization and adsorption occur. In contrast to the known method, when carotene is mainly incorporated into the gel, which gives 66% of the theoretical yield, the proposed method achieves almost complete binding of carotene, which amounts to 76.3% of the theoretical one. Increasing the temperature will remove part of the adsorbed

chlorophyll.

To stabilize the resulting dye, food preservatives can be added: table salt, sugar, acetic, citric, ascorbic, lactic, sorbic acids, benzoates, or their compositions.

The resulting dye is a mixture of carotene with medium coagulated protein, is easily separated after coagulation, and is well mixed with water-containing and fat-containing foods.

Thermocoagulation of the carrot juice protein captures the main part of the dye by immobilization in the gel, followed by adsorption on semi-solid particles. Getting the finished product

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about 1

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eliminates a number of operations — drying and oil extraction, which increases the overall yield compared to the known one, especially in terms of the yield of finished products, which is more than 50% increase.

The process is waste-free.

The method is specific for the adsorption of all carotenoids, especially |} -carotene, and this ensures a certain color stability of the isolate, almost independent of the change in root crops and technological deviations.

The invention is illustrated by the following example.

Example 1. 1.2 kg carrots field inspection re-washed and cleaned. Washed under running water. The yield of purified raw materials - 1 kg.

Squeeze out about 500 ml of juice on the SVSN-20 juicer, which is filtered through a fabric filter.

500 ml of filtered juice is poured into a 1 liter beaker and placed in a water bath. The temperature in the glass is raised to 90 ° C and coagulated for 1 hour. During coagulation, the coagulum emerges above the surface of the juice, which is removed and collected in a cup, followed by separation of the dye.

Coagulum yield 22.49

Coagulum ta ta

% of raw materials 2.5

Dry content

substances,% 21.8

The content of carotene,% 32

An increase in the dry weight content is observed compared with the known (21%).

Example 2t From 1 kg of purified carrots squeeze the juice and filter. Get 0.56 kg of purified juice.

The juice is poured into a glass ft. Boil for 1 h over a water bath at a temperature of 92 ° C in the glass. Remove the coagulum and weigh.

To 28.31 g of the obtained coagulum was added 7.08% sodium chloride (food salt). Mix thoroughly and homogenize the mass. Store at 6 - 10 ° C, preferably in the dark. The total weight of the product is 35 g.

Content of dry weight, g (%) 9.8 or 28

Salt content

g (%) 7 or 20

0

five

0

five

0

five

0

five

0

five

Color content, g (%) 2.8 or 8

The content of carotene,% 27 + 1. Example 3. The experiment was carried out according to Example 1. The temperature in a glass with juice was raised to 88 ° C and held for 1 hour.

Remove the film and weigh. The output of the coagulum, g 21,16 The dry matter content,% 20,08

Output,% 0,354

The solution of juice after coagulation is greenish, turbid, contains coagulated protein.

The output of the dye compared with example 1 of 86.8%.

Example 4. The experiment was carried out according to Example 1. The temperature in the glass was raised to 97 ° C and held for 1 hour.

Remove the film and weigh. The yield of coagulum, g 21.4 The dry matter content,% 21.92 Yield,% 0.392 The yield of dye as compared with example 1 is 96.3%.

Example 5. The experiment was carried out according to Example 1. The temperature in the glass was raised to 94 ° C and held for a minute: Glass 145

255

360

470

580 With curing less than 45 min

the film is practically not formed, and when it is held for more than 70 minutes, the film begins to be suspended in the solution.

Example b, 2.4 kg of carrots are re-washed after inspection and cleaned. “Rinse under running water. The yield of purified raw materials 2,12 kg Squeeze the juice on the Juicer juicer and get about 980 ml of juice.

The juice is stirred and divided into 2 h 400 ml.

The first portion is treated in a known manner.

The test portion is poured into a 1 liter beaker and placed in a water bath. Raise the temperature in c-takane to 92 ° C and coagulate for 1 hour

During coagulation, a coagulum floats above the surface of the juice, which is removed and collected in a glass, followed by separation of the dye.

Comparative data and the yield of carotene and coagulum according to the known and proposed methods are given in the table.

The increase in coagulant yield compared with the known 11.9%.

The increase in the yield of finished products compared to the known 54.8%.

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The method of carotene carotene dye production from carrots, which involves the release of carotene coagulum by heat treatment of carrot juice, followed by separation of the dye, characterized in that 82-97 ° C for 55-70. min

average yield of carotene, from total,% filtrate

impurities in the filtrate Dry residue,% (g)

The total yield of coagulum, g Drying

Oil extraction, practical output,% The yield of finished products,% (g)

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but-

but

gel suspension

76.3 Greenish

Chlorophyll

24.1% 5.01) 20.8 No

Not

76.3 (5.01)

Claims (1)

Claim A method for the production of carotene-containing dye from carrots, which provides for the separation of carotenoids-containing coagulate by heat treatment of carrot juice, followed by separation of the dye, which involves the purpose of increasing the dye yield and simplifying the method, heat treatment of carrot juice is carried out at 82- 97 ° C for 55-70. min ι -------------------- Process or drug Indicators by the way famous | proposed Heated ° C 72 * 2 92t2 Coagulate Gel-shaped Semi-solid sticky mass gel suspension average yield carotene, total,% 68.2 76.3 filtrate Reddish yellow Greenish impurities in the filtrate Carotene Florophyll Chlorophyll Solids,% (g) 18, 1% 24.1% (4.48) (5.01) The total yield of coagulate, g 18,4 20.8 Drying Vacuum dryer Not Oil extraction, you- practical course,% 72 Not The output of the finished product tion,% (g) 53,2 76.3 (3.23) (5.0