CN102038075A - Technology for preparing edible gelatin by alkali method - Google Patents
Technology for preparing edible gelatin by alkali method Download PDFInfo
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- CN102038075A CN102038075A CN2009102348761A CN200910234876A CN102038075A CN 102038075 A CN102038075 A CN 102038075A CN 2009102348761 A CN2009102348761 A CN 2009102348761A CN 200910234876 A CN200910234876 A CN 200910234876A CN 102038075 A CN102038075 A CN 102038075A
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- gelatin
- pigskin
- glue
- technology
- edible gelatin
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Abstract
The invention discloses a technology for preparing gelatin by an alkali method. The gelatin produced by the method is animal glue which is widely applied to various kinds of soft sweets, ice cream, cream, glucose, various medical gelatin pills and capsules and the like. The technical scheme of the invention is as follows: soaking pigskin in calcium hydroxide solution with pH 9.2 for 20 days, and then adjusting the pH value to 6.3; putting the processed pigskin in a pot, adding clean water to soak the pigskin, slowly heating to 60-70 DEG C with fire, keeping for 3-6 h, and then discharging the first-batch gelatin liquid; adding a proper amount of clean water, heating for a certain period of time, and then discharging the second-batch gelatin liquid; doing the rest in the same manner until the pigskin is essentially completely dissolved; mixing the gelatin liquid discharged each time; heating and concentrating the mixture; and adding a proper amount of bleacher and preservative into the gelatin when the gelatin is hot, thereby obtaining gelatin jelly after the gelatin is cooled.
Description
Technical field:
The invention relates to the processing method of livestock products, more specifically say so and a kind ofly produce the gelatin technology about alkaline process.
Background technology:
The method that the tradition pigskin is produced gelatin generally cleans up pigskin, removes peeling and goes up the pig hair, scrapes off the fat deposit of pigskin inner face then.Behind the first water maceration of dried pigskin, remove unhairing and fat deposit again.Use dipping by lye a period of time at last, be divided into the even fritter of 3 centimetres of 3 cm x, the limewash with 1% in the placement cylinder floods, and rinses out dirt and fat simultaneously.With limewash dipping, pH value is controlled between the pH 9～9.5 again, repeatedly for several times, rises to pH 12～12.5 o'clock until acid-base value, with the acid neutralization, concentrated hydrochloric acid (30%) diluted adds in the entry, is advisable between acid-base value is transferred to 2.5～3.3.The gelatin of Sheng Chaning is faint yellow or yellow, translucent product in this way.
Summary of the invention:
The objective of the invention is to overcome the shortcoming of prior art, a kind of new gelatin preparation technique is provided.The gelatin that utilizes the present technique method to produce is transparent, glossy, and high resilience.
The present invention is achieved through the following technical solutions: is that regulating the pH value was 6.3 after 9.2 aqua calcis soaked 20 days with pigskin with the pH value.The pigskin of handling well is put into pot, adds clear water and soak pigskin, be warming up to 60～70 ℃ with fire lentamente then, keep after 3～6 hours the 1st batch of glue being emitted, add an amount of clear water again, heat a period of time again after, can emit the 2nd batch of glue again.The rest may be inferred, till pigskin has been changed substantially.After the glue mixing of at every turn emitting, it is concentrated to heat, and adds an amount of bleaching agent and anticorrisive agent while hot in glue, just can get gelatin after cooling and freeze.
The specific embodiment:
1, alkali treatment pigskin.The pigskin that will be cut into small pieces soaks with aqua calcis, and soak time can be decided according to temperature, when being generally 15～20 ℃, needs to soak 12～35 days.During immersion, pigskin can be put into concrete floor, wooden barrel or Porcelain Jar and carry out.Raw material through after soaking fully washs with clear water, removes alkali lye, and making the pH value at last is about 9.2, is alkalescent, and making the pH value then is 6.3, is acid, discharges sour water at last, repeatedly gets final product with the clear water washing again.
2, carry glue.The pigskin of handling well is put into pot, add clear water and soak pigskin, and stir, the pigskin of conglomeration is scattered, be warming up to 60～70 ℃ with fire lentamente then, keep after 3～6 hours the 1st batch of glue being emitted, add an amount of clear water again, heat a period of time again after, can emit the 2nd batch of glue again.The rest may be inferred, till pigskin has been changed substantially.
3, glue.After the glue mixing of at every turn emitting, it is concentrated to heat, but should notice and to boil that temperature had better not surpass 75 ℃, otherwise will have a strong impact on the quality and the color and luster of gelatin, after concentrating, in glue, add an amount of bleaching agent and anticorrisive agent while hot, immediately glue is poured in metal dish or the porcelain dish behind the mixing, be placed on the place of free from dust, after cooling, just can get gelatin freezes.
4, drying.Gelatin in the dish is frozen, be cut into the thin slice or the fragment of suitable size on demand, pass through heated-air drying again, the water content that makes gelatin is 10%～12%.
Claims (5)
1. an alkaline process is produced the technology of edible gelatin, it is characterized in that: used pigskin, and through alkali treatment, carry glue, glue, drying and form.
2. produce the technology of edible gelatin according to the described a kind of alkaline process of claim 1, it is characterized in that: described alkali treatment is that pigskin is soaked with aqua calcis, and temperature soaked 12～35 days in the time of 15～20 ℃.Raw material through after soaking fully washs with clear water, removes alkali lye, and making the pH value at last is about 9.2.
3. produce the technology of edible gelatin according to the described a kind of alkaline process of claim 1, it is characterized in that: the described glue of carrying is that the pigskin of handling well is put into pot, add clear water and soak pigskin, be warming up to 60～70 ℃ with fire lentamente then, keep after 3～6 hours the 1st batch of glue being emitted, add an amount of clear water again, heat a period of time again after, can emit the 2nd batch of glue again.The rest may be inferred, till pigskin has been changed substantially.
4. produce the technology of edible gelatin according to the described a kind of alkaline process of claim 1, it is characterized in that: after described glue was the glue mixing that will at every turn emit, it was concentrated to heat, and temperature is no more than 75 ℃, cooling.
5. produce the technology of edible gelatin according to the described a kind of alkaline process of claim 1, it is characterized in that: described drying is that gelatin is frozen through heated-air drying, and the water content that makes gelatin is 10%～12%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102348761A CN102038075A (en) | 2009-10-26 | 2009-10-26 | Technology for preparing edible gelatin by alkali method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102348761A CN102038075A (en) | 2009-10-26 | 2009-10-26 | Technology for preparing edible gelatin by alkali method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102038075A true CN102038075A (en) | 2011-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102348761A Pending CN102038075A (en) | 2009-10-26 | 2009-10-26 | Technology for preparing edible gelatin by alkali method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102038075A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106615571A (en) * | 2017-01-11 | 2017-05-10 | 沧州医学高等专科学校 | Yin-nourishing and throat-protecting soft candy |
| CN108185403A (en) * | 2017-12-27 | 2018-06-22 | 成都经典明胶有限公司 | A kind of edible gelatin production technology |
| CN112608686A (en) * | 2020-12-04 | 2021-04-06 | 安徽丰原明胶有限公司 | Liming method for preparing bone gelatin and application |
-
2009
- 2009-10-26 CN CN2009102348761A patent/CN102038075A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106615571A (en) * | 2017-01-11 | 2017-05-10 | 沧州医学高等专科学校 | Yin-nourishing and throat-protecting soft candy |
| CN108185403A (en) * | 2017-12-27 | 2018-06-22 | 成都经典明胶有限公司 | A kind of edible gelatin production technology |
| CN112608686A (en) * | 2020-12-04 | 2021-04-06 | 安徽丰原明胶有限公司 | Liming method for preparing bone gelatin and application |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110504 |