CN104799240A - Preparation method of micro-encapsulated scallion oil powder - Google Patents
Preparation method of micro-encapsulated scallion oil powder Download PDFInfo
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- CN104799240A CN104799240A CN201510141501.6A CN201510141501A CN104799240A CN 104799240 A CN104799240 A CN 104799240A CN 201510141501 A CN201510141501 A CN 201510141501A CN 104799240 A CN104799240 A CN 104799240A
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Abstract
The invention provides a preparation method of micro-encapsulated scallion oil powder. According to the method, fresh scallions are used as a raw material, and the micro-encapsulated scallion oil powder is prepared through processing procedures of crushing, juicing, supercritical CO2 extraction, emulsification, spray-drying and the like. The method is combined with the supercritical CO2 extraction technology, the emulsification solubilization technology and the spray-drying micro-encapsulation technology for preparation, the product yield is higher, the embedding rate is higher, and the water solubility of the product is good.
Description
Technical field
The present invention relates to food technology field, especially relate to a kind of preparation method of microencapsulation scallion oil powder.
Background technology
Green onion is long, widely distributed at China's cultivation history, and the four seasons all can go on the market, and is that the important perfume (or spice) of China is pungent, health-care vegetable.As flavouring common in life, green onion is applied to the many aspects of human diet.But green onion is inconvenient to store, and shallot is in put procedure, the short time dehydration will affect mouthfeel.Therefore, to its bulk composition---onion oil extracts, and develop conveniently, practical scallion oil goods just become highly significant.
At present, the method extracting scallion oil mainly contains steam distillation and solvent extraction.The feature of steam distillation is the pollution-free and aboundresources of water, but due to temperature during steam distillation relatively high, so the active component easily in loss product; Although it is abundant that solvent extraction exists scallion oil lixiviate, productive rate is higher, and the advantage such as survivable active component when reclaiming, residual impurity amount is larger.
Therefore, need a kind of easy to implement, extraction efficiency is high, the extraction scallion oil method of less energy consumption, no solvent residue.
Summary of the invention
For the shortcoming that above prior art exists, the problem to be solved in the present invention is to provide a kind of preparation method of microencapsulation scallion oil powder, and this preparation method adopts supercritical CO
2extraction, close to room temperature (35 ~ 40 DEG C) and CO
2extract under gas blanket, effectively can prevent oxidation and the loss of heat-sensitive substance, no solvent residue, and extraction efficiency is high, energy consumption is less, easily realizes suitability for industrialized production.
For solving the problems of the technologies described above, the technical solution used in the present invention is: the preparation method providing a kind of microencapsulation scallion oil powder, and the step that the method adopts is:
(1) pulverize: the fresh clean green onion pulverizer through peeling and matting is pulverized, obtains fresh green onion mud;
(2) squeeze the juice: the fresh green onion mud that previous step obtains is squeezed the juice, filtered;
(3) supercritical CO
2extraction, remove the remainder except green onion juice, quantitatively take and load material barrel, be placed in extraction kettle and start extraction equipment and extract, after extraction terminates, from separating still, collect extraction product, take its quality m (g) isolate the shallot essential oil in product with separator after, and calculate yield.The computing formula of yield is
Yield (%)=extract quality (g) × 100/ material quality (m).
(4) emulsification: choose wall material raw material, be dissolved in water, adds after the shallot essential oil obtained through above-mentioned steps extraction and emulsifying agent and stabilizing agent mixing, carries out high-speed stirred emulsification and homogeneous three times.
(5) spraying dry: by the material through above-mentioned steps as core, after packing, then carries out spraying dry, namely obtain microencapsulation scallion oil fine powder after selecting wall material and fixture to core.
As preferably, the extracting pressure that described extraction equipment adopts is 28MPa-32MPa.
As preferably, the extraction time that described extraction equipment adopts is 110min-130min.
As preferably, the extraction temperature that described extraction equipment adopts is 38 DEG C-40 DEG C.
As preferably, described emulsifying agent is monoglyceride+Tween-60 compound, and consumption is 1.5%.
As preferably, described stabilizing agent is gelatin, and consumption is 2%.
As preferably, described wall material is the mixture of Arabic gum and maltodextrin, and both proportionings are 2:1.
As preferably, described core is 0.4:1-0.6:1 with the ratio of wall material, and solid content is 25%-30%, EAT 210 DEG C, leaving air temp 85 DEG C.
The advantage that the present invention has and beneficial effect are: supercritical CO
2extraction is a kind of novel extraction isolation technics, and being characterized in can close to room temperature (35 ~ 40 DEG C) and CO
2extract under gas blanket, effectively prevent oxidation and the loss of heat-sensitive substance, no solvent residue, and extraction efficiency is high, energy consumption is less, realizes suitability for industrialized production than being easier to.The present invention is with fresh shallot for raw material, through pulverizing, squeezing the juice, supercritical CO
2the microencapsulation scallion oil powder that extraction, emulsification and spray drying process process.Pass through supercritical CO
2extraction, emulsification solubilising and spray drying technology, make scallion oil yield high, no solvent residue, quality is better; The microencapsulation scallion oil powder embedding obtained is effective, and yield is higher.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further details.
The invention provides a kind of preparation method of microencapsulation scallion oil powder, the step that the method adopts is:
(1) pulverize: the fresh clean green onion pulverizer through peeling and matting is pulverized, obtains fresh green onion mud;
(2) squeeze the juice: the fresh green onion mud that previous step obtains is squeezed the juice, filtered;
(3) supercritical CO
2extraction, remove the remainder except green onion juice, quantitatively take and load material barrel, be placed in extraction kettle and start extraction equipment and extract, after extraction terminates, from separating still, collect extraction product, take its quality m (g) isolate the shallot essential oil in product with separator after, and calculate yield.The computing formula of yield is
Yield (%)=extract quality (g) × 100/ material quality (m).
(4) emulsification: choose wall material raw material, be dissolved in water, adds after the shallot essential oil obtained through above-mentioned steps extraction and emulsifying agent and stabilizing agent mixing, carries out high-speed stirred emulsification and homogeneous three times.
(5) spraying dry: by the material through above-mentioned steps as core, after packing, then carries out spraying dry, namely obtain microencapsulation scallion oil fine powder after selecting wall material and fixture to core.
Wherein, the extracting pressure that extraction equipment adopts is 28MPa-32MPa, and the extraction time that extraction equipment adopts is 110min-130min, and the extraction temperature that extraction equipment adopts is 38 DEG C-40 DEG C.
In addition, emulsifying agent is monoglyceride+Tween-60 compound, and consumption is 1.5%.Stabilizing agent is gelatin, and consumption is 2%.
Wall material is the mixture of Arabic gum and maltodextrin, and both proportionings are 2:1.Core is 0.4:1-0.6:1 with the ratio of wall material, and solid content is 25%-30%, EAT 210 DEG C, leaving air temp 85 DEG C.
Be described below by way of specific embodiment, wherein, pulverize all identical with the operation such as to squeeze the juice.
Embodiment 1
(1) supercritical CO
2extraction: extracting pressure 30MPa, extraction temperature 38 DEG C, extraction time 130min, and test on the basis of this technological parameter, obtaining essential oil yield is 0.46%.
(2) emulsification solubilising: select monoglyceride+Tween-60 compound as emulsifying agent, consumption is 1.5%, and emulsifying temperature is 80 DEG C; Select gelatin as stabilizing agent, addition is 2%.
(3) spraying dry: wall material selects Arabic gum and maltodextrin, the two proportioning is 2:1.Select core material/wall material than 0.5:1, solid content 30%, EAT 210 DEG C, leaving air temp 85 DEG C.Test by above-mentioned condition, embedding rate is 88.1%, product water dissolubility >=5.0g/100ml (20 DEG C).
Embodiment 2:
(1) supercritical CO
2extraction: extracting pressure 28MPa, extraction temperature 40 DEG C, extraction time 120, and test on the basis of this technological parameter, obtaining essential oil yield is 0.372%.
(2) emulsification solubilising: select monoglyceride+Tween-60 compound as emulsifying agent, consumption is 1.5%, and emulsifying temperature is 80 DEG C; Select gelatin as stabilizing agent, addition is 2%.
(3) spraying dry: wall material selects Arabic gum and maltodextrin, the two proportioning is 2:1.Select core material/wall material than 0.4:1, solid content 25%, EAT 210 DEG C, leaving air temp 85 DEG C.Test by above-mentioned condition, embedding rate is 76.3%, product water dissolubility >=5.0g/100ml (20 DEG C).
Embodiment 3:
(1) supercritical CO
2extraction: extracting pressure 32MPa, extraction temperature 40 DEG C, extraction time 110min, and test on the basis of this technological parameter, obtaining essential oil yield is 0.383%.
(2) emulsification solubilising: select monoglyceride+Tween-60 compound as emulsifying agent, consumption is 1.5%, and emulsifying temperature is 80 DEG C; Select gelatin as stabilizing agent, addition is 2%.
(3) spraying dry: wall material selects Arabic gum and maltodextrin, the two proportioning is 2:1.Select core material/wall material than 0.6:1, solid content 30%, EAT 210 DEG C, leaving air temp 80 DEG C.Test by above-mentioned condition, embedding rate is 80.8%, product water dissolubility >=5.0g/100ml (20 DEG C).
Draw thus, the preparation method of microencapsulation scallion oil powder of the present invention, in conjunction with supercritical CO
2abstraction technique, emulsification solubilization technique and spraying dry microencapsulation technology are made, and product yield is higher, and embedding rate is higher, and the recovery rate of product is higher, product good water solubility.
Above one embodiment of the present of invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (8)
1. a preparation method for microencapsulation scallion oil powder, is characterized in that: the step that the method adopts is:
(1) pulverize: the fresh clean green onion pulverizer through peeling and matting is pulverized, obtains fresh green onion mud;
(2) squeeze the juice: the fresh green onion mud that previous step obtains is squeezed the juice, filtered;
(3) supercritical CO
2extraction, remove the remainder except green onion juice, quantitatively take and load material barrel, be placed in extraction kettle and start extraction equipment and extract, after extraction terminates, from separating still, collect extraction product, take its quality m (g) isolate the shallot essential oil in product with separator after, and calculate yield.The computing formula of yield is
Yield (%)=extract quality (g) × 100/ material quality (m).
(4) emulsification: choose wall material raw material, be dissolved in water, adds after the shallot essential oil obtained through above-mentioned steps extraction and emulsifying agent and stabilizing agent mixing, carries out high-speed stirred emulsification and homogeneous three times.
(5) spraying dry: by the material through above-mentioned steps as core, after packing, then carries out spraying dry, namely obtain microencapsulation scallion oil fine powder after selecting wall material and fixture to core.
2. the preparation method of microencapsulation scallion oil powder according to claim 1, is characterized in that: the extracting pressure that described extraction equipment adopts is 28MPa-32MPa.
3. the preparation method of microencapsulation scallion oil powder according to claim 2, is characterized in that: the extraction time that described extraction equipment adopts is 110min-130min.
4. the preparation method of microencapsulation scallion oil powder according to claim 3, is characterized in that: the extraction temperature that described extraction equipment adopts is 38 DEG C-40 DEG C.
5. the preparation method of microencapsulation scallion oil powder according to claim 4, is characterized in that: described emulsifying agent is monoglyceride+Tween-60 compound, and consumption is 1.5%.
6. the preparation method of microencapsulation scallion oil powder according to claim 5, it is characterized in that: described stabilizing agent is gelatin, consumption is 2%.
7. the preparation method of microencapsulation scallion oil powder according to claim 6, is characterized in that: described wall material is the mixture of Arabic gum and maltodextrin, both proportionings are 2:1.
8. the preparation method of microencapsulation scallion oil powder according to claim 7, it is characterized in that: described core is 0.4:1-0.6:1 with the ratio of wall material, solid content is 25%-30%, EAT 210 DEG C, leaving air temp 85 DEG C.
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| CN201510141501.6A CN104799240A (en) | 2015-03-27 | 2015-03-27 | Preparation method of micro-encapsulated scallion oil powder |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110522032A (en) * | 2019-10-10 | 2019-12-03 | 中国科学院西北高原生物研究所 | A kind of food with onion sulfur-containing compound and flavones |
| CN111567781A (en) * | 2020-06-10 | 2020-08-25 | 江苏特味浓生物技术开发有限公司 | Low-temperature preparation method of scallion and garlic health-care spice powder |
| CN113170873A (en) * | 2021-05-31 | 2021-07-27 | 四川省雅士科技有限公司 | Preparation method of microcapsule spicy seasoning |
| CN113667541A (en) * | 2021-10-25 | 2021-11-19 | 潍坊加易加生物科技有限公司 | Preparation method of essential oil microcapsule |
-
2015
- 2015-03-27 CN CN201510141501.6A patent/CN104799240A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110522032A (en) * | 2019-10-10 | 2019-12-03 | 中国科学院西北高原生物研究所 | A kind of food with onion sulfur-containing compound and flavones |
| CN111567781A (en) * | 2020-06-10 | 2020-08-25 | 江苏特味浓生物技术开发有限公司 | Low-temperature preparation method of scallion and garlic health-care spice powder |
| CN113170873A (en) * | 2021-05-31 | 2021-07-27 | 四川省雅士科技有限公司 | Preparation method of microcapsule spicy seasoning |
| CN113667541A (en) * | 2021-10-25 | 2021-11-19 | 潍坊加易加生物科技有限公司 | Preparation method of essential oil microcapsule |
| CN113667541B (en) * | 2021-10-25 | 2022-01-07 | 潍坊加易加生物科技有限公司 | Preparation method of essential oil microcapsule |
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Application publication date: 20150729 |