MD2773G2 - Procedeu de obţinere a extractului de stevie - Google Patents
Procedeu de obţinere a extractului de stevie Download PDFInfo
- Publication number
- MD2773G2 MD2773G2 MDA20030158A MD20030158A MD2773G2 MD 2773 G2 MD2773 G2 MD 2773G2 MD A20030158 A MDA20030158 A MD A20030158A MD 20030158 A MD20030158 A MD 20030158A MD 2773 G2 MD2773 G2 MD 2773G2
- Authority
- MD
- Moldova
- Prior art keywords
- extract
- temperature
- during
- stevia
- treated
- Prior art date
Links
- HELXLJCILKEWJH-NCGAPWICSA-N rebaudioside A Chemical compound O([C@H]1[C@H](O)[C@@H](CO)O[C@H]([C@@H]1O[C@H]1[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O1)O)O[C@]12C(=C)C[C@@]3(C1)CC[C@@H]1[C@@](C)(CCC[C@]1([C@@H]3CC2)C)C(=O)O[C@H]1[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O1)O)[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O HELXLJCILKEWJH-NCGAPWICSA-N 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 3
- 244000228451 Stevia rebaudiana Species 0.000 title 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 abstract 9
- 241000544066 Stevia Species 0.000 abstract 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 239000000920 calcium hydroxide Substances 0.000 abstract 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 abstract 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 abstract 1
- 239000000292 calcium oxide Substances 0.000 abstract 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 229930182470 glycoside Natural products 0.000 abstract 1
- 150000002338 glycosides Chemical class 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 238000006386 neutralization reaction Methods 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 235000011007 phosphoric acid Nutrition 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 239000013049 sediment Substances 0.000 abstract 1
- 238000003809 water extraction Methods 0.000 abstract 1
Landscapes
- Seasonings (AREA)
- Saccharide Compounds (AREA)
Abstract
Invenţia se referă la industria alimentară, şi anume la procedeele de obţinere a substanţelor edulcorante din stevie.Procedeul conform invenţiei include extracţia glicozidelor din steviauscată cu apă la temperatura de 80...85°C, timp de 1,0...1,5 ore, până la conţinutul fracţiei masice de substanţe uscate de 8...10%. Extractul obţinut se tratează cu acid ortofosforic sau cu acid citric la agitare până la pH 3,0...3,4 la temperatura de 60...64°C, timp de o oră. După filtrarea extractului se efectuează tratarea lui cu oxid sau hidroxid de calciu la agitare la temperatura de 50...60°C, timp de o oră până la pH 11,8...12,2. Extractul obţinut se filtrează şi se tratează cu acid ortofosforic la temperatura de 20...30°C, timp de 2 ore până la pH 8,2...9,0, se filtrează, se neutralizează cu acid citric până la pH 4,0...4,2 şi se sterilizează. Pentru obţinerea extractului concentrat după neutralizarea cu acid citric până la pH 4,0…4,2 se efectuează răcirea lui până la temperatura de 2...6°C cu menţinerea timp de 2 zile, decantarea sedimentului şi concentrarea extractului până la conţinutul fracţiei masice de substanţe uscate de 48...58%.Rezultatul invenţiei constă în obţinerea extractului de stevie cu un înalt grad de purificare fără utilizarea solvenţilor organici.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MDA20030158A MD2773G2 (ro) | 2003-06-26 | 2003-06-26 | Procedeu de obţinere a extractului de stevie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MDA20030158A MD2773G2 (ro) | 2003-06-26 | 2003-06-26 | Procedeu de obţinere a extractului de stevie |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| MD20030158A MD20030158A (ro) | 2005-01-31 |
| MD2773F2 MD2773F2 (ro) | 2005-05-31 |
| MD2773G2 true MD2773G2 (ro) | 2006-01-31 |
Family
ID=34132298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MDA20030158A MD2773G2 (ro) | 2003-06-26 | 2003-06-26 | Procedeu de obţinere a extractului de stevie |
Country Status (1)
| Country | Link |
|---|---|
| MD (1) | MD2773G2 (ro) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MD3525G2 (ro) * | 2007-11-07 | 2008-10-31 | Институт Пишевых Технологий | Procedeu de obţinere a extractului de Stevia rebaudiana Bertoni |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4082858A (en) * | 1975-06-04 | 1978-04-04 | F. K. Suzuki International, Inc. | Sweetening compound, method of recovery, and use thereof |
| US4599403A (en) * | 1985-10-07 | 1986-07-08 | Harold Levy | Method for recovery of stevioside |
-
2003
- 2003-06-26 MD MDA20030158A patent/MD2773G2/ro not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4082858A (en) * | 1975-06-04 | 1978-04-04 | F. K. Suzuki International, Inc. | Sweetening compound, method of recovery, and use thereof |
| US4599403A (en) * | 1985-10-07 | 1986-07-08 | Harold Levy | Method for recovery of stevioside |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MD3525G2 (ro) * | 2007-11-07 | 2008-10-31 | Институт Пишевых Технологий | Procedeu de obţinere a extractului de Stevia rebaudiana Bertoni |
Also Published As
| Publication number | Publication date |
|---|---|
| MD2773F2 (ro) | 2005-05-31 |
| MD20030158A (ro) | 2005-01-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TC4A | Change of name of proprietor (patent for invention) |
Owner name: INSTITUTUL DE TEHNOLOGII ALIMENTARE, MD |
|
| KA4A | Patent for invention lapsed due to non-payment of fees (with right of restoration) | ||
| MM4A | Patent for invention definitely lapsed due to non-payment of fees |