MD2773G2 - Process for stevia extract obtaining - Google Patents
Process for stevia extract obtaining 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
The invention refers to the food industry, namely to processes for obtaining edulcorants from stevia.The process, according to the invention, includes water extraction of glycosides from dry stevia at the temperature of 80…85°C during 1,0…1,5 hours, up to the content of dry substances mass fraction of 8…10%. The obtained extract is treated with orthophosphoric acid or citric acid at mixing up to pH 3,0…3,4 at the temperature of 60…64°C, during an hour. After filtration the extract is treated with calcium oxide or hydroxide at the temperature of 50…60°C, during an hour up to pH 11,8…12,2. The obtained extract is treated with orthophosporic acid at the temperature of 20…30°C, during 2 hours up to pH 8,2…9,0, it is filtered, neutralized with citric acid up to pH 4,0…4,2 and sterilized. In order to obtain a concentrated extract after neutralization with citric acid up to pH 4,0…4,2 it is cooled up to the temperature of 2…6°C, maintaining it during two days, it is separated the sediment and it is concentrated the extract up to the content of dry substances mass fraction of 48…58%.The result of the invention consists in obtaining a stevia extract with high purification degree without using organic solvents.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MDA20030158A MD2773G2 (en) | 2003-06-26 | 2003-06-26 | Process for stevia extract obtaining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MDA20030158A MD2773G2 (en) | 2003-06-26 | 2003-06-26 | Process for stevia extract obtaining |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| MD20030158A MD20030158A (en) | 2005-01-31 |
| MD2773F2 MD2773F2 (en) | 2005-05-31 |
| MD2773G2 true MD2773G2 (en) | 2006-01-31 |
Family
ID=34132298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MDA20030158A MD2773G2 (en) | 2003-06-26 | 2003-06-26 | Process for stevia extract obtaining |
Country Status (1)
| Country | Link |
|---|---|
| MD (1) | MD2773G2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MD3525G2 (en) * | 2007-11-07 | 2008-10-31 | Институт Пишевых Технологий | Process for Stevia rebaudiana Bertoni extract obtaining |
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/en 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 (en) * | 2007-11-07 | 2008-10-31 | Институт Пишевых Технологий | Process for Stevia rebaudiana Bertoni extract obtaining |
Also Published As
| Publication number | Publication date |
|---|---|
| MD20030158A (en) | 2005-01-31 |
| MD2773F2 (en) | 2005-05-31 |
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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 |