Enriched root powder products and methods of producing thereof

Patent metadata

Field	Value
Publication number	US-10967294-B1
Application number	US-202016893309-A
Country	US
Kind code	B1
Filing date	Jun 4, 2020
Priority date	Sep 13, 2017
Publication date	Apr 6, 2021
Grant date	Apr 6, 2021

Abstract

The present disclosure relates to methods of enriching beetroot products to increase the nitrate content of the beetroot powder product. The disclosure also relates to beetroot powder products with increased with at least 4% nitrate.

First claim

The invention claimed is:

1. A method of increasing nitrate content in a dried beetroot product, the method comprising:
mixing the dried beetroot product with an extraction mixture comprising an alcohol and an acid, wherein the alcohol is a low molecular weight alcohol that is liquid at room temperature;
steeping the mixture of the dried beetroot product and the extraction mixture to produce a steeped mixture;
filtering the steeped mixture to produce a filtered product; and
drying the filtered product to produce a dried filtered product, wherein the nitrate content of the dried filtered product is greater than the nitrate content of the dried beetroot product.

2. The method of claim 1 , wherein the alcohol is selected from the group consisting of: ethanol, methanol, propanol, isopropanol, and isobutanol.

3. The method of claim 1 , wherein the acid is selected from the group consisting of: acetic acid, formic acid, sulfuric acid, hydrochloric acid, nitric acid, hydrobromic acid, phosphoric acid, and perchloric acid.

4. The method of claim 1 , wherein the ratio of the alcohol to the acid in the extraction mixture is 3:1.

5. The method of claim 1 , wherein the extraction mixture is free of water.

6. The method of claim 5 , wherein the extraction mixture consists of absolute ethanol and glacial acetic acid.

7. The method of claim 1 , wherein the mixture of the dried beetroot product and the extraction mixture is steeped for 24 hours prior to the filtering step.

8. The method of claim 1 , wherein steeping the mixture of the dried beetroot product and the extraction mixture further comprises stirring the mixture of the dried beetroot product and the extraction mixture.

9. The method of claim 1 , further comprising providing calcium hydroxide at a molar ratio of 2:1 to the acid to the steeped mixture.

10. The method of claim 9 , wherein the step of drying the filtered product is performed at a temperature not exceeding 50° C.

11. The method of claim 10 , wherein drying the filtered product comprises
air drying, or
vacuum drying at a pressure between 100 mPa and 100 nPa.

12. The method of claim 11 , wherein drying the filtered product comprises vacuum drying the filtered product at a pressure between 100 mPa and 100 nPa at about 45° C.

13. The method of claim 1 , further comprising:
rehydrating the dried filtered product to produce a beetroot solution;
adding an ethanol fermentation agent to the beetroot solution;
fermenting the beetroot solution containing the ethanol fermentation agent, wherein sugars in the beetroot solution are converted into alcohol to produce fermented liquid;
removing the alcohol from the fermented liquid to produce an enriched product; and
filtering the fermented liquid or the enriched product to remove the ethanol fermentation agent.

14. The method of claim 13 , further comprising heating the fermented liquid.

15. The method of claim 13 , wherein removing alcohol from the fermented liquid comprises drying the fermented liquid after the ethanol fermentation agent is filtered from the fermented beetroot liquid or the enriched product.

16. The method of claim 13 , wherein removing alcohol from the fermented liquid comprises spray drying of the fermented liquid after the ethanol fermentation agent is filtered from the fermented liquid or the enriched product.

17. The method of claim 13 , wherein the fermentation agent is selected from the group consisting of: baker's yeast, brewer's yeast, and Zymomonas mobilis.

18. The method of claim 13 , wherein fermenting the beetroot solution comprises stirring the beetroot solution containing the fermentation agent.

19. The method of claim 13 , wherein the filtered liquid is fermented at about 40° C.

20. An enriched beetroot powder consisting essentially of a beetroot powder having an amount of beetroot-contributed inorganic nitrate (NO 3 - ), wherein the amount of beetroot-contributed inorganic nitrate (NO 3 - ) in the beetroot powder is at least 4% by weight of the enriched beet powder.

21. The enriched beetroot powder of claim 20 , wherein the beetroot-contributed inorganic nitrate (NO 3 - ) in the enriched beetroot powder is at least 5% by weight of the enriched beetroot powder.

22. The enriched beetroot powder of claim 20 , wherein the beetroot-contributed inorganic nitrate (NO 3 - ) in the enriched beetroot powder is at least 8% by weight of the enriched beetroot powder.

23. The enriched beetroot powder of claim 20 , wherein the beetroot-contributed inorganic nitrate (NO 3 - ) in the enriched beetroot powder is at least 10% by weight of the enriched beetroot powder.

24. The enriched beetroot powder of claim 20 , wherein the beetroot-contributed inorganic nitrate (NO 3 - ) in the enriched beetroot powder is between 4% by weight and 10% by weight of the enriched beetroot powder.

25. The enriched beetroot powder of claim 20 , wherein the beetroot-contributed inorganic nitrate (NO 3 - ) in the enriched beetroot powder is between 7% by weight and 10% by weight of the enriched beetroot powder.

26. An enriched beetroot powder, consisting essentially of a beetroot powder having an amount of beetroot contributed, inorganic nitrate (NO 3 - ), wherein the amount of beetroot-contributed inorganic nitrate (NO 3 - ) present in the enriched beetroot powder is at least 3% by weight of the enriched beet powder, and wherein the beetroot powder is produced according to a method comprising the steps of:
mixing a dried beetroot product with an extraction mixture comprising an alcohol and an acid, wherein the alcohol is a low molecular weight alcohol that is liquid at room temperature;
steeping the mixture of the dried beetroot product and the extraction mixture to produce a steeped mixture;
filtering the steeped mixture to produce a filtered product; and
drying the filtered product to produce a dried filtered product, wherein the nitrate content by weight of the dried filtered product is greater than the nitrate content by weight of the dried beetroot product.

27. An enriched beetroot powder consisting essentially of a beetroot powder having an amount of beetroot-contributed inorganic nitrate (NO 3 - ) and, an amount of originally-occurring geosmin, wherein the amount of originally-occurring geosmin in the enriched beetroot powder is reduced by producing the enriched beetroot powder by a method comprising:
mixing a beetroot product with extraction mixture to form a beetroot product mixture; steeping the product mixture to produce a steeped mixture;
filtering the steeped mixture to produce a filtered product; and
drying the filtered product to produce an enriched, dried filtered product.

Assignees

• Thermolife Int Llc

Inventors

• Kramer Ronald
• Nikolaidis Alexandros

Classifications

• H05K7/20 Primary

  Modifications to facilitate cooling, ventilating, or heating · CPC title

• E06B7/084

  with rotatable lamellae · CPC title

• B01D11/0288 Primary

  Applications, solvents · CPC title

• A61K2236/53

  Liquid-solid separation, e.g. centrifugation, sedimentation or crystallization · CPC title

• B01D11/0257

  using mixing mechanisms, e.g. stirrers, jets (B01D11/0242 takes precedence) · CPC title