Benzoic acid-enriched plant extracts and use thereof
AssigneeEPC (Beijing) Natural Products Co., Ltd.
InventorsJingang Shi, Wenchao Lu, Feng Sun
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Abstract
Disclosed herein are benzoic acid-enriched plant extracts and uses thereof Specifically, benzoic acid-enriched plant extracts free of toxic substances and organic solvents and use thereof are disclosed. More specifically, a benzoic acid-enriched lingonberry extract free of toxic substances and organic solvents and its use as a preservative is provided.
Claims22
A benzoic acid-enriched plant extract, which has an increased benzoic acid content in comparison with the benzoic acid content that occurs naturally in the native plant.
A benzoic acid-enriched plant extract comprising substantially 100% benzoic acid.
A benzoic acid-enriched plant extract, which has an increased benzoic acid content in comparison with the benzoic acid content that occurs naturally in the native plant, wherein the benzoic acid content is from about 0.5 to about 2 wt. % by weight of the plant extract.
A process for preparing a benzoic acid-enriched plant extract according, comprising the steps of:
- 1) refluxing juice of a benzoic acid containing fruit, optionally in the presence of additional water;
- 2) optionally cooling the mixture to room temperature;
- 3) centrifuging the mixture to provide a supernatant;
- 4) treating the supernatant with an adsorbent;
- 5) separating the adsorbent from the supernatant;
- 6) washing the adsorbent with a solvent to provide a filtrate;
- and
- 7) concentrating the filtrate to provide a benzoic acid containing enriched plant extract.
A method to preserve a food product, a pharmaceutical agent or personal care product, comprising the step of adding plant juice obtained from an immature plant material having benzoic acid, selected from the plants of Vaccinium, Rubus, or Empetrum nigrum.
A method to increase the acidulant effect in a food product, in a pharmaceutical agent or in personal care products, comprising the step of adding a suitable amount of plant juice obtained from an immature plant material having benzoic acid, selected from the plants of Vaccinium, Rubus, or Empetrum nigrum to increase the acidulant taste of the product.
Dependencies are inferred from the claim text.