Medium / Low Glycaemic Index Products and Methods
Patent Information
- Authority / Receiving Office
- AU · AU
- Patent Type
- Applications
- Current Assignee / Owner
- KINGS COLLEGE LONDON
- Filing Date
- 2024-12-17
- Publication Date
- 2026-07-02
Abstract
Claims
1. A process comprising(a) providing a quantity of plant material;(b) heating the material of (a) in aqueous medium to a temperature of 75 to 105 °C;(c) physically disrupting the material of (b);(d) processing the physically disrupted material of (c) by sieving to obtain particles in the size range 20 pm to 4 mm; and(e) drying the material of (d).
2. A process according to claim 1 wherein the size range is 200 pm to 4 mm, preferably wherein the size range is 75 - 500 pm, preferably wherein the size range is 65 - 500 pm, preferably wherein the size range is 50 - 500 pm, preferably wherein the size range is 20 to 250 pm, preferably wherein the size range is 50 to 250 pm, preferably wherein the size range is 80 to 150 pm.
3. A process according to any of claims 1 to 2 wherein step (d) comprises wet sieving.
4. A process according to any of claims 1 to 3 wherein the material being sieved comprises at least 50% water.
5. A process according to any preceding claim wherein step (b) is carried out for sufficient time to solubilise intercellular pectin.
6. A process according to claim 5 wherein step (b) is carried out for 30 to 120 minutes.
7. A process according to any preceding claim wherein step (c) comprises homogenisation.
8. A process according to claim 7 wherein homogenisation comprises processing the material with a blender or ultraturrax homogeniser.
9. A process according to any preceding claim wherein step (e) comprises roller drying.2024278527 17 Dec 2024io. A process according to any preceding claim wherein step (e) comprises heating the wet material of step (d) to a temperature of 80 to 200 °C until the water content of the material is <10% by weight.
11. A process according to any preceding claim wherein step (e) comprises spreading the material in a layer <0.5 cm thick and drying in a deck oven.
12. A process according to any preceding claim wherein step (e) comprises air drying until the water content of the material is <14% by weight, preferably <5% by weight.
13. A product which comprises at least 30% or more intact plant cells, which comprises 15% or less water by weight, which has a particle size in the range 50 - 500 pm, characterised in that the product comprises at least 20% resistant starch as a proportion of total starch.
14. A product according to claim 13 or claim 14 which has a particle size in the range 65 - 500 pm, preferably 75 - 500 pm, characterised in that the product comprises at least 30% resistant starch as a proportion of total starch.
15. A product according to claim 13 or claim 14 wherein said product comprises at least 50% intact plant cells, preferably at least 60% intact plant cells, preferably at least 64% intact plant cells.
16. A product according to any of claims 13 to 15 wherein said product comprises at least 50% resistant starch, preferably at least 55% resistant starch, preferably at least 60% resistant starch, preferably at least 80% resistant starch, as a proportion of total starch.
17. A product according to any of claims 13 to 16 wherein said product comprises 35 - 85 g starch per too g product.
18. A product according to any of claims 13 to 17 wherein said product comprises 8 to 14% water by weight.
19. A product according to any of claims 13 to 17 wherein said product comprises < 10% water by weight.2024278527 17 Dec 202420. A product according to claim 19 wherein said product comprises < 5% water by weight.
21. A product according to any of claims 13 to 20 wherein said product is a powder.
22. A product according to any of claims 13 to 21 wherein said plant materialcomprises chickpea (Cicer arietinum).
23. A product according to any of claims 13 to 22 wherein said resistant starch is RSi type resistant starch.
24. A product according to any of claims 13 to 23 wherein said product is obtainable by, or is obtained by, a process according to any of claims 1 to 12.
25. A foodstuff comprising a product according to any of claims 13 to 24.
26. A foodstuff according to claim 25 wherein said foodstuff is selected from the group consisting of biscuit, cracker, wafer, cake, smoothie, pasta, noodle, baked goods, extruded cereal, beverage, infant nutrition product, sports nutrition product, and high protein product.
27. A foodstuff according to claim 25 or claim 26 wherein said foodstuff is a foodstuff having a glycaemic index of 69 or less, preferably 60 or less, preferably 55 or less.