Abstract
Source: EP2044852 A1 [EN] The present invention provides a composition comprising colloidal particles steroidal glycoside, preferably prepared from concentrated Hoodia extracts. Also provided is additive comprising steroidal glycoside. ;
| Original language | English |
|---|---|
| Publication status | Published - 2009 |
Bibliographical note
Claims(EP2044852A1): [EN] 1. A composition comprising colloidal particles of Hoodia plant extract, the extract comprising more than about 60 percent, of steroidal glycosides, by weight of the extract, wherein at least 90 percent of the particles have a particle size in the range of from about 10,000 nm to about 10 nm and the particles comprise at least about 2 percent of steroidal glycosides by weight of the particles. 2. A composition according to claim 1 wherein at least 90 percent by weight of the particles have a particle size of less than 5000 nm. 3. A composition according to claim 1 wherein at least 90 percent by weight of the particles have a particle size of less than 1000 nm. 4. A composition according to claim 1 wherein at least 90 percent by weight of the particles have a particle size of less than 500 nm. 5. A composition according to claim 1 wherein the particles are dispersed in a supporting medium. 6. A composition according to claim 1 wherein the plant is selected from <i>Hoodia gordonii</i>, <i>Hoodia currorii</i> subsp. <i>currorrii</i> and <i>Hoodia currorii</i> subsp. <i>lugardii.</i> 7. A composition according to claim 1, where in the plant is <i>Hoodia gordonii</i>. 8. A composition according to claim 1, wherein the steroidal glycosides having the formula: [FTIMG=173117999] wherein R = alkyl; R1 = H, alkyl, tiglyol, benzoyl or any other organic ester group; R2 = H or one or more 6-deoxy carbohydrates, or one or more 2,6-dideoxy carbohydrates, or glucose molecules, or combinations thereof; and wherein the broken lines indicate the optional presence of a further bond between carbon atoms C4 and C5 or between carbon atoms C5 and C6, or mixtures thereof. 9. A composition according to claim 1, wherein the steroidal glycoside has the formula: [FTIMG=173117997] 10. A composition according to claim 1 wherein the colloidal particles further comprise a water insoluble ingredient. 11. A composition according to claim 10 wherein the water insoluble ingredient is selected from the group consisting of oils, fats, waxes, their esters, vitamins, minerals, polymers and biopolymers. 12. An edible aqueous dispersion comprising the composition of claim 1. 13. A composition according to claim 1 which is selected from the group consisting of a food composition, a personal care composition, and a pharmaceutical composition. 14. A composition of claim 13 wherein the composition is food composition. 15. A composition according to claim 14 wherein the composition is a beverage, preferably a protein or tea-based beverage. 16. A composition comprising colloidal particles of Hoodia plant extract, wherein at least 90 percent of the particles have a particle size in the range of from about 10,000 nm to about 10 nm and the particles comprise at least about 60 percent of steroidal glycosides by weight of the particles. 17. A method of manufacturing a composition comprising of steroidal glycosides colloidal particles, the process comprising the steps of: (i) preparing colloidal particles comprising steroidal glycoside;(ii) recovering the particles; and(iii) combining the colloidal particles with a supporting medium. 18. A method according to claim 16 wherein the colloidal particles are recovered in step (ii) as particles and wherein step (iii) comprises dispersing the particles in the supporting medium. 19. A method of managing body weight or in the dietary control of obesity the method comprising administering to a human the food composition of claim 13.M1 - A23L1/30;A61K36/27;