| 摘要 |
The present invention relates to a water-soluble and/or a water-dispersible particle having: a mean particle diameter of less than 20 mm, preferably less than 2 mm; a hardness (H) of 500 MPa or less, when measured at a temperature of 20° C., a relative humidity of 40%; and a fracture toughness (Kc) of 0.04 MPa.m1/2 or greater, when measured at a temperature of 20° C., a relative humidity of 40% and a strain rate of from 1x10-4 to 1x104 s-1, said particle comprises an active ingredient and a matrix suitable for delivering said active ingredient to an aqueous environment, said particle is not freeze dried.
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