Exine shells

A - Human Necessities – 61 – K

Patent

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Details

A61K 9/50 (2006.01) A61K 35/66 (2006.01) A61K 36/00 (2006.01)

Patent

CA 2730060

A whitened exine shell having a degree of whiteness (L*) of greater than 65 measured under D 65 illumination. The shell can be used as a delivery vehicle for an active substance, or as an antioxidant It can be used in a method of surgery, therapy or diagnosis The invention provides a formulation containing the whitened exine shell together with an active substance, and a method for preparing the shell by isolating an exine shell from a naturally occurring spore under treatment conditions which do not include aceto lysis, and treating the isolated shell or a precursor thereof with a bleaching composition

Cette invention concerne une coque blanchie dexine ayant un degré de blancheur (L*) supérieur à 65 daprès la mesure effectuée sous éclairage D 65. La coque peut être utilisée comme véhicule dadministration dune substance active, ou comme antioxydant. Linvention peut être utilisée dans une méthode chirurgicale, thérapeutique ou diagnostique. Linvention concerne une formule contenant la coque blanchie dexine ainsi quune substance active; et une méthode de préparation de la coque en isolant une coque dexine à partir dune spore présente à létat naturel dans des conditions de traitement qui ne comprennent pas lacétolyse, et en traitant la coque isolée ou son précurseur avec une composition de blanchiment.

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