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.
申请公布号
WO2010004334(A2)
申请公布日期
2010.01.14
申请号
WO2009GB50813
申请日期
2009.07.09
申请人
UNIVERSITY OF HULL;ATKIN, STEPHEN;BECKETT, STEPHEN;MACKENZIE, GRAHAME