31c8a530_ANCES___A_REVIEW___PharmaTutor__Definition
[Sr. No.] 11 [Tablet Defect] Mottling [Reason] Due to different colouration of the excipient or the degradation product of the tablet is coloured. [Remedies] Coating solution is prepare properly in sufficient quantity. [Definition] 
Uneven distribution of colour on the surface of tablet with dark and light patches.
COATING TECHNOLOGY AND ITS RECENT ADVANCES – A REVIEW | PharmaTutor
Definition