Abstract: The present disclosure provides extracts and compositions comprising quercetagetin. In particular, the extracts are marigold extracts enriched with quercetagetin for cosmeceutical and dermatological application. Accordingly, embodiments herein include a cosmetic method and a dermatological method of treating skin by applying or administering, topically, the compositions comprising the marigold extracts disclosed herein.

Abstract: The present disclosure provides a method for preparing lutein ester, by providing a raw material selected from marigold flowers or marigold meal; subjecting the raw material to extraction using ethanol followed by acetone; and concentrating to obtain an extract which may then be crystallized to obtain lutein ester crystal of high purity. Further, the present disclosure provides a method for preparing lutein ester, by providing a raw material selected from marigold flowers or marigold meal; subjecting the raw material to extraction using isopropanol; and concentrating to obtain an extract which may then be crystallized to obtain lutein ester crystal of high purity.