The absorbance of MFR extract tend to decreased after exposed to UV-C light for 5 hours. The data on Fig. 2B shown that the absorbance of sample was decreased after exposed to UV-C light for one hour. However, the absorbance was tends to stable after 3 hours exposure. After 5 hours, the absorbance of MFR extract was decreased to 3.21%. The stability of Papua red fruit extract has been studied by exposed to UV-C light for 20 hours. After 5 hours, the absorbance of carotenoids in this extract was decreased to 22.13% and after 20 hours decreased to 78.45%10. It can be assumed that the UV-C light was not interrupted the pigments of MFR extract significantly. The red pigments of MFR contained Monascorubramin and Rubropunctamin compounds3. These compounds were more stable when compared to carotenoid compounds. The highly unsaturated carotenoid is sensitive to heat, light and acid which promote to isomerization of trans carotenoids to the cis forms, this results in some loss of colour11.
Encapsulation techniques in food area is aimed to protect the sensitive food components from moisture, oxidation, heat, light or extreme conditions during processing in an effort to increase their shelf life, or to mask component attributes, as undesirable flavours, to meet consumer requests for organoleptic quality and functionality material4. Some techniques have been developed