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Lavina Tantra Halim color has totally lost in the third day, the data is not enough to be calculated and analysed. Increasing the concentration of the samples until it reach the same absorbance between all ratio combination may increase the shelf life for days even weeks.
5.2 Recommendations
Suggested that in further reaserch study, another ratio of combination between butterfly pea extract and red cabbage can be used to enhanced the stability of blue color of butterfly pea.
Increasing concentration of extract also can be used to increse the stability and prolong the color of the samples.
Another sources of anthocyanin can be use to enhanced the color stability combined with butterfly pea flower as natural blue food colorant.
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APPENDICES
APPENDIX 1 : REGRESSION ANALYSIS - COLOR INTENSITY PH6 30ºC 1:0
