University of Tabriz Food Research Journal 2008-515X 28 1 2018 03 21 Study of extraction conditions on the color parameters of curcumin powder, turmeric rhizome (Curcuma longa) using response surface methodology Study of extraction conditions on the color parameters of curcumin powder, turmeric rhizome (Curcuma longa) using response surface methodology 197 206 7206 FA Sh Bolourian S Khalilian N Sedaghat F Hoseini M Afshari Journal Article 2018 03 12 https://foodresearch.tabrizu.ac.ir/article_7206_4dd290cf8235295528feb287657148ce.pdf