The Curcuma alismatifolia Gagnep. (Chiang Mai Pink
cultivar) used in this study was kindly provided by the ChiangRai Horticulture Research Center, Chiang Rai province, Thailand.
The flowers were cultivated individually from bulbs in a
greenhouse until the seedlings reached the young bud stage. At
full growth (28 days from initial budding) flowers had been
chosen for analysis.