Factors Affecting the Accumulation of Curcumin in Microrhizomes of Curcuma aromatica Salisb

Table 4

Effect of light quality on accumulation of curcumin and curcuminoids in induced microrhizomes.

Light quality	Induction rate of microrhizomes (%)	Average weight of microrhizomes (g)	Content of curcumin (μg/g)	Content of demethoxycurcumin (μg/g)	Content of curcuminoids (μg/g)	Total yield of curcumin (μg/container)	Total yield of demethoxycurcumin (μg/container)	Total yield of curcuminoids (μg/container)
White light	90.00 ± 2.00^a	0.0235 ± 0.0019^a	74.36 ± 4.32^bc	558.89 ± 24.97^b	633.25 ± 58.57^b	9.42 ± 0.55^a	70.80 ± 3.16^a	80.22 ± 3.71^a
Red light	60.00 ± 5.45^b	0.0241 ± 0.0003^a	107.34 ± 4.29^a	854.60 ± 7.20^a	961.94 ± 10.13^a	9.56 ± 0.09^a	74.37 ± 0.55^a	83.93 ± 0.65^a
Red light : blue light = 7 : 3	50.00 ± 2.72^c	0.0228 ± 0.0002^b	83.57 ± 0.82^b	616.73 ± 2.78^b	700.31 ± 2.19^b	5.71 ± 0.07^c	42.20 ± 0.18^b	47.90 ± 0.25^b
Red light : blue light = 3 : 7	57.78 ± 4.16^b	0.0223 ± 0.0002^c	87.22 ± 1.19^b	446.47 ± 8.52^c	533.69 ± 8.17^c	6.78 ± 0.10^b	34.09 ± 0.15^c	40.87 ± 0.25^c
Blue light	37.78 ± 4.16^c	0.0218 ± 0.0004^bc	70.25 ± 1.23^c	362.83 ± 4.50^d	433.08 ± 5.68^d	3.45 ± 0.05^d	17.83 ± 0.12^d	21.27 ± 0.18^d

Values followed by different letters differ significantly. .