Table 3 Triterpenoid Production of tetraploid hairy root cultures (Mean ± SD (µg/mg DW)).

MeJA	Harvest Date	AD	MA	AA	TT
0 µM	Day 7	0.00 ± 0.00^a	0.00 ± 0.00^a	0.00 ± 0.00^a	0.00 ± 0.00^a
	Day 14	0.00 ± 0.00^a	0.00 ± 0.00^a	0.00 ± 0.00^a	0.00 ± 0.00^a
	Day 21	0.00 ± 0.00^a	0.00 ± 0.00^a	0.00 ± 0.00^a	0.00 ± 0.00^a
	Day 28	0.00 ± 0.00^a	0.00 ± 0.00^a	0.00 ± 0.00^a	0.00 ± 0.00^a
50 µM	Day 7	0.00 ± 0.00^a	0.00 ± 0.00^a	0.00 ± 0.00^a	0.00 ± 0.00^a
	Day 14	0.00 ± 0.00^a	0.37 ± 0.20^ab	0.00 ± 0.00^a	0.37 ± 0.20^a
	Day 21	5.83 ± 3.37^abc	0.65 ± 0.23^ab	1.84 ± 0.29^ab	8.32 ± 2.87^abc
	Day 28	10.72 ± 4.25^cd	1.40 ± 0.69^cd	4.17 ± 1.38^c	16.29 ± 6.32^c
100 µM	Day 7	3.49 ± 3.03^ab	0.00 ± 0.00^a	0.00 ± 0.00^a	3.49 ± 3.03^ab
	Day 14	14.39 ± 7.86^d	0.51 ± 0.21^ab	1.41 ± 1.22^ab	16.31 ± 9.24^c
	Day 21	7.60 ± 7.19^bc	0.82 ± 0.58^bc	2.20 ± 1.9^b	10.62 ± 9.34^bc
	Day 28	7.95 ± 2.06^bc	1.85 ± 1.04^d	5.69 ± 1.96^c	15.49 ± 4.93^c

Means within each column with different letters are significantly different at P < 0.05.
TT: Total triterpenoid, AD: Asiaticoside, MA: Madecassic Acid, AA: Asiatic Acid.

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