Table 2. Production of PDG and Pin by Phomopsis sp. XP-8 cells using different amino acids in the absence of glucose.

Values are the means of three replications and shown with standard deviation.

	Control	Amino acids (7.0 mmol/L) added in the control
		Leu	Thr	Lys	Phe	Tyr	Trp	His
Dry cell weight (g/L)	1.02±0.12 d	1.21±0.10 c d	1.13 ±0.12 d	1.31 ±0.14 b c d	1.78 ±0.12 a	1.64±0.12 a b	1.56±0.14 abc	1.82±0.14 a
Pinoresinol (mg/L)	0 c	0 c	0 c	0 c	10.02±0.4 a	2.92±0.22 b	0 c	0 c

^{a, b, c, d}: Different letters in a same raw indicate the data are significantly different as evaluated by Tukey test (p<0.01). The bioconversion medium is sterilized water without glucose addition. The data were obtained after bioconversion for 40 h. The abbreviations are leucine (Leu), threonine (Thr), lysine (Lys), the aromatic amino acids phenylalanine (Phe) and tyrosine (Tyr), and the heterocyclic amino acids tryptophan (Trp) and histidine (His).