Intrastrain Comparison of the Chemical Composition and Antioxidant Activity of an Edible Mushroom, Pleurotus giganteus, and Its Potent Neuritogenic Properties

Table 1

Chemical compositions, sugars, macro- and microelements, and vitamins of commercial Pleurotus giganteus (KLU-M 1227) and wild P. giganteus (KLU-M 1228).

Parameter	Pleurotus giganteus (commercial strain)	Pleurotus giganteus (wild strain)
Carbohydrate (g kg^−1)	672 ± 0.0^a	647 ± 0.0^b
Protein (g kg^−1)	154 ± 0.0^c	192 ± 0.0^d
Energy (kcal kg^−1)	3640 ± 0.00^e	3640 ± 0.0^e
Dietary fiber (g kg^−1)	333.5 ± 0.07^f	324.5 ± 0.07^g
Total fat (g kg^−1)	37.0 ± 0.0^h	31.0 ± 0.0^i
Saturated fat	9.7 ± 0.0^j	9.5 ± 0.0^j
Monosaturated fat	19.7 ± 0.0^k	13.2 ± 0.0^l
Polyunsaturated fat	7.8 ± 0.0^m	8.3 ± 0.0^n
Trans fat	ND	ND
Cholesterol (g kg^−1)	ND	ND
Free sugars (g kg^−1)
Fructose	7.2 ± 0.2^a	10.6 ± 0.4^b
Glucose	31.4 ± 0.7^c	39.7 ± 0.2^d
Sucrose	ND	ND
Lactose	ND	ND
Maltose	ND	ND
Maltotriose	ND	ND
Macroelements (g kg^−1)
Potassium (as K)	13.46 ± 0.0^a	11.71 ± 0.32^b
Phosphorus (as P)	5.27 ± 0.39^c	4.01 ± 0.04^d
Magnesium (as Mg)	0.67 ± 0.00^e	0.65 ± 0.00^f
Calcium (as Ca)	0.058 ± 0.00^g	0.087 ± 0.01^h
Sodium (as Na)	0.058 ± 0.07^g	0.047 ± 0.00^i
Microelements (g kg^−1)
Iron (as Fe)	0.019 ± 0.04^a	0.014 ± 0.00^b
Zinc (as Zn)	0.027 ± 0.01^c	0.042 ± 0.00^d
Manganese (as Mn)	0.041 ± 0.01^e	0.043 ± 0.00^e
Copper (as Cu) (mg kg^−1)	0.60 ± 0.01^f	0.228 ± 0.00^f
Selenium (as Se) (mg kg^−1)	ND	ND
Vitamins (g kg^−1)
Vitamin B1	0.004 ± 0.01^a	0.002 ± 0.00^b
Vitamin B2	0.009 ± 0.00^c	0.009 ± 0.00^c
Vitamin B3	0.09 ± 0.10^d	0.06 ± 0.02^e
Vitamin C	0.003 ± 0.00^a	0.001 ± 0.01^f

Each value is expressed as mean ± SD (𝑛=3). In each row, the different letters represent significant differences between samples (𝑃<0.05). ND: not detectable.