Protein Source

PER

Reference

Wheat flour

0.60

FAO (1970)

Red Kidney beans

0.88

FAO (1970)

Lentils

0.91

FAO (1970)

Seasame flour

0.99

FAO (1970)

Sunflower seed meal

1.24

FAO (1970)

Mushroom

1.40

Present study (1989)

Field peas flour

1.46

-

Lima Beans

1.68

-

Winged beans

1.73

-

Soybean flour

1.81

-

Table 5: Comparison of PER values of in the vivo digestibility studies of different plant protein sources and mushroom protein.