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Table 4 Bone mineralization in growing female PCK rats fed different diets

From: Feeding soy protein isolate and oils rich in omega-3 polyunsaturated fatty acids affected mineral balance, but not bone in a rat model of autosomal recessive polycystic kidney disease

Measurement*

Casein + CO

Casein + SO

SPI + SO

SPI + SB

P -value

Femur

Ca (mg/g of bone)

93.0 ± 1.0

90.7 ± 1.7

94.3 ± 0.7

94.0 ± 1.5

0.23

P (mg/g of bone)

50.1 ± 0.5

49.0 ± 0.9

50.5 ± 0.4

50.5 ± 0.7

0.39

Ash (mg/g bone)

612.0 ± 7.3

578.9 ± 9.6

601.3 ± 8.2

614.5 ± 8.4

0.66

BMA (cm2)

1.30 ± 0.01

1.29 ± 0.02

1.28 ± 0.01

1.30 ± 0.01

0.27

BMC (g)

0.23 ± 0.0001

0.23 ± 0.0002

0.22 ± 0.0001

0.23 ± 0.0001

0.67

BMD (mg/cm2)

0.18 ± 0.0001

0.18 ± 0.0002

0.17 ± 0.0001

0.18 ± 0.0002

0.35

Tibia

     

Ca (mg/g of bone)

90.7 ± 1.2

93.0 ± 1.1

96.8 ± 2.5

95.5 ± 1.9

0.14

P (mg/g of bone)

46.8 ± 0.9

48.3 ± 0.6

49.9 ± 1.3

49.5 ± 1.0

0.12

Ash (mg/g bone)

602.5 ± 5.9

592.1 ± 7.8

603.0 ± 7.5

606.7 ± 4.1

0.59

BMA (cm2)

1.54 ± 0.04

1.50 ± 0.06

1.56 ± 0.06

1.49 ± 0.04

0.56

BMC (g)

0.33 ± 0.01

0.32 ± 0.01

0.33 ± 0.01

0.31 ± 0.02

0.48

BMD (mg/cm2)

0.21 ± 0.002

0.21 ± 0.003

0.21 ± 0.001

0.21 ± 0.002

0.68

  1. *Values are the means ± SEM of n = 12 rats/group. Abbreviations are CO corn oil, SO soybean oil, SPI soy protein isolate, SB 1:1 soybean oil:salmon oil blend, BMA bone mineral area, BMC bone mineral content, BMD bone mineral density, Ca calcium, P phosphorus.