Table 2: Calcium concentrations*.

Guinea pigs

sacrificed at

Exposure

time to

glutaraldehyde

Pericardium

treated with

glutaraldehyde

without glycine

Pericardium

treated with

glutaraldehyde

with glycine

One month

24 hours

2.98

0.399

7 days

4.03

0.67

14 days

9.35

1.03

Three months

24 hours

3.96

0.61

7 days

8.12

0.927

14 days

12.15

1.26

Six months

24 hours

4.83

0.69

7 days

15.25

1.01

14 days

22.05

1.52

* Calcium amounts are expressed in mg/g of dry tissue.