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Table 3 Comparison of degradabilities of PET suspensions from different PET sources

From: Efficient depolymerization of polyethylene terephthalate (PET) and polyethylene furanoate by engineered PET hydrolase Cut190

PET suspension

Concentrationa

Total productsa

Degradation

(mg/ml)

(mM)

(mM)

(%)

PET-S

6.9

35.8

9.02 ± 0.76

25.2 ± 2.1

Waste PET bottle flakes

9.0

46.8

6.51 ± 0.09

13.9 ± 0.2

Cap for a drinking cupb

7.3

37.8

9.78 ± 1.48

25.9 ± 3.9

  1. The reactions were performed with Cut190*SS at 60 °C (PET-S) or 65 °C (others) for 6 days, as described in “Materials and methods”
  2. aAs monomer units. One milligram of PET corresponds to 5.2 μmoles of monomer unit
  3. bFood package 1 in Additional file 1: Table S1
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