Table 6 Freshness classification of fish samples based on predicted pH values.

From: Automated seafood freshness detection and preservation analysis using machine learning and paper-based pH sensors

S.No

Fish type

Predicted pH Value on 15th day of vacuum storage

Freshness category

1

Mackerel

5.75768

Fresh

2

Sardine

6.5458

Moderately fresh

3

Prawn

5.85712

Fresh

4

Pomfret

6.5341

Moderately fresh

5

Red snapper

5.97256

Fresh

6

Cuttlefish

6.3252

Fresh

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