Question

Which of the following materials is most suitable for the packaging of pre-processed vegetables?

(a) HDPE, LLDPE, PVC

(b) PVdC, OPP, HDPE

(c) OPP, LDPE, LLDPE

(d) PS, BOPP, HDPE

This question was addressed to me during an interview.

My query is from Food Packaging Materials in chapter Food Packaging Materials, Packaging Standards and Regulation Laws of Food Packaging Technology

Answer 1

The correct option is (c) OPP, LDPE, LLDPE

For explanation: Most suitable are polymeric blend of LLDPE, LDPE or OPP with EVA copolymer.

Vegetable

Packging material and thickness

Peeled potato, both whole and sliced

LDPE, 50 μm

Grated carrot

OPP, 40 μm, microperforated LDPE-EVA-OPP, 30-40 μm

Sliced beetroot

LDPE, 50 μm

Grated beetroot

OPP, 40 μm, microperforated OPP,PE EVA-OPP 30-40 μm

Shredded white cabbage

OPP, 40 μm, LDPE-EVA-OPP, 30-40 μm

Shredded onion

OPP, 40 μm