Preliminary operations Flashcards by Alice Robson

Q

Sorting

A

single characteristic

weight, texture, colour, taste

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Q

Sorting methods

A

Cylindrincal rolls for non-sensitive products

Image analysis

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Q

Wet cleaning Ad and disadv

A

Ad- less surface damage, more effecient

Disadv- microbial growth, dewatering?

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Q

Wet cleaning methods

A

Detergent,
Agitation
Soak tanks

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Q

dry cleaning ad and disadv

A

Adv - cheap, surface

Disadv - less efficent, produces dust

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Q

Dry cleaning methods

A

Aspriation - winnower
Magnet
Brushing
Screening

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Q

Grading

A

Shape, blemish, mechanical damage
Separates undesirable attributes

Disadv- if human graders used

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Q

Peeling

A

Removes unwanted material

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Q

Abrasion peeling

A

Root veg

High bruising

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Q

Caustic

A

Uses lye solution at 100-120C

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