Post-harvest technology Flashcards

1
Q

separation from the medium and site of immediate growth or production of the food

A

Post-harvest

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2
Q

movement of commodities and the operations prior to meal preparation or food processing

A

Post harvest handling

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3
Q

includes the technological aspects of marketing and distribution.

A

Post harvest handling

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4
Q

Stages during the life-span of Fruits and Vegetables

A

Pre-maturation -> Maturation -> Ripening -> Senescence

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5
Q

End of developmental stage of the fruit when it has the ability to ripen normally after harvest

A

Maturation

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6
Q

Process of developing all the desirable characteristics of the fruit

A

Ripening

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7
Q

Final stage in the development of plant organs leading to cellular breakdown and death

A

Senescence

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7
Q

Postharvest losses among major farm commodities in the Philippines range from _______________

A

10 to 50 %

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8
Q

This qualitative and quantitative loss assessment of corn postharvest was conducted in 2009 in three corn producing provinces namely: _____________________

A

Isabela, Bukidnon and South Cotabato

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9
Q

Based on a study of PHilMech and PhilRice (2010), a total of _____ grain losses incurred during the postharvest activities. Both drying and milling have the highest recorded losses with _____ and ____ share respectively.

A

16.47% ; 36% ; 34%

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10
Q

An average of _____ percent was lost in the corn postharvest system, of which _____ percent was due to drying loss.

A

7.8 ; 4.54

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11
Q

In Isabela, the losses amounted to around _____ percent where _____ percent was measured in drying.

A

7.15 ; 4.01

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12
Q

In Bukidnon, postharvest losses obtained was_____ percent,_____ percent was also due to drying loss.

A

7.35 ; 4.99

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13
Q

While in South Cotabato,____ percent was the total postharvest losses from which ____ percent was incurred during the drying operation.

A

5.98 ; 4.63

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14
Q

losses that occur before the process of harvesting

A

Pre-harvest

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15
Q

losses occur between onset and completion of the process of harvesting

A

Harvest

16
Q

losses occur between the completion of harvest and the moment of human consumption

A

Post-harvest

17
Q

To reduce these losses, producers and handlers must: (2 answers)

A
  • Understand the biological and environmental factors involved in deterioration
  • Use post harvest techniques that delay senescence and maintain the best possible quality
18
Q

Considerations in harvesting (6 answers)

A

Minimize mechanical injuries

Harvest at the right time of the day

Avoid exposure to direct sunlight

Minimize latex injury

Minimize microbial growth & contamination

In-field presorting – mechanical damage, cost

Consider cost and convenience of methods

19
Q

To minimize mechanical injuries, what tools do we use?

A

*Use sharp clippers, picking poles, padded baskets

20
Q

Types of damage incurred

A

Mechanical damage
* Bruising
* Wounding
* Distortion
* Compression
* Abrasion

21
Q

discoloration on the peel due to the corrosive action of the latex

A

Latex / sap

22
Q

brownish-black streak that may be sunken and are attributed to aged latex stains

A

Latex burn

23
Q

Postharvest technology procedures by PhilMech (4 answers)

A

Computer Vision System

Corn Sheller

Cassava Digger

Agricultural Tramline System

24
Q

Another type of damage incurred

A

Compression