Why do we need to blanch when making potato chips and fries?

When making potato chips or French fries, it is usually necessary to blanch the potatoes in hot water. And the blanching process seems to have become a necessary process in the potato chips production line plant? So what is the effect of blanching potatoes? Is blanching necessary? How long does it take to blanch? The following will introduce the above questions for you.

What is blanching?

Blanching awali inahusu matibabu ya joto ya mboga ambayo yanahitaji kuwekwa kwenye friji. Utaratibu huu ni operesheni ya kuzuia chakula kisiharibike. Blanching inahusu kuzamisha chakula kwenye mvuke au maji ya moto na kukiweka kwenye joto fulani kwa muda fulani. Mchakato wa blanching kawaida unahusiana na shughuli za enzymes, kwa hivyo mchakato wa blanching ni muhimu sana kwa ubora wa vyakula vilivyohifadhiwa kwa muda mrefu. Mchakato wa blanchi hautumiwi tu katika mmea wa uzalishaji wa chips za viazi, unaweza pia kutumika katika uhifadhi wa mboga mpya.

Why do I need to blanch when making fried potato chips?

Wakati wa kutengeneza chips za viazi, viazi vya blanchi vina kazi zifuatazo:

1. Viazi zilizokaushwa zinaweza kusaidia kuondoa ngozi za viazi, kuweka viazi safi, kulinda rangi yao na kuhifadhi viazi.
2. Kukausha kunaweza kusaidia kusafisha uchafu na bakteria kwenye tambi za viazi na kuweka viazi mbichi.
3. Katika mstari wa uzalishaji wa chip ya viazi, viazi vya blanchi vinaweza kuzuia uzalishaji wa vimeng'enya. Kukausha kunaweza kuua vimeng'enya, na hivyo kudumisha ladha na rangi ya viazi, na pia inaweza kupanua maisha ya uhifadhi wa viazi.
4. Kukausha kabla ya kukaanga, inaweza kunyunyiza wanga na kuunda safu ya wanga iliyotiwa mafuta kwenye uso wa viazi, na hivyo kuzuia kunyonya kwa mafuta na viazi. Kwa hiyo, blanching inaweza kuboresha ladha ya chips viazi kukaanga.
5. Kukausha kunaweza kupunguza kiwango cha acrylamide kwenye chips za viazi ili chips za viazi zipate rangi moja.

How long does it take to blanch?

Since blanching potatoes in the potato chips production line plant has many benefits, we should blanch the potatoes. So how long should we blanch? Is the longer the blanching time the better? Although blanching looks very easy, there are also requirements for blanching. The blanching time should be just right, not too long or too short. If the blanching time is too long, it will stimulate the activity of enzymes in the potatoes, resulting in loss of flavor and color. If the blanching time is too short, the quality of the potatoes will decrease, which will affect the flavor and color of the potato chips.