6 Meals Processing Methods To Preserve Meals Vitamin — Credihealth Weblog


Meals processing strategies are all these totally different strategies we use to show recent meals into meals merchandise. Whereas most affiliate meals processing strategies with comfort meals, virtually all meals is processed to a sure extent earlier than it’s prepared for consumption. Even washing and slicing recent greens constitutes meals processing.

One other false impression about meals processing is that it’s a latest phenomenon. Researchers declare that even early people had been pounding, slicing, grinding, and sun-drying their meals [1]. In newer historical past, nonetheless, meals processing has gone by way of quite a few adjustments which have influenced meals vitamin and our well being. Right here, we talk about a few of the newest adjustments in meals processing and vitamin.

Why is Correct Meals Processing Essential for Well being and Vitamin?

There are two fundamental explanation why correct meals processing strategies are vital: to take away dangerous microorganisms and to increase shelf life. In different phrases, correct processing makes meals safer to eat for longer. One other frequent cause is to make meals extra nutritious and attractive. These have been the principle objectives of meals processing since early instances and proceed to be so at this time.

Unsurprisingly, the meals trade’s fundamental focus has additionally been on making meals fit for human consumption, tasty, and handy. Much less consideration has been paid to the precise high quality of the meals customers supply. Because of this, at this time’s “ultra-processed meals” are sometimes excessive in energy, added sugar, unhealthy fat, and components. This has greater than probably contributed to the surge in persistent illnesses (e.g. coronary heart illness, diabetes, and osteoporosis) seen within the final two centuries [2]. 

Because of this, there was a worldwide push for switching from ultra-processed to minimally processed meals to cut back the burden of persistent illness. The WHO together with a number of UN organizations has referred to as for meals system transformations, which additionally contains switching to correct meals processing strategies [3]. 

What Are The Advantages of Correct Meals Processing?

Correct meals processing strategies can scale back the worldwide burden of persistent illness and assist defend well being all through one’s lifetime. As a result of good vitamin is on the coronary heart of well being and well-being, altering how meals is processed can affect many elements of our well being. Simply a few of the countless benefits of proper food processing for well being and vitamin embody: 

  • Prevention of nutrient deficiencies 
  • Regular progress and improvement in youngsters
  • Lowered danger of persistent illness
  • A stronger immune system
  • Enhanced bodily and psychological efficiency
  • Better well-being
  • Higher hair and pores and skin well being
  • Improved fertility

6 Meals Processing Methods To Preserve Meals Vitamin

Many conventional meals processing strategies are comparatively good at sustaining vitamin. Examples embody cooking, freezing, canning, and drying [4]. However these strategies aren’t good since a lot of them can scale back the vitamin and mineral content material of meals. 

Different conventional and a few new meals processing strategies can counteract this drawback: These traditional and new sorts of meals processing embody: 

1. Freeze-Drying

Many vitamins are warmth delicate. That is very true for vitamin C, folate, and vitamin B6 [5]. Since conventional dehydration entails some degree of warmth processing, these dehydrated apples, plum tomatoes, and mushrooms you typically get pleasure from don’t have the identical degree of vitamins as recent counterparts. Moreover that, conventional dehydration fully adjustments the flavour and construction of the meals. 

Additionally referred to as lyophilization, freeze-drying solves this drawback. The meals is first frozen earlier than being positioned beneath a vacuum to take away its water content material. In freeze-drying, ice goes from stable to vapor with out going by way of the liquid stage. The result’s larger retention of vitamin C, phenolic compounds, and antioxidants [6]. A significant provider of freeze-dried meals and companies within the U.S. is Empire Freezing & Drying providing freeze-dried liquids like yogurt, soups, and sauces, to call just a few.

2. Fermentation

Fermentation is the pure breakdown of sugar molecules by micro organism and fungi into less complicated compounds. People have been exploiting this pure course of to protect and alter the standard of foods and drinks for millennia. Examples of foods and drinks produced by way of conventional fermentation are cultured yogurt, kefir, kombucha, sauerkraut, miso, kimchi, wine, and beer.

What’s nice about fermentation is that they include probiotic micro organism that may enhance intestine and total well being [7]. Fermentation additionally results in the formation of bioactive peptides, that are small protein molecules which have anti-inflammatory and antioxidant advantages. Moreover, fermentation reduces anti-nutrients in meals whereas altering phenolic compounds into their biologically lively kind. 

3. Meals Irradiation

To make meals protected and shelf-stable, producers typically depend on milling, warmth remedy, dehydration, pasteurization, components, and synthetic meals substances. All of those meals processing strategies end in meals that’s typically decrease in vitamins than its recent counterparts [8]. 

Meals irradiation is a comparatively novel various to conventional meals processing strategies. This course of makes use of ionizing radiation to destroy microorganisms that trigger foodborne sickness. Meals handled this fashion is fit for human consumption and retains most of its vitamins [9, 10]. And since low ranges of radiation are used, meals processed this fashion isn’t radioactive, regardless of wide-held perception.

4. Pulsed Electrical Area Meals Processing

One other non-thermal meals processing methodology that’s been slowly rising over the previous years is pulsed electrical discipline (PEF) processing. It depends on microsecond, high-voltage pulses to make meals protected and shelf-stable whereas preserving its dietary worth. This methodology creates pores inside meals cells, and on this approach inactivates any microbes current [11].

PEF processing is so efficient that it will probably inactivate Gram-negative and Gram-positive micro organism in complete milk at simply 50 °C. And since there’s little or no heating concerned, the meals’s style and texture stay largely unaffected. Meals which were handled this fashion embody yogurt drinks, apple sauce, and liquid egg merchandise. 

5. Vacuum-Steam Pulsed Blanching

Blanching entails scaling greens for a short while in boiling water. Regardless of the quick cooking time concerned, research present that it will probably lower vitamin content material [12]. Fortunately, there’s a brand new and higher approach to steadiness greens, and it’s referred to as Vacuum-steam pulsed blanching (VSPB). 

VSPB is actually steam balancing through which air and water vapor are expelled with a pump. Solely a few seconds and little or no water are wanted to completely steadiness a vegetable with this methodology. As a result of vitamins gained’t get misplaced within the water or resulting from lengthy cooking instances, this methodology additionally helps protect dietary high quality in addition to antioxidant potential [13].

6. Isochoric Freezing

Frozen meals could also be extra nutritious than its thermally handled counterparts, however research present that buyers nonetheless favor recent counterparts. It is because freezing fruits and veggies inevitably change their taste and texture [14]. That’s merely resulting from ice crystal formation inside plant cells.

Isochoric freezing solves this challenge by not exposing the fruits and veggies to air. As an alternative, meals is saved in laborious containers full of liquid earlier than being frozen. Not solely is that this extra energy-efficient, nevertheless it was scientifically confirmed to not result in ice crystal formation and deterioration of dietary and sensory high quality [15].


People have been processing meals since their early historical past, and early meals processing strategies concerned slicing, grinding, drying, and bonfire cooking. Since we’ve been processing meals because the daybreak of humanity, we’ve grow to be very proficient in it. That truth has made meals safer, extra shelf-stable, and extra handy over the previous two centuries. Nevertheless, this has additionally come at the price of low dietary high quality. Fortunately, issues have been taking a flip for the higher. As each customers and organizations have acknowledged the necessity for higher meals processing strategies, we’ve seen an enormous surge in novel and improved applied sciences. Meals is now being minimally processed utilizing strategies that protect its vitamins in addition to style and texture. 

Disclaimer: The statements, opinions, and information in these publications are solely these of the person authors and contributors, not Credihealth and the editor(s). 

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