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Questions and Answers

What is the primary goal of food preservation?

  • To prevent food spoilage (correct)
  • To enhance food flavor
  • To add food additives
  • To increase food moisture

Which natural ingredient is specifically noted for its antiviral properties?

  • Sugar
  • Garlic (correct)
  • Vinegar
  • Lemon

What is the process of removing moisture from food to prevent bacterial growth called?

  • Fermentation
  • Curing
  • Pickling
  • Drying (correct)

Which method involves the breakdown of carbohydrates by bacteria and yeast?

<p>Fermentation (D)</p> Signup and view all the answers

What role does acetic acid play in vinegar regarding food preservation?

<p>Kills microbes (A)</p> Signup and view all the answers

Which of the following is NOT a traditional method of food preservation?

<p>Refrigeration (B)</p> Signup and view all the answers

What does salting do to food to aid in preservation?

<p>Draws moisture out (C)</p> Signup and view all the answers

Which food preservation method involves immersing food in vinegar or salt?

<p>Pickling (B)</p> Signup and view all the answers

Which ingredient is described as a natural preservative that helps remove water from food?

<p>Sugar (D)</p> Signup and view all the answers

What is the primary benefit of using Himalayan salt as a preservative?

<p>It is more effective than regular salt. (A)</p> Signup and view all the answers

What pH value defines a low-acid food?

<p>4.8 (C)</p> Signup and view all the answers

Which of the following is NOT a step in preparing fruits and vegetables for preservation?

<p>Deep fry before preservation (A)</p> Signup and view all the answers

What is the traditional chemical additive used in preserving meat to prevent early spoilage?

<p>Salt (D)</p> Signup and view all the answers

Which kitchen appliance is primarily used to mix, crush, purée, or emulsify food?

<p>Blender (B)</p> Signup and view all the answers

What is one of the safety rules to follow during food preservation?

<p>Ensure cooking equipment is dry before use (A)</p> Signup and view all the answers

Which material is described as a clear, thin, biodegradable plastic-like material used for packaging?

<p>Cellophane (C)</p> Signup and view all the answers

Which type of packaging material is typically thicker and meant for shipping?

<p>Box (A)</p> Signup and view all the answers

What is the primary benefit of food preservation?

<p>Prevents spoilage of food (C)</p> Signup and view all the answers

What is an important aspect of food packaging in relation to marketing?

<p>Attracting attention and conveying brand identity (B)</p> Signup and view all the answers

What type of food should not be used for preservation?

<p>Spoiled fruits (B)</p> Signup and view all the answers

Which preservation method involves heating food in jars to destroy microorganisms?

<p>Canning (D)</p> Signup and view all the answers

Which method is NOT recommended for washing food during preparation for preservation?

<p>Use of soap (D)</p> Signup and view all the answers

Which of the following tools is classified as a cutting tool?

<p>Knife (C)</p> Signup and view all the answers

What method is known as an easy and least time-consuming way to preserve food?

<p>Freezing (C)</p> Signup and view all the answers

Which of the following tools is commonly used for mixing ingredients?

<p>Wooden spoon (A)</p> Signup and view all the answers

What equipment is suitable for processing low-acid foods?

<p>Pressure cooker (D)</p> Signup and view all the answers

Which option best describes brine?

<p>A high-concentration solution of salt in water (D)</p> Signup and view all the answers

Which type of tool is primarily used to weigh ingredients?

<p>Digital weighing scale (B)</p> Signup and view all the answers

What is one major purpose of pasteurization?

<p>To create a shelf-stable product (C)</p> Signup and view all the answers

Which of these is NOT a benefit of food preservation?

<p>Destroys essential vitamins (D)</p> Signup and view all the answers

What is the primary benefit of using wooden boxes for packaging fruits and vegetables?

<p>They create a breathable environment. (B)</p> Signup and view all the answers

Which material is typically used as a gasket-type seal for food that requires sterilization?

<p>Rubber (C)</p> Signup and view all the answers

What is mentioned as an advantage of aluminum packaging?

<p>It's hygienic and keeps food aroma. (B)</p> Signup and view all the answers

What must be included in the label for preserved food products?

<p>Manufacturer’s name and address. (B)</p> Signup and view all the answers

Why are plastic containers frequently used in food packaging?

<p>They help in food protection and safety. (D)</p> Signup and view all the answers

What is the purpose of the expiration date on preserved food packaging?

<p>To tell when a product is no longer safe or effective. (A)</p> Signup and view all the answers

What protects the contents of cans from light exposure?

<p>The opaque nature of the container. (C)</p> Signup and view all the answers

The nutrition information label on a preserved food product should include which item?

<p>Relevant nutritional details like serving size. (B)</p> Signup and view all the answers

What type of packaging helps continuously reduce food spoilage at a low cost?

<p>Plastic bags. (B)</p> Signup and view all the answers

Which of the following is NOT a typical use of colorful wrappers in food packaging?

<p>To protect food from spoilage. (A)</p> Signup and view all the answers

Flashcards

Food Preservation

Methods to stop food from spoiling by preventing microorganisms from growing.

Natural Preservatives (example)

Ingredients like garlic, lemon, salt, sugar, spices, and vinegar that improve food's shelf life without additives.

Traditional Food Processing

Food preservation methods using natural techniques like drying, fermenting.

Smoking

Preserving food by exposing it to smoke from burning materials.

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Drying/Dehydrating

Removing moisture from food to prevent microbial growth.

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Pickling

Preserving food by using salt or vinegar.

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Fermentation

Using bacteria and yeast to break down carbs into acids or alcohol, preserving food.

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Salting

Preserving food by drawing water out of it, preventing bacterial growth.

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Curing

Preserving food (usually meat or fish) by adding salt, sugar, or nitrates.

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Microbial Growth

The multiplication and spreading of microbes like bacteria and fungi in food.

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Pasteurization

A heat-treatment process that destroys harmful microorganisms in food and beverages, extending their shelf life.

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Freezing (food preservation)

A fast and simple method of preserving food by lowering its temperature to halt microbial growth.

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Food Preservation Tools

Handheld instruments for food preparation and preservation; e.g., knives, peelers.

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Food Preservation Equipment

Powered instruments; examples include refrigerators, ovens, and pressure cookers.

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Mixing Tools

Tools for combining ingredients; examples are wooden spoons and spatulas.

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Cutting Tools

Tools for slicing and chopping food; examples are knives and scissors.

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Measuring Tools

Tools for precisely measuring ingredients, e.g., measuring cups and spoons.

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Weighing Scale

Tools for determining the mass of ingredients; examples are digital and manual scales.

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Low-Acid Food

A food with a pH value greater than 4.6, meaning it's less acidic.

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High-Acid Food

A food with a pH value of 4.6 or less, meaning it's more acidic.

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Food Processor

A kitchen appliance used to pulverize, chop, and slice foods, especially tough ones like nuts and seeds.

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Blender

A kitchen appliance used to mix, crush, purée, or emulsify food and other substances.

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Salt as a Preservative

Traditionally used to inhibit microbial growth and prevent early spoilage in meat.

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Food Preservation Safety Rule: Clean Utensils

Thoroughly wash all tools and utensils used in food preservation to minimize contamination.

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Food Preservation Safety Rule: Thorough Cooking

Cook food thoroughly and sufficiently according to recipes to kill harmful bacteria.

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Packaging for Product Marketing

The packaging of preserved food plays a vital role in its marketing.

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Cellophane

A clear, thin, biodegradable plastic-like material often used for packaging.

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Carton vs. Box

Cartons are made of thinner paper, while boxes are made of thicker paper stock.

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Breathable Packaging

Packaging materials like wood allow air to circulate, reducing moisture buildup and slowing food spoilage.

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Aluminum Packaging Benefits

Aluminum is lightweight, flexible, recyclable, hygienic, and helps retain food aromas.

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Plastic Bag Protection

Plastic bags provide barrier protection, reduce food spoilage, and are cost-effective.

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Crystal Jar Closure

Glass jars with various closures (glass, metal, cork, plastic) based on the food type.

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Gasket-type Seal

Airtight seal for jars, often made of heat-resistant PVC, rubber, or other materials, used for sterilized foods.

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Cans for Preservation

Steel or tin-coated metal containers, opaque to light, ideal for protecting food and extending shelf life.

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Plastic Container Advantages

Plastic containers protect food from damage, ensure safety, and prolong freshness.

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Labeling: Statement of Identity

Clearly states what the preserved food product is (e.g., 'Homemade Pickled Vegetables').

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Labeling: Nutrition Information

Provides serving size, calories, and key nutrients (e.g., fats, carbohydrates, vitamins).

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Labeling: Ingredients List

Lists all ingredients used in the product in descending order of weight.

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Study Notes

Food Preservation

  • Food preservation prevents food spoilage by preventing microorganisms from multiplying and growing.
  • Natural ingredients can preserve food without additives:
    • Garlic: antiviral properties, helps fight bacteria.
    • Lemon: citric acid, good preservative.
    • Salt: excellent preservative, especially Himalayan salt.
    • Sugar: prevents water loss, inhibits microorganisms.
    • Spices: fight bacteria, maintain freshness.
    • Vinegar: acetic acid kills microbes, inhibits spoilage.

Traditional Food Preservation Methods

  • Drying/dehydrating: removes moisture to prevent bacterial growth.
  • Smoking: uses smoke from burning material to preserve.
  • Pickling: preserves food using either salt or vinegar.
  • Fermentation: breaks down carbs, produces acids or alcohol, preserves food.
  • Salting: draws out water, prevents bacteria growth.
  • Curing: adds salt, sugar, nitrites, or nitrates to meat.

Modern Food Preservation Methods

  • Pasteurization: heat treatment destroys microorganisms, extends storage time.
  • Freezing: easy, convenient, and least time-consuming method.
  • Canning: places food in jars, heats to kill microorganisms, extends shelf life.

Tools and Equipment for Food Preservation

  • Tools (handheld): knives, peelers, etc.
  • Equipment: refrigerators, ovens, etc.
  • Mixing tools: wooden spoons, spatulas, tongs.
  • Cutting tools: knives, scissors, peelers.
  • Measuring tools: measuring spoons, cups, salometer.
  • Weighing tools: digital/manual scales.
  • Food containers: pots, pans, jars, etc.
  • Pressure cookers are for preserving low-acid foods like meat, seafood, poultry, and vegetables.

Food Preservation Process

  • Selecting and Preparing Food:
    • Fruits & vegetables: sort, wash, peel, and cut.
    • Meat, poultry, and seafood: wash, consider additives for preservation.
  • Safety in Food Preservation: wash food and utensils thoroughly, use different chopping boards, and clean equipment.

Marketing Preserved Food Products

  • Packaging plays a crucial role in marketing products; it attracts attention, communicates brand identity and key product information, and influences customer purchase decisions.
  • Different packaging materials like cellophane, cartons, boxes, and wooden boxes are used depending on the product.
  • Aluminum is also used for hygiene, keeping aroma, and recyclability, among other factors.

Preserved Food Product Labeling

  • Statement of identity (e.g., homemade pickled vegetables).
  • Nutrition information (calories, key nutrients).
  • Ingredients list (in descending order).
  • Manufacturer's name and address.
  • Net contents.
  • Manufacturing date.
  • Expiration date.

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