NUT 1104 Food Sciences I Overview
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Questions and Answers

What is the primary ingredient in traditional pasta recipes?

  • Soft wheat flour
  • Semolina (correct)
  • Whole grain flour
  • Eggs

Which characteristic is true for Japanese noodle flour?

  • Bold yellow color
  • Creamy white appearance (correct)
  • High protein content
  • High ash content

What type of wheat is typically used for making wheat flakes?

  • Semolina
  • Soft wheat (correct)
  • Durum wheat
  • Hard wheat

Which ingredient is commonly added to breakfast cereals for enrichment?

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

What is the protein content of Chinese noodles typically made from hard wheat flour?

<p>10.5 – 12% (B)</p> Signup and view all the answers

Which part of the wheat kernel is primarily used to produce white flour?

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

What is a notable characteristic of brown rice compared to other cereal grains?

<p>It has the highest starch content. (C)</p> Signup and view all the answers

What is an essential aspect of gluten formation in grains?

<p>It requires water and kneading. (B)</p> Signup and view all the answers

Which cereal grain is often consumed first by infants due to its low allergenic potential?

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

Which of the following statements about pasta production is true?

<p>Durum wheat is commonly used for making traditional pasta. (D)</p> Signup and view all the answers

Which Asian noodle type is typically made from rice flour?

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

In cereal grain processing, what happens to the bran and germ during the milling of wheat?

<p>They are separated to produce different types of flour. (C)</p> Signup and view all the answers

What is a known nutritional characteristic of legumes compared to grains?

<p>Rich in dietary fiber. (C)</p> Signup and view all the answers

Which type of flour is specifically a blend of hard and soft wheat?

<p>All-purpose flour (D)</p> Signup and view all the answers

What type of pasta includes spaghetti, lasagna, and linguine?

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

What is the primary characteristic of corn flours compared to other flours?

<p>They do not form gluten upon hydration (C)</p> Signup and view all the answers

Which type of flour has a greater gluten strength?

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

Which statement is true about rice flour compared to rice starch?

<p>Rice flour has a higher protein content than rice starch (B)</p> Signup and view all the answers

Which of these amino acids is primarily responsible for the low solubility of gluten?

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

What is a key component that distinguishes gluten flour from other types of flour?

<p>Higher protein content (D)</p> Signup and view all the answers

What types of goods are macaroni, rigatoni, and penne classified as?

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

Flashcards

Pasta Ingredients

Traditional pasta is primarily made from semolina and water.

Pasta Durability

Pasta made from semolina is durable enough for transport and shipping.

Noodle Ingredients

Noodles are often made from soft wheat flour, and can include salt and eggs.

Asian Noodle Standards

Asian markets have strict requirements for noodles, often specifying low-ash & low protein wheat flour.

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Breakfast Cereal Types

Breakfast cereals are often made from whole grains, except for farina, which is from middlings.

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Types of Flour

Different types of flour are categorized based on their wheat type (hard, soft), protein content, and starch content.

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All-purpose flour

A blend of hard and soft wheat, used in many recipes.

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Gluten

A protein found in wheat, crucial for dough elasticity and texture.

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Gluten's amino acid composition

Gluten has a unique amino acid composition with hydrophobic residues, affecting its water solubility.

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Rice Flour

Rice flour is made from rice starch, with low protein content.

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Corn Flour

Corn flour and meal are used in various food products due to their long shelf life.

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Flour Protein Content

Different types of wheat have varying protein concentrations. Hard wheat varieties result in flour with higher protein content.

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What is wheat flour made from?

Wheat flour is made by grinding whole wheat kernels, which consist of bran, germ, and endosperm.

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What are the differences between white and whole wheat flour?

White flour is made from just the endosperm, while whole wheat flour includes all three parts of the kernel: bran, germ, and endosperm.

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Why is rice important for individuals with wheat allergies?

Rice and rice flour are important alternatives for individuals with wheat allergies or gluten intolerance because they do not contain gluten.

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What is the nutritional significance of brown rice?

Brown rice has the lowest protein content and total dietary fiber among cereal grains but has the highest content of starch and available carbohydrates.

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How is white flour made?

White flour is made by grinding only the endosperm of the wheat kernel.

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What is the role of the bran in wheat?

The bran is the outer layer of the wheat kernel and is a good source of fiber.

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What is the role of the germ in wheat?

The germ is the embryo of the wheat kernel and is a good source of nutrients like vitamins and minerals.

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Why is rice a good option for infants as their 'first food'?

Rice is often used as a 'first food' for infants because it is less likely to cause allergies compared to other grains.

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Study Notes

Course Information

  • Course: NUT 1104 Food Sciences I
  • Term: 2024 Fall
  • Instructor: Ezgi Pulatsu, Ph.D.
  • Department: School of Nutrition Sciences
  • University: University of Ottawa/Université d'Ottawa

Course Content

  • Module 1: Introduction
  • 1.1 Course Introduction
  • Syllabus, Course content, Course calendar, Rules & Regulations
  • Module 2: Food Components and Chemistry
  • 2.1 Water
  • 2.2 Carbohydrates
  • 2.3 Proteins
  • 2.4 Lipids
  • 2.5 Vitamins and Minerals
  • Module 3: Food and Food Materials
  • 3.1 Meat, Poultry, and Fish
  • 3.2 Eggs and Dairy
  • 3.3 Legumes, Pulses, and Cereals
  • 3.4 Flour and Pasta
  • 3.5 Bread and Baked Goods
  • 3.6 Chocolate
  • Module 4: Food Additives and Food Safety
  • 4.1 Food Additives
  • 4.2 Food Safety

Course Calendar

  • Week and dates: Detailed schedule of lectures, quizzes, and exams
  • Room: 200 Lees, 111
  • Topics: Lecture topics for each week are listed, including introduction to various food components. Reading week noted
  • Exams: Dates and types of exams, quizzes, and midterms, and dates are included
  • Specific sections of books for each lecture topic
  • Book 1: Essentials of Food Science (5th Edition, 2021)
  • Book 2: Fennema's Food Chemistry (4th Edition, 2011)
  • Book 3: Understanding food: principles and preparation (2015)

Learning Outcomes

  • Become familiar with legumes, pulses, and cereals
  • Discuss the food products derived from these plant sources
  • Identify food matrices and the roles of their components

Outline of Topics

  • Introduction
  • Legumes, Pulses and Cereals
  • Definitions
  • Types, nutritional factors, and processing
  • Flour and Pasta
  • Definitions
  • Types, categorization, processing

Introduction to Food Science

  • 50% of food protein comes from cereals
  • Cereals are a source of energy (1400-1600 kJ per 100g whole cereal)
  • Cereals are important in developing countries providing two thirds of energy and protein intake

Cereals Composition

  • Cereals contain non-starch polysaccharides (NSP) and starch with weights making up 70-77% of the grain.
  • Protein constitutes 6-15% of cereals
  • Starch and NSP can be fermented by microorganisms in the large intestine

Various Cereal Grains and Their Uses (Sections 2. Rice, 3. Corn)

  • Includes varieties of rice, compositions, processing, structure, nutritional value and primary nutrients
  • Descriptions of wheat flour types, various categories, typical uses/applications, and compositions

Pasta

  • Durum wheat used for spaghetti, lasagna, linguine, and vermicelli
  • Macaroni, rigatoni, ziti and penne
  • Traditional pasta recipes are simple, using only semolina and water
  • Durable enough for transportation
  • Cohesive in cooked form due to semolina gluten protein matrix

Breakfast Cereals

  • Most products are made from whole grains
  • Popular products due to long shelf-life

Other Key Topics

  • Office hours and instructor contact
  • List of gluten-containing and gluten-free grains, as well as types of flours

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Description

This quiz covers the main components of NUT 1104 Food Sciences I, including food components, chemistry, and food safety. Explore topics such as water, carbohydrates, proteins, and additives, while gaining insights into various food materials. Test your knowledge about the course structure and essential food sciences concepts.

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