List two most importance of studying physical properties of food by food engineers and scientists before designing a new food products or processing a particular food product.

1. Quality control: By studying the physical properties of food, food engineers and scientists can ensure that the final product meets the desired quality standards. Understanding the texture, appearance, viscosity, and other physical properties of food can help ensure that the product is appealing to consumers and meets their expectations.

2. Shelf life and stability: Understanding the physical properties of food can also help determine the shelf life and stability of a product. By studying factors such as water activity, viscosity, and structural integrity, food engineers can design products that are stable and have a longer shelf life, reducing waste and increasing consumer satisfaction.

Also list and explain the five important physical properties of food.

1. Texture: Texture refers to the feel, firmness, chewiness, and overall mouthfeel of a food product. It plays a crucial role in consumer acceptance and preference, as it influences the sensory experience of eating. Understanding and controlling the texture of food is important for ensuring product quality.

2. Viscosity: Viscosity refers to the thickness or resistance to flow of a liquid or semi-solid food. It affects the spreadability, pourability, and overall mouthfeel of a product. Viscosity is important in determining the consistency and stability of food products, such as sauces, soups, and beverages.

3. Moisture content: Moisture content is the amount of water present in a food product. It is a critical factor in determining the shelf life, texture, and stability of food. The moisture content of a product can impact its microbial stability, texture, and overall quality.

4. Density: Density is the mass of a food product per unit volume. It affects the weight, volume, and overall texture of a product. Understanding the density of food is important for packaging, portion control, and ensuring product consistency.

5. Color: Color is an important physical property of food that influences consumer perception, acceptability, and preference. It is influenced by factors such as pigments, processing conditions, and storage conditions. Understanding and controlling the color of food is important for maintaining product consistency and attractiveness.