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Food Science

Food Science is a multi-disciplinary field involving chemistry, biochemistry, nutrition, microbiology and even engineering of a biological nature. It integrates broad-based knowledge and focuses it on food. Quality, safety, and nutrition questions are just some of the areas dealt with in this category.

1,441 Questions

Why is meat bad for the atmosphere?

Meat itself is not bad for the environment. Because of the size of the Beef industry in particular, the transporting of product around the world has had a significant impact on our environment. Not to mention that with more bulls and cows on the planet than ever before the methane gas produced by the animals is also having an effect.

What is the healthiest meat?

A diet rich in all four major food groups is best, so a balance of both vegetables and meat is important. Usually one should consume more servings of vegetables than meat, but meat is also important because it has protein. See a website like Nutrition.gov for information on recommended dietary outlines or consult your physician about special dietary needs.

How much of an egg is water?

I suppose so, but don't start substituting water for eggs in everything. Water and flaxseed is one thing, but just water... not.

How does rancidity affect the food?

Fats such as butter and oils become rancid as they oxidize or "go bad" over time. Rancid oils or foods have a nasty, pugnant, acrid taste that lingers in your mouth.

Rules and regulations in food laboratory?

What are the current guidelines?

most people should be eating:

· plenty of fruit and veg

· plenty of starchy foods such as rice, bread, pasta (try to choose wholegrain varieties when you can) and potatoes

· some protein-rich foods such as meat, fish, eggs and pulses

· some milk and dairy foods

· just a small amount of foods high in fat, salt and sugar

It's also important to eat a variety of foods to make sure we get all the nutrients our bodies need.

Food type

How does it help?

Where do we get it?

Carbohydrates

Provides quick energy. 60% of our diet should comprise 'carbs'.

Pasta, cereals and potatoes

Fats

NB Unsaturated fats are healthy. Too much saturated fat from animal products can lead to heart disease.

Provides slow energy. 25% of our diet should be fat.

Oils, dairy products, nuts and fish

Protein

Builds and repairs muscle. We only need 15% of our diet to be protein.

Meat, pulses and fish

Vitamins

e.g. A - for vision, B - for energy production and stress reduction, C - to keep skin healthy, D - to help bones and teeth

Helps the body work. Helps concentration.

Fresh fruit and vegetables

Minerals

E.g. Calcium - to strengthen bones, Iodine - for energy production, Iron - prevents fatigue

Helps release energy from food. Helps decision making

Fruit, vegetables and fish

Fibre

Can't be digested. Fills you up and keeps you 'regular'

Fresh fruit, vegetables and wholegrain cereals

Water

Maintains fluid levels

The tap! It's all you need most of the time.

What happens when you add honey to milk?

The milk sweetens and will taste honey-ish

Where is the most heat in hot peppers?

Many people believe that the seeds make a pepper hot, but actually they contain little to no capsaicin (the compound that makes the chile "hot"). The poor seeds are getting a bum rap. It is guilt by association...the seeds are attached inside a chile to the membrane that is the hottest part of a chile and that is how they get the capsaicin-containing oils from that membrane on them which then seems to be the source. The membranes that hold the seeds inside the chiles are the hottest parts with the most capsaicin.

Capsaicin binds to receptors in the mouth that send signals to the brain that tell it that the tissue is "burning", however, it is just trickery and a sensation of the burn, there is not any actual tissue damage from capsaicin in capsicum (peppers/chiles).

You will note that the stem end, where much of the capsaicin-containing membrane is concentrated and attached to the fruit, is much hotter than the tip of any chile for this reason. So, if you want to judge how hot a certain pepper is, take the sample from the middle of the fruit.

What goes best on pancakes?

There is a variety of different condiments and items to put on pancakes. You can experiment with pancakes yourself using things like fruit, candy, syrup, chocolate and so much more. It all depends on your own unique taste.

What happens when you mix 7up vinegar and oil?

Droplets of oil in vinegary 7up=) And lots of foam, if you don't degas the beverage before mixing.

How does the use of acid and alkali help in preserving food?

Acid and alkali help in preserving food by surrounding the food completely in a medium that prevents contamination by microorganisms, which cannot survive in acid or alkali. The solution also prevents contact between food and air.

What happen to a raw potato kept in salt water?

If it was placed in a salty solution the potato strip would shrink because the outer solution has a high salt concentration so the water in the potato strip would get out through osmosis and would try to balance the solution

How much does an average cashew weigh?

I have counted 50 cashew nuts and weighed them. They weigh 69g.

How fast can vinegar dissolve an egg shell?

Eggshells are calcium carbonate. The acetic acid in vinegar attacks the carbonate, releasing carbon dioxide gas and leaving calcium acetate, which is soluble. Other examples of this include calcium deposits from hard water, pearls, and bones.

The calcium carbonate in the eggshell has a pH of around 9, which chemically makes it a base. The acetic acid in the vinegar has a pH of around 2.4, which makes it an acid. When the two come in contact, a chemical reaction happens, and the changes happen as listed earlier.

What do you call the study of food?

study of food is called Food Science study concerned with all technical aspect of food beginning of harvesting or slaughtering and ending with cooking and consumption and usually it is distinct in the field of Nutriton.

What is the difference between BSc in food science technology and BSc in food processing technology?

Food science is the end-to-end study of food, including raw materials selection and harvesting, composition and development, production, preservation and safety, packaging and storage, through to end-user preparation, consumption and sensory analysis. Food science also includes food-involved scientific fields such as food microbiology, food chemistry and the physics of food. Although food technology is generally included as a part of food science (most related university courses are described as 'Food Science & Technology'), its distinct definition is the practical application of the food sciences to the development and production of food. The study of difference categories and compositions of food and their health consequences in the makeup of a diet is a related field known as Food Nutrition & Dietetics.

What are examples of acids used in cooking?

lemon juice is very acidic, certain fruits have lots of citric acid

Which of elements is lacking in milk?

All elements are pure substances.

Milk is a mixture of organic compounds and water and is therefore its component elements are mainly Hydrogen, Oxygen and Carbon there are also trace amounts of calcium and other elements needed by a growing baby.

This means that the majority of the elements on the periodic table are not present (lacking) in milk.

Does soaking an egg in vinegar for a day make the egg shrink or grow?

when we did this expirament in biology, the egg size stayed the same, so i would say neither, but we didn't actually measure it so if it was actually a few millimeters off size from the day before, sorry cuz we didn't notice. the eggshell, though, had the calcium taken away from it and it came off easily when we ran it under some water

uhhh actually it grows don't know why but i did it for SEVEN days

What could burnt toast be used for?

A common misconception is that burnt toast is of no use to the chef or house holder, when actually this is not the case.

Firstly

A common misconception is that burnt toast is of no use to the chef or house holder, when actually this is not the case.

Firstly in culnery terms burnt toast can be used for a variety of things such as melba toast whcih is a thin tough peice of toast that vis delicious with some coarse pate, also asthe Halloween season approaches the use of burnt toast can become a creative tool in the kitchen and can be used as a "witches plate " when serving little kids.

out of the kitchen burnt toast is aeronomically sound in that it flies through that air with sufficiant grace and skill similarto that of a bird.

What juices are high in acid?

the juices wich are high in acids are orange,lemon, limeand grapefruit.

Examples of standard components?

like jam you can make at home and so its a standard component and can be used in jame tarts for example. another example is pastry as you can make it at home and this can be used for apple pies... etc...etc you see my point :) x

hope i could help you x

What should be the acid value of coconut oil?

The acid value of coconut oil should be approximately 1.0 - 2.0%. Coconut oil can be found in most grocery stores.

What is HACCP used for?

HACCP stands for Hazard Analysis and Critical Control Points. In the food industry, the purpose of HACCP is to identify and prevent hazards that could cause foodborne illness, in other words Food Safety.

Hazard Analysis Critical Control Point (HACCP) is a preventive system of food control. It involves examining and analysing every stage of a food-related operation to identify and assess hazards; determining the 'critical control points' (CCPs) at which action is required to control the identified hazards; establishing the critical limits that must be met, and procedures to monitor, each critical control point; establishing corrective procedures when a deviation is identified by monitoring; documentation of the HACCP plan and verification procedures to establish that it is working correctly.

HACCP abbreviated for Hazard Analysis and Critical Control Points. It is a management system in which food safety is measured through the control and analysis of chemical, microbiological and physical hazards from the material production, handling to producing, distribution and consumption of the finished product. HACCP is most important in the Food production. It has the control potential hazards and the prioritizes in the food production. HACCP is controlling the major food risks like the physical contaminants, chemical contaminants and microbiological contaminants. The Industry should ensure their customers that its products are safe enough in regards of latest technology and science.

HACCP stands for Hazard Analysis and Critical Control Point. Its purpose is to eliminate the risks involved in food production by identifying the main control points where risks lie to ensure a safe product at the end of the production process.

HACCP is important because it prioritizes and controls potential hazards in food production. By controlling major food risks, such as microbiological, chemical and physical contaminants, the industry can better assure consumers that its products are as safe as good science and technology allows. By reducing foodborne hazards, public health protection is strengthened.

What type of triglycerides are solid at room temperature?

Saturated fats and trans-fats are solid at room temperature. Polyunsaturated and monounsaturated fats (oils) are liquid at room temperature.

Trans-fats are liquid fats that are treated chemically and thermally to mimic saturated fats, usually in a process called hydrogenation. This process in a nutshell (it's a bit more complicated) injects hydrogen into the oils at high temperature and high pressure producing polymers (plastics) from the hydrocarbon molecules in the oils. Most vegetable shortenings are produced this way, shortenings (solid fats) that are not natural saturated fats are trans-fats.