technolgical developments Flashcards
name 4 technological development that you can find in a home kitchen
A fridge, a freezer, microwave, halogen oven, food processor
what are the factors that affect the food we eat?
 population increase, migration and population grow from higher birth rate
Transport and travel improved (refrigerated lorries)
Preservation methods -freezing pickling packaging improvements drying salting freeze dry canning drying vacuum packing
Media, TV, Internet, radio, cooking programs
Environmental factors -pollution, contamination, lack of resources, animal cruelty, crop production crops versus meat production, climate change, sustainability, organic produce
economic understanding and trade pollution feeding versus making money
Scientific advancements -microwaves, map packaging, freezing, fast food, HPP, multimedia
Consumer demand -leisure, fast food, fair trade, seasonality, low co2
name four different preserve methods and less positive and negative points
Drying
food last longer, makes food lighter, does not need refrigeration, cheaper to transfer, tense retain flavour and colour, rehydrated quickly
Not sustainable for all food, expensive due to specialist machinery required, the shape is altered
Freezing
Last longer, many people can freeze at home, nutrients retain, many foods cannot be cooked from frozen, can be starred for several months
Not sustainable for all food, can only be for several months, can change texture after defrosting, made foods have a lot of added salt to the freeze, cost involved
Canning
Food last longer, well protected, easy to transfer, easy to store, start room temperature, reheats quickly as at room temperature, new cans easy to open, recyclable
Not suitable for all food, expensive due to special machinery required, main foods have a lot of added salt/sugar to help them preserve, can be less nutritious afterwards, vitamin C destroyed, heavy
Pickling
Food last longer, new flavours, crunchy texture, pickling liquid can relieve muscle cramps
Not suitable for our food, liquids can people with stomach problems, insult, expensive due to special required
What is modified atmosphere packaging?
is a way of extended the shelflife of fresh food products the techno case substitutes the inside of the packaging with a protected gas mix this gas in the packaging helps ensure that the product will stay fresher for longer
what is high-pressure processing?
Is a cold pasteurisation technique by which products already sealed in a package of subjected to high-level of pressure transmitted by water HPP is natural, environmentally friendly process that respects ingredients and helped maintain the fresh food characteristics like it’s natural flavour, colours and texture
What are genetically modified organisms?
Are organisms in which genetic material has been altered in a way that does not occur naturally by mating and our natural rec combination the technology is often called modern by technology or genetic engineering
What are the three main concerns for genetically modified foods?
genetic engineering raises many moral issues, particularly involving religion which questions with Man has the right to manipulate the laws and cause of nature some religions object to the intervention of mankind otherwise natural process of evolution
Consumers that the results of genetic modification could harm the environment impose danger to humans
Nature is a fragile and complex system which links many species in the food chain some scientist believe the introducing genetically modified genes may have an irreversible effect with consequences unknown example if genes escape we could end up with fast growing insects and super weeds
List the key nutrients added to fortified breakfast cereals
B1 B2 B3 B6 B12, folic acid, vitamin D, vitamin C, iron, calcium
Two diseases that eating fortified seas may help to reduce could be any of the following
Dermatitis, cardiovascular disease, scurvy, hypo class, osteoporosis
What is molecular gastrotomy?
Molecule gastrotomy blends, physics and chemistry to transfer the taste and tax of food. It is scientific discipline that studies the physical and chemical process the cure while cooking and example could be caviar made of olive oil, cocktails in ice fires and disappearing transparent ravioli.
Compare and contrast trade products with products that have low food mass what are the positives and the negative aspects of buying either one?
fair trade
Advantages -can support farmers who need fair pay for fair Work, food not in season here can be brought to our shops, money for school/groups
Disadvantages -high carbon foot, cost of transport, cash crop instead of feeding local families
low food miles
Advantage -low carbon footprint, seasonality promotes food at its best, traceability, small often family run
Disadvantages -seasonality: some food not available at all time
Some food cannot be produced in the UK, small often family run, can be unique and therefore not at all customers tastes
Why have convenient food become popular over the past few years?
Quick to heat up, little skill required, a minimum equipment required, pre-portion, little food way, easy for young and old alike, easily stored, little cleaning up Awood, some having eating/serving container, good variety
how has the change in working/leisure time change the eating habits of families?
Fear families eating together, different food times, extended families, few families passing down skills, parents working so no one to make food, a lack of skills, more convenience food, less time spent preparing food, more eating out, more takeaways
List the key reasons for technology developments within the food industry
Demand, cost, profit, knowledge, health, scientific improvement, skills, transportation improvements
Identify factors which of affected the development of food technology
Population increase, transport and travel improved preservation, media, environmental factors, economic understanding, scientific advancements, consumer demand, changing work times, wider understanding of nutrition, more variety of food
