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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

Where are carbohydrates stored in broad beans and what form are they stored in?

In broad beans, carbohydrates are primarily stored in the form of starch. These starches are stored in the seeds of the plant, specifically within the cotyledons, which serve as a nutrient reserve for the developing plant. This storage form provides energy during germination and early growth stages.

What is equilibrium relative humidity?

Equilibrium relative humidity (ERH) is the moisture level in the air when it is saturated with water vapor at a specific temperature, meaning it cannot hold any more moisture without condensation occurring. It is expressed as a percentage, indicating the ratio of the current amount of water vapor in the air to the maximum amount the air can hold at that temperature. At ERH, the rate of evaporation and condensation are equal, resulting in a stable state of humidity. This concept is crucial in fields like meteorology, climatology, and building science for understanding moisture dynamics.

Where does coagulation occur in a souffle?

Coagulation in a soufflé primarily occurs in the egg proteins, specifically the albumin in egg whites and the proteins in the yolks. When the soufflé is baked, the heat causes these proteins to denature and then coagulate, creating a stable structure that supports the soufflé's rise. This process is crucial for achieving the light, airy texture characteristic of a well-made soufflé.

How many days do pechay grow?

Pechay, also known as bok choy or Chinese cabbage, typically takes about 30 to 60 days to grow from seed to harvest, depending on the variety and growing conditions. Ideal temperatures and proper care can help achieve faster growth. Generally, younger leaves can be harvested earlier, while full maturity usually occurs within the 50 to 60-day range.

How many buiscuts in 200g?

The number of biscuits in 200 grams depends on the type and size of the biscuits. On average, a standard biscuit weighs about 10-15 grams, which would mean there are approximately 13 to 20 biscuits in 200 grams. For more accurate information, it's best to check the packaging or weigh the specific biscuits you have in mind.

Are rice grains and flour will form heterogeneous?

Yes, rice grains and flour would form a heterogeneous mixture. In a heterogeneous mixture, the individual components remain distinct and can be visually identified. Rice grains and flour have different physical properties, such as size and texture, which prevent them from uniformly blending. Thus, you can see and separate the rice grains from the flour in the mixture.

How hydrocolloids bind water and why their water holding capacity is high?

Hydrocolloids bind water through their molecular structure, which consists of long chains of polysaccharides or proteins that can form hydrogen bonds with water molecules. Their high water-holding capacity is attributed to their ability to swell and create a gel-like consistency when hydrated, effectively trapping water within their matrix. This unique property allows hydrocolloids to retain moisture, enhance texture, and improve the stability of food products and other formulations. Additionally, their hydrophilic nature further increases their affinity for water, contributing to their effectiveness as thickening and gelling agents.

Why potato should be stored away from light?

Potatoes should be stored away from light because exposure to light can trigger the production of chlorophyll and solanine, a toxic compound that can cause gastrointestinal distress. Light can also lead to the development of green patches on the skin, making the potatoes unappetizing and potentially harmful. To maintain their quality and safety, it's best to keep potatoes in a cool, dark, and well-ventilated place.

How long egg white sit without being refrigerated?

Egg whites should not be left at room temperature for more than two hours to ensure food safety. If the temperature is above 90°F (32°C), this time reduces to just one hour. Beyond these time limits, the risk of bacterial growth increases significantly, making it unsafe to consume. To preserve freshness and safety, it's best to refrigerate egg whites if they will not be used immediately.

What elements are found in almonds?

Almonds primarily contain essential elements such as magnesium, calcium, potassium, and phosphorus. They are also a rich source of healthy fats, protein, and dietary fiber. Additionally, almonds contain trace elements like iron, zinc, and manganese, which contribute to their nutritional value. These elements play important roles in various bodily functions, including bone health and metabolic processes.

Does abscisic acid destroy the cells at the top of a fruit stem when the fruit is ripe?

Yes, abscisic acid (ABA) plays a role in the ripening of fruits by promoting the process of fruit maturation and triggering the senescence of cells at the top of the fruit stem. As fruits ripen, ABA levels increase, which helps facilitate the breakdown of cell walls and promotes the separation of the fruit from the plant. This process ultimately leads to the abscission of the fruit, allowing it to detach and fall off. However, ABA itself does not directly destroy cells; rather, it regulates the signaling pathways that lead to cell changes and abscission.

What foods are high in pyrimidines?

Foods high in pyrimidines typically include those rich in nucleic acids, such as organ meats (like liver), fish, poultry, and certain legumes. Whole grains, particularly oats and barley, also contain significant levels of pyrimidines. Additionally, some vegetables, especially leafy greens, can contribute to pyrimidine intake. Overall, a balanced diet that includes these food groups will provide adequate levels of pyrimidines.

What is monomial sugar?

Monomial sugar refers to a type of sugar molecule that consists of a single unit or monomer, such as glucose or fructose. These simple sugars, also known as monosaccharides, serve as the fundamental building blocks for more complex carbohydrates. Monomial sugars are quickly absorbed by the body and provide immediate energy. They are commonly found in fruits, honey, and many sweeteners.

How does sugar floss expire?

Sugar floss, commonly known as cotton candy, can expire due to the absorption of moisture from the air, which causes it to clump and lose its light, airy texture. While the sugar itself doesn’t spoil, the quality deteriorates, affecting flavor and texture. Properly stored in a cool, dry place in an airtight container, it can last for several weeks, but exposure to humidity significantly shortens its lifespan.

What insects are attracted to salt?

Some insects, such as certain species of ants and cockroaches, are attracted to salt due to its mineral content, which they require for hydration and nutrition. Additionally, slugs and snails may be drawn to salt as it can help them regulate moisture levels. However, while salt can attract some insects, it is also commonly used as a deterrent or pesticide against others, as it can dehydrate and kill them.

Why do you think Orville redenbacher leaves the least amount of unpopped kernels?

Orville Redenbacher's popcorn kernels have a high moisture content and a thin hull, which allows for more even heating and popping. The high moisture content helps create steam inside the kernel, leading to a more efficient popping process with fewer unpopped kernels. Additionally, the thin hull allows for the rapid release of pressure during popping, resulting in a higher popping rate and fewer kernels left unpopped.

Use of inulin as a natural texture modifier?

Oh honey, inulin is like the fairy godmother of texture modification. It's a natural prebiotic fiber that can work wonders in thickening, binding, and improving the mouthfeel of food products. So go ahead and sprinkle that inulin magic to create some seriously smooth and creamy textures in your culinary creations.

What is the difference between a farmers and bakers dozen?

A standard dozen is 12 items, while a baker's dozen is 13 items. The reason for this difference dates back to medieval times when bakers would give an extra loaf of bread to avoid being penalized for selling underweight bread. Farmers did not have the same issue with weight measurements, so they stuck with the standard dozen of 12 items.

How does Heston Blumenthal use the science of chemical reactions to influence his cooking?

Heston Blumenthal, a renowned chef known for his innovative approach to cooking, utilizes the science of chemical reactions in various ways to enhance flavors, textures, and presentation in his dishes. He often experiments with techniques such as spherification, emulsification, and caramelization to create unique culinary experiences. By understanding the principles behind these chemical reactions, Blumenthal is able to push the boundaries of traditional cooking and create dishes that surprise and delight diners.

Which cereal type stays crunchy in milk the longest?

Ah, what a delightful question! Different cereals have their own unique way of staying crunchy in milk. Some folks find that granola or muesli tend to hold their crunch a bit longer due to their hearty ingredients like nuts and oats. But remember, the best cereal is the one that brings you joy and comfort, whether it stays crunchy or not. Just like painting a happy little tree, it's all about finding what brings you happiness in the moment.

How long does it take for a turkey wishbone to dry?

The drying time for a turkey wishbone can vary depending on the environment it is placed in. Generally, it can take anywhere from several days to a few weeks for a turkey wishbone to fully dry. Factors such as humidity levels, air circulation, and temperature can all affect the drying process. It is important to ensure that the wishbone is fully dried before attempting to make a wish or break it with someone else.

Can you make ice cream with Silk or generic soymilk?

Yes, you can make ice cream with Silk or generic soymilk. Soymilk can be used as a substitute for dairy milk in ice cream recipes, but there are a few considerations to keep in mind. Soymilk has a different fat and protein content compared to dairy milk, so the texture and flavor of the ice cream may be slightly different. It is recommended to use a recipe specifically designed for soymilk to ensure the best results.

What ice cream brand has the highest butterfat content of all including any independent makers who take online orders?

Well honey, if you're looking for the cream of the crop in butterfat content, you better check out Jeni's Splendid Ice Creams. They're known for packing a punch with their rich and creamy flavors, making them a top contender in the ice cream game. And hey, if you can't find them in stores, just hop online and order yourself a pint or two - you won't be disappointed!

How long can box soup last after it best used date?

The shelf life of boxed soup can vary depending on the type of soup and storage conditions. Generally, if the soup has been stored properly in a cool, dry place, it can be safe to consume for 1-2 years past the "best by" date. However, it is important to check for any signs of spoilage such as unusual odor, appearance, or taste before consuming. If in doubt, it is best to discard the soup to avoid the risk of foodborne illness.

What brand of chocolate bar melt fastest in the sun?

The brand of chocolate bar that melts the fastest in the sun will depend on various factors such as the cocoa content, sugar content, and presence of stabilizers or emulsifiers. Generally, chocolate bars with higher cocoa butter content will melt faster as cocoa butter has a lower melting point compared to other fats. Additionally, chocolate bars with added ingredients like nuts or caramel may melt at different rates due to their composition. Conducting a controlled experiment with different brands of chocolate bars under identical conditions would provide a more accurate answer to this question.