Which food type contains is CHARACTERIZED by edible seeds and pods of certain flowering plants

Form of arabinose that is found in mixed sugars

which pair ONLY contains monosaccharides found in D-form in a pyranose structure

Glucose comes in many forms, which derivative is mainly found in plants

What aspect of D-mannose, L-rhamnose and galactose is shared

What characteristic(s) of fructose make it a good candidate for syrups (e.g. high fructose corn syrups)

Main sugar found in honey (natural invert sugar)

has the lowest relative sweetness of common sugars

disaccharide composed of 2 glucose monomers

Raffinose, stachyose and verbascose differ from each other by

the cavity of schardinger dextrins is _____

A junior chemist suggests using sorbitol as the SOLE SUGAR in syrups, his senior tells them its a bad idea because

_____ is metabolically similar to sorbitol
_____ is extracted from hemicellulose

most of the Phosphorous in passion fruit seeds are found as

Where is starch unlikely to be found

What is not a common use of polysaccharides in food processing?

waxy starches are likely to have ____ % amylose

what plant does NOT contain Inulin

Cellulose is found _______ while hemicellulose is found ________

Gums are ____ when wet and ____ when dry

Select any two gums that apply to the statements below:

• - the only low viscosity gum

• - the gum that is NOT resistant to microbial digestion

Gums that are non ionic and heat stable can become colloidal dispersions when hydrated in cold water

Gums that are neutral or slightly acidic salts of polysugars, with highly branched structures

Gums that are heat stable, linked to lipid or protein subunits, with highly ordered but linear repeating structures with no branches

Pectic units consist of anhydropolygalacturonic acid that are _____________

Pectin linkages

colloidal polygalacturonic acids containing more than a negligible proportion of methyl ester groups

Polysaccharide that is only soluble in extreme conditions

Polysaccharide that is once dried, can be readily hydrated to form low viscosity solutions

Polysaccharide that has a long backbone with many short side chains that allow it to form stable solutions even at high concentrations

Polysaccharide that produces viscous and pH dependent solutions

What is effective volume

Polysaccharide conformation that is zig zag from beta 1-4 linkages of glucose molecules

Polysaccharide conformation with beta 1-3 linked glucose molecules or amylose (1-4 alpha D glucose units)

Polysaccharide conformation with beta 1-2 linked glucose molecules

Polysaccharide conformation with beta 1-6 linked glucose molecules, placing the monomers further apart

What polysaccharides will make the MOST viscous solution

What does this describe:

in all parts of plant, but only a small amount enters the diet. hydrolyzed in hot acid solution or by enzymes, important for diet in terms of physiological potency

O-glycosides that forms red, purple and blue pigments in fruits, usually with a bitter taste

glucosinolates that are found in mustard seed or horseradish that can be broken down into toxicants or chemopreventative agents

_ is oxidized for energy or converted to fats for storage _ is converted to urea for excretion or made into non essential amino acids

Free amino acids constitute for about ___ of soluble N compounds in fruit

forms of glutathione

Which osborne classification does this describe:

soluble in 70% ethanol

Which osborne classification does this describe:

fractions that contain enzymes

Which osborne classification does this describe:

soluble in 70% ethanol

85% of proteins in a cereal endosperm are ___ which contributes to why they are ____ in aqueous media

Glutenin has a backbone of ___ units with short chains of ___ subunits, polymerized with disulfide bridges

Gluten is composed of ______ which are S rich or S poor, and _____, which are HMW and LMW

Legumes function as storage proteins that are also mobilized as germination progresses, the proteins have gelling capacity and are used in food production for foams and emulsions, thus most legumes mainly contain

Minor fractions of soybean proteins once centrifuged

fractions of soybean proteins that are linked by disulfide bonds

Which conditions have maximum α-amylase activity

What reaction correctly describes the activity of phytase that occurs in dough making

Phospholipase activity that is most active in germinating cereal

Most likely substrates for lipoxygenases

Polyphenol Oxidase contains a _____ system

Hydroperoxide cleavage that occurs in the opposite direction

Lugume enzyme that affects aroma

Enzymes found in garlic and onion

What is NOT a hydrolase

What do enzymes in the fruit revolve around

What are the two types of oils in plants

Acylglycerol mainly composed of palmitic. oleic and stearic acids with small amounts of short (4C - 12C) branched and odd numbered fatty acids

Acylglycerol mainly composed of lauric acids, usually found in palm species

Acylglycerol with narrow melting point range, many saturated fatty acids (not trisaturated tho) used in confectionaries

Acylglycerol that is of vegetable origin with less than 20% saturated fatty acids

Acylglycerol that has substantial linoleic acids, like soybean oil, wheat germ oil, etc that may develop a flavor reversion

Most abundant type of fatty acids in animal fats

Has fatty acid content less than 1.5%

Which oil extraction process is more complex

Microbial deterioration of lauric and myristic acid releases C-8 to C-12 fatty acids which degrade into

Melting point of palmitic and stearic acids

Which plant oil is known to be nearly crystal clear

T/F for the following statements:

all legumes are good sources of oil

fruits and vegetables have low oil content

β refers to which position for glycerol

Select the FALSE statements

If a plant has erucic acid, order the following positions from most likely to least likely

pick the conformation of a mixed triglyceride where the middle chain is shorter or longer by at least 4C atoms

What demonstrates the polymorphic nature of fats and oils

crystal arrangement that allows most compact packing

Which statement is false regarding vitamins

what feature of vitamin A makes it sensitive to oxygen and light

What describes processes that result in loss of vitamins into inactive products

derived from beta carotene with deficiency causing twilight vision

may cause hypercalcemia or hypertension in excess consumption

no known deficiency in humans

involved with NAD/NADP carriers whose deficiency leads to pellagra

coenzyme to decarboxylases that help in assimilation and metabolism of carbohydrates and deficiency leads to beri-beri, neuritis and polyneuritis

closely linked with protein metabolism and can lead to dry mucus membrane and conjunctivitis in deficiency

allows synthesis of purine and pyrimidine bases and also involved in metabolism of tyrosine, ascorbic acid, folic acid and B12

deficiency blocks DNA synthesis, role in carbohydrate metabolism in CNS

active in saturation or desaturation of fatty acids, has role in synthesis of nicotinic acid, coenzyme of many transaminases and causes nervous problems in deficiency

role in collagen synthesis, can reduce iron for absorption and deficiency leads to scurvy and gum bleeding