Fruit and vegetable products

In the middle ages, what did woman eat in order to dilate their pupils (a sign of beauty)? a) Salt b) Leaves of nightshade plants c) Bark of the Hemlock tree d) Tea

Leaves of nightshade plants

Which of the following is NOT considered a "super-fruit"? a) Tamarind b) Acai c) Noni d) Mango

Mango

Vanilla beans are extracted from which of the following types of trees? A. Orchids B. Palm trees C. Shrub D. Wines

Orchids

Which contains more vitamin C; strawberries, tangerines, parsley, sage, rosemary or thyme?

Parsley

What percentage of apples is air?

0.25

What percent of juice is needed to label as 100% juice?

1

How many coffee beans does each coffee cherry normally contain?

2

What color is apple flesh in basic and acidic conditions?

-Basic - yellow and brown -Acidic - white and cream

What's the difference between the intracellular and interstitial spaces?

-Intracellular spaces are within cells. -Interstitial spacers are between cells

Name the major group of natural pigment molecules found in animals?

-Myoglobin (water-soluble)

What are protoplasts?

-Plant cells whose outer wall has been removed exposing the thin cellular cytoplasmic membrane -Protoplast from ancient Greek means "first-formed," initially referred to the first human, or more generally, to the first organized body of a species

What is the difference between protoplasts and spheroplasts?

-Protoplasts have their cell wall entirely removed and are derived from gram positive cells. -Spheroplasts have their cell wall only partially removed and are gram negative.

What receptor is used by hot peppers and what does it stimulate?

-Transient receptor potential cation channel subfamily V member 1 (TrpV1). Also known as vanilloid receptor 1 or the capsaicin receptor -Causes heat sensation in neurons.

Name a milk protein that is expressed in plants.

-β-casein -lactoferrin -lysozyme -ɑ-lactalbumin

What levels of ethylene are generally needed to initiate ripening in fruits?

0.1 to 1.0 ppm (some fruits need as little as 0.01 ppm).

What is the water activity of dried fruits?

0.6-0.70

Which storage gas inhibits ethylene action in fruits?

1-MCP.

How much fruit juice is found in fruit punch?

1% fruit juice, can be as low as 0%. If it contains any, it needs to be labeled. Fruit punch is not regulated as a standardized product by the FDA.

How much fruit juice is found in a juice cocktail?

10-30%

Approximately how many varieties of tomatoes are grown?

10,000