IN YOUR TABLE GROUPS, MAKE A LIST OF CHEMICALS YOU THINK ARE IN A BITE OF

SALSAWHAT CHEMICAL REACTIONS MAY OCCUR?

The Chemistry in Salsa

What gives color and is the health benefit of the super food tomatoes?

Beta Carotene

Fructose

Lycopene

Limonene

Correct Answer

LycopeneLycopene's eleven conjugated double bonds give it its deep red color and are responsible for its antioxidant activity. Although lycopene is chemically a carotene, it has no vitamin A activity.

What chemical is found in onions causing you to cry?

Acetic Acid

Hydrochloric Acid

Nitric Acid

Sulfuric Acid

Sulfuric Acid

Sulfuric Acid

When you cut an onion, you break cells, releasing their contents. Amino acid sulfoxides form sulfuric acids. This gas reacts with the water in your tears to form sulfuric acid. The sulfuric acid burns, stimulating your eyes to release more tears to wash the irritant away.

What gives leafy greens like cilantro their color?

Carotene

Chlorophyll

Mitochondria

Xanthophylls

Chlorophyll

Chlorophyll is a green pigment found in most plants, algae, and cyanobacteria. Its name is derived from the Greek χλωρός (chloros "green") and φύλλον (phyllon "leaf").

Hot peppers get their heat from?

Acetic acid

Capsaicin

Lycopene

Sulfuric Acid

Capsaicin

In 1878, the Hungarian doctor Endre Hőgyes[6] (calling it capsicol) isolated it and proved that it not only caused the burning feeling when in contact with mucous membranes but also increased secretion of gastric juices.

How do you measure heat in peppers?

The Scoville scale is the measurement of the pungency (spicy heat) of chili peppers.

The number of Scoville heat units (SHU)[1] indicates the amount of capsaicin present. Capsaicin is a chemical compound that stimulates chemoreceptor nerve endings in the skin, especially the mucous membranes.

Scoville Heat Units

The scale is named after its creator, American pharmacist Wilbur Scoville, 1912

Scoville heat units Examples 16,000,000,000 Resiniferatoxin 5,300,000,000 Tinyatoxin 16,000,000 Capsaicin 15,000,000 Dihydrocapsaicin 9,200,000 Nonivamide 9,100,000 Nordihydrocapsaicin 8,600,000 Homocapsaicin, homodihydrocapsaicin 160,000 Shogaol 100,000 Piperine 60,000 Gingerol 16,000 Capsiate

Lemons verses Limes

AcidityUse pH test strips to find out the acidity level of

lemons compared to limes. In you kitchens, test the juice of several lemons and limes and take the average of your samples.

Make a prediction before you test for your hypothesis. Which fruit do you think will have the greatest

acidity? When using the test strips, remember that the lower the number, the higher the acidity.

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