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Pchem Lab > Activity 7 - Acidity Comparison Of Fruit Juice > Flashcards

Activity 7 - Acidity Comparison Of Fruit Juice Flashcards

1
Q

What is the molecular formula of ascorbic acid?

A

C6H8O6

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2
Q

Chemical name of ascorbic acid

A

1,2-dihydroxyethyl-3,4-dihydroxyfuran-2

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3
Q

Uses of ascorbic acid

A
  1. Antioxidant
  2. Essential in the formation of intercellular collagen
  3. Essential for the healing of bone fractures
  4. Effective reducing agent
  5. It facilitates iron absorption
  6. Treats and prevents scorbutus
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4
Q

Top 10 vitamin C content

A
  1. Peppers (Yellow bell pepper)
  2. Guava
  3. Dark green leafy vegetable
  4. Kiwi
  5. Broccoli
  6. Berries
  7. Citrus fruits
  8. Tomatoes
  9. Peas
  10. Papaya
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5
Q

Ascorbic acid RDA for adults

A

10-20 mg

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6
Q

Ascorbic acid RDA for lactating and pregnant women

A

60 mg

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7
Q

Ascorbic acid RDA for children

A

35 mg

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8
Q

Color of ascorbic acid

A

White, crystalline compound

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9
Q

Taste of ascorbic acid

A

Sour

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10
Q

Melting point of ascorbic acid

A

192*C

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11
Q

Boiling point of ascorbic acid

A

553*C

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12
Q

Density of ascorbic acid

A

1.65 g/cm3

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13
Q

Solubility of ascorbic acid in water

A

Soluble

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14
Q

Ascorbic acid is readily lost during cooking.

A

True

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15
Q

Dietary ascorbic acid is readily absorbed as:

A
  1. Ascorbate

2. Dehydroascorbate

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Pchem Lab (4 decks)

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