7 Questions
Which of the following plant-based acids is commonly found in citrus fruits?
Citric acid
What is the primary function of citric acid in food products?
To act as a natural preservative and flavoring agent
Which of the following fruits is NOT a significant source of malic acid?
Oranges
Which plant-based acid is essential for human health and has antioxidant properties?
Ascorbic acid (Vitamin C)
What is the primary use of tartaric acid in the food industry?
To enhance flavor and stability in wine production
Which plant-based acid has toxic properties in high concentrations?
Oxalic acid
Which of the following plant-based acids is found in fermented foods like yogurt and sauerkraut?
Lactic acid
Study Notes
Plant-based Acids
Citric Acid
- Found in citrus fruits such as lemons, oranges, and grapefruits
- Also present in smaller amounts in other fruits like strawberries and tomatoes
- Used as a natural preservative and flavoring agent in food and beverages
Malic Acid
- Found in apples, grapes, and pears
- Contributes to the sour taste of fruits
- Used in food products like jams, jellies, and soft drinks
Tartaric Acid
- Found in grapes, particularly in the skin and seeds
- Used in wine production to enhance flavor and stability
- Also used in food products like candies, beverages, and desserts
Oxalic Acid
- Found in rhubarb, spinach, and beet greens
- Can be toxic in high concentrations, but safe in small amounts
- Used in some food products and as a cleaning agent
Ascorbic Acid (Vitamin C)
- Found in citrus fruits, strawberries, and kiwis
- Essential nutrient for human health, with antioxidant properties
- Used in food products, supplements, and pharmaceuticals
Other Plant-based Acids
- Fumaric acid: found in fermented fruits and vegetables
- Lactic acid: found in fermented foods like yogurt and sauerkraut
- Succinic acid: found in fermented foods like sauerkraut and kimchi
Plant-based Acids
Citric Acid
- Occurs naturally in citrus fruits like lemons, oranges, and grapefruits
- Also present in smaller amounts in fruits like strawberries and tomatoes
- Serves as a natural preservative and flavoring agent in food and beverages
Malic Acid
- Found in apples, grapes, and pears
- Contributes to the sour taste of fruits
- Used in food products like jams, jellies, and soft drinks
Tartaric Acid
- Found in grapes, particularly in the skin and seeds
- Enhances flavor and stability in wine production
- Used in food products like candies, beverages, and desserts
Oxalic Acid
- Found in rhubarb, spinach, and beet greens
- Toxic in high concentrations, but safe in small amounts
- Used in food products and as a cleaning agent
Ascorbic Acid (Vitamin C)
- Found in citrus fruits, strawberries, and kiwis
- Essential nutrient for human health with antioxidant properties
- Used in food products, supplements, and pharmaceuticals
Other Plant-based Acids
Fumaric Acid
- Found in fermented fruits and vegetables
- Used in food products and as a preservative
Lactic Acid
- Found in fermented foods like yogurt and sauerkraut
- Used in food products, pharmaceuticals, and as a preservative
Succinic Acid
- Found in fermented foods like sauerkraut and kimchi
- Used in food products, pharmaceuticals, and as a preservative
Learn about the sources and uses of citric acid, malic acid, and tartaric acid, found in various fruits and used in food products.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
