Fruits and Vegetables Flashcards
(87 cards)
What is the purpose of 2-chloroethylphosphoric acid, also called ethephon?
It forms ethylene when metabolized by the plant which causes ripening prior to harvest
Why do you add aluminum sulfate to pickles?
Increase firmness
Why are fruits or vegetables often heated prior to maceration for juice production?
To inactivate enzymes which may cause undesirable quality changes.
Who is the president associated with peanuts?
Jimmy Carter
Who discovered beet sugar? Look up on google
Olivier de Serres, French botanist, 1590
Which of the following is a non-climacteric fruit? A. Avocado, B. Grapefruit, C. Banana, D. Mango
B. Grapefruit
Which of the following avacado variety makes up 95% of the California crop: A. Bacon, B. Fuerte, C. Hass, D. Zutano
C. Hass
Which mineral is found in high quantities in bananas?
Potassium
Which country produces the most potatoes and watermelons?
China
Which amino acid starts the biosynthesis of ethylene in fruits and vegetables?
Methionine
What year was microwave popcorn first available?
1984
What vegetables are known as earth apples?
Potatoes
What type of food spoilage does Erwinia carotovora cause in vegetables?
Soft rot ( of vegetables)
What type of enzymes are commonly added to fruit prior to juice production?
Pectic enzymes (polygalacturonase, pectinesterase, cellulases)
What problem may arise when potato tubers are taken from cold storage and immediately processed?
Cold sweetening that causes maillard browning
What part of the plant is the potato tuber derived?
Stem
What method is used to dry most fruit in California?
Sun drying
What is the respiration burst associated with the fruit ripening process?
Climacteric rise
What is the purpose of the “hot break process” in tomato processing?
Inactivate PME - pectin methyl esterase
What is the purpose of adding sodium aluminum sulfate or potassium aluminum sulfate to pickles?
Improve crispness and firmness
What is the original name of the kiwi fruit?
Chinese gooseberry
What is the name of the hottest pepper (sometimes called the “Ghost Pepper”) in the world?
Bhut Jolokia
What is the name for the type of starch obtained from the cassava plant?
Tapioca
What is the major alkaloid in the Irish potato?
Solanine