Fruits & Veggies

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Cut onions release amino acid sulfoxides, which the eyes perceive as an irritant. The eyes react by flushing the irritant out using reflex tears, a type of tear designed for this purpose.

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  • What is rocket lettuce?

    Q: What is rocket lettuce?

    A: Rocket lettuce is a leafy, green and edible plant that also has other names, such as roquette, salad rocket, rugula and arugula. It is an annual plant that originated in the Mediterranean region. Its scientific name is Eruca sativa.
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  • When are papayas in season?

    Q: When are papayas in season?

    A: Papaya seeds can be planted at any time of year, but local conditions determine when it is best to harvest. Once planted, papaya seeds take six to nine months to mature in the hotter regions and nine to eleven months to mature in cooler climates, according to Purdue University.
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  • What are the differences between sweet potatoes and yams?

    Q: What are the differences between sweet potatoes and yams?

    A: Sweet potatoes, which are root vegetables, and yams, which are tubers, are two types of herbaceous perennial vines that come from two different plant families native to different locations. Sweet potatoes and yams differ in size, taste, texture and nutritional content.
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  • Is it okay to freeze plums?

    Q: Is it okay to freeze plums?

    A: It is okay to freeze plums. They should be washed, peeled, cut in half and pitted first, and slices or pieces can then be placed onto a baking pan and frozen. Once frozen, the plums should be transferred into freezer containers until ready to use.
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  • Where is watermelon grown in the world?

    Q: Where is watermelon grown in the world?

    A: Watermelons grow in warm climates, but they can also be nurtured in cooler temperatures, according to VegetableGardener.com. The watermelon's origin remains unclear, but Southern Italy and Africa are suspected to be the fruit's original homes. Watermelons can grow on continents around the world. WhichCountry.com notes that watermelon is mostly consumed in China, and more than 1,200 types of watermelon are harvested in 96 countries.
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  • Why are raspberries hairy?

    Q: Why are raspberries hairy?

    A: The tiny hairs on raspberries are called pistils, and it is these pistils that help turn the berries into an edible fruit. Raspberries are actually clusters of aggregate fruit, meaning one fruit grows onto a single pistil. Each berry is the result of pollinated white flowers that contain numerous hair-like pistils. After the berries mature, the visible hairs are what remain of the original pistils.
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  • When are crab apples in season?

    Q: When are crab apples in season?

    A: Crabapple trees usually bear fruit during the summer and fall, but they may still bear fruit well into the winter. They blossom during the spring, producing masses of white, pink or red flowers. Because of their attractive blossoms, they are often grown as ornamental landscape plants.
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  • How do potatoes reproduce?

    Q: How do potatoes reproduce?

    A: Potatoes reproduce from the eyes that grow out of existing potatoes. A portion of the potato containing the eye is cut off and planted, then the eye produces a new plant and multiple potatoes.
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  • What are the health benefits of beets?

    Q: What are the health benefits of beets?

    A: Beets have many health benefits; they are high in vitamins and minerals like the B vitamin folate, manganese, potassium and copper. They're also high in dietary fiber. Beets contain healthy amounts of magnesium, phosphorous, vitamin C, iron and vitamin B6.
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  • Where did pumpkins come from originally?

    Q: Where did pumpkins come from originally?

    A: Pumpkins are native to the Western Hemisphere, where they grew in a region stretching from the southwest United States to Peru. Cultivated for over 5,500 years, these gourds are one of the New World's longest-known crops.
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  • What fruit is most eaten in the world?

    Q: What fruit is most eaten in the world?

    A: As of 2012, the mango rules as the most commonly eaten fruit around the world. While Americans are most familiar with apples, oranges and bananas, throughout the world, over 2,000 different types of mangoes are consumed in countless different ways, including in juices, chutneys, pies, ice cream and dried cereals.
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  • Where are plums grown?

    Q: Where are plums grown?

    A: Plums grow in all climates except the most extreme. There are three categories of plum trees: European, Japanese and American hybrid. Each category grows best in different climates.
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  • Where do strawberries come from?

    Q: Where do strawberries come from?

    A: Strawberries are native to North America and Europe, having grown wild in both areas for centuries. Related to roses, they grow on thin stems, in clusters of leaves, fruit and flowers. The plants also produce runners, which causes the plants to spread.
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  • Does avocado contain protein?

    Q: Does avocado contain protein?

    A: Avocado contains protein in various amounts, depending on the variety of avocado considered. Data from USDA's SuperTracker program indicates that one cup of mashed or pureed avocado contains 5 grams of protein. Apart from protein, avocado also contains carbohydrates, vitamins and minerals such as potassium, calcium and phosphorous.
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  • How many types of fruits are there in the world?

    Q: How many types of fruits are there in the world?

    A: Although it is not known exactly how many types of fruits exist in the world, the answer numbers in the thousands. Agriculturalists constantly cultivate new varieties of fruits; for instance, at least 1,600 varieties of bananas exist as of 2014.
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  • When is passion fruit ripe?

    Q: When is passion fruit ripe?

    A: The best way to tell if a passion fruit is ripe is by looking at the fruit's skin color; a purple-skinned passion fruit is considered to be ripe. If the passion fruit's skin has any green tint to it, it is not ripe yet. For the best-tasting passion fruit, wait until the skin wrinkles a bit, as the fruit will have a sweeter flavor.
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  • Where does pineapple come from?

    Q: Where does pineapple come from?

    A: Pineapples originated in South America in the region of Paraguay and southern Brazil. By the time Columbus discovered the Americas, the fruit had spread northward into Central America. By 1720, pineapples were being grown in greenhouses in Europe.
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  • What fruits are high in fiber?

    Q: What fruits are high in fiber?

    A: The fruit with the highest fiber are raspberries, which have 8 grams of fiber per 1-cup serving, according to Mayo Clinic. Pears and apples both rank high as well, at 5.5 and 4.4 grams of fiber, respectively, although they must be eaten with the skin on to enable such a high fiber content. Bananas, oranges and strawberries all have around 3 grams of fiber per serving.
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  • Why are they called Brussels sprouts?

    Q: Why are they called Brussels sprouts?

    A: Brussels sprouts are named for the capital city of the country in which they first became popular, Brussels, Belgium. In Belgium, Brussels sprouts have been grown since the 13th century.
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  • How long can I soak potatoes in water?

    Q: How long can I soak potatoes in water?

    A: Soak raw potatoes in water for several hours when they are left sitting out without any harmful effects, or soak them overnight as long as they are refrigerated. Soaking raw potatoes in water helps to remove amylose, which is the starch molecule responsible for giving mashed potatoes a paste-like texture. The potatoes must be cut into small, 1-inch pieces to remove a significant amount of the starch.
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  • What are some bitter fruits?

    Q: What are some bitter fruits?

    A: Some bitter fruits include grapefruits, bitter melons, olives, crabapples and bitter oranges. Some lesser-known bitter fruits include sandcherries, buffaloberries and the berries of the mountain ash tree. These berries, however, have a toxic effect when eaten in large quantities and should be consumed with caution.
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