Vegetable juice is a juice drink made primarily of blended vegetables and also available in the form of powders. Vegetable juice is often mixed with fruits such as apples or grapes to improve flavor. It is often touted as a low-sugar alternative to fruit juice, although some commercial brands of vegetable juices use fruit juices as sweeteners, and may contain large amounts of sodium. [1]
Making vegetable juice at home is an alternative to buying commercial juices, and may augment diets low in vegetables and fruits. The juicer separates juice from pulp fibers. Masticating juicers employ a slow-geared grinding mechanism. A cheaper and faster alternative uses centrifugal force to achieve separation. The slower speed of the masticating process is held to protect the vegetables from oxidation and heat (from friction), reducing nutrient breakdown. Advocates of masticating juicers often cite the preservation of enzymes, though these are rarely specified and the claims are unsubstantiated by a body of academic support. Juicing the fine leaves of wheatgrass usually requires a masticating process.
Commercial vegetable juices are commonly made from varying combinations of carrots, beets, pumpkin, and tomatoes. The latter two, although not technically vegetables, are commonly used to increase palatability. Other popular items in vegetable juices are parsley, dandelion greens, kale, celery, fennel, and cucumbers. Lemon, garlic and ginger may be added by some for medicinal purposes.
Other common juices include carrot juice, tomato juice, and turnip juice.
In Asian cultures, primarily Chinese, Chinese yam (Chinese: shān yào, Japanese: nagaimo) is also used for vegetable juices. They are used quite sparingly, however, for many Chinese consider it to be a medicine rather than a vegetable.
Kale juice marketed as Aojiru in Japan has become well known for its purported health benefits and bitter taste.
Japan also markets several kinds of vegetable juices which, unlike Western juices, usually depend on carrots and fruits instead of large amounts of tomato juice for their flavor.
In general, vegetable juices are recommended as supplements to whole vegetables, rather than as a replacement. However, the actual nutritional value of juices versus whole vegetables is still contested.
USDA guidelines for Americans states that 3/4 cup of 100% vegetable juice is equivalent to one serving of vegetables. [2] This is upheld by a 2006 study, which found that juices provide similar health benefits as whole vegetables in terms of reducing risks of cardiovascular disease and cancer although the authors noted "a lack of human data and contradictory findings hampered conclusions". [3] Another study has found that drinking vegetable juice reduces risks of Alzheimer's disease by 76%. [4]
However, the British Nutrition Foundation holds that although vegetable juice counts as a serving, it can only count as one serving, regardless of the amount of juice drunk. [5] Additionally, A 2007 Japanese study showed that although Japanese commercial juices had nutritional benefits, they were insufficient as a primary mode of vegetable consumption. [6]
Many popular vegetable juices, particularly ones with high tomato content, are high in sodium, and therefore consumption of them for health must be carefully considered. Some vegetables such as beets also contain large amounts of sugar, so care must be taken when adding these to juices.
Consumption of certain vegetable juices can also contribute substantially to oxalate intake; people who form calcium oxalate stones may be advised to limit consumption of vegetable juices. [7] Cases of oxalate nephropathy associated with oxalate-rich juice intake have also been documented in susceptible individuals. [8]
Although the actual nutritional benefits of vegetable juice are contested, a 2008 UC Davis study found that drinking vegetable juice daily significantly increased drinkers' chances of meeting the daily recommended number of vegetable servings. [9] Having an easy source of vegetables encouraged drinkers to incorporate more vegetables into their diets. Children who refuse whole vegetables may find vegetable juice, when blended with fruit juice, a palatable alternative.
A drink or beverage is a liquid intended for human consumption. In addition to their basic function of satisfying thirst, drinks play important roles in human culture. Common types of drinks include plain drinking water, milk, juice, smoothies and soft drinks. Traditionally warm beverages include coffee, tea, and hot chocolate. Caffeinated drinks that contain the stimulant caffeine have a long history.
Lycopene is an organic compound classified as a tetraterpene and a carotene. Lycopene is a bright red carotenoid hydrocarbon found in tomatoes and other red fruits and vegetables.
A macrobiotic diet is a fad diet based on ideas about types of food drawn from Zen Buddhism. The diet tries to balance the supposed yin and yang elements of food and cookware. Major principles of macrobiotic diets are to reduce animal products, eat locally grown foods that are in season, and consume meals in moderation.
A food pyramid is a representation of the optimal number of servings to be eaten each day from each of the basic food groups. The first pyramid was published in Sweden in 1974. The 1992 pyramid introduced by the United States Department of Agriculture (USDA) was called the "Food Guide Pyramid" or "Eating Right Pyramid". It was updated in 2005 to "MyPyramid", and then it was replaced by "MyPlate" in 2011.
Juicing is the process of extracting juice from plant tissues such as fruit or vegetables.
V8 Vegetable Juice, sometimes simply referred to as V8, is a trademarked name for a number of beverage products sold worldwide that are made from eight vegetables, or a mixture of vegetables and fruits. Since 1948, the brand has been owned by the Campbell Soup Company.
A healthy diet is a diet that maintains or improves overall health. A healthy diet provides the body with essential nutrition: fluid, macronutrients such as protein, micronutrients such as vitamins, and adequate fibre and food energy.
A food group is a collection of foods that share similar nutritional properties or biological classifications. Lists of nutrition guides typically divide foods into food groups, and Recommended Dietary Allowance recommends daily servings of each group for a healthy diet. In the United States for instance, the USDA has described food as being in from 4 to 11 different groups.
A low-residue diet is a diet intended to reduce certain constituents of the bowel, often with consequence for functional behaviour of the bowel. It may be prescribed for patients with ailments or functional gastrointestinal disorders mitigated by fewer and smaller bowel movements each day.
Canada's Food Guide is a nutrition guide produced by Health Canada. In 2007, it was reported to be the second most requested Canadian government publication, behind the Income Tax Forms. The Health Canada website states: "Food guides are basic education tools that are designed to help people follow a healthy diet."
5 A Day is any of various national campaigns in developed countries such as the United States, the United Kingdom, France, and Germany, to encourage the consumption of at least five portions of fruit and vegetables each day, following a recommendation by the World Health Organization that individuals consume "a minimum of 400g of fruit and vegetables per day ." A meta-analysis of the many studies of this issue was published in 2017 and found that consumption of double the minimum recommendation – 800g or ten a day – provided an increased protection against all forms of mortality. In some places, people are being encouraged to aim for not just five portions a day, but seven.
Vegetables are parts of plants that are consumed by humans or other animals as food. The original meaning is still commonly used and is applied to plants collectively to refer to all edible plant matter, including the flowers, fruits, stems, leaves, roots, and seeds. An alternative definition of the term is applied somewhat arbitrarily, often by culinary and cultural tradition. It may exclude foods derived from some plants that are fruits, flowers, nuts, and cereal grains, but include savoury fruits such as tomatoes and courgettes, flowers such as broccoli, and seeds such as pulses.
Seasonal food refers to the times of the year when the harvest or the flavour of a given type of food is at its peak. This is usually the time when the item is harvested, with some exceptions; an example being sweet potatoes which are best eaten several weeks after harvest. Seasonal food reduces the greenhouse gas emissions resulting from food consumption and is integral in a low carbon diet. Macrobiotic diets emphasize eating locally grown foods that are in season.
A smoothie is a beverage made by puréeing ingredients in a blender. A smoothie commonly has a liquid base, such as fruit juice or milk, yogurt or ice cream. Other ingredients may be added, including fruits, vegetables, non-dairy milk, crushed ice, whey powder or nutritional supplements.
Burkinabé cuisine, the cuisine of Burkina Faso, is similar to the cuisines in many parts of West Africa, and is based on staple foods of sorghum, millet, rice, fonio, maize, peanuts, potatoes, beans, yams and okra. Rice, maize and millet are the most commonly eaten grains. Grilled meat is common, particularly mutton, goat, beef and fish.
Fruits & Veggies – More Matters is a national public health initiative from Produce for Better Health Foundation and Centers for Disease Control and Prevention (CDC) to increase the consumption of fruits and vegetables. This campaign, begun in 2007, took the place of the 5 A Day program. The shift was implemented in order to better communicate updated dietary guidelines, which recommended more than five servings of fruits and vegetables for some Americans.
Canadian health claims by Health Canada, the department of the Government of Canada responsible for national health, has allowed five scientifically verified disease risk reduction claims to be used on food labels and on food advertising. Other countries, including the United States and Great Britain, have approved similar health claims on food labels.
Juice is a drink made from the extraction or pressing of the natural liquid contained in fruit and vegetables. It can also refer to liquids that are flavored with concentrate or other biological food sources, such as meat or seafood, such as clam juice. Juice is commonly consumed as a beverage or used as an ingredient or flavoring in foods or other beverages, such as smoothies. Juice emerged as a popular beverage choice after the development of pasteurization methods enabled its preservation without using fermentation. The largest fruit juice consumers are New Zealand and Colombia. Fruit juice consumption on average increases with a country's income level.
Toddler nutrition is the description of the dietary needs of toddlers aged one to two years old. Food provides the energy and nutrients that toddlers need to be healthy. An adequate intake in nutrient rich food is good nutrition. A diet lacking essential calories, minerals, fluid and vitamins could be considered 'bad' nutrition. Nutrition needs are different for toddlers. For a baby, breast milk is "best" and it has all the necessary vitamins and minerals. Toddlers typically have been weaned from breast milk and infant formula. Though infants usually start eating solid foods between 4 and 6 months of age, more and more solid foods are consumed by a growing toddler. If a food introduced one at a time, a potential allergen can be identified. Food provides the energy and nutrients that young children need to be healthy. Toddlers are learning to feed themselves and to eat new foods. They should eat a variety of foods from all the food groups. Each day, toddlers need enough nutrients, including
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