Juices

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Juices

  1. 1. JUICES BY SHUMAILA TABASSUM DEPTT OF BIOTECHNOLOGY SINDH AGRICULTURE UNIVERSITY TANDO JAM
  2. 3. Juice the liquid that is naturally contained in fruit or vegetable tissue. Juice is prepared by mechanically squeezing or macerating fresh fruits or vegetables flesh without the application of heat or solvents. For example, orange juice is the liquid extract of the fruit of the orange tree. Juice may be prepared in the home from fresh fruits and vegetables using a variety of hand or electric juicers .
  3. 4. Common methods for preservation and processing of fruit juices include canning , pasteurization , freezing , evaporation and spray drying . Many commercial juices are filtered to remove fiber or pulp , but high-pulp fresh orange juice is a popular beverage.
  4. 5. The best way to consume fruit is raw, with its skin or with the skin peeled off on an empty stomach or 20 minutes before other meals. If you're not such a fruit-eater and want to have more from the good stuff, the best way to start eating fruit is to squeeze fruit juices. In this way you can get used to fruit and after drinking juices for a while you'll see that your appetite to have raw fruits will increase.
  5. 6. Health effects <ul><li>Juices are often consumed for their perceived health benefits. For example, </li></ul><ul><li>orange juice is rich in vitamin C , folic acid , potassium , is an excellent source of bioavailable antioxidant phytochemicals and significantly improves blood lipid profiles in people affected with hypercholesterolemia . </li></ul><ul><li>Prune juice is associated with a digestive health benefit. Cranberry juice has long been known to help prevent or even treat bladder infections, and it is now known that a substance in cranberries prevents bacteria from binding to the bladder </li></ul>
  6. 7. <ul><li>The high sugar content of fruit juices is often not realized—many fruit juices have a higher sugar ( fructose ) content than sweetened soft drinks; e.g., typical grape juice has 50% more sugar than Coca Cola . </li></ul><ul><li>The comparison is not very fair however, because while soft drinks (e.g. Coca Cola) cause oxidative stress when ingested and may even lead to insulin resistance in the long term, the same thing cannot be attributed to fruit juices. </li></ul><ul><li>On the contrary, fruit juices are actually known for their ability to raise serum antioxidant capacity and even offset the oxidative stress and inflammation normally caused by high-fat and high-sugar meals. </li></ul>
  7. 8. The perception of fruit juice as equal in health benefit to fresh fruit has been questioned, mainly because it lacks fiber and has often been highly processed. High-fructose corn syrup , an ingredient of many juice cocktails, has been linked to the increased incidence of type II diabetes. High consumption of juice is also linked to weight gain in some studies, but not in others. In a controlled clinical study, regular consumption of grape juice for 12 weeks did not cause any weight gain in volunteers, but consumption of soft drink did Fruit juice in moderate amounts can help children and adults meet daily recommendations for fruit consumption, nutrient intake and calories.
  8. 9. is a drink made primarily of blended vegetables. Vegetable juice is often mixed with fruits such as tomatoes or grapes to improve flavor. It is often touted as a low-sugar alternative to fruit juice , although most commercial brands of vegetable juices contain large amounts of sodium . Vegetable juice
  9. 10. Vegetable juices are lower in calories than fruit juices, and almost all kinds of vegetables can be juiced. To start out, here are some suggested vegetables that work well on a regular basis
  10. 11. Aren't many fibers lost if you squeeze fruit? Squeezed fruit is as healthy as eating a piece of raw fruit out of your hand. Unlike many people think there is not a whole lot of fruit flesh lost when you squeeze fruit. This means that your glass of orange juice does contain all the fibers you need! These fibers prevent from many diseases. Fibers stimulate the digestive system so if you have a substantial amount of fruit intake it is not necessary to eat bran or other intestine stimulating foods.

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