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| [00:07.52] You probably know a famous saying about the importance of eating apples [00:14.58]It is,"An apple a day keeps the doctor away." [00:19.83]Now,a new American study shows eating apples may help fight cancer,too. [00:28.16]Research scientists at Cornell University in Ithaca,New York [00:34.93]say a combination of chemicals found in apples is important for good health. [00:42.58]The study shows that the combination of chemicals play an important part [00:49.74]in anti-cancer and anti-oxidant activity. [00:55.17]An anti-oxidant is one of many chemicals that reduce or prevent oxidation [01:04.13]This prevents damage to cells and tissues caused by atoms [01:10.90]or molecules in the body called free radicals. [01:16.25]The scientists say the chemicals are in both the skin and the flesh of apples [01:24.69]Results of the study were reported in the publication Nature. [01:30.72]The New York Apple Research Development Program [01:35.87]and New York Apple Association paid for the study. [01:41.51]The Cornell researchers studied the chemicals,or extracts, [01:48.04]taken from the skin and flesh of red apples graown in New York State. [01:55.59]They studied the effectiveness of the apple extract in fighting cancer [02:02.23]and preventing cell damage. [02:05.78]The researchers treated colon cancer cells [02:11.21]with fifty milligrams of apple extract. [02:16.46]Extracts from the apple skin reduced the growth of cancer cells by 43%. [02:25.48]Extracts from the fruit's flesh reduced the growth of cancer cells by 29%. [02:34.62]The researchers also treated human liver cancer cells with apple extract. [02:42.74]Extracts from the apple skin reduced the growth of those cells by 57%. [02:51.99]Extract from the fleshy part of the apple reduced the cancer cells by 40%. [03:00.32]Lead researcher Rui Hai Liu said scientists have known [03:07.38]that apples are good for human health. [03:11.90]Mister Liu says some scientists are interested in testing single vitamins [03:19.34]or other substances to see if they alone fight disease. [03:26.16]He says his study shows no single substance works alone to reduce cancer [03:34.20]Instead,he says the combination of chemicals in apples is effective. [03:41.65]Mister Liu says eating fruits and vegetables is better [03:47.68]than taking extra vitamin pills. [03:51.42]He says people can get enough anti-oxidants from food [03:56.67]without worrying about any possible harmful effects. |
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