วันจันทร์ที่ 20 กันยายน พ.ศ. 2553

Eating fruit everyday, Durian is one of the best, isn't it?

There was a monthly publication in Thailand named "House Agricultural Magazine"[keha gan kaset], I was reading the 9th edition, September 2010. The stories in the book were always interesting, I impressed some articles about the Fruits, one was written by Wannapa Senadee, discussed about the technicle conference on Thai Fruits Functional fruits, in last July at Impact Muangthongthanee Trade Exhibition Center.

There was a research on Carotenoid, Flavonoid and Dietary Fibre, from 21 Fruits in Thailand by Assistant Professor Dr. Ratchanee Kongkashuishai and her colleagues from Nutrition Institute, Mahidol Univesity. The research found that, all fruits contained high dietary fibre, also carotenoid and flavonoid. The highest fibre were guava, durian, banana and ripe papaya respectively. The content was between 0.71-3.58 gramme per 100 gramme of eaten parts. Dark colour durian contained highest carotenoid particularly in Puangmanee, Kradume and Chanee varieties. Highest flavonoid were durian, pomelo, guava, and ripe banana. Thongdee and Taptim Siam were the highest flavonoid pomelo varieties.

Carotenoid was a group of phytochemical, the important groups were alpha-carotenoid, beta-carotenoid, carotene, lycopene, lutein, and xantin. The advantage of carotenoid were to increase immune system, anti-oxidants and cancer resistant.

Flavonoid was the group to make cell deterioration slow down and to produce colour to plants.[ I thought this group were also antioxidants]

Dietary Fibre was indigestible cell wall of food from plants in digestibility system, both soluble and insoluble. The advantage were to make balance in digesting, to be better in nutrition absorbtion, and to protect cancer and heart diseases.

[ From my previous information, fibre in intestine, help to catch fat and carry them to the large intestine. If there is no fibre, the fat will cover intestine wall and then, elements and nutrition can not absorb through intestine wall to other part of the body.]

In the same book mentioning above, Supanee Na Songkla wrote about Antioxidants in Chinese Mangoes from the 9th International Mangoes Conference in Hainan, People Republic of China. Information source was Wang Song-biao and his colleagues. They said that there was a Chinese researcher named Guo diplayed his poster on Antioxidants in 28 fruits and found that mango was the one having antioxidants higher than others significantly. These antioxidants were Ascorbic Acid, Reduced Glutathione, Polyphenols, Flavonoids, Carotenoids, a-tocopherols. Antioxidants would be in higher content if mangoes were in optimum riping stage. Thairat newspaper in Thailand published on January 18, 2010 stated the finding of Dr. Steve and Dr. Susan from Agrilife Food Research Centre, USA. that, mango helped to prevent breast and intestine cancers.

Again, same book, Wannapa Senadee wrote about watermelon. She said that farmers might applied carbofuran [furadan] under the plant canopies before planting and it's toxic residue would be free within 30 days or long before harvesting. other chemicals which were more concentrated were banned by the Department of Agriculture. Therefore, the idea of eating watermelon was toxic, was now wrong. It was safe. Watermelon young fruit could be eaten as vegetable, seed for appetizer and meat for fruit. Watermelon contained very high lycopene which was one of carotenoids as being the antioxidants, helping to minimize cancer risks, and slowing down cell deterioration or slowing down of getting old. Besides, Citrulline was a substance in watermelon which was believed to make person a good mood, and fresh feeling.

In conclusion, fruit have much advantage and we suppose to eat fruit everyday. From the points written above, all fruits have some advantages differently. But I would indicate about durian of many advantages. Many people particularly young in Thailand never eat durian. They disliked it's smell. What a bad luck! A part from being rich in nutrition, durian is also delicious. To be born in Thailand, if you never have durian, how can you explain to the foreigners who always buy durian from our exporting? What does it taste like? Smell? Yummy! I'll try more durian when they are displayed in durian season.

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