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They really are-- and so they eat these in their food and they're quite delicious
這就是他們的食品，非常美味
and here's an example of something I had down there
這里就是實物的照片
And most of the people I met down in Copper Canyon really had no formal education
銅峽谷很多人都沒受過正規教育
and certainly had not gone and gotten a PhD in nutrition
更別談營養學博士學位了
And yet when I talk to them they could tell me that the foods that they were eating were actually good for their blood sugar
不過他們卻告訴我，自己吃的食物對血糖有好處
It was really fascinating
太奇妙了
And you look at the science of this and they have a whole team
這引起了科學界關注
from the University of Oregon that went down and studied the food
俄勒岡大學派了一整個團隊去研究其飲食
and they found that most of the things that they were eating had this very low glycemic index
他們發現其食物中升糖指數很低
So indeed, very little sugar going into the bloodstream at that one time
不會有糖一次性大量涌入血流
And even what you're seeing here on the screen here
哪怕是屏幕中的這種薄餅
is actually some low glycemic index in the making because
其升糖指數也很低
the tortillas which do have a little bit more sugar
玉米薄餅雖然比豆類含糖更多
the corn tortillas than the beans
玉米薄餅雖然比豆類含糖更多
But it turns out that when you eat the tortillas with the beans together
但薄餅是和豆類一起吃的
the release of sugar from the tortillas slows down to match that of the bean's
于是薄餅的糖釋放就會減緩，以配合豆類
So there's this wonderful science of food combining that goes on
這里有非常棒的食物組合科學在里面
and really quite incredible from a group of people who don't have PhD's in nutrition
很難以置信的是，這些人既沒有營養學博士學位
and haven't been spending a lot of time on the bench trying to prove this and
也沒有花大量時間去研究和證明這些
sell it to you as a functional food
但卻知道這些食品的功效
Now this is the other thing that I learned down in Copper Canyon
這是我在銅峽谷看到的另一個景象
What you see growing in front of this traditional ranchero
誰知道菜園前端生長的是什么嗎
Cactus, the nopales
仙人掌
