Indigo is a natural ingredient in blue.

靛青是蓝色的一种自然配料。

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Because it is the natural ingredient which withdraws from the stevia rebaudiana plant, therefore comparison security.

因为它是从甜叶菊植物中提取的天然成分，所以比较安全。

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Diaoyutai Tieh-Kuan-Yin serves as a green drink, which is made of natural ingredient planted in nonpolluting area of high altitude Anxi, Fujian.

钓鱼台铁观音系生长于福建安溪高海拔无污染地区的纯天然绿色饮品。

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And since natural gas is a major ingredient in fertilizer, the cost of this essential farm supply could go up,too.

VOA: standard.2009.12.12

Companies have claimed that DMAA is a natural dietary ingredient from the geranium plant, previously used in tea infusions and from other studies using geranium oil.

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But in the past four years, she has reinvented it, working with organic chemists and natural-ingredient purveyors all over the world to develop products and treatment machines that deliver impressive results.

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Siluria converts methane, the primary ingredient in natural gas, into liquid fuels and chemical intermediates.

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