英语释义

1. of, relating to, or being chemical or environmental precursors of the origin of life
… it is possible that either the prebiotic molecules necessary for the evolution of life or the raw materials from which these molecules formed were brought to Earth by comet-like objects.
— Marcia Neugebauer also existing or occurring before the origin of life
… RNA is a chemically fragile molecule, unlikely to survive the harsh prebiotic conditions.
— Michael Egholm et al.

2. of, relating to, or being a prebiotic
… next-generation probiotic microbes administered along with the appropriate prebiotic nutrients to nourish them.
— Michael Pollan

3. a substance and especially a carbohydrate (such as inulin) that is nearly or wholly indigestible and that when consumed (as in food) promotes the growth of beneficial bacteria in the digestive tract
Prebiotics are naturally found in certain fruits, vegetables, and herbs, including artichoke, asparagus, bananas, chicory, garlic, and onions.
— Andrew Weil — compare probiotic

4. of, relating to, or being chemical or environmental precursors of the origin of life
prebiotic molecules also existing or occurring before the origin of life
prebiotic conditions

5. of, relating to, or being a prebiotic
Prebiotic agents included the oligosaccharides inulin, galactose, fructose, lactulose, and combinations of these nutrients.
— Josef Neu et al., The New England Journal of Medicine, 20 Jan. 2011

6. a substance and especially a carbohydrate (such as inulin) that is nearly or wholly indigestible and that when consumed (as in food) promotes the growth of beneficial bacteria in the digestive tract — compare probiotic

片语

Prebiotic Oligosaccharides低聚糖

PREBIOTIC CARE添加了益菌素

prebiotic life前生物生命

prebiotic evolution生物出现前进化

prebiotic chemistry[生化]

prebiotic soup原始汤

prebiotic syntheses前生物合成

prebiotic stage前生物期

prebiotic synthesis前生物合成

英汉例句

• the origin of life is a hotly debated topic, and the source of the prebiotic chemicals in earth「s so-called primordial soup is one of its enduring mysteries.

  生命的起源是一个热议中的话题。其中一个由来已久的谜团是：在地球上所谓的「原始汤」中，生物前化学物质究竟来自何处呢？

• szostak is trying to construct a pathway that bridges from prebiotic chemical reactions to genetically-driven living matter.

  绍斯塔克试图构建一条桥梁从无生命的化学反应到有生命的物质。

• this early prebiotic history has been lost from the terrestrial record.

  这种早期前生命历史已经从地球记录里消失。

• recently, ax and its hydrolyzate have been paid more attention in the world wide, for their better prebiotic functions.

  近年来，ax及其水解产物因具有良好的益生功能，受到了世界范围内的广泛关注。

• on the other hand, if there is a mechanism to choose handedness before life emerges, it is one less problem prebiotic chemistry has to solve before making life.

  从另一方面看，如果这种对氨基酸的优先选择机制早在生命起源之前就已经存在，那就说明在生命出现以前，必定存在一种比生化反应还要早的化学反应过程。

• spitzer detected a prebiotic molecule, called hydrogen cyanide, in the disks around yellow stars like our sun, but found none around cooler, less massive, reddish stars.

  斯皮策探测到在和我们太阳类似的黄色恒星周围的尘埃盘中有一种原始生命分子-氰化氢，但在更冷的、质量更少的微红色恒星周围却没有。

• wild honey has prebiotic properties which can stimulate the growth of beneficial organisms in our bodies, while suppressing potentially dangerous bacteria.

  野生蜂蜜含有益生菌，能刺激人体健康组织的生长，同时抑制潜在的有害细菌。

• this results initiated many years of prebiotic chemistry experiments.

  这个结果激起了许多年的关于生命起源以前的化学实验。

• one of the things we」re trying to look at is prebiotic seif-organisation, chemical seif-organisation .

  我们要考察的内容之一是生命起源前的自组织，化学自组织。

• this has led many to argue that the starting point for the history of life on earth was the denovo emergence of the rna world from a nucleotide-rich prebiotic soup.

  这使得很多人主张，地球生命历史的起点是在富含核酸的汤里反复出现的——也就是rna世界。另外一些人非常怀疑这一观点。

• the presence of hydrogen sulfide in the 1958 experiment seems to have played a key role in producing the wealth of prebiotic chemicals cleaves's group found, says hud.

  赫德说，在1958年的实验中，硫化氢的使用好像对于克利夫斯研究小组所发现的大量生物前化学物质的产生起到了关键作用。

• prebiotic inulin adds to an easy adsorption of dietary fibers, and at the same time reduces the calorific value.

  菊粉是生命起源前的物质，它能够增加吸收日常饮食中的纤维素，同时减少热量的产生。

• prebiotic inulin fibres, including wholegrain barley and oat flakes, to help maintain a healthy digestive tract.

  益生元菊糖纤维，包括全谷大麦和燕麦片，有助于食物消化。

• our dual prebiotic blend is designed to work longer in the digestive tract for more complete support compared to our previous formula.

  我们的双益生元配方设计是比以前的效性更长，更完整，在消化道内活跃更久。

• the young earth could have also received more complex molecules with enzymatic functions, molecules that were prebiotic but part of a system that was already well on its way to biology.

  年轻的地球也会接收到具有酵素机能的复杂分子，还有一些分子尚属于前生命期，却是準生命系统的一部份。

• prebiotic fiber was administered combined with enteral nutrition support for patients in the study group.

  研究组患者于术后接受肠内营养，并予以强化益生元膳食纤维；