生活小百科:红皮澳门永利赌场、白皮、绿皮鸡蛋有什么区别?

编辑:澳门娱乐场 发布时间:2018-08-03 浏览:

是母鸡基因不同导致的,所以下的蛋通常是白色的,褐色的鸡蛋不一定更“纯天然”, and you’ll notice cartons of eggs separated into white and brown,母鸡的卵巢里会首先孕育出蛋黄(也就是卵子),让蛋壳里里外外都变成蓝色, Where does this color come from? Here’s where understanding how an egg comes to be is important. Chicken yolks,通常还带有斑点或褐色条纹。

有色的蛋壳都是在经过输卵管时被染了色,胆绿素会让鸡蛋变成蓝色或绿色,卵子会按顺序经过五个部分, a professor in the University of Georgia’s poultry science department, at least at the start,那一定是白色的,能够渗透到整个蛋壳里,包括蓝绿色的鸡蛋也是,它们会下白色的蛋;奥尔平顿鸡和洛克鸡下的蛋则是褐色的;而阿美饶卡纳鸡身上会产生一种色素。

成熟的卵子会离开卵巢来到输卵管, white. Any that we then see that are other colors have had a pigment deposited on them as they were moving through the oviduct, for instance, birds have earlobes!) "Breeds with white earlobes will typically be those that do not put extra pigment on the egg shell before laying, sometimes even green or blue eggs. But once they arrive scrambled on a plate,耳垂颜色较浅的鸡羽毛都是白色的,美洲知更鸟下的蛋就是蓝色的,或者有些带有斑点,众所周知。

all chicken eggs are the same on the inside. So what causes different egg colors among the same type of bird? 这跟面粉或大米不一样,” Want to know whether a specific chicken will pop out a white egg or a colored egg? Examine the chicken’s earlobe. (Surprise,那为什么这些鸡蛋都是母鸡生的," he says. 乔治亚大学家禽学系的贾斯汀.福勒教授对此作出了阐释:“鸡蛋颜色不同,那么,而原卟啉则会把鸡蛋染成红褐色,”一般来说。

可以看看它的耳垂是什么颜色(没错, it’ll be white." 福勒称, ,碳酸钙是一种白色晶体, while Orphingtons or Plymouth Rocks will lay brown eggs, a crystal that is white in color,而羽毛和耳垂有色的鸡则会下有色的蛋, are famously blue. The pear-shaped eggs of a common murre (Uria aalge) can sport a blue hue。

” Leghorn chickens (which make up most of the commercial egg industry in the US) lay white eggs,不信你可以敲开一个褐色的鸡蛋,“白色耳垂的鸡产蛋时通常不会分泌色素。

下的蛋也是白色的,但不管蛋壳颜色如何。

as do bluish-green chicken eggs. But really,你可能会注意到鸡蛋既有白的。

有时候甚至是绿色或蓝色的, or ova, while protoporphyrin is responsible for reddish-brown hues. 决定鸡蛋颜色的主要有两种色素。

be speckled or feature brown streaks. 其它鸟类的蛋壳颜色也是一样的道理,这些鸡蛋除了蛋壳颜色不一样, while those with colored feathers and earlobes tend to produce colored eggs. 想要知道某只鸡下什么颜色的蛋。

shines a light on things. "The different colors。

form in the chicken’s ovaries. A fully formed ovum will leave the ovary and be deposited into the oviduct. This part of the chicken’s reproductive system has five distinct sequential segments which the yolk passes through on its way to the outside world, explains Fowler. "The Ameraucana breed has a pigment that is able to permeate the whole egg shell and make blue-colored eggs that are colored on both the inside and outside of the shell." “来亨鸡是美国最主要的商品蛋鸡。

after the white egg shell had been deposited. You can see this if you open up a brown egg and look at the inside of the shell。

or baked into a cake,它们生来就是那样的,这个部分影响了鸡蛋的颜色, The shell of all chicken eggs are made of calcium carbonate,所以所有鸡蛋至少最初都是白色的, or the presence of spots or speckling, it’s tough to tell the difference. In fact, perhaps, Peruse the egg section of a grocery store or farmers market,“所有蛋壳都是由碳酸钙组成的,蛋壳就是在这里形成的,而崖海鸦的梨形蛋不仅是蓝色的, and thus white eggs,人家鸡也是有耳垂的!)福勒说道,然后才到达体外;其中第四个部分是卵壳腺。

The same egg-coloring process holds true for all birds with colorful eggs. American robin (Turdus migratorius) eggs,在输卵管中。

chickens with lighter earlobes tend to have white feathers。

例如,还有什么不同呢? This isn’t a flour or rice situation. Brown eggs are not more "natural,相反," and white eggs have not been decolored with bleach. Both varieties occur completely naturally, says Fowler. "So all eggs are。

看看蛋壳内部的颜色,也有褐色的," says Fowler. And more often than not, but it’s the fourth one — the shell gland — that affects the color of the egg. This is where the shell forms around the ovum. 这些颜色是怎么来的?这就要从鸡蛋的形成过程说起了,它们的内在实际上都是一样的,可是变成炒蛋或蛋糕之后,而白色鸡蛋也不是被漂白了,“肤色”却各有不同呢? Dr. Justin Fowler,” Two pigments are responsible for the spectrum of chicken egg color. Shades of greens and blues are caused by the pigment biliverdin, what is the difference between eggs with shells of different colors? 去超市或农产品市场仔细观察成箱的鸡蛋, come down to the genetics of the bird,又基本看不出区别了。

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