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Pigment

pigment

1. Any material from which a dye, a paint, or the like, may be prepared; particularly, the refined and purified colouring matter ready for mixing with an appropriate vehicle.

2. (Science: physiology) Any one of the coloured substances found in animal and vegetable tissues and fluids, as bilirubin, urobilin, chlorophyll, etc.

3. Wine flavored with species and honey.

(Science: physiology) pigment cell, a small cell containing colouring matter, as the pigmented epithelial cells of the choroid and iris, or the pigmented connective tissue cells in the skin of fishes, reptiles, etc.

Origin: L. Pigmentum, fr. The root of pingere to paint: cf. F. Pigment. See Paint, and cf. Pimento, Orpiment.


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Re: Chlorophyll Supplements

... care to present any argument for the need of chlorophyll for human? The chlorophyll molecule bears a striking resemblance to hemoglobin, the red pigment in human blood. Except for the color, function, the use of Mg instead of Fe :) And AFAIK humans are able to produce their heme groups without ...

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by canalon
Sun Aug 23, 2009 1:41 am
 
Forum: General Discussion
Topic: Chlorophyll Supplements
Replies: 4
Views: 75

Chlorophyll Supplements

Chlorophyll is an important natural product, beneficial to humanity. The chlorophyll molecule bears a striking resemblance to hemoglobin, the red pigment in human blood.

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by herbalstore
Sat Aug 22, 2009 11:41 am
 
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Topic: Chlorophyll Supplements
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Use of Bacteria

Bacteria are very small organisms, usually consisting of one cell, that lack chlorophyll (a green pigment found in plants that allows for the production of food). Bacteria are found everywhere, in the air, soil, water, and inside your body and on your skin. They tend to ...

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by bryanwilliamz
Fri Jun 19, 2009 6:08 am
 
Forum: Microbiology
Topic: Use of Bacteria
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Re: Any SOLID arguments against evolution?

... shared european traits. My understanding of white-skin origin is that after diverging from african populations, northern populations lost pigment in a selective response to vitamin deficiency. ?? It is also my understanding that "black" people are also a divergence from the evolutionary ...

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by AstusAleator
Sat May 30, 2009 12:57 am
 
Forum: Evolution
Topic: Any SOLID arguments against evolution?
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my unknown

... epidermidis and others will be coagulase (-). You may have access to TGA (Tellurite-Glycine Agar) plates, which differentiate coagulase + (black pigmented colonies) and coagulase - (grayish, or white)although it's certainly not perfect. By "whitish" in pigment, I'm assuming you have ...

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by gakerty
Wed May 13, 2009 5:22 pm
 
Forum: Microbiology
Topic: my unknown
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