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Carotenoids

carotenoid: pigment molecules- usually yellow, orange,and red- that interact with chlorophylls to absorb light energy needed in photosynthesis


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Is Spirulina really good for our health ?

... was not claimed to show risk for other populations with lesser exposures. There are studies that concluded some cncer prevention potential of carotenoids - here's a review: http://www.ncbi.nlm.nih.gov/pubmed/22418926

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by JorgeLobo
Wed May 30, 2012 10:36 am
 
Forum: Microbiology
Topic: Is Spirulina really good for our health ?
Replies: 38
Views: 148003

Re: Molecules that cause pigmentation

... are not among the ones you mentioned. Of the bacteria offered, Kocuria rhizophilia (formerly Micrococcus luteus) yellow pigmentation is due to carotenoids the function of which here is not real obvious. Carotenoids do confer some degee of photoresistance and can function in photosynthesis. ...

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by JorgeLobo
Thu Mar 29, 2012 12:48 pm
 
Forum: Microbiology
Topic: Molecules that cause pigmentation
Replies: 3
Views: 4123

Is Spirulina really good for our health ?

... a form that is easily absorbed. It helps maintain an optimum level of hemoglobin in the blood. It is the best natural source for antioxidants like carotenoids, vitamin E, zinc and selenium that help fight against free radicals and also slow down the ageing process. Being the richest vegetarian ...

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by lucyy
Mon Aug 29, 2011 11:18 am
 
Forum: Microbiology
Topic: Is Spirulina really good for our health ?
Replies: 38
Views: 148003

Why are leaves green?

in desending wavelength absorbtion, Carotenoids, Chlorophyll b and Chlorophyll a are the major light aborbing pigments in the plant and form part of the light absorbing complex. In this complex energy is absorbed by all pigments, but not all ...

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by Marnitz
Sat Jun 11, 2011 2:45 pm
 
Forum: Botany Discussion
Topic: Why are leaves green?
Replies: 76
Views: 291299

Does anything affect absorption spectrum of chlorophyll?

no, they have several pigments. Like pepper can have up to 70 different carotenoids and some more other pigments

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by JackBean
Tue Jan 04, 2011 3:05 pm
 
Forum: Botany Discussion
Topic: Does anything affect absorption spectrum of chlorophyll?
Replies: 11
Views: 16921
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