2. رنگیزه تعریف:
pigment is a material that changes the color of reflected or transmitted light as
the result of wavelength-selective absorption. This physical process differs from
fluorescence, phosphorescence, and other forms of luminescence.
Beta-carotene
Chromophore:شکلیت زنجیری اتصاالت از گروهی حاوی که آلی نشدهاشباع مولکول یک ازکی
ترپائین هایفرکانس به نور جذب دادن تغییر آن کار و است چندتائی یا(ترطویل هایموج طول)است
(ک مواد این ترکیب از حقیقت در و شودمی موردنظر رنگ ایجاد باعث ،ترکیب در مواد این حضوره
شودمی ایجاد رنگ ،دیگر مواد با ،شوندمی نامیده رنگ ریشه.)
2
(KEVIN M. DAVIES,.2004)
38. Thick arrows show
enzymatic reactions, dotted
arrows show spontaneous
reactions. I, enzyme with
tyrosine-hydroxylating
activity (LeTYR in this
study); II, L-DOPA oxidase;
III, DOPA 4,5-dioxygenase
(MjDOD in this study); IV,
betanidin 5-O-
glucosyltransferase; V,
cyclo-DOPA 5-O-
glucosyltransferase.
Enzymes used for
betaxanthin engineering in
this study are shown in red
font
(F. Gandı´a-Herrero and F.Garcı´a-Carmona2013)
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