A small pocket NIR from SCIO can cheaply scan intact leaves from the small Arabidopsis as well as from big leaves as Vitis Berlandieri or Bananas. This instrument is able to discriminate the two pages.
In different cultivars of grape in the inferior page are concentrated more or less some cotton-like formations.
The 1st question is:
Are these hairinesses related to polyphenols ?.
The 2nd question is:
how polyphenols are ontogenetically related to the leaf maturity (sum of the components crude fiber, NDF, ADF, Lignin, crude protein, lipid, ash, free sugars ) till to senescence and death?.
1. question
I have not yet read about the relation between hairnesses and polyphenols. Maybe in literature it can be found. May be using sone instrumental analytic techniques gives some clues about it look at some phenol derivations whether exist or not in hair part of it by HPLC or other cromatographic instruments. sometimes GC-MS can be more suitable detect gimmenic acid, flavone, hyroquinone or gallic acid.
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