It is well known that the concentration of biologically active constituents varies with the stage of plant growth and development. This also applies to non-targeted toxic or poisonous indigenous plant ingredients. The best time for harvest (quality peak season/time of day) should be determined according to the quality and quantity of biologically active constituents rather than the total vegetative yield of the targeted medicinal plant parts. For this reason, detailed information concerning the appropriate timing of medicinal plant harvest is precious data.
Dear MOLGAARD,
Thank you for your great attention. Your answer doesn't include any attached file. I think you forgot to add it to your message. I will wait for the paper.
Best regards.
Hey, I was reading about alkaloids and came across this paper which might be useful to you. It is about Alkaloid Profile in Relation to Different Developmental
Stages of Papaver somniferum L.
Just found one more. I don't know if there is a way to attach more than one file per message
see this old paper by me: Ramawat KG, Rideau M and Chenieux JC 1985 Growth and alkaloid production in differentiating and non- differentiating strains of Ruta graveolens. Phytochemistry. 24: 441-445.
Ramawat KG, Rideau M and Chenieux JC 1989 Structural variation in different strains of Ruta graviolens grown in culture. Indian J. Exp. Biol. 27: 234-241.
There are several others. You have to find a responsive system to have proper data.
Article Increased puerarin biosynthesis during in vitro shoot format...
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