Here is some info on ginseng bud blossom and ginsenoside level comparisons to the root.
Of course they are trying to sell the stuff so keep that in mind.
The Primary Ginsenosides in the Ginseng Flower Bud
RMS7cd - 10 times more than the ginseng root (improves sexual function, anti-aging, revitalizing, promotes DNA & RNA synthesis, endocrine regulation).
Re - 14.7 times more than the ginseng root (protects cell membranes, delays aging process of cells, expands blood vessels, lowers blood pressure and blood sugar levels and suppresses development of cervical cancers).
Rd - 13.85 times more than the ginseng root (balances immune system and suppresses development of cancer cells).
Rb1 - enhances digestion and nutrient absorption.
Rh - suppresses development of heart diseases, liver, lung and specific forms of breast cancers.
Rh2 - anti-fatigue, enhances memory and concentration.
Rg1,2,3 - soothe nerves, nootropic, allays stress-fatigue.
Rc, Rf, Rb3, etc.