4, 14, 15 This study is therefore aimed at investigating the effects of a standardized rose hip powder (Hyben Vital®) containing equal amounts (1 1 in volume) of R. canina seeds and shells (red pseudo fruit flesh) on markings of aging in skin cells.
A total of 34 healthy subjects, aged 35 65 years, with wrinkles on the face (crow's-feet) were subjected to a randomized and double-blinded clinical study of the effects of the rose hip powder, as compared to astaxanthin, a well-known remedy against wrinkles.
The apparent stabilizing effects of the rose hip product on cell membranes of stored erythrocyte cells observed in this study may contribute to improve the cell longevity and obstructing skin aging.
Exclusion of the eight participants who were on statin treatment in the analyses resulted in more pronounced cholesterol-lowering effects of rose hip, that is, a reduction of total cholesterol by 5.5% (P=0.0039; n=19) and a reduction of LDL cholesterol by 8.6% (P=0.0057; n=19).
Others might consider the effect to be an act that has the scent of a rose as its intentional object, or an act of feeling a certain way ("rose-scentedly").
For the study on the effects of rose hip powder on cell longevity, plastic bottles with 250 g of rose hip powder containing seeds and shells were delivered by Hyben Vital International, Langeland, Denmark, directly to the study subjects.
Also, the present study, designed to represent a first proof-of-concept study of possible metabolic effects of rose hip in humans, was performed in obese individuals with no diabetes and with only a few glucose-intolerant participants.
For the comparative study of the effects of rose hip compared to astaxanthin on the skin, six capsules containing either a total amount of 3 g of FDA approved dietary supplement – rose hip powder (trade name: Hyben Vital/Hi-flex® rose hip powder) with seeds and shells or similar amount of capsules containing a total amount of 4 mg astaxanthin was supplied.
Chinese roses (Rosa chinensis), a salt-sensitive species, were planted in the reclaimed soil under field conditions to determine the effects of salinity on rose growth and ion uptake, using five salinity levels of 0.8, 3.1, 4.7, 6.3 and 7.8 dS/m of drip irrigation.
The data are consistent with the described effects of rose hip constituents on the activity of COX isozymes [ 22, 23].
