Anti-aging composition comprising a plant extract
a technology of composition and plant extract, applied in the field of anti-aging composition, can solve the problems of rapamycin having many negative side effects on the organism, no treatment is known that delays the aging of the entire organism, and its implementation in humans is unlikely to be achieved, so as to prolong the longevity of the subj
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example i
Identification of Previously Unknown Natural Anti-Aging Plant Extracts
[0076]The wild-type strain of the yeast S. cerevisiae BY4742 was cultured in a synthetic minimal YNB medium initially containing 2% glucose and supplemented with 20 mg / I histidine, 30 mg / I leucine, 30 mg / I lysine and 20 mg / I uracil. For assessing the longevity-extending efficiency of a plant extract, it was added at one of the following concentrations:
[0077]concentration “0”—i.e., only ethanol, a solvent used as a vehicle for delivering various compounds into a cell, was added at a final concentration of 0.5%, 1.5%, 2.5% or 5%; and
[0078]concentrations 0.1%, 0.3%, 0.5% or 1% of plant extract in 0.5%, 1.5%, 2.5% or 5% ethanol (final concentration), respectively.
[0079]Cells were cultured at 30° C. with shaking. A sample of cells was taken from a culture every day. A fraction of the sample was diluted in order to determine the total number of cells using a haemocytometer.
[0080]Another fraction of the cell sample was d...
example ii
Plant Extracts from Different Commercial Sources Exhibit Similarly High Anti-Aging Effects
[0083]To be sure that the extraction process is not a limitation, each of the 6 positive plant extracts was obtain from different commercial sources and assays was done like described in the Example I. Similar high anti-aging effects were seen with all commercial sources (Table 1). These data provide evidence that the extraction process and the commercial source are not limiting factors for the previously unknown potent anti-aging plant extracts described herein.
TABLE 1Plant extracts from different commercial sourcesexhibit similarly high anti-aging effects.Different commercial sourcesAmean / maxPlant extractslifespan (%)BCDEFGBlack Cohosh195 / 100similarsimilarValerian185 / 87 similarsimilarsimilarsimilarsimilarsimilarPassion flower180 / 80 similarsimilarsimilarsimilarsimilarsimilarGinkgo biloba145 / 104similarsimilarsimilarsimilarsimilarsimilarCelery seed160 / 107similarsimilarsimilarWhite willow475 / 369s...
example iii
Beneficial Effects Between Combinations of Different Plant Extracts
[0084]Because aging is known to be modulated by several signaling pathways that are controlled by different chemical compounds, the most efficient anti-aging approach is to use mixes of multiple natural products (such as plant extracts) that are capable of modulating different signaling pathways of longevity regulation. Some of these mixes are expected to provide improved beneficial effects when combined (i.e. mutually amplifying) effects on longevity. To identify the potential beneficial effects between the different combinations of anti-aging plant extracts presented at the Example I, different pairwise combinations of these extracts were tested.
[0085]For assessing the longevity-extending efficiency of each pair of one of the anti-aging plant extracts identified in Example I, each of them was added with another one at different concentrations. The different mixes of plant extracts were assessed for their effects on...
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