CN110638827A - Application of NADH and its salt in preparing skin pigment inhibitor - Google Patents

Application of NADH and its salt in preparing skin pigment inhibitor Download PDF

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CN110638827A
CN110638827A CN201910988662.7A CN201910988662A CN110638827A CN 110638827 A CN110638827 A CN 110638827A CN 201910988662 A CN201910988662 A CN 201910988662A CN 110638827 A CN110638827 A CN 110638827A
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nadh
parts
extract
skin
nmn
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陈建生
段志刚
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Hong Boyuan Life Technology (shenzhen) Co Ltd
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Hong Boyuan Life Technology (shenzhen) Co Ltd
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Priority to PCT/CN2020/118815 priority patent/WO2021073426A1/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/70Carbohydrates; Sugars; Derivatives thereof
    • A61K31/7084Compounds having two nucleosides or nucleotides, e.g. nicotinamide-adenine dinucleotide, flavine-adenine dinucleotide
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    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/28Asteraceae or Compositae (Aster or Sunflower family), e.g. chamomile, feverfew, yarrow or echinacea
    • A61K36/284Atractylodes
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    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
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Abstract

The embodiment of the invention discloses an application of NADH and a salt thereof in preparing a skin pigment inhibitor. NADH and/or pharmacologically acceptable salts thereof can be used for preparing pharmaceutical compositions, health care compositions and cosmetic compositions for inhibiting skin pigment production. The NADH composition product of the present invention causes no side effects, is effective in inhibiting pigmentation in the skin, and is useful for preventing or treating skin diseases associated with pigmentation.

Description

Application of NADH and its salt in preparing skin pigment inhibitor
Technical Field
The invention relates to the technical field of medicines, health products or cosmetics, in particular to application of NADH in preparation of a skin-color pigment inhibitor.
Background
When skin is exposed to ultraviolet radiation, melanin is produced to protect skin cells from ultraviolet radiation. The generated melanin absorbs ultraviolet rays, thereby preventing the ultraviolet rays from penetrating into the skin. Thus, melanin is an important pigment for protecting skin cells, but if it is excessively produced, it is deposited on the skin and causes freckles. Freckles tend to be rejected from a cosmetic point of view, consumers are very interested in skin whitening agents, and ingredients having a whitening effect to inhibit the deposition of melanin on the skin are also actively developed. For example, it has been reported that niacinamide has an effect of inhibiting pigmentation caused by ultraviolet irradiation by inhibiting the transfer of melanosomes from melanocytes to keratinocytes, and oral intake of niacinamide can prevent pigmentation and inhibit the increase of freckles and chloasma caused by ultraviolet irradiation.
However, there has not been any study of the effect of NADH, especially reduced NADH, on skin pigmentation.
Disclosure of Invention
In view of the above problems, it is an object of the present invention to provide the use of NADH and its salts for the preparation of skin pigmentation inhibitors.
In the present invention, said NADH especially refers to beta-NADH, reduced Nicotinamide adenine dinucleotide (Nicotinamide adenine dinucleotide).
In one embodiment of the invention, said NADH and salts thereof are administered parenterally, including orally, and parenterally, including by injection.
In one embodiment of the invention, the single dose of NADH is 0.1-10 mg/kg, preferably 0.1-4 mg/kg, when orally administered. The daily frequency is 1-3 times, and the daily dosage is 0.1-30 mg/kg, preferably 0.1-12 mg/kg, more preferably 0.4-2 mg/kg. The single dose of NADH in the injection is 0.1-2 mg/kg, preferably 0.1-1 mg/kg. Wherein kg is the weight unit of the subject individual.
In one embodiment of the present invention, NADH is used in combination with excipients to make various dosage forms including, but not limited to, tablets, granules, powders, capsules, liquids, emulsions, lyophilized preparations, injections, suppositories, ointments, gels, inhalants, nasal preparations, enteral medicines, sprays, and the like.
The second technical object of the present invention is to provide a pharmaceutical composition or health care product composition for inhibiting skin pigmentation, which comprises NADH and/or a pharmacologically acceptable salt thereof as the only active ingredient.
In one embodiment of the present invention, the pharmaceutical composition or the nutraceutical composition further comprises pharmaceutically or dietetically acceptable excipients.
In one embodiment of the present invention, the pharmaceutical composition or the health product composition is prepared by mixing NADH with conventional pharmaceutical or dietary excipients and making into various dosage forms by a conventional method.
In one embodiment of the present invention, the pharmaceutical composition or the nutraceutical composition further comprises NMN (β -Nicotinamide monofulotide, β -Nicotinamide Mononucleotide) as an adjuvant to assist or enhance the pigment inhibition effect of NADH. The weight ratio of NADH or its salt to NMN in the composition is (1-10) to (1-10), preferably (1-3) to (1-3).
In one embodiment of the present invention, the pharmaceutical composition further comprises the following components as auxiliary active ingredients: atractylodis rhizoma extract, Poria extract, Corni fructus extract, Polyporus extract, semen astragali Complanati extract and Glycyrrhrizae radix extract.
In a more specific embodiment of the present invention, the pharmaceutical composition comprises the following components by weight: 1-10 parts of NADH, 1-10 parts of NMN, 1-10 parts of bighead atractylodes rhizome extract, 1-10 parts of poria cocos extract, 1-10 parts of dogwood extract, 1-10 parts of grifola umbellata extract, 1-10 parts of flatstem milkvetch seed extract and 1-10 parts of licorice extract.
In one embodiment of the present invention, the above pharmaceutical composition is preferably administered orally, by injection or transdermally.
In one embodiment of the present invention, the nutraceutical composition is administered by gastrointestinal administration or parenteral administration, wherein gastrointestinal administration includes oral administration, and parenteral administration includes injection.
It is a further object of the present invention to provide a cosmetic composition for inhibiting skin pigmentation, which comprises NADH and/or a pharmacologically acceptable salt thereof as the only active ingredient.
In one embodiment of the present invention, the cosmetic composition further comprises NMN as an adjuvant, and the weight ratio of NADH or its salt to NMN is (1-10) to (1-10).
In one embodiment of the present invention, the cosmetic composition further comprises a cosmetically acceptable adjuvant.
In one embodiment of the present invention, the cosmetic composition is administered transdermally.
The embodiment of the invention has the following beneficial effects:
ultraviolet light is an increasingly leading cause of oxidative damage to the skin. Ultraviolet B can directly act on DNA of skin cells, and ultraviolet a changes nuclear DNA and mitochondrial DNA mainly by generating oxygen radicals harmful to the human body, so that oxidative damage is always accompanied by aging and causes various problems of the skin such as yellowing, dullness, pigmentation of skin. And the ultraviolet rays can also cause the increase of melanocytes and further increase the skin pigmentation. In the technical scheme of the invention, nicotinamide adenine dinucleotide can increase the level of NAD + in a human body, so that skin DNA damage caused by Ultraviolet (UV) light is inhibited or prevented. And NADH is used as a natural hydrogen donor in the human body, and can further eliminate harmful oxygen free radicals in the human body. The invention uses NADH as an active ingredient in preparing medicines, health care products or cosmetics for inhibiting skin pigments, and the specific dosage can be determined according to the severity of the disease condition, the application route and related factors. The use of the composition product of the present invention causes no side effects, is effective in inhibiting pigmentation in the skin, and is useful for preventing or treating skin diseases associated with pigmentation.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to specific embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
In vitro experiment of the effect of NADH on the amount of melanin produced by cells:
adjusting the concentration of human melanoma cell A375 (purchased from Shenzhen university) to 1 × 105one/mL, seeded in 6-well plates, 2mL per well. After the adherence, the cells are grouped into 25-200 mu mol/L-1NADH treatment (sample group) of (1), control group with 200. mu. mol. L-1Native human type I collagen was treated, the blank was treated with normal saline, washed 3 times with pre-cooled PBS after 48h and scraped off and collected in sterile EP tubes. The melanin content was determined using the method of Tsuboi (1998): centrifuging at 1500rpm for 5min, discarding supernatant, lysing cells with 0.5mL of 1 mol. L-1NaOH solution containing 10% DMSO, ultrasonically crushing for 30min, performing water bath at 90 ℃ for 2h to completely lyse cell aggregates, centrifuging at 3000rpm for 15min, taking supernatant to a 96-well plate, measuring A value at 450nm of an enzyme labeling instrument, and calculating the relative content of melanin in cells, wherein the result is shown in Table 1.
Relative melanin synthesis content, a1/a0, where Al is the absorbance of the sample set and a0 is the absorbance of the blank set.
Table 1 relative content of melanin synthesis in each group
Group of Relative content of melanin synthesis
Blank group 1
Control group 0.58±0.62
25μmol·L-1NADH processing group 0.87±0.21
50μmol·L-1NADH processing group 0.79±0.57
100μmol·L-1NADH processing group 0.64±0.34
200μmol·L-1NADH processing group 0.51±0.83
As shown in Table 1, 25 to 200. mu. mol. L-1Concentration-dependent inhibition of melanin synthesis in melanoma cells (P < 0.05) with 200. mu. mol. L48 hours after NADH treatment of the melanoma cells in the range-1NADH has strongest inhibitory effect on melanin synthesis, and melanin content is reduced by about 49% (0.51 + -0.83; P)<0.01). Indicating that NADH has a significant effect in inhibiting melanin production by cells.
Example 2
Human trials of NADH in inhibiting skin melanin and reducing skin damage:
healthy 18 women aged 30-40 years were used as subjects, and randomized into 6 groups of 3 people each. Experimental group 4 group: within one hour before measurement respectively at the measurement partCoating the surface with 25-200 mu mol per liter-1NADH in the range, once per day. Control group 1: applying 200 μmol/L by the same method-1Kojic acid (1). Blank group 1 group: only physiological saline was applied. An opaque adhesive tape having a hole with a diameter of 1.5cm is attached to the upper arm of a subject, and ultraviolet B rays with a Minimum Erythema Dose (MED) of about 1.5 to 2 times of that of each subject are irradiated to induce skin blackening. Changes over time in the melanin index and erythema index after UV irradiation were measured with a spectrocolorimeter CM-1000.
The following measurements were made according to Mapekun et al "evaluation and analysis method of cosmetic functionality" (Chinese light industry Press, 1998): a light source is selected based on the absorption spectrum of hemoglobin and melanin in the skin by utilizing the specific reflection spectral characteristics of a pigment constituting skin color, 568nm and 655nm are used as two specific wavelengths, and the diffusion illumination/vertical light receiving method is referred to Japanese Industrial Standard JIS Z8722. The intensity of the reflected light was measured with a spectrocolorimeter (CM-1000) using a pulse neon lamp as a light source. The contact measurement diameter was 8 mm. The degree of erythema and pigmentation was calculated as an erythema index and a melanin index using the following formulas.
Erythema index ═ lg (1/G) -lg (1/R)
Melanin index lg (1/R)
In the formula: g-intensity of green light reflected, R-intensity of red light reflected.
The results are shown in tables 2 and 3, in which the numerical values represent the mean values of the measurements.
TABLE 2 Melanin index Table
Group of Day 0 7 days 14 days 21 days 28 days For 56 days
Blank group 50.2 53.6 57.1 62.5 65.7 69.5
Control group 50.2 51.7 55.4 58.1 61.9 65.3
25μmol·L-1NADH of 50.2 51.2 54.7 57.8 60.6 63.7
50μmol·L-1NADH of 50.2 51.0 54.1 57.3 60.2 63.2
100μmol·L-1NADH of 50.2 50.9 52.9 55.4 57.7 59.4
200μmol·L-1NADH of 50.2 50.5 52.0 54.1 56.0 58.6
TABLE 3 erythema index values
Group of Day 0 7 days 14 days 21 days 28 days For 56 days
Blank group 10.5 11.7 12.5 13.8 14.6 16.8
Control group 10.5 11.5 12.3 13.1 13.9 15.3
25μmol·L-1NADH of 10.5 11.3 12.0 12.6 13.5 14.7
50μmol·L-1NADH of 10.5 11.1 11.6 12.2 13.1 14.0
100μmol·L-1NADH of 10.5 10.8 11.0 11.7 12.8 13.7
200μmol·L-1NADH of 10.5 10.6 10.8 11.3 12.0 12.9
As can be seen from the data in Table 2, NADH is effective in inhibiting skin melanin; the results in Table 3 show that NADH can reduce the damage of ultraviolet rays to the skin and protect the skin.
Example 3
Discloses a pharmaceutical composition for inhibiting skin pigment by taking NADH as an active component:
mixing 5 parts of bighead atractylodes rhizome extract, 1 part of poria cocos extract, 3 parts of dogwood fruit extract, 4 parts of polyporus umbellatus extract, 1 part of semen astragali complanati extract and 1 part of liquorice root extract, adding 8 times of water by mass to dissolve the mixture, stirring the mixture uniformly, adding 5 parts of NADH and 5 parts of NMN, stirring the mixture uniformly and fully at room temperature, heating the mixture to 50 ℃, and concentrating the mixture in vacuum to obtain the composition. The composition is made into tablet with pharmaceutical adjuvants by conventional method.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.

Claims (10)

  1. The use of NADH and its salts in the preparation of skin pigment inhibitors.
  2. 2. The use of claim 1 wherein said NADH and salts thereof are administered parenterally, including orally, and parenterally, including by injection.
  3. 3. The use according to claim 2, wherein the single dose of NADH is 0.1 to 10mg/kg for oral administration and 0.1 to 2mg/kg for injection administration, and is administered 1 to 3 times per day.
  4. 4. The use of claim 1, wherein NADH as a skin pigmentation inhibitor is based on NADH increasing NAD + levels in the human body to inhibit or prevent DNA damage in the skin caused by uv light, and NADH acting as a natural hydrogen donor in the human body to further scavenge harmful oxygen free radicals in the human body.
  5. 5. A cosmetic composition for inhibiting skin pigmentation comprising NADH and/or a pharmacologically acceptable salt thereof as the only active ingredient.
  6. 6. The cosmetic composition according to claim 5, further comprising NMN as an adjuvant, wherein the weight ratio of NADH or a salt thereof to NMN is (1-10) to (1-10).
  7. 7. The cosmetic composition of claim 5, further comprising cosmetically acceptable adjuvants.
  8. 8. A pharmaceutical composition or nutraceutical composition for inhibiting skin pigmentation, characterized in that it has NADH and/or a pharmacologically acceptable salt thereof as the sole active ingredient.
  9. 9. The pharmaceutical or nutraceutical composition of claim 8, further comprising NMN as an adjuvant, wherein the weight ratio of NADH or its salt to NMN is (1-10) to (1-10).
  10. 10. The pharmaceutical composition or nutraceutical composition of claim 8, wherein the pharmaceutical composition comprises the following components in parts by weight: 1-10 parts of NADH, 1-10 parts of NMN, 1-10 parts of bighead atractylodes rhizome extract, 1-10 parts of poria cocos extract, 1-10 parts of dogwood extract, 1-10 parts of grifola umbellata extract, 1-10 parts of flatstem milkvetch seed extract and 1-10 parts of licorice extract.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021073426A1 (en) * 2019-10-17 2021-04-22 泓博元生命科技(深圳)有限公司 Application of nadh and salt thereof in preparation of skin pigment inhibitor
CN112791008A (en) * 2021-01-29 2021-05-14 中粮集团有限公司 Application of coenzyme in anti-aging beauty skin care product, skin care product containing coenzyme and preparation method of skin care product

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