Healthy subjects
Conditions
Interventions
Intake of placebo foods(once a day for 8 weeks)
Intake of foods containing turmeric extract(once a day for 8 weeks)
Intake of foods containing turmeric extract and curcumin (once a day for 8 weeks)
Sponsors
House Wellness Foods Corporation Research and Development Institute
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1)Healthy male and female aged 20 to 60 years old 2)Those whose skin photo type corresponds to Type II or III of Fitzpatrick 3)Those who have erythema on the back skin after UV irradiation 4)Those who show written consent from participating in trial 5)Those who can visit the institution in scheduled date 6)Those who agreed in writing after fully understanding the purpose and contents of this trial
Exclusion criteria
Exclusion criteria: Those who 1)have been diagnosed with photosensitivity 2)taking drugs that affect the light sensitivity of the skin 3)taking drugs, quasi-drugs, health foods, supplements that emphasizes or promotes efficacy related to the effectiveness examined in this study or joint pain improvement 4)were judged to have a skin disease of the evaluation site by the doctor 5)are using drugs or quasi-drugs that may affect the results of the trial 6)already regularly use cosmetics, foods or supplements that may affect the results of the trial 7)drinks much alcohol, or are heavy smokers 8)have risk of allergies to drugs and foods 9)are hospitalized in dermatology department 10)have factors that may affect the results of the trial on the evaluation site 11)have subjective symptoms of advanced anemia 12)receiving medical treatment at a medical institution for treatment or prevention of diseases, or judged to be in a condition requiring treatment 13)have past or current medical history 14)have received skin care treatment or massage for the evaluation site within the past 4 weeks or are scheduled to receive during the trial period 15)have been exposed to UV beyond daily living such as long-term work outdoors, exercise, sea bathing, tanning salon, etc. during the past 2 months, or planned during the trial period 16)have irregular or disturbed life rhythms such as night shifts and shift work 17)are participating in other trial, have participated in the past 4 weeks or plan to participate in other trial during scheduled period in this trial. 18)are difficult to maintain lifestyle during the trial period 19)are lactating at the time of consent acquisition, pregnant or may be pregnant, or wish to be pregnant during the trial period 20)are difficult to menstruation 21)are difficult to fill in the subject diary 22)are judged inappropriate for participating in the trial by the doctor or investigator of this trial
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| water content of the stratum corneum(face) transepidermal water loss(face) minimal erythema dose of ultraviolet irradiated area(back) at 0,4,and 8-week ingestion period | — |
Secondary
| Measure | Time frame |
|---|---|
| color difference(face) elasticity(face) water content of the stratum corneum of ultraviolet irradiated area(back) transepidermal water loss of ultraviolet irradiated area(back) questionnaire(Subjective symptoms of skin condition) questionnaire(Subjective symptoms of body condition) questionnaire(Subjective symptoms of mood condition) at 0,4,and 8-week ingestion period | — |
Countries
Japan
Contacts
Public ContactTatsuya Ohara
House Wellness Foods Corporation Research and Development Institute
Outcome results
None listed