지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2001.12
- 수록면
- 38 - 47 (10page)
이용수
초록· 키워드
오류제보하기
L-theanine is a unique amino acid, found almost solely in tea plants. It is the main component responsible for the exotic taste of green tea. In our studies of L-theanine, we have found a variety of biological activities including relaxation and the alleviation of PMS.
In general, animals generate very weak electric pulses on the surface of the brain, called brain waves. Brain waves are classified into four types, namely α, β, δ and θ-waves, based on their frequency. Brain waves correlate with individual mental conditions. For example, generation of α-waves is considered an index of relaxation. In human volunteers, a-waves were generated on the occipital and parietal regions of the brain surface within 40 minutes after the oral administration of 50 or 200 ㎎ Suntheanine™ without causing drowsiness.
Premenstrual Syndrome (PMS) is a symptom unique to women which appears in the luteal phase from the ovulation period through the first day of menstruation. It possesses characteristics of having a peak just prior to menstruation and disappearing 1 - 2 days following the start of menstruation. Symptoms of PMS are generally categorized as mental, physical and social symptoms. When comparing the reported Symptoms of PMS by the methods of MDQ score, the Suntheanine™ group was found to have a lower incidence of PMS symptoms, including physical, mental and social symptoms. Overall, a significant alleviation of PMS symptoms by the administration of 200 ㎎ Suntheanine™ was observed.
With the successful industrial production of L-theanine, we are now able to supply Suntheanine™, offering a tremendous opportunity for designing functional foods targeting relaxation and the alleviation of PMS.
In general, animals generate very weak electric pulses on the surface of the brain, called brain waves. Brain waves are classified into four types, namely α, β, δ and θ-waves, based on their frequency. Brain waves correlate with individual mental conditions. For example, generation of α-waves is considered an index of relaxation. In human volunteers, a-waves were generated on the occipital and parietal regions of the brain surface within 40 minutes after the oral administration of 50 or 200 ㎎ Suntheanine™ without causing drowsiness.
Premenstrual Syndrome (PMS) is a symptom unique to women which appears in the luteal phase from the ovulation period through the first day of menstruation. It possesses characteristics of having a peak just prior to menstruation and disappearing 1 - 2 days following the start of menstruation. Symptoms of PMS are generally categorized as mental, physical and social symptoms. When comparing the reported Symptoms of PMS by the methods of MDQ score, the Suntheanine™ group was found to have a lower incidence of PMS symptoms, including physical, mental and social symptoms. Overall, a significant alleviation of PMS symptoms by the administration of 200 ㎎ Suntheanine™ was observed.
With the successful industrial production of L-theanine, we are now able to supply Suntheanine™, offering a tremendous opportunity for designing functional foods targeting relaxation and the alleviation of PMS.
목차
Abstract
INTRODUCTION
CONCLUSIONS
References
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