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According
to documentary records, banaba has been drunk as tea in almost
all over the Southeast Asia, not only in the Philippines but also
in Malaysia, Indonesia, Thailand, India and Nepal for more than
1,500 years. People have drunk banaba tea using banaba leaves from
house gardens or neighborhood when they have edema, dropsy, ulcer,
diabetes or when they are ill conditioned.
Thus, Banaba attracts widespread popularity from
old times. The long history of banaba tea having been drunk in
Southeast Asia
does prove safety of Banaba in Japan.
 In Japan, dietary supplements made
from banaba tea or banaba extract have been distributed since 1990’s.
The total amount of consumption of banaba tea is equal to one billion
of canned coffee. No complaint has been reported such as “I felt sick after
taking banaba dietary supplements.” or “An allergy
was caused by drinking banaba tea.” (Data of Banaba Health
Center)
![Banaba (Lagerstroemia speciosa [Lin] Pers.)](../images/safety_subhead2.gif)
According to a clinical trial conducted in
1999 under the supervision of then Prof. Yoshio Ikeda of Tokyo
Jikeikai Medical University
using “Banabamin tablet” containing 95? water extract
from banaba, no injurious phenomenon was observed in all of the
24 subjects. In the trial, BanabaMin tablet was valued to be safe.
Banaba extract was also valued to be safe in all of the cases
in single oral dose toxicity study of extract from banaba in rat
conducted in the same year.
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Specimen:banaba leaves | March
21.2001 | No.101030822-001
Experiment of Analysis Result Limit of Detection Analysis Method |
| BHC |
Not Detected |
0.02ppm |
G.C.Method |
| DDT |
Not Detected |
0.02ppm |
G.C.Method |
| Aldrin |
Not Detected |
0.01ppm |
G.C.Method |
| Dieldrin |
Not Detected |
0.01ppm |
G.C.Method |
| Endorin |
Not Detected |
0.01ppm |
G.C.Method |
| Parathion |
Not Detected |
0.05ppm |
G.C.Method |
Specimen: banabamin | February
13. 1997 | No.197012103-002
Experiment of Analysis Result Limit of Detection Analysis Method
|
| BHC |
Not Detected |
0.02ppm |
G.C.Method |
| DDT |
Not Detected |
0.02ppm |
G.C.Method |
| Aldrin |
Not Detected |
0.01ppm |
G.C.Method |
| Dieldrin |
Not Detected |
0.01ppm |
G.C.Method |
| Endorin |
Not Detected |
0.01ppm |
G.C.Method |
| The bacteria count less than300/g
Agar culture |
| Eschevichia coli negative/2.22g BGLB method |
Specimen: 95? water extract powder
from banaba | October 26. 2000 | No.100101518-001
Experiment of Analysis Result Limit of Detection Analysis Method |
| BHC |
Not Detected |
0.02ppm |
G.C.Method |
| DDT |
Not Detected |
0.02ppm |
G.C.Method |
| Aldrin |
Not Detected |
0.01ppm |
G.C.Method |
| Dieldrin |
Not Detected |
0.01ppm |
G.C.Method |
| Endorin |
Not Detected |
0.01ppm |
G.C.Method |
| Parathion |
Not Detected |
0.05ppm |
G.C.Method |
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We are currently looking for volunteers
to participate in our clinical research for banaba. Volunteers
must reside within Kansai or Kanto regions in Japan. Please
contact our office at 0773-25-4411 for more information.
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