New Material Proposal

Okinawa Lesser Yam

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Okinawa Lesser Yam
Okinawa lesser yam is a kind of yam,Dioscoreales in dioscoreaceae family.

Scientific Name: Dioscorea esculenta
They are native to tropical rainforest
in Southeast Asia and Indochina,
nowly eaten and cultivated inSoutheast Asia, Pacific Islands,
Western India or Africa. In Japan,cultivated in Okinawa though they
have low production.
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What Okinawa Lesser Yam is• In Okinawa, it is called “Ku-ga imo” or “Ryukyu jinenjo” soon.
• Regarded that it has an anti-fatigue effect and is rich innutrients.
• Lesser yam has a low production inasmuch as it is hard to
distribute with it in raw owing to rotting easily when it has
some blemishes surface.
• Lesser yam contains much more active ingredients,“diosgenin” compared with other yams.
• Owing to stem of lesser yam has thorns, called “toge dokoro”
in Japanese as well ( “thorns” referred as “toge” in Japanese) .

All rights reservedQuality Specification
Okinawa Lesser yam (Dioscoreaesculenta) powder

Okinawa Lesser yam (Dioscorea esculenta) extractpowder

Aerobic colony＜ 3,000 / g＜ 3,000 / g

Coli forms

Negative

Negative

Water activity＜ Aw0.5< Aw0.5

Remarks・ Sterilized and grinded Okinawa lesseryam・ Recommend to use as dietary
supplemental materials.

・ Extracted ingredient of Okinawa lesser yam.
・ Analyzed amount of diosgenin is over 0.05%.
・ Possible to use as dietary supplemental materials
and materials for drink as well.
・ Had tested muscle mass and forced swimming withmouse.

Attention(Allergen)

Okinawa lesser yam is a kind of yam which is recommended to remark as a allergen component.

Materials

Picture ofappearance

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Nutrients of Okinawa lesser yam powder
Okinawa lesser yam powder per 100g

Nutrients

Amino acid

Minerals
Fatty acid

Energy337 kcalProtein
6.9 g
Fat
1.4 g
Carbohydrate
78.9 g
Dietary fiber
9.5 g
Saccharide
69.4 gSodium63 mg
Salt equivalent
0.16 gPotassium
1770 mg
Calcium
92 mg
Magnesium
87.4 mg
Phosphorus
210 mgIron
7.6 mgZinc
1.3 mgCooper
0.5 mgManganese
0.46 mg
Saturated fatty acid
0.13 gNo detection < 0.05g
Trans fatty acidNo detection < 1mgcholesterol

ArgininelysineHistidine
Phenylalanine
Tyrosine
LeucineIsoleucine
Methionine
ValineAlanineGlycineProlineGlutamic acid
SerineThreonine
Aspartic acid
Tryptophan
CystineAll rights reserved

431 mg
76 mg
69 mg
262 mg
203 mg
392 mg
152 mg
93 mg
191 mg
243 mg232 mg
205 mg633 mg303 mg
189 mg598 mg
125 mg87 mg

Nutrients of Okinawa lesser yam extract powder
Okinawa lesser yam extract powder per 100g

Nutrients

Amino acid

Minerals
Fatty acid

Energy296 kcalProtein18.6 gFat
4.0 g
Carbohydrate
46.4 gSodium
360 mgSalt equivalent0.914 g
Potassium
8900 mg
Calcium
130 mgMagnesium
406 mgPhosphorus
720 mgIron
2.1 mgZinc
1.9 mgCooper
1.3 mgManganese
0.82 mg
Saturated fatty acid
0.65 gNo detection < 0.05g
Trans fatty acidcholesterol
2 mg

ArgininelysineHistidine
Phenylalanine
Tyrosine
LeucineIsoleucine
Methionine
ValineAlanineGlycineProlineGlutamic acid
SerineThreonine
Aspartic acid
Tryptophan
CystineAll rights reserved

3,010 mg
187 mg
168 mg
290 mg
210 mg
374 mg
173 mg73 mg
251 mg
432 mg
300 mg401 mg1,170 mg
504 mg289 mg
800 mg
121 mg
107 mgSafety of Okinawa lesser yam extract powder
Confirmed the safety of Okinawa lesser yam extract
owing to less eating experience.
Safety test

ResultAmes test

Negative

Single-dose toxicity
study with rat

Negative(dose: 2,000mg／kg)

Repeated-dose toxicity
study for 28 days withmouse

Negative(dose:1,000mg/kg/day)

All rights reservedMuscle growth action of Okinawa lesser yam
extract powder
Influence of Okinawa lesser yam extract powder to a volume of a hindleg with mouse aged 8-30 weeks
Volume of a hind leg（mm3）1300

Control1100

Okinawa lesser yam extract
powder（500mg/kg）

900

Muscle growth

700

500
300
8101214161820

Age of mouse

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2224262830（Test data from NIPPON FUNMATSU YAKUHIN Co., LTD.）

Boosting endurance action of Okinawa
lesser yam extract powder

Swimming time（min）

35

Influence of Okinawa lesser yam extract powder regarding totime of forced swimming （aged 12-30 weeks mouse）

Got moderately forlowering endurancewith aging process
by taking Okinawa
lesser yam extract
powder.

30252015ControlOkinawa lesser yam
extract powder（500mg/kg）

10121824
Mouse ageAll rights reserved30（Test data from NIPPON FUNMATSU YAKUHIN Co., LTD.）

Recovery from the fatigues by Okinawa
lesser yam extract powder
Time of recovery from the fatigues （min）

Influence of Okinawa lesser yam extract powder against the fatigue
after 15 minutes forced swimming. （aged 12-30 weeks mouse）
25
2015Control

By taking Okinawa
lesser yam extract
powder, decreased
the time needed forrecovery from thefatigues.

Okinawa lesser y
am extract powder（500mg/kg）

1050121824
Mouse age
All rights reserved30（Test data from NIPPON FUNMATSU YAKUHIN Co., LTD.）

In-house testing with Okinawa lesser yam tablet
Confirmed increasing muscle mass and losing body fat
percentage in the test with volunteers of employee fromKanehide Bio.

generalizedmuscle mass（kg）
Body fat (%)

Beforetaking
41.32

After 4weeks
42.37

Difference

28.21

27.57

0.64 DOWN

1.05 UP・ The data is the average of 27 people in women and men, aged 20’s to 60’s
・ Nothing difference in amount of physical activity between before taking the tablet and after taking.
・ Taking everyday the tablet contained equivalent 2g of okinawa lesser yam powder.
（Data from test in Kanehide Bio Co.,Ltd.)All rights reserved