Dioscorea septemloba

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P432 2.jpg

Nomenclature

Other Names:

Historical Use of Dioscorea septemloba

Dioscorea septemloba in Traditional Chinese Medicine

Background

Chinese Name (pinyin): Mianbixie

Chinese Name  :

Common Name  :Sevenlobed Yam Rhizome

Specific Name  : Rhizoma dioscoreae septemlobae

Scientific Name:
Collection  : The drug is collected in autumn and winter, removed from fibrous root, washed clean, cut into slices and dried in the sun.

Description  : Irregularly oblique slices,, border uneven, varying in size, about 2 - 5 mm thick, externally yellowish brown or brownish black, sparsely bearing remains of fibrous roots, protruding conically. Cut surface greyish white to pale greyish brown, Yellowish brown spots of vascular bundles scattered. Texture loose, somewhat spongy, odour slight, taste slightly bitter.

Identification  : Powder: Pale yellowish brown, starch granules abundant, simple starch granules ovoid, ellipsoidal, sub spherical, triangular or irregular, some acute at one end, some knotty, 10 - 70 µm in diameter, hilum cleft like, V shaped, pointed, striations mostly indistinct. Needles of the calcium oxalate in bundles, 90 - 210 µm long. Parenchymatous cells polygonal, ellipsoid or rectangular, walls slightly thickened, pits distinct. Cork cells brownish yellow, polygonal, walls straight.

Processing  :

Action  : To remove turbid damp, and to relieve rheumatic conditions.

Indication  : gonorrhea with whitish discharge from the urethra, excessive leukorrhea; ulcers caused by damp-heat; arthalgia of the lumbar spine and knees

Precautions  :

Dosage  : 9 to 15 g.

Storage  : Preserve in a ventilated and dry place.

P432 2.jpg

Nomenclature

Other Names:

Historical Use of Dioscorea septemloba

Dioscorea septemloba in Traditional Chinese Medicine

Background

Chinese Name (pinyin): Mianbixie

Chinese Name  :

Common Name  :Sevenlobed Yam Rhizome

Specific Name  : Rhizoma dioscoreae septemlobae

Scientific Name:
Collection  : The drug is collected in autumn and winter, removed from fibrous root, washed clean, cut into slices and dried in the sun.

Description  : Irregularly oblique slices,, border uneven, varying in size, about 2 - 5 mm thick, externally yellowish brown or brownish black, sparsely bearing remains of fibrous roots, protruding conically. Cut surface greyish white to pale greyish brown, Yellowish brown spots of vascular bundles scattered. Texture loose, somewhat spongy, odour slight, taste slightly bitter.

Identification  : Powder: Pale yellowish brown, starch granules abundant, simple starch granules ovoid, ellipsoidal, sub spherical, triangular or irregular, some acute at one end, some knotty, 10 - 70 µm in diameter, hilum cleft like, V shaped, pointed, striations mostly indistinct. Needles of the calcium oxalate in bundles, 90 - 210 µm long. Parenchymatous cells polygonal, ellipsoid or rectangular, walls slightly thickened, pits distinct. Cork cells brownish yellow, polygonal, walls straight.

Processing  :

Action  : To remove turbid damp, and to relieve rheumatic conditions.

Indication  : gonorrhea with whitish discharge from the urethra, excessive leukorrhea; ulcers caused by damp-heat; arthalgia of the lumbar spine and knees

Precautions  :

Dosage  : 9 to 15 g.

Storage  : Preserve in a ventilated and dry place.

P432 2.jpg

Nomenclature

Other Names:

Historical Use of Dioscorea septemloba

Dioscorea septemloba in Traditional Chinese Medicine

Background

Chinese Name (pinyin): Mianbixie

Chinese Name  :

Common Name  :Sevenlobed Yam Rhizome

Specific Name  : Rhizoma dioscoreae septemlobae

Scientific Name:
Collection  : The drug is collected in autumn and winter, removed from fibrous root, washed clean, cut into slices and dried in the sun.

Description  : Irregularly oblique slices,, border uneven, varying in size, about 2 - 5 mm thick, externally yellowish brown or brownish black, sparsely bearing remains of fibrous roots, protruding conically. Cut surface greyish white to pale greyish brown, Yellowish brown spots of vascular bundles scattered. Texture loose, somewhat spongy, odour slight, taste slightly bitter.

Identification  : Powder: Pale yellowish brown, starch granules abundant, simple starch granules ovoid, ellipsoidal, sub spherical, triangular or irregular, some acute at one end, some knotty, 10 - 70 µm in diameter, hilum cleft like, V shaped, pointed, striations mostly indistinct. Needles of the calcium oxalate in bundles, 90 - 210 µm long. Parenchymatous cells polygonal, ellipsoid or rectangular, walls slightly thickened, pits distinct. Cork cells brownish yellow, polygonal, walls straight.

Processing  :

Action  : To remove turbid damp, and to relieve rheumatic conditions.

Indication  : gonorrhea with whitish discharge from the urethra, excessive leukorrhea; ulcers caused by damp-heat; arthalgia of the lumbar spine and knees

Precautions  :

Dosage  : 9 to 15 g.

Storage  : Preserve in a ventilated and dry place.

Synonymns for Dioscorea septemloba

Patent Medicines and Medicines with Multiple Ingredients that include Dioscorea septemloba

Pharmaceutical Information

Chemical Constituents

Evidence or the Use of Dioscorea septemloba in the Treatment of Epilepesy

Basic Science

Animal Studies

Cohort, Case-Control and Non-Randomized Trials

Randomized Controlled Trials

Meta-Analysis

1st Five Results: pubmed search

Joo Tae Hwang, Ki-Sun Park, Jin Ah Ryuk, Hye Jin Kim, Byoung Seob Ko
##Title##
Molecules: 2019, 24(22);
[PubMed:31698850] [WorldCat.org] [DOI] (I e)

Tao He, Yi Liu, Rui-Feng Xiong, Xiao-Yu Li, Shou-Feng Wang, Chun-Ru Cheng
A new phenanthropyran and a new biphenanthrene from the rhizomes of Dioscorea septemloba and their antioxidant activities.
Nat. Prod. Res.: 2019;1-6
[PubMed:30887832] [WorldCat.org] [DOI] (I a)

Yi Zhang, Lijun Jin, Jinchang Liu, Wei Wang, Haiyang Yu, Jian Li, Qian Chen, Tao Wang
Effect and mechanism of dioscin from Dioscorea spongiosa on uric acid excretion in animal model of hyperuricemia.
J Ethnopharmacol: 2018, 214;29-36
[PubMed:29233733] [WorldCat.org] [DOI] (I p)

Yi Zhang, Jingya Ruan, Jian Li, Liping Chao, Wenzhong Shi, Haiyang Yu, Xiumei Gao, Tao Wang
Bioactive diarylheptanoids and stilbenes from the rhizomes of Dioscorea septemloba Thunb.
Fitoterapia: 2017, 117;28-33
[PubMed:28065697] [WorldCat.org] [DOI] (I p)

Yi Zhang, Liping Chao, Jingya Ruan, Chang Zheng, Haiyang Yu, Lu Qu, Lifeng Han, Tao Wang
Bioactive constituents from the rhizomes of Dioscorea septemloba Thunb.
Fitoterapia: 2016, 115;165-172
[PubMed:27984165] [WorldCat.org] [DOI] (I p)

Safety

Allergies

Side Effect and Warnings

Pregnancy and Breastfeeding

Adverse Effects