The invention discloses a Chinese herbal medicine composition for relieving hearing loss and a preparation method and use thereof. The Chinese herbal medicine composition is prepared from at least two of the medicinal and edible raw materials of rhizoma curcumae longae, Dendrobium nobile and fructus Piperis longi, can effectively reduce the content of NO secreted by cells, reduces cell inflammation, and has a good effect of relieving hearing loss induced by LPS. The Chinese herbal medicine composition is not a simple combination of traditional Chinese medicines and has a synergistic effect. The Chinese herbal medicine composition can significantly reduce ABR value, MDA, and glutamic acid of a patient with hearing loss, significantly relieves hearing loss, and can be developed into functional foods and medicines for relieving hearing loss as an active ingredient.

The present invention provides an extract of Dendrobii Caulis with eye care effect, wherein the extract of Dendrobii Caulis has an active ingredient including a picrotoxane-type sesquiterpene. The present invention further provides a pharmaceutical composition with eye care and a use of an extract of Dendrobii Caulis for preparing a pharmaceutical composition with eye care effect.

The present invention provides an extract of Dendrobii Caulis with eye care effect, wherein the extract of Dendrobii Caulis has an active ingredient including a picrotoxane-type sesquiterpene. The present invention further provides a pharmaceutical composition with eye care and a use of an extract of Dendrobii Caulis for preparing a pharmaceutical composition with eye care effect.

The present invention relates to a glucomannan with a molecular size of 730 kDa, called DOP, which was previously identified as the unique authentication marker of the expensive herb Dendrobium officinals, as the main component for combating fatigue in subjects in need thereof. In particular, the present invention provides the required dosage for DOP to provide a potent anti-fatigue effect, stronger than Rhodiola rosea extract, and has significant potential to form an anti-fatigue health product.

The present invention relates to a glucomannan with a molecular size of 730 kDa, called DOP, which was previously identified as the unique authentication marker of the expensive herb Dendrobium officinals, as the main component for combating fatigue in subjects in need thereof. In particular, the present invention provides the required dosage for DOP to provide a potent anti-fatigue effect, stronger than Rhodiola rosea extract, and has significant potential to form an anti-fatigue health product.

An application method of Dendrobium candidum in preparing a medicine for treating hypertension, includes: separately adding an adjuvant, according to a conventional medicine processing method, into Dendrobium candidum powder, or an extracting solution of Dendrobium candidum powder obtained by alcohol and water extraction, or a mixture of Dendrobium candidum powder and the extracting solution obtained by alcohol and water extraction, and preparing same as traditional Chinese medicine tablets, granules, suspended granules, pills, powder, or capsules, thereby obtaining a medicine for treating hypertension.

An application method of Dendrobium candidum in preparing a medicine for treating hypertension, includes: separately adding an adjuvant, according to a conventional medicine processing method, into Dendrobium candidum powder, or an extracting solution of Dendrobium candidum powder obtained by alcohol and water extraction, or a mixture of Dendrobium candidum powder and the extracting solution obtained by alcohol and water extraction, and preparing same as traditional Chinese medicine tablets, granules, suspended granules, pills, powder, or capsules, thereby obtaining a medicine for treating hypertension.

A Dendrobium officinale oligosaccharide, a Dendrobium officinale oligosaccharide derivative and a preparation method and use thereof. The Dendrobium officinale oligosaccharide includes 3-9 glycoside residues and a glucose residue at a non-reducing end; the derivative thereof is obtained by substituting with a hydrophobic residue at the non-reducing end; the preparation method and use of both are also provided.

A Dendrobium officinale oligosaccharide, a Dendrobium officinale oligosaccharide derivative and a preparation method and use thereof. The Dendrobium officinale oligosaccharide includes 3-9 glycoside residues and a glucose residue at a non-reducing end; the derivative thereof is obtained by substituting with a hydrophobic residue at the non-reducing end; the preparation method and use of both are also provided.

The present invention provides a method of improving chronic obstructive pulmonary disease and obesity using traditional Chinese medicine polysaccharides and bacterial composition thereof.