Is Dendrobium cold in nature?

Many people may not have heard of Dendrobium, but this substance can be used as a Chinese medicinal material after a period of drying. It can be used to treat many very common diseases. The most important thing is that it can achieve the effect of nourishing yin and clearing heat. This also shows that this Chinese medicinal material is cold in nature. Therefore, people with a cold constitution should try not to take this medicine.

Dendrobium, the name of a traditional Chinese medicine. It is the fresh or dried stems of cultivars of Dendrobium nobileLindl., Dendrobium chrysotoxumLindl. or Dendrobium fimbriatumHook. of the Orchidaceae family and similar species of plants of the same genus. It has the effects of nourishing the stomach, producing body fluid, nourishing yin and clearing away heat. It is commonly used for damage to body fluid due to febrile disease, dry mouth and thirst, insufficient stomach yin, loss of appetite and dry retching, persistent fever after illness, yin deficiency and excessive fire, bone steaming and fatigue fever, blurred vision, and weakness of tendons and bones.

Sweet in taste, slightly cold in nature.

1. For the treatment of the condition in which the divine water is wide and gradually disperses, and the patient feels dizzy as if walking in fog and dew, gradually sees black spots in the air, gradually sees objects become two bodies, and the light disappears after a long time, and the divine water is light green or light white, as well as cataracts: roasted asparagus, ginseng, and poria, each 2 liang, fried schisandra, half a liang, rabbit silk seed (soaked in wine), 7 qian, dried chrysanthemum, 7 qian, ophiopogon, 1 liang, and cooked rehmannia, 1 liang

7.5 qian of almonds, 7 qian of dried yam and wolfberry each, 7 qian of Achyranthes bidentata, 1 liang of raw Rehmannia root, Tribulus terrestris, Dendrobium candidum, Cistanche deserticola, Ligusticum chuanxiong, roasted licorice, Citrus aurantium (fried with bran), 5 qian each of Amaranthus amaranthus, Saposhnikovia divaricata, and Coptis chinensis, 8 qian of Cassia tora, 0.5 liang of black rhinoceros horn, and 0.5 liang of antelope horn. Grind into fine powder, make pills with refined honey, the size of tung nuts. Take 30 to 50 pills each time, with warm wine or salt water. ("Original Machine Qiwei" Dendrobium Night Light Pills)

2. To treat the condition in which the eyes are clear during the day but dark and unable to see at night, which is called "quemu". Take one liang each of Dendrobium and Epimedium (filed), and half a liang of Atractylodes (soaked in rice water, cut, and roasted). Grind into fine powder, take three spoonfuls each time, mix with rice drink before meals, take twice a day. (Shihu powder from Shengji Zonglu)

1. Properties of medicinal materials:

Fresh Dendrobium: cylindrical or oblate cylindrical, about 30cm long and 0.4-1.2cm in diameter. The surface is yellow-green, smooth or with longitudinal stripes, with obvious nodes, darker color, and membranous leaf sheaths on the nodes. The flesh is juicy and breaks easily. It has a slight odor, tastes slightly bitter with a sweet aftertaste, and feels sticky when chewed.

Dendrobium nobile: It is flat cylindrical, 20-40cm long, 0.4-0.6cm in diameter, and the internode length is 2.5-3cm. The surface is golden yellow or yellow with green, with deep vertical grooves. It is hard and brittle, with a flat and loose cross section. It has a faint smell and a bitter taste.

Dendrobium chrysotoxum: It is in the shape of a coarse spindle, with a diameter of 1 to 3 cm in the middle and 3 to 7 nodes. The surface is smooth, golden yellow, with obvious raised edges. It is light and crispy, with a spongy cross section. It has a slight odor, light taste, and is sticky when chewed.

Dendrobium fringed: Long cylindrical, 20 to 150 cm long, 0.4 to 1.2 cm in diameter, with obvious nodes and internodes 2 to 6 cm long. The surface is yellow to dark yellow with deep longitudinal grooves. The texture is loose, and the cross section is flat or fibrous. The taste is light or slightly bitter, and it feels sticky when chewed.

2. Properties of the decoction pieces:

Dried Dendrobium: flat cylindrical or cylindrical segments. The surface is golden yellow, greenish yellow or brownish yellow, shiny, with deep longitudinal grooves or ridges, and some have visible brown nodes. The cut surface is yellowish white to yellowish brown, with numerous scattered vein spots. It has a slight odor, a light or slightly bitter taste, and is sticky when chewed.

Fresh Dendrobium: cylindrical or oblate cylindrical segments. Diameter 0.4～1.2cm. The surface is yellow-green, smooth or has longitudinal stripes, and the flesh is juicy. It has a slight odor, tastes slightly bitter with a sweet aftertaste, and feels sticky when chewed.