What's the difference between decoction and extract?

Decoction


Definition:

  • (n.) The act or process of boiling anything in a watery fluid to extract its virtues.
  • (n.) An extract got from a body by boiling it in water.

Example Sentences:

  • (1) Cissus quadrangularis was mutagenic, while 'decoctions' of cumin seeds, aniseeds and ginger were not.
  • (2) The dissolution ratio of selenium in decoctions of each single crude drug is about 30-40%.
  • (3) The factors which influence decoction-making conditions are in the order of: volume greater than time greater than method.
  • (4) The depressed ERGs in the Yandi Decoction III treated group showed remarkable recovery during 6 weeks after starting treatment, comparing with that in the control group and the urokinase treated group (P less than 0.05).
  • (5) In this research, 74 patients with coronary heart disease (CHD) were grouped in matched-pair, one group took orally Inositol and Mai Tong as the control group, the other group took orally Yi Xin Decoction as the tested group.
  • (6) A simple method using ion-pair high-performance liquid chromatography was established for the rapid and precise determination of synephrine in oriental pharmaceutical decoctions containing Aurantii Nobilis Pericarpium.
  • (7) In order to further investigate the curative effect of Yi Xin Decoction and elucidate its mechanism, the authors have also investigated Yi Xin Decoction on the experimental mice with hyperlipemia.
  • (8) The results show that the dosage of gypsum should be 10-20 grams, preferably ground to at least 60 mesh powder, the fine powder over 60 mesh is not to be pre-decocted, but the coarse powder of 40 mesh needs pre-decocting.
  • (9) The root and stem decoctions of Sinomenium acutum Rehd.
  • (10) Herbal prostatitis decoction is a great effective prescription to treat chronic prostatitis in promoting the blood circulation and relieving the stasis.
  • (11) The content of calcium ion Ca2+ in gypsum decoction has been determined with coordination titration.
  • (12) This paper reported the results of clinical observation on a treatment with Semen Persical decoction for purgation with addition (SPDPA) in type II diabetes mellitus.
  • (13) Experiments with these decoctions were carried out to observe the action on isolated hearts of toads and the ECG and acute toxicity on mice.
  • (14) It is concluded that peroral administration of freshly prepared decocts of Zoapatle in early pregnancy exerts a distinct uterotonic effect and induces cervical dilatation and uterine bleeding.
  • (15) In this paper the contents and solubilities of copper, zinc, iron, calcium and magnesium in Siwu decoction and Liuwei Dihuang Decoction were studied.
  • (16) In Amazonian Peru and Ecuador leaf decoctions of the rainforest holly Ilex guayusa with high caffeine concentrations are used as a morning stimulant.
  • (17) Comparable action was obtained by Qingying Decoction prepared with water buffalo horn.
  • (18) Four prisoners drank a decoction of yew (Taxus baccata) needles containing the toxic alkaloid taxine++ B.
  • (19) The increased deposition of stone-forming constituents in the kidneys of calculogenic rats was lowered with decoction administration.
  • (20) The herbal decoction is to be taken 3 times daily before meals.

Extract


Definition:

  • (v. t.) To draw out or forth; to pull out; to remove forcibly from a fixed position, as by traction or suction, etc.; as, to extract a tooth from its socket, a stump from the earth, a splinter from the finger.
  • (v. t.) To withdraw by expression, distillation, or other mechanical or chemical process; as, to extract an essence. Cf. Abstract, v. t., 6.
  • (v. t.) To take by selection; to choose out; to cite or quote, as a passage from a book.
  • (n.) That which is extracted or drawn out.
  • (n.) A portion of a book or document, separately transcribed; a citation; a quotation.
  • (n.) A decoction, solution, or infusion made by drawing out from any substance that which gives it its essential and characteristic virtue; essence; as, extract of beef; extract of dandelion; also, any substance so extracted, and characteristic of that from which it is obtained; as, quinine is the most important extract of Peruvian bark.
  • (n.) A solid preparation obtained by evaporating a solution of a drug, etc., or the fresh juice of a plant; -- distinguished from an abstract. See Abstract, n., 4.
  • (n.) A peculiar principle once erroneously supposed to form the basis of all vegetable extracts; -- called also the extractive principle.
  • (n.) Extraction; descent.
  • (n.) A draught or copy of writing; certified copy of the proceedings in an action and the judgement therein, with an order for execution.

Example Sentences:

  • (1) The promoters of the adenovirus 2 major late gene, the mouse beta-globin gene, the mouse immunoglobulin VH gene and the LTR of the human T-lymphotropic retrovirus type I were tested for their transcription activities in cell-free extracts of four cell lines; HeLa, CESS (Epstein-Barr virus-transformed human B cell line), MT-1 (HTLV-I-infected human T cell line without viral protein synthesis), and MT-2 (HTLV-I-infected human T cell line producing viral proteins).
  • (2) A phytochemical investigation of an ethanolic extract of the whole plant of Echites hirsuta (Apocynaceae) resulted in the isolation and identification of the flavonoids naringenin, aromadendrin (dihydrokaempferol), and kaempferol; the coumarin fraxetin; the triterpene ursolic acid; and the sterol glycoside sitosteryl glucoside.
  • (3) Immunocompetence was also evident when the cells from thymectomized donors were first incubated with thymus extract for 1 hr and subsequently tested for reactivity.
  • (4) Consensual but rationally weak criteria devised to extract inferences of causality from such results confirm the generic inadequacy of epidemiology in this area, and are unable to provide definitive scientific support to the perceived mandate for public health action.
  • (5) The specific activities of extracts from cells grown under phototrophic and aerobic conditions were similar and not affected by the concentration of iron in the growth media.
  • (6) Recovery of CV-3988 from plasma averaged 81.7% for the column procedure and 40% for the organic extraction.
  • (7) This study was designed to investigate the localization and cyclic regulation of the mRNA for these two IGFBPs in the porcine ovary, RNA was extracted from whole ovaries morphologically classified as immature, preovulatory, and luteal.
  • (8) These effects are similar to those reported for AVP and phorbol esters, activators of protein kinase C. Forskolin and isoproterenol, which induce cAMP accumulation, activated extractable topoisomerase II (maximum 5-15 min after treatment), but not topoisomerase I. Permeable cyclic nucleotide analogs dBcAMP and 8BrcGMP selectively activated extractable topoisomerase II and topoisomerase I activities, respectively.
  • (9) Among them, the coumarins, rutins, Centella asiatica extracts, procyanoside oligomers are the most prescribed.
  • (10) Average fluoroscopy time per procedure was 27.8 minutes of which 15.1 minutes were for nephrostomy tube insertion and 12.7 minutes were for calculi extraction.
  • (11) We have compared two new methods (a solvent extraction technique and a method involving a disposable, pre-packed reverse phase chromatography cartridge) with the standard method for determining the radiochemical purity of 99Tcm-HMPAO.
  • (12) To further characterize the molecular forms of GnRH in each species, the extracts were injected into a high pressure liquid chromatograph (HPLC).
  • (13) Nine of the in vivo synthesized early polypeptides can be precipitated specifically from infected cell extracts by antisera with specificity against early adenovirus proteins.
  • (14) After absorption of labeled glucose, two pools of trehalose are found in dormant spores, one of which is extractable without breaking the spores, and the other, only after the spores are disintegrated.
  • (15) Charcoal particles coated with the lipid extract were prepared and the suspension inoculated intravenously into mice.
  • (16) Long term follow up of extracapsular extraction showed visual results superior to those previously reported for intracapsular extraction.
  • (17) The ability of cytoplasmic extracts to induce DNA synthesis in isolated, quiescent nuclei.
  • (18) The antigenic composition of an extract of rat dust, as a source of aeroallergens for rat-sensitive individuals, has been investigated and compared to the antigenic composition of rat saliva and urine.
  • (19) Ether extracts were analyzed by gas chromatography-mass spectrometry (GC-MS) and various chlorinated and non-chlorinated compounds were detected, e.g.
  • (20) Sequence specific binding of protein extracts from 13 different yeast species to three oligonucleotide probes and two points mutants derived from Saccharomyces cerevisiae DNA binding proteins were tested using mobility shift assays.