What's the difference between pomace and pumice?

Pomace


Definition:

  • (n.) The substance of apples, or of similar fruit, crushed by grinding.

Example Sentences:

  • (1) The degradatin of the starch which occurs during production depends to a great extent upon the conditions of pomace digestion.
  • (2) Forty-eight female Wistar rats initially weighing about 75 g were fed for 28 days on the same semi-synthetic diet containing: virgin olive oil, or a mixture of canbra oil (50%), refined olive-pomace oil (20%), grapeseed oil (20%) and animal fat (10%), or the same dietary mixture supplemented with either 700 ppm oleoanilides or the alleged toxic oil.
  • (3) Various economical and readily available organic and inorganic amendments were tested for their capacity to enhance the microbial process, including Citrus (orange) peel, Vitis (grape) pomace, feedlot manure, barley straw, chitin, pectin, ZnSO4, (NH4)2SO4, and an inoculum of Acremonium falciforme (an active Se methylating fungus).
  • (4) Pectin (15.2%), straw plus N (16.4%), and grape pomace (7.3%) were among the less effective amendments for the Peck sediment.
  • (5) Nutritional evaluation of dried tomato pomace (DTP-20) as a source of protein was carried out using weanling rats.
  • (6) There was an increase of about 50% in protein content of the pomace after 96 h of fermentation.
  • (7) Not to mention the sale of unbottled tsipouro – home-distilled pomace spirit – or who can legally own a pharmacy.
  • (8) Fiber sources tested included beet pulp (BP), tomato pomace (TP), peanut hulls (PH), wheat bran (WB) and alkaline hydrogen peroxide-treated wheat straw (AHPWS).
  • (9) The physico-chemical changes during the submerged fermentation of the pomace and the organoleptic qualities of the composite cake were also monitored.
  • (10) The effect of two dehydrated apple products (10% in diet)--apple pulp (crude fibre 3.5%, pectin 1.4%) and apple pomaces (crude fibre 13.5%, pectin 7%)--on the serum and liver lipids of growing Syrian male hamsters were studied.
  • (11) The use of biodegraded cashew pomace processed into flour for cake baking was investigated.
  • (12) Two experiments were conducted to determine the effects of heat, water, acid, and alkali treatment of tomato pomace on gain, feed to gain ratio, nitrogen utilization, and ME of diets for broiler chicks.
  • (13) Apple juice, dried pomace, and applesauce contained more ETU than the EBDC-treated apples, from which these products were produced.
  • (14) The second experiment was designed to test the effect of alkali concentration and treatment time of tomato pomace on the performance of broiler chicks.
  • (15) In Experiment 1, both treated and untreated tomato pomace was included in broiler diets at a 10 or 20% level.

Pumice


Definition:

  • (n.) A very light porous volcanic scoria, usually of a gray color, the pores of which are capillary and parallel, giving it a fibrous structure. It is supposed to be produced by the disengagement of watery vapor without liquid or plastic lava. It is much used, esp. in the form of powder, for smoothing and polishing. Called also pumice stone.

Example Sentences:

  • (1) A new method, not previously recommended, involving the use of a green rubber wheel followed by pumice or composite finishing paste was similarly examined and found to come closest to restoring the original, natural enamel surface.
  • (2) Radiograms of the cranium show a "pumice-stone" appearance of the dome and deformation of the sella turcica.
  • (3) This layer can be removed by thorough pumicing or by grinding.
  • (4) Also, fewer bacteria were recovered from vigorously-pumiced, molar-tooth surfaces 24 h after application of albumin compared to buffer-treated controls.
  • (5) Ragwheels and pumice samples were collected and cultured, the results of which mandate the need for infection control guidelines for the dental laboratory.
  • (6) Scanning electron micrographs, surface profile tracings, surface roughness recordings, and statistical analysis of data support the finding that the best surface finish is obtained when sandblasting, hard stone, medium abrasive disk, second sandblasting, electropolishing, hard rubber point, hard felt disk with pumice slurry, and felt disk and soft brush with polishing paste are used progressively.
  • (7) Finishing was done with wet pumice and cup, wet pumice and a brush, a grit rubber polishing point, and an aluminum oxide- coated disc.
  • (8) Method I consisted of green stone, followed in sequence by finishing bur and pastes of pumice, powdered chalk, and SnO2.
  • (9) Various abrasive materials, such as pumice, polyethylene, and aluminum oxide are widely used as adjuncts in the therapy of acne.
  • (10) Pumice and air-powder polishing gave a similar reduction of the sonic scaling roughness.
  • (11) The occlusal surface was (1) air polished for 20 seconds, (2) cleaned with pumice for 20 seconds, or (3) not cleaned.
  • (12) All patients received a subgingival scaling and pumice by a hygienist every 6 months.
  • (13) Test teeth were cleaned with pumice and 10% alcohol, air-dried, and insulated at the approximal surfaces with strips of rubber dam.
  • (14) Thus, pumicing is a necessary final step with all removal procedures studied.
  • (15) The mean CO2 output during anaesthesia in paralyzed patients can be monitored by continuous capnographic analysis of the total exhaled gases, the latter being mechanically integrated by pumice canisters.
  • (16) Food particles (wheat flour, fishmeal or yeast) were ingested approximately 3 times faster than inert particles (kaolin, pumice or synthetic cellulose).
  • (17) However, when the surface of the etched enamel was pumiced, the enamel reacquired both the shine and appearance of non-etched enamel.
  • (18) Samples of used dental laboratory pumice from the two dental laboratories were cultured for the isolation of fungi.
  • (19) A flat enamel surface was obtained with 600-grit silicon carbide paper and cleaned with a rubber cup and a water slurry of fine flour of pumice.
  • (20) The rubbing application of a hydrochloric acid-pumice mixture has been advocated for the removal of fluorotic-like areas of permanent teeth.

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