What's the difference between abietic and abietin?

Abietic


Definition:

  • (a.) Of or pertaining to the fir tree or its products; as, abietic acid, called also sylvic acid.

Example Sentences:

  • (1) Plicatic and abietic acids both caused dose- and time-dependent lysis of alveolar epithelial cells.
  • (2) In the procedure described in this paper, the limit of detection was 0.001% for abietic acid and 0.015% for dehydroabietic acid.
  • (3) Hydrogenation of the conjugated double bonds of abietic acid decreases its susceptibility to air oxidation and would thus reduce the allergenicity of rosin.
  • (4) The growth inhibiting capacity of zinc oxide combined with ordinary rosin (Portuguese rosin), abietic acid or dehydroabietic acid was studied using two different methods.
  • (5) Our results suggest that plicatic acid, a unique constituent of cedar wood, and abietic acid, the major constituent in pine resin, can produce lytic damage to alveolar, tracheal, and bronchial epithelial cells.
  • (6) Negative responses were found for abietic acid, dehydroabietic acid, levopimaric acid, 7-oxodehydroabietic acid, monochlorodehydroabietic acid, dichlorodehydroabietic acid, pimaric acid, isopimaric acid, and sandaracopimaric acid.
  • (7) The abietic type of acids had a more pronounced antibacterial activity than the pimaric and labdane acids when the disc diffusion method was used but there was no inhibition of growth of Gram-negative bacteria.
  • (8) Sulphadiazine microcapsules were prepared by the solvent evaporation technique, using abietic acid as a wall-forming material.
  • (9) 9 oxidation products of abietic acid, dehydroabietic acid, and levopimaric acid were prepared synthetically to determine their sensitizing potential in guinea pigs.
  • (10) In general the combination of zinc oxide and dehydroabietic acid was a more potent antibacterial substance than the corresponding combination of zinc with rosin or abietic acid.
  • (11) The authors still show the microbial action of the abietic acid and confront it with that of the argyrophilic acid, the new antibiotic here reported.
  • (12) The role of abietic acid as the main sensitizer in colophony was confirmed in a case of contact dermatitis occurring in a sportsman with an acute eczematous reaction due to a leg bandage.
  • (13) When patch tested, patients sensitive to colophony showed no reactions to abietic acid which had been purified immediately before the test.
  • (14) In the modified FCAT method, sensitization was obtained with Portuguese colophony and when challenged with purified abietic acid, the animals showed no reaction.
  • (15) Abietic acid was isolated from rosin N Grade (ISI) by a simple process and the product was further standardized.
  • (16) There was also cross-reactivity with colophony and abietic acid.
  • (17) Six out of seven tested strains of mycobacteria transformed abietic acid to methyl abietate in shake culture.
  • (18) An Alcaligenes species, which was isolated from soil, can utilize abietic acid as its sole carbon source.
  • (19) This supports studies of contact dermatitis which have suggested abietic and dehydroabietic acid oxidants to be the cause of colophony induced allergic reactions.
  • (20) 15-Hydroperoxyabietic acid was identified as one of the main allergens, apparently formed by air oxidation of abietic acid.

Abietin


Definition:

  • (n.) Alt. of Abietine

Example Sentences:

Words possibly related to "abietic"

Words possibly related to "abietin"