BARK EXTRACTIVES ANALYSIS OF FIVE IRANIAN HARDWOOD SPECIES

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TORKMAN J.; MIRSHOKRAYI A.; RESALATI H.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: IRANIAN JOURNAL OF NATURAL RESOURCES Year:2002 | Volume:55 | Issue:3 Page(s): 397-405

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Information Journal Paper

Title

BARK EXTRACTIVES ANALYSIS OF FIVE IRANIAN HARDWOOD SPECIES

Author(s)

TORKMAN J. | MIRSHOKRAYI A. | RESALATI H. | Issue Writer Certificate

Keywords

EXTRACTIVESQ4

HYDROPHILIC COMPOUNDSQ4

LIPOPHILIC COMPOUNDSQ2

TANNINSQ4

FLAVONOIDSQ4

GAS CHROMATOGRAPHYQ4

MASS SPECTOMERTRYQ4

Abstract

To analyse the bark EXTRACTIVES, samples from five Iranian hardwoods trees such as black walnut, oak, alder, hornbeam and beech were prepared. Experiments showed that the total extractive content of these species were 29.8, 23.2, 17.9, 16.8 and 16.7 percent, respectively. The total ash content was 19.2, 11.5, 9.5, 12.8 and 13.8 percent, respectively. Also, it was shown that the total phenolic materials were 26.3, 21.2, 13.6, 12.9 and 14.0 percent, respectively. By sequential precipitation, flobatanins, flobaphens and FLAVONOIDS were separated and measured quantitatively. Also, the percentage of TANNINS was found to be 40-50% which is less than those of softwoods (50-60%); this means that the non-tannin EXTRACTIVES of hardwoods are more than those of softwoods. The LIPOPHILIC COMPOUNDS of barks were determind quantitively using GAS CHROMATOGRAPHY. Also, the chemical structure of a number of these compounds was suggested using GC-MS techniques.

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APA: Copy

TORKMAN, J., MIRSHOKRAYI, A., & RESALATI, H.. (2002). BARK EXTRACTIVES ANALYSIS OF FIVE IRANIAN HARDWOOD SPECIES. IRANIAN JOURNAL OF NATURAL RESOURCES, 55(3), 397-405. SID. https://sid.ir/paper/23108/en

Vancouver: Copy

TORKMAN J., MIRSHOKRAYI A., RESALATI H.. BARK EXTRACTIVES ANALYSIS OF FIVE IRANIAN HARDWOOD SPECIES. IRANIAN JOURNAL OF NATURAL RESOURCES[Internet]. 2002;55(3):397-405. Available from: https://sid.ir/paper/23108/en

IEEE: Copy

J. TORKMAN, A. MIRSHOKRAYI, and H. RESALATI, “BARK EXTRACTIVES ANALYSIS OF FIVE IRANIAN HARDWOOD SPECIES,” IRANIAN JOURNAL OF NATURAL RESOURCES, vol. 55, no. 3, pp. 397–405, 2002, [Online]. Available: https://sid.ir/paper/23108/en

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