Article Per Year (5 Year)
p-Index From 2021 - 2026
0
P-Index
This Author published in this journals
All Journal BERITA BIOLOGI
SIMATUPANG, Dr. Ir. M . H.
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

Published : 1 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 1 Documents
Search

 1 
SUSUNAN KIMIA DJATI SERTA BERHUNGAN DENGAN TAKSONOMI DAN KATA HANNANJA TERHADAP INSEKTA SIMATUPANG, Dr. Ir. M . H.
BERITA BIOLOGI Vol 1, No 1 (1968)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (326.499 KB) | DOI: 10.14203/beritabiologi.v1i1.1521

Abstract

for investigating the special properties of toakwood,the thorough knowledge of the extractives is required. only 8 years age,merely two extractives of teak were know :secondary calcium phosphate and tectequinone.meanwhile, however,the knowladge has been greatly onlarged some 40 other compounds have been found, the chemical constitution of many of which has been determined The folloiwing extractives were found: 6 new anthraquinones, 5 naphthoquinonos,4 quinonos of still unknown structure, loaf-quinones ,2 nautral compounds with naphthalene rings (pierate formation )very small amounts of fatty oil (below 1%)consisting of 8 different fatty acidst Finally,The terpenoidalcompounds squalene betulic acid, one tiriterpeno C30 H48 O5 and two other terpenoids were found, The dchydronaphthol compounds, tectol and dehydrotecto1,clucidated in their constitution by decomposition and synthesis
Co-Authors