Results 61 to 70 of about 13,341 (266)

Biodiesel: Freedom from Dependence on Fossil Fuels? [PDF]

, 2008
In view of the depleting oil reserves and exponential rise in petroleum prices, the search for alternative sources of fuel is very timely and important.
B. Anjan Kumar Prusty, P. A. Azeez, Rachna Chandra   +2 more
core   +2 more sources

Cytotoxic xanthones isolated from Calophyllum depressinervosum and Calophyllum buxifolium with antioxidant and cytotoxic activities [PDF]

Food and Chemical Toxicology, 2019
The stem bark of Calophyllum depressinervosum and Calophyllum buxifolium were extracted and examined for their antioxidant activities, together with cytotoxicity towards human cancer cells. The methanol extract of C. depressinervosum exhibited good DPPH and NO scavenging effects.
Nor Hisam Zamakshshari, Gwendoline Cheng Lian Ee, Intan Safinar Ismail, Zalikha Ibrahim, Siau Hui Mah   +4 more
openaire   +3 more sources

Myxomycete Biodiversity on Remote Islands of the Eastern Indian Ocean: A Comparison Between the Cocos (Keeling) and Christmas Islands

Biotropica, Volume 57, Issue 6, November 2025.
A study of the diversity of myxomycetes associated with remote islands in the Indian Ocean. ABSTRACT Myxomycetes are a widespread group of organisms but, given their inconspicuousness and the specialist knowledge needed to culture and identify them, there are many regions of the world where they have never been studied.
Steven L. Stephenson, Todd F. Elliott, Trish Flores, Karl Vernes   +3 more
wiley   +1 more source

ISOLATION AND IDENTIFICATION OF ANANIXANTHONE FROM ETHYL ACETATE EXTRACT OF ROOT BARK OF SLATRI (Calophyllum soulattri) (CLUSIACEAE))

Alchemy, 2016
A xanthone, named ananixanthone (1) has been isolated and identified from the ethyl acetate extract of the root barks of Calophyllum soulattri.
Nestri Wulandari, Muhammad Widyo Wartono
doaj   +1 more source

Natural product compounds from Calophyllum depressinervosum [PDF]

, 2016
Our detailed study on the phytochemistry of the stem bark of Calophyllum depressinervosum resulted in the isolation of four xanthones and one coumarin. The xanthones are trapezifolixanthone (1), macluraxanthone (2), ananixanthone (3), caloxanthone C (4 ...
Daud, Shaari, Ee, Gwendoline Cheng Lian, Ismail, Intan Safinar, Karunakaran, Thiruventhan, Teh, Soek Sin, Zamakshshari, Nor Hisam   +5 more
core  

Antioxidant Potential of Calophyllum gracilentum: A Study on Total Phenolic Content, Total Flavonoid Content, and Free Radical Scavenging Activities [PDF]

, 2023
Nurr Maria, Ulfa Seruji, Vivian Jong, Yi Mian, Nor Hisam, Zamakshshari, Thiruventhan, Karunakaran, Lee, Feng Koo, Wong, Tze Jin, Chan, Thye Huat   +6 more
openalex   +1 more source

Marked Ericales diversity in late Oligocene–Early Miocene palynofloras from northern Thailand suggests stratified mountain forests

Journal of Systematics and Evolution, Volume 63, Issue 6, Page 1458-1480, November 2025.
Ericalean pollen was recovered from the Ban Pa Kha Subbasin, Li Basin, northern Thailand. Based on the ecological preferences of their modern analogs, the assemblage of dispersed ericalean pollen likely derives from more than one vegetation type and possibly from different vertical zones of mountainous areas.
Paranchai Malailkanok, Friðgeir Grímsson, Reinhard Zetter, Paul J. Grote, Thomas Denk, Wongkot Phuphumirat   +5 more
wiley   +1 more source

5,9,11-Trihydroxy-2,2-dimethyl-10-(3′-methyl-2′-butenyl)-3-(2″-methyl-3″-butenyl)pyrano[2,3-a]xanthen-12(2H)-one from the Stem Bark of Calophyllum pseudomole

Molbank, 2016
5,9,11-Trihydroxy-2,2-dimethyl-10-(3′-methyl-2′-butenyl)-3-(2″-methyl-3″-butenyl)-pyrano[2,3-a]xanthen-12(2H)-one (1) was isolated from the stem bark of Calophyllum pseudomole.
Mulyadi Tanjung, Ratih Dewi Saputri, Tjitjik Srie Tjahjandarie   +2 more
doaj   +1 more source

Prospek Pembangunan Hutan Tanaman Rakyat di Kabupaten Biak Nunfor, Papua [PDF]

, 2010
Pembangunan hutan tanaman oleh rakyat diharapkan secara bertahap akan mengubah lahan kritis menjadi produktif dan meningkatkan kesejahteraan masyarakat. Salah satu faktor yang menyebabkan lambannya pembangunan hutan tanaman rakyat adalah kurangnya minat
Maulana, S. I. (Sandhi), Yeny, I. (Irma)
core  

UJI AKTIVITAS ANTIBAKTERI FRAKSI POLAR HASIL ISOLASI DAUN NYAMPLUNG (Calophyllum inophyllum Linn.) [PDF]

, 2016
Telah dilakukan skrining fitokimia dan uji aktivitas antibakteri dari fraksi polar ekstrak daun nyamplung (Calophyllum inophyllum Linn.). Penelitian ini bertujuan untuk mengetahui kandungan komponen kimia dan uji aktivitas antibakteri fraksi polar ...
NOVIANTI, MUTIARA
core