Unravelling triterpenoid biosynthesis in plants for applications in bioengineering and large-scale sustainable production

S Singh, P Saha, N Rai, S Kumari… - Industrial Crops and …, 2023 - Elsevier
Plants are major factories for the biosynthesis of valuable bioactive compounds having
pharmaceutical applications. These phytocompounds are synthesised via the diversion of …

Plant triterpenoids with bond-missing skeletons: biogenesis, distribution and bioactivity

A Almeida, L Dong, G Appendino, S Bak - Natural Product Reports, 2020 - pubs.rsc.org
Covering: up to December 2018 The polycyclic ABCD (E) framework of triterpenoids can
miss a single endocyclic C–C bond as a result of a modification of the cyclization cascade …

Source, sink and preservation of organic matter from a machine learning approach of polar lipid tracers in sediments and soils from the Yellow River and Bohai Sea …

K Tao, Y Xu, Y Wang, Y Wang, D He - Chemical Geology, 2021 - Elsevier
Transport and transformation of organic matter (OM) from the river to the marginal sea is a
significant part of the global carbon cycle. Biomarkers are of indispensable advantage in …

Novel tricyclic and tetracyclic terpanes in Tertiary deltaic oils: structural identification, origin and application to petroleum correlation

OJ Samuel, G Kildahl-Andersen, HP Nytoft… - Organic …, 2010 - Elsevier
Tricyclic terpanes of the cheilanthane series in crude oils and sediments are routinely used
for geochemical correlation. The cheilanthanes are particularly useful to identify crude oils …

Biogenic polycyclic aromatic hydrocarbons in sediments of the San Joaquin River in California (USA), and current paradigms on their formation

SG Wakeham, EA Canuel - Environmental Science and Pollution …, 2016 - Springer
Biogenic perylene and higher plant pentacyclic triterpenoid-derived alkylated and partially
aromatized tetra-and pentacyclic derivatives of chrysene (3, 4, 7-trimethyl-and 3, 3, 7 …

Bisnorgammacerane traces predatory pressure and the persistent rise of algal ecosystems after Snowball Earth

LM Van Maldegem, P Sansjofre, JWH Weijers… - Nature …, 2019 - nature.com
Eukaryotic algae rose to ecological relevance after the Neoproterozoic Snowball Earth
glaciations, but the causes for this consequential evolutionary transition remain enigmatic …

Biomarkers in surface sediments from the Cross River and estuary system, SE Nigeria: assessment of organic matter sources of natural and anthropogenic origins

O Pisani, DR Oros, OE Oyo-Ita, BO Ekpo, R Jaffé… - Applied …, 2013 - Elsevier
Herein, lipid biomarker analysis is applied to surface sediments from the southeastern Niger
Delta region for the quantitative determination of aliphatic lipids, steroids and triterpenoids in …

Occurrence and distribution of unusual tri-and tetracyclic terpanes and their geochemical significance in some Paleogene oils from China

H Xiao, TG Wang, M Li, J Fu, Y Tang, S Shi… - Energy & …, 2018 - ACS Publications
Two unusual tricyclic terpanes (compounds X and Y) and four tetracyclic terpanes
(compounds X1, Y1, Z, and Z1) have been detected in crude oils from the Pearl River Mouth …

Impact of Lubumbashi's solar irradiation and ambient air on the quality and pharmacological value of root barks from 4 most used medicinal plants

CS Mutombo, SN Nsenga, PM Moke, AM Kolela… - South African Journal of …, 2024 - Elsevier
Background The quality of medicinal plant products is highly dependent on drying
conditions, which can lead to contaminated drugs, and/or with considerable phytochemical …

Carbon and hydrogen isotopes of taraxerol in mangrove leaves and sediment cores: Implications for paleo-reconstructions

D He, SN Ladd, J Park, JP Sachs, BRT Simoneit… - … et Cosmochimica Acta, 2022 - Elsevier
Reconstructing past climate change in mangrove swamps contextualizes ongoing and future
developments in these globally important ecosystems. Taraxerol, a well-recognized lipid …