Results 31 to 40 of about 44,327 (228)

Complexation between oleanolic and maslinic acids with native and modified cyclodextrins [PDF]

open access: yes, 2018
Oleanolic (OA) and maslinic (MA) acids are two natural triterpenoids with a wide range of beneficial effects for human health. However, their low solubility and permeability make their application in the food or industry difficult. The complexation of OA
López Miranda, Santiago
core   +2 more sources

Determination of the Five Main Terpenoids in Different Tissues of Wolfiporia cocos

open access: yesMolecules, 2018
Wolfiporia cocos is a fungus containing triterpenoids and is widely used as an herbal medicine. However, it is unknown whether its main triterpenoid contents differ in different tissues.
Ming Fu   +5 more
doaj   +1 more source

Applications of protein engineering in the microbial synthesis of plant triterpenoids

open access: yesSynthetic and Systems Biotechnology, 2023
Triterpenoids are a class of natural products widely used in fields related to medicine and health due to their biological activities such as hepatoprotection, anti-inflammation, anti-viral, and anti-tumor.
Yan Luo   +4 more
doaj   +1 more source

Diverse Phytochemicals and Bioactivities in the Ancient Fruit and Modern Functional Food Pomegranate (Punica granatum). [PDF]

open access: yes, 2017
Having served as a symbolic fruit since ancient times, pomegranate (Punica granatum) has also gained considerable recognition as a functional food in the modern era. A large body of literature has linked pomegranate polyphenols, particularly anthocyanins
Tian, Li, Wu, Sheng
core   +2 more sources

A seed-specific regulator of triterpene saponin biosynthesis in Medicago truncatula [PDF]

open access: yes, 2020
Plants produce a vast array of defense compounds to protect themselves from pathogen attack or herbivore predation. Saponins are a specific class of defense compounds comprising bioactive glycosides with a steroidal or triterpenoid aglycone backbone. The
Arendt, Philipp   +11 more
core   +2 more sources

Antifeedant Triterpenoids from the Seeds and Bark of Lansium domesticum cv Kokossan (Meliaceae)

open access: yesMolecules, 2011
Two tetranortriterpenoids, kokosanolide A (1) and C (2) were isolated from the seeds and three onoceranoid-type triterpenoids: kokosanolide B (3), 8,14-secogammacera-7,14-diene-3,21-dione (4) and a 1.5:0.5 mixture of 8,14-secogammacera-7,14(27)-diene-3 ...
Roekmiati Tjokronegoro   +5 more
doaj   +1 more source

Advances in Preventive Therapy for Estrogen-Receptor-Negative Breast Cancer. [PDF]

open access: yes, 2014
Preventing breast cancer is an effective strategy for reducing breast cancer deaths. The purpose of chemoprevention (also termed preventive therapy) is to reduce cancer incidence by use of natural, synthetic, or biological agents.
Brown, Powel H, Litzenburger, Beate C
core   +1 more source

Synthesis and Cytotoxic Potential of 3-Oxo-19β-trifluoroacetoxy-18αH-oleane-28-oic Acid

open access: yesMolbank, 2021
Trifluoroacetic acid-promoted Wagner-Meerwein rearrangement of betulonic acid carboxamide led to the formation of the expected 19β,28-lactam along with a new germanicane-type 3-oxo-19β-trifluoroacetoxy-18αH-oleane-28-oic acid.
Elmira F. Khusnutdinova   +2 more
doaj   +1 more source

Chytridiomycosis of marine diatoms : the role of stress physiology and resistance in parasite-host recognition and accumulation of defense molecules [PDF]

open access: yes, 2017
Little is known about the role of chemotaxis in the location and attachment of chytrid zoospores to potential diatom hosts. Hypothesizing that environmental stress parameters affect parasite-host recognition, four chytrid-diatom tandem cultures ...
Karsten, Ulf   +4 more
core   +3 more sources

Mechanochemical-Assisted Extraction and Pharmacological Study of Triterpenoids from Antrodia Camphorata

open access: yesApplied Sciences, 2019
Antrodia camphorata (AC) is a precious medicinal mushroom native to Taiwan and famous for its excellent pharmacological activity. A ball mill assisted mechanochemical extraction method was applied in the extraction of triterpenoids from Antrodia ...
Rongjun He   +4 more
doaj   +1 more source

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