Plant chemistryLipid constituents of the red alga Acantophora spicifera
A new sterol cholest-4-ene-3α-6β-diol along with the known cholest-4-ene-3-one, lauric acid and o-phthalic acid bis(2-ethyl nonyl)-ester have been isolated from the red alga Acantophora spicifera
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Cited by (26)
Threat and gain: The metabolites of the red algae genus Acanthophora
2022, Algal ResearchCitation Excerpt :The carboxylic group was detected as a quintet at δH 1.62 ppm and triplet at δH 2.35 ppm in 1H NMR. Compound 36 was listed as an organic pollutant in marine water [105]. Another compound, 2-bromohexandecanoic acid (38) from A. spicifera, demonstrated anticancer activity with IC50 values of 72.6 ± 0.10 and 26.42 ± 0.11 μM against human lung adeno carcinoma (A549) and human cervical cancer cells (HeLa), respectively [111].
New 3β,6β-dihydroxy and 3β,5α,6β-trihydroxy sterols from marine bryozoan Bugula neritina in South China Sea and their cytotoxicity
2014, Phytochemistry LettersCitation Excerpt :Based on the above evidences, the planar structure of sterol 1 could be established as cholest-4,22-diene-3,6-diol. The correction of the planar structure was further confirmed by a series fragment ions at m/z 382, 367, 364, 298, 283, 271 and 253 by EI-MS analysis (Wahidulla et al., 1998) (Supporting Information). The stereochemistry of 1 was established by a combination of observed coupling constants and NOESY experiment (Fig. 2).
Steroids from the red alga Acanthophora spicifera
2007, Biochemical Systematics and EcologyCitation Excerpt :The alga Acanthophora spicifera (Vahl) Borgesen (Ceramiales: Rhodophyta) is a rhodophycean alga with wide distribution throughout the tropics and subtropics (Kilar and McLachlan, 1986) and one of the most abundant red algal species found on reef flats (Joikel and Morrissey, 1986). Investigation with this species is rather scarce (Aihara and Yamamoto, 1968; Wahidulla et al., 1986, 1991, 1998; Wahidulla and Kamat, 1991; Prakash et al., 1989; Wang et al., 1998, 2003). Therefore, as a part of the systematic chemical research with rhodophycean algae, we report here the results concerning the main sterols isolated from A. spicifera, an abundant alga in Southern Brazil.
Analysis of steroidal lipids by gas and liquid chromatography
2001, Journal of Chromatography AReview antibacterial compounds from red seaweeds (Rhodophyta)
2015, Indonesian Journal of Chemistry