Lignans are a plant-based bioactive compounds classified under the polyphenol family.
They are found in a variety of whole foods including seeds, grains, fruits, vegetables, and legumes, with the highest concentrations
found in flaxseeds.
Lignans are often considered as phytoestrogens because they have a chemical structure similar to estrogen and can bind to estrogen receptors in
the body.
Consuming foods rich in lignans is thought to provide several health benefits.
Their phytoestrogen activity allows them to influence hormone balance in the body, which may have implications for diseases such
as breast cancer and prostate cancer. They also have antioxidant properties, meaning they can help to
neutralize harmful free radicals in the body. Some research suggests that a diet high in lignans may be
beneficial for heart health and could potentially help to reduce the risk of certain other diseases, including type 2 diabetes.
Examples of some lignans found in seeds are listed below:
Secoisolariciresinol diglucoside (SDG) - This is the primary lignan found in
flaxseeds and is one of the most commonly consumed lignans in a typical Western diet. It is broken down in the body into the mammalian lignans
enterodiol and enterolactone, which can exert various biological effects.
Pinoresinol and lariciresinol - These lignans are found in sunflower seeds and
poppy seeds and
are metabolized into enterolignans in the body.
Sesamin and Sesamolin - These are specific lignans found in sesame seeds.
Sesamin has been studied for a variety of potential health benefits, including anti-inflammatory effects and potential benefits for heart health.
Matairesinol - This lignan is present in the seeds of several plants, including
flax, seasme, rye, pumpkin, and sunflower.
The extraction process, including the solvents and methods used, can influence the concentration and types of lignans present in the final extract.
It is often the case that a balance needs to be found between fully-extracting all lignans while also ensuring that the compounds that are
obtained are of a high quality and not degraded.
At Celignis we have extensive experience in the design and optimisation of extraction protocols for a wide variety of chemical constituents from
many different biomass types. If needed we can also work on processes to separate and purify the target compounds.
Click here to read more about Celignis's Bioprocess Development Services for the extraction of
chemicals from biomass.
Celignis to Sponsor and Present at Major Biochar Event
The event takes place on May 3rd at Carrick-on-Shannon
We are pleased to announce that, on May 3rd, Celignis will be presenting and exhibiting at the National Biochar and Carbon Products Conference 2023, which is taking place in Carrick-on-Shannon in County Leitrm, Ireland.
This conference is being organised under the auspices of the Interreg Northwest Europe-funded THREE C Project, entitled 'Creating and sustaining Charcoal value chains to promote a Circular Carbon economy in NWE Europe'.
The conference will highlight both Irish stakeholders who are currently working in the biochar and carbon products sector, but also partners from the THREE C project (covering Netherlands, Luxembourg, Germany, Belgium, France and Wales, as well as Ireland) who have interesting stories and products to share.
Read about the wide variety of analysis packages we have for biochar
Click here to read about the different analysis packages that Celignis offers for the evaluation on biochars. These analyses cover properties relevant to a wide variety of applications, including soil amendment, carbon sequestration, bioenergy, and biomaterials.
For a short period we are offering two TGA analyses for the price of one!
To celebrate the arrival of our thermogravimetric (TGA) equipment, we are offering, for a limited time period, two TGA analyses for the price of one. Click here to read more about TGA analyses at Celignis and to see the various packages on offer.
To avail of this special offer please mention the code (TGA-AUGUST) in an email or when placing an order via the Celignis Database.
This 5 minute presentation was given at the recent IBioIC conference
Celignis recently exhibited at IBioiC's annual conference, held in Glasgow on June 6-7.
During that event Lalitha, Celignis's CIO, gave a short 5 minute presentation on the EnXylaScope collaborative EU research project that Celignis is involved in.
You can view the presentation below or here on YouTube.
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