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Study on LED lighting provides important results for cannabis cultivation

The study looked at the effects of broad-spectrum white light on plant yield, morphology, development and quality in cannabis.

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Study on lighting provides important results for cannabis cultivation

Results from a multi-year, global study have revealed important results for cultivation, showing that broad-spectrum white lights are best for increasing cannabis yield over red wavelengths.

The study, carried out by Fluence by OSRAM in conjunction with Wageningen University and Research (WUR) and Texas Original Compassionate Cultivation (TOCC), looked at the effects of broad-spectrum white light on plant yield, morphology, development and quality in cannabis and other crops.

The results on cannabis revealed that broad-spectrum lighting strategies that include green light and other wavelengths, which are largely absent in narrow-band spectra, improve cannabis yield. The study notes spectrum sensitivity is cultivar-dependent. 

Improving cannabis yield

Results from the multi-year study have demonstrated that broad-spectrum lighting improved the yield of cultures, morphology and overall performance of selected cultivars compared to narrowband spectra with high red and far-red colour wavelength ratios.

Senior Scientist at Fluence, Dr David Hawley, commented: “The results of our global studies show how effective broad-spectrum white light is in improving crop yields for many growers around the world.

“Broad-spectrum strategies are about the balance and flexibility of the spectrum itself as well as the holistic approach to cultivation. While there are certain scenarios in which narrowband spectra, or pink light, may make sense from an energy efficiency or crop production standpoint, we have found that many cultivars are simply more performing across a broad spectrum across the KPIs that matter most to growers: yield, morphology and overall quality.

“Our latest research provides us with new information to assess each grower’s goals, compare those goals to a facility’s unique financial, environmental and energy parameters, and then ultimately develop a solution tailored to each grower.

“The results of the TOCC and WUR intensity and spectrum studies are important to cannabis growers for two reasons. First, there is rarely a scenario in which they would have to grow cannabis under low-density photosynthetic photon flux (PPFD). Our research continues to highlight how more beneficial it is to grow cannabis with higher PPFDs.

“Second, watch your red light report. There are a few cultivars and a few very specific production situations that could benefit from narrowband or high/far-red and blue wavelengths. But it can also have detrimental effects on terpene ratios, yield, morphology and cannabinoid content, and increase the risk of significant canopy photobleaching. This is why we generally recommend growing broad spectrum cannabis under a high PPFD.”

The study was also carried out on merlice tomatoes and peppers.

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Collaboration to conduct research to support the cannabis industry

Open Book Extracts and Biopharmaceutical Research Company will research the full range of cannabinoids.

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Collaboration to conduct research to support the cannabis industry
Home » News » Research » Study on LED lighting provides important results for cannabis cultivation

Open Book Extracts will be leveraging Biopharmaceutical Research Company’s research platforms in order to develop research-backed formulations and products.

The new collaboration is aiming to build up the body of evidence surrounding the benefits of cannabinoids in order to support the cannabis industry.

Open Book Extracts and Biopharmaceutical Research Company will work closely together on preclinical and first-in-human (FIH) dosage forms, to optimisation of formulations for late-stage development and market following clinical evaluation. 

Read more: Europe’s first cannabis tech accelerator to promote cannabis research

They will be developing the most appropriate formulation based on the physicochemical and biopharmaceutics properties of the cannabinoids of interest, the intended route of administration and the phase of development. 

Open Book Extracts CEO, Dave Neundorfer, commented: “Current political and economic situations have created non-science-based products that are not serving today’s consumers, and are not designed to fill the research gaps we desperately need to fill to legitimise the emerging anecdotal evidence.

“Companies that base their brands on the research-backed formulations guided by science and develop corresponding products will rule global market share, and recreate how we choose to find therapeutic relief along with relaxation and stimulation.”

The partnership with BRC also supports the study of Delta-9 THC products and formulations, allowing OBX to identify the phase appropriate, optimal products for formulations including Delta-9 THC.

“We are excited to expand our research capabilities through our collaboration with BRC, in particular being able to add Delta-9 THC as a cannabinoid of interest for our formulation research,” said Neundorfer.

Open Book Extracts (OBX) has a 76,000 sqft research and production facility near Durham, North Carolina, and has developed proven methods to efficiently manufacture a broad range of cannabinoids from hemp and natural sources, including CBD, CBN, CBC, CBG, CBGa, CBT, CBDa, CBDv, and THCv. 

Biopharmaceutical Research Company (BRC) CEO, George Hodgin, commented: “BRC is pleased to partner with OBX, joining forces to further build the body of evidence to support the cannabis industry.

“It is time we investigate the real science, and develop products for brands that take our culture to the next step. It will take a concerted effort. Developing appealing and effective cannabis-based products requires a multidisciplinary approach in food and pharma chemistry. 

“BRC is a one-stop-shop for developing, modifying and improving these new products, and we’re excited to work with OBX to help bring novel, well-studied, effective products to consumers everywhere.”

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Trichome Pharma receives approval to cultivate cannabis for research

The Spanish pharmaceutical company has said the approval marks a significant milestone for the advancement of its pipeline of projects.

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Trichome Pharma receives approval to cultivate cannabis for research
Home » News » Research » Study on LED lighting provides important results for cannabis cultivation

Trichome Pharma has received approval from the Spanish Agency of Medicines and Medical Devices (AEMPS) to cultivate medicinal cannabis for research purposes.

Trichome Pharma has been building its research and development platform over the last 18 months. The company’s aim in building the facility is to increase access to medicinal cannabis and set a new benchmark in quality and innovation for medicinal-grade starter materials and finished products. 

With the approval of a cultivation licence, the company will now begin the development of novel micropropagation and conservation techniques for large-scale plant production.

Discover the essential elements for producing a successful cannabis crop with PharmaSeeds

It will also study a selection of various cannabis cultivars from its bank of genetics, as well as the development of innovative cultivation strategies and protocols to optimise plant quality, performance and potency.

CEO of Trichome Pharma and Managing Director of Trichome Capital, Nicholas Balk, commented:  “Receiving AEMPS approval is a significant milestone for the company that marks the culmination of many months of hard work. It’s a really exciting time to be in this industry. I’ve always believed that Spain is the perfect place to build and grow a cannabis business. 

“Not only does it possess a world class agricultural sector and optimal climatic conditions for cannabis cultivation, but it also has a rich ecosystem of knowledgeable industry experts and a deeply-rooted culture in cannabis. 

“Of course, we’d love to see domestic regulation evolve in the same way other European markets have and trust this will happen in the not too distant future.”

The company, which is a member of the European Industrial Hemp Association (EIHA), has also launched its new website.

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Over a third of US THC products too strong for legal sale

Despite complying with the Farm Bill, a new study has shown that many US THC products are too strong to legally sell in a cannabis dispensary.

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Over a third of US THC products too strong for legal sale
Home » News » Research » Study on LED lighting provides important results for cannabis cultivation

CBD Oracle has carried out a lab study of 53 THC products showing that over a third would be too strong to legally sell in a cannabis dispensary.

The new CBD Oracle report reveals that THC gummies can be over three times as strong as dispensary edibles. The US Farm Bill, introduced in 2018, makes any “hemp” product legal provided it contains less than 0.3 per cent delta-9 THC by dry weight. All but two of the products contained THC within this legal limit.

Read more: InfinteCAL Labs discusses avoiding heavy metal contamination in cannabis crops

The report shows that hemp delta-9 products use the specific language of the 2018 Farm Bill to sell high-THC products with far fewer restrictions than edibles in legal states. CBD Oracle states that this has flooded the market with edibles, tinctures and cartridges that wouldn’t clear the higher bar usually used for high-THC products.

Read more: US studies show regulation around CBD and THC labelling desperately needed

It also found that, largely, companies do no age verification, do not test products for safety and do not give customers the dose that they claim to.

Chief research officer at CBD Oracle, Mark Mellone, commented: “Our investigation reveals an industry profiting from a legal loophole, offering gummies much stronger than dispensary edibles with barely a fraction of the oversight.

“We bought products online without ever proving our age and all but one was just dropped at the mailbox. We’re all strongly pro-cannabis, but hemp, cannabis and CBD’s growth (and further legality across the US) depends upon how well we can maintain standards in both products and industry conduct. We need to do better than this.”

The findings

For the report, CBD Oracle commissioned InfiniteCAL Labs to analyse 53 of the most popular hemp delta-9 THC products on the market, covering 40 per cent of all brands. All of the samples were analysed for potency, and 10 were randomly chosen for additional safety testing. Oracle also looked into the products from the lab reports to determine whether companies use child-protective packaging or asked for a signature on delivery.

The analysis found that 51 per cent of products are mislabeled, dosages are often very high, 75 per cent of products are not tested for safety, some companies get certificates of analysis (COAs) from non-ISO-accredited labs and that 85 per cent didn’t use online age verification to prevent minors accessing high-THC products.

Read more: Exploring trends in THC beverages

The analysis also found that hemp delta-9 products contain up to 36.7 mg of THC per serving. For states that have passed adult-use cannabis laws, the most common maximum allowed serving is 10 mg, but some states set the limit at 5 mg. The analysis showed that 34 per cent of products exceed this 10 mg per serving limit, and so wouldn’t be legal as part of state cannabis programmes.

It was further revealed that 51 per cent of products were more than 15 per cent above or below the dosage they claimed. In most cases, they were below, with 45 per cent of all products having less THC than the customer paid for.

In three cases the actual dosage was much higher than advertised, such as gummies supposedly containing 10 mg of THC each actually containing 16 mg.

Despite these concerning findings, CBD Oracle also highlighted that 96 per cent of the products tested fell within the 0.3 per cent THC Farm Bill limit and that all of the products sent for safety testing came back completely clean.

Whilst clean products are a good sign for the industry, CBD Oracle remains concerned that young people are gaining access to products illegally due to the lack of age testing and delivery signatures by companies – stating there is a huge need for further regulatory oversight.

Gillian Schauer, PhD, MPH from the Cannabis Regulators Association commented: “In addition to the consumer safety and youth access issues, from a market perspective, having high THC hemp-derived products creates a parallel marketplace to existing medical and adult-use cannabis markets.

“The barriers to entry for licensees on current state medical and adult-use markets are much higher, in part because of required consumer safety regulations related to packaging, labeling, and testing.

“A parallel marketplace with lower costs of doing business because of fewer safety regulations could certainly undercut existing medical and adult-use licensees in state markets.”

To read the full report please click here.

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