how much cbd is in hemp seeds

If you are storing whole hemp seeds you must have a general licence issued by Medicines Control with ’procurement’ listed as an activity and be registered under the Food Act.

The Misuse of Drugs (Industrial Hemp) Regulations 2006 have been updated to allow low-THC hemp seeds to be grown, manufactured and sold as food products.

Hulled hemp seeds are seeds with the outer coat or hull removed that are not able to germinate. A licence from Medicines Control is not required if your activities start with hulled non-viable hemp seeds.

Information about growing, manufacturing and selling low-THC hemp seed as food.

Selling hemp seed food products

To grow hemp for commercial use you have to grow an ‘approved cultivar’. Link to approved cultivar page The Industrial Hemp Regulations set the allowable limits of THC (given as a % of the dry weight of the plant) of generally below 0.35% and not more than 0.50% in hemp plants.

CBD is a substance found in cannabis that has potential therapeutic value, with little or no psychoactive properties.

If you are processing whole hemp seeds (eg, washing and hulling) or manufacturing hemp seed food products from whole hemp seeds you must:

What you need to know

THC is a psychoactive substance found in cannabis plants.

While there is interest in the use of THC and CBD for medicinal uses, the level of THC and CBD allowed in hemp seeds and hemp seed food products is too low to have a medicinal effect. THC and CBD are present in these products as a ‘natural contaminant’, fortification of products with CBD is prohibited under the Food Standard. The Food Standard that allows the sale of hemp seeds and hemp seed food products does not permit health or nutrition claims to be made about the CBD content of these food.

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How much cbd is in hemp seeds

All extracts were analyzed for the concentrations of Δ 9 -THC, Δ 9 -THCA, CBDA, and CBD. Thus, concentration standard curves for Δ 9 -THC, CBD, Δ 9 -THCA, and CBDA were generated using the respective cannabinoid standards of various concentrations and internal standard (Supplementary Fig. S1). These standard curves were used to estimate the concentrations of the above analytes in the extracts. Lower limits of detection for Δ 9 -THC, Δ 9 -THCA, CBD, and CBDA are 1.0, 1.0, 2.5, and 1.0 ng/mL, respectively, and the lower limits of quantitation are 2.5, 2.5, 5.0, and 2.5 ng/mL, respectively.

Sample injection volume was 10 μL, at a mobile phase flow rate of 0.6 mL/min for a total run time of 6 min. Two mobile phases, water/0.1% formic acid (phase A), and methanol/0.1% formic acid (phase B), were used and gradient conditions were used for elution: 0–4.5 min: 30%→0% phase A and 70%→100% phase B, 4.5→5 min: 100% phase B, and 5→6 min: 30% phase A and 70% phase B. Internal standard was benzophenone (10 μg/mL solution in MeOH), and each sample was spiked with 9.6 μL of internal standard before analysis. Each sample was analyzed in triplicate.

Extractions of brand# 2 hemp seeds exhibited more variance, where total Δ 9 -THC amounts were estimated to be 68±101, 54±13, and 75±12 μg/g of hemp seeds using sonication, Soxhlet, and SFE extractions respectively, all of which are fivefold to sevenfold higher than the permitted limit ( Fig. 2B ), whereas microwave extraction estimated the total Δ 9 -THC content to be 17±14 μg/g only. Variations on the CBD estimates are even more significant, where the variation ranged from 3±4 μg/g (using microwave technology) to 172±31 μg/g (SFE) of hemp seeds. It is interesting to note that a different brand led to a completely different profile in the phytocannabinoid variations (brand# 1 vs. 2), and the results based on the extraction method employed are different as well.

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1 Center for Molecular Design and Preformulations, Toronto General Hospital Research Institute, University Health Network, Toronto, Canada.

Conclusion: Careful consideration of the extraction method is very important for the measurement of cannabinoids in hemp seeds.


5 The Pain Research Unit, Department of Anesthesia and Pain Management, Toronto General Hospital, University Health Network, Toronto, Canada.

Hemp seeds produce negligible, if any, quantities of THC endogenously. 7 While food-grade strains of hemp must contain less than 0.3% Δ 9 -THC by weight (whole plant), they may not be free of this compound entirely. During the harvesting process, hemp seeds may become contaminated by material from other parts of the plant (such as the Δ 9 -THC-rich trichomes on flowers) and thus acquire Δ 9 -THC onto their outer shells. 7 Exposure to high concentrations of Δ 9 -THC could lead to psychological events and gastrointestinal disorders, including acute toxic events such as sedation. In Switzerland, four patients suffered psychological and gastrointestinal issues due to consumption of hemp seed oil, which had higher concentrations of Δ 9 -THC, prompting public health inquiry. 8 A recent case of Δ 9 -THC poisoning was reported in a toddler who was on a prescription of hemp seed oil to strengthen the immune system. 9 The toddler exhibited symptoms such as stupor and low stimulatability, which are characteristic of Δ 9 -THC intoxication.