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PubMed: Toxicological safety of VOHO Hemp Oil; a supercritical fluid extract from the aerial parts of hemp

PubMed: Toxicological safety of VOHO Hemp Oil; a supercritical fluid extract from the aerial parts of hemp

PLoS One. 2021 Dec 31;16(12):e0261900. doi: 10.1371/journal.pone.0261900. eCollection 2021.

ABSTRACT

VOHO Hemp Oil (Verdant Nature LLC (in collaboration with HempFusion)) is an extract of the aerial parts of hemp (Cannabis sativa L) manufactured using a supercritical CO2 extraction process. The results of four safety studies are reported here including a bacterial reverse mutation assay, an in vivo mammalian micronucleus study, a maximum tolerated dose study in rats and a 90-day repeat dose subchronic toxicity study in rats. VOHO Hemp oil can contain up to 30% phytocannabinoids and less than 0.2% is tetrahydrocannabinol (THC). VOHO Hemp Oil was found to be non-mutagenic in the bacterial reverse mutation assay and was negative for inducing micronuclei in the rat bone marrow micronucleus assay. The maximum tolerated dose in male and female Wistar rats was 2250 mg/kg bw/day. A 90-day repeat dose study was conducted in male and female Wistar rats according to OECD Guideline 408 and included a 21-day recovery period. The doses used in the study were 0, 25, 90 and 324 mg/kg bw per day in the main study, and in the recovery phase a control and 324 mg/kg bw/day group were included. One mortality was reported during the study, a high dose female, and test substance-related adverse clinical signs were reported in the high dose group. Other test substance-related changes noted in the high dose group included changes in body weights, activated partial thromboplastin time (APTT) values, and in absolute and relative organ weights. Based on the results of the study, the no observed adverse effect level (NOAEL) for VOHO Hemp Oil was determined to be 90 mg/kg bw/day in both male and female Wistar rats.

PMID:34972167 | DOI:10.1371/journal.pone.0261900

#CBD #Hemp https://pubmed.ncbi.nlm.nih.gov/34972167/?utm_source=Chrome&utm_medium=rss&utm_campaign=None&utm_content=1jYCQzi_o_qLYr-oQfnMhShgOXkvGma3vcnBGJtrBhuJMOvEVJ&fc=None&ff=20220101055836&v=2.17.4 December 31, 2021 11:00 am

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