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Supercritical Fluid Chromatography with Photodiode Array Detection in the Determination of Fat-Soluble Vitamins in Hemp Seed Oil and Waste Fish Oil
In the presented study for the first time a new, optimized, fast SFC (supercritical fluid chromatography) method was applied to separate in one run fat-soluble vitamins from waste fish oil, including cis-and trans-retinyl palmitate, cis- and trans-retinyl acetate, retinol, α-tocopherol, β-tocopherol, γ‑tocopherol, δ-tocopherol, ergocalciferol (D₂), cholecalciferol (D₃), cis- and trans-phylloquinone (K₁) and menaquinone-4 (K₂-MK4). Vitamins were baseline separated on an Acquity UPC² (ultra…
In the presented study for the first time a new, optimized, fast SFC (supercritical fluid chromatography) method was applied to separate in one run fat-soluble vitamins from waste fish oil, including cis-and trans-retinyl palmitate, cis– and trans-retinyl acetate, retinol, α-tocopherol, β-tocopherol, γ‑tocopherol, δ-tocopherol, ergocalciferol (D₂), cholecalciferol (D₃), cis– and trans-phylloquinone (K₁) and menaquinone-4 (K₂-MK4). Vitamins were baseline separated on an Acquity UPC² (ultra performance convergence chromatography) HSS C18 SB (highly strength chemically modified silica) column within 13 min. The influence of the stationary phase, such as Torus 1-AA (1-aminoanthracene), Torus Diol (high density diol), Torus DEA (diethylamine), BEH (silica with no bonding), BEH-2EP (2-ethylpirydine), CSH Fluoro-Phenyl (silica with fluoro-phenyl groups), column temperature, flow rate and back pressure on the separation of the compounds was described. The application of the modified saponification procedure allowed us to increase concentration in the sample prepared for the analysis of γ‑tocopherol from less than 1% (wt %) to 14% for the first time. In addition, α‑tocopherol, γ‑tocopherol, δ‑tocopherol and retinol were identified in waste fish oil. Vitamin purification and analysis in waste fish oil are reported for the first time here. Due to the short time and effectiveness of the proposed method, it can be easily applied in industrial processes.
Keywords: fat-soluble vitamins; hemp seed oil; purification; supercritical fluid chromatography; waste fish oil.
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Thinking about ordering some CBD online from a reputable source, but the lab results say it has .20% THC? Can I have this shipped?
I’m in Michigan. Really want to try this but I’m worried about shipping it to my apartment and having it get seized or getting in trouble or something.
I want to put the link to the website but I’m not sure if I can source so I’ll just say the brand is pretty reputable I just don’t know if I could get in trouble for this and what the likelihood of that would be.
Like I said it’s CBD flower but it still has larger amounts of CBD unlike most CBD in Michigan which has .3% or less (legal limit.)
Anyone think I’d be fine to order it?
Source: https://www.reddit.com/r/CBD/comments/lsgs4p/thinking_about_ordering_some_cbd_online_from_a/
Visit our community site for vetted suppliers at http://theCBD.place. It’s time that this subject was given more internet exposure. We are here to discuss topics related to medical marijuana and our experiences using CBD. Please do not assume that anyone here is a medical professional.
Source: https://www.reddit.com/r/CBD/comments/lsgpsn/lifter_216_cbda/
Hi, thank you for your time!
My grandparents are avid CBD users, and always order from the same brand. Around 3 months ago they received a package with a bottle of Peace CBD oil in it which they had not ordered, but they had lots of family staying at their house for Christmas and thought it must have been an order placed by somebody else. But they received another in late January, and now they realized they have been charged $100 a month, all by different billing companies across the USA, and they believe it is for these bottles of CBD. They have obviously not opened or used them, and I have had little success tracking down any information about this company online. The only posts on Reddit I was able to find under “Peace CBD” all seemed weird and scam-like, and contained the following two weird scam-like links. I was hoping someone has heard of this company or a similar scam.
(My grandparents think these scammers could have possibly gotten their information from a CBD trial they had signed up for about a year ago when they were finding a brand of CBD they liked.)
Any help or information is much appreciated!
https://sites.google.com/view/peace-cbd-oil-benefits/
This last link is what comes up if you click on the attached link to “Buy Peace CBD today” on the ap article. It is not even the actual bottle of peace cbd.
https://buycannagenix.com/m/index?ts=64AAF081&s1=2503&s2=4464-8958&clickid=167390707
Thank you so much!
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