ArticleMolecules (Basel, Switzerland)2022
Analysis of Changes in the Amount of Phytosterols after the Bleaching Process of Hemp Oils.
Article in Molecules (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 13 citations in OpenAlex.
- The Influence of the Adsorbents Used on Changes in the Quality Parameters of Pumpkin Seed Oil as a Result of a Single-Stage Refining Process.Molecules (Basel, Switzerland) · 2026Article
- Nutrients and Bioactive Compounds fromInternational journal of molecular sciences · 2025Review
- Hemp Seeds (Molecules (Basel, Switzerland) · 2024Review
- The Influence of the Addition of Hemp Press Cake Flour on the Properties of Bovine and Ovine Yoghurts.Foods (Basel, Switzerland) · 2023Article
- Effect of the Bleaching Process on Changes in the Fatty Acid Profile of Raw Hemp Seed Oil (Molecules (Basel, Switzerland) · 2023Article
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Unrefined vegetable oils from niche oilseeds are now sought after by consumers because of their unique nutritional properties and taste qualities. The color and flavor intensity of niche oils is a big problem, and their refining is not industrially feasible due to the small production scale. The study undertaken aimed analyze the effect of changing the amount of phytosterols (PSs) after the bleaching process of hemp oils of the 'Finola', 'Earlina 8FC' and 'Secuieni Jubileu' varieties. Cold-pressed (C) and hot-pressed (H) crude vegetable oils were bleached with selected bleaching earth (BE) at two concentrations. The post-process BE was extracted with methanol. The amount of PSs in the crude oils and the extract after washing the BE with methanol was analyzed by GC (gas chromatography). The study shows that the bleaching process did not significantly affect the depletion of PSs in the oils. Trace amounts of PSs remain on the BE and, due to methanol extraction, can be extracted from the oil. The conclusion of the performed research is that the bleaching of hemp oil does not cause depletion of the oil, and it significantly improves organoleptic properties. The oil bleaching process results in an oil loss of less than 2% by weight of the bleached oil, while the loss depends on the type of BE used. The study shows that the loss of phytosterols after the bleaching process averages 2.69 ± 0.69%, and depends on the type of BE used and the oil extracted from different varieties of hemp seeds.
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Registered trials
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