Dietary Analysis Essay

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ABSTRACT Background: Botanical dietary supplements are used by 80% of American women aged 40 to 60 years old to reduce menopausal symptoms. Previous researches have not proven concrete associations between the consumption of botanical extracts and liver failure, even though many people are concerned about liver toxicity caused by an intake of botanical products. Objective: The objective of this paper is to identify the molecular structure of chemical constituents of commonly used botanicals and to investigate the relationship of botanical supplements to liver toxicity. Design: Botanical chemical constituents were identified from the Natural Products Alert Database for the periods coverings at least 1975 through 2003. This database includes …show more content…

Computational software of (Q)SAR is used for screening chemical components that were identified from the review of literature in the NAPALERT database and a FDA Bioscience Library literature search. From this screening of chemical components, positive predictive lists were completed, which showed that there were 37 positive components out of 103 unknown chemical constituents in black cohosh, 17 positive components out of 94 chemical constituents in red clover, 22 positive components out of 153 chemicals constituents in chasteberry, and 14 positive components out of 227 chemical constituents in …show more content…

The minimum level of intake to affect liver toxicity was also verified in animal tests. A chestberry has two positive components; Benzofuran and 4-Vinyl phenol. Benzofuran proved lethality at 250mg of daily dosage and 4-Vinyl phenol proved lethality at 200mg of daily dosage. Protocatechuic acid that is contained in Black cohosh affected liver enzymes at 0.1% intake by drinking water for 60days. Xanthohumol I that is contained in hops proved no effects on liver enzyme levels after 4 weeks in mice. However, 50uM in drinking water predicted positive. Isoflavone in Redclover proved that glycosides coupled with a flavone affect liver toxicity after a long

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