Liver rhubarb

Additional noteworthy applications of CEC include natural products such as the plant flavonoids hesperetin and hesperidin [160], anthraquinones extracted from rhubarb and from Chinese medicine [161], and heterocyclic compounds present in oils of bergamot, mandarin, and sweet orange [162], The CEC analysis of retinyl esters has been investigated by Roed et al. in nonaqueous mode for the separation of liver extracts of arctic seal [163]. Carotenoid isomers were also separated on C30 stationary phases by nonaqueous CEC [164]. It was found that CEC offered increased resolution compared to HPLC, and in CEC... 

Cure for Liver Complaint. Take jr ounce each extract of taraxacum (dandelion) and tartrate of potassa 45 groins carbonate of soda 4 ounce sweet tioctnro of rhubarb, and G ouuccs spring water. Dose, a too-spoonful 3 times a day. 

Overdoses of Chinese rhubarb can cause a toxic reaction, especially if the fresh herb is used. Symptoms include diarrhea, nausea, vomiting, dizziness, abdominal colic, and jaundice. Long-term use may cause severe damage to the large intestine, cirrhosis of the liver, and potassium loss (Bensky et al. 2004). 

Leaf blades of rhubarb are poisonous, and accidental ingestion will cause severe vomiting and may also cause liver and kidney damage. The toxic effect was formerly attributed to oxalates present in the leaves, but later data indicate it to be due to monoanthrones (see cascara) Many cases of renal failure in rats and chronic renal toxicity in humans have been reported. However, a recent report claims that extracts from Indian R. emodi have nephroprotective and renal function improving effects. ... 

Sources.—The synthetic vitamin is now obtainable commercially. Other highly potent sources are concentrates prepared from lemon or orange juice. Natural food sources are represented by citrus fruits and raw vegetables, especially tomato, celery, onion and rhubarb. The best animal sources are liver and fresh milk. 

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