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ANTHRANOID VÀ DƯỢC LIỆU CHỨA ANTHRANOID - ThS.DS. Huỳnh Anh Duy

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3.3. NHÓM DIMER<br />

diemodin anthron<br />

Glc O O OH<br />

OH O OH<br />

COOH<br />

COOH<br />

HO<br />

Me<br />

COOH<br />

hypericin<br />

Glc O O OH<br />

sennosid A và B<br />

OH O OH<br />

rheidin A<br />

dạng khử của (emodin + rhein)<br />

- thƣờng : 2 ph.tử anthron dianthron, dehydro-dianthron.<br />

- vài trƣờng hợp là dianthraquinon: Cassianin, cassiamin.<br />

16

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