Drying and gas or vapor contact with solids – Process – Gas or vapor pressure is subatmospheric
Patent
1999-06-03
2000-10-10
Wilson, Pamela A.
Drying and gas or vapor contact with solids
Process
Gas or vapor pressure is subatmospheric
34418, 34263, 426102, 426638, F26B 504
Patent
active
061288314
ABSTRACT:
Medicinal plants are dried by applying microwave power to plant materials in a chamber under reduced pressure to reduce the moisture content of the plant materials without significantly reducing (oxidizing) the concentration of active medicinal component in the dried plant materials and thereby produce a dried medicinal plant product which more closely approaches the medicinal properties of the fresh plant than those of dried products produced by conventional air drying processes.
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patent: 5676989 (1997-10-01), Durance et al.
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TLC and HPLC Analysis of Alkamides in Echinaces Drugs; Planta Medica, vol. 55, pp. 367-371; Bauer et al., 1989.
Durance Timothy Douglas
Kim Hyun-Ock
Scaman Christine H.
Yousif Alex N.
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