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历代本草记载强调,中药的栽培、采收、保藏、炮制、煎服等不可忽略时间观念,否则影响中药的质量及疗效。随着时间生物学的发展,人们愈来愈重视时间因数与各类学科的关系。今引用有关资料,以时间为因数,谈谈中药质量。一、中药栽培与时间因数:中药的栽培有时间性,银杏、核桃应冬播,细辛、芍药宜夏栽,紫苏、桔梗、红花适于春种……。如当归早期抽苔,影响其药用价值,我国某些地区的当归抽苔率达90%以上。通过实验将当归夏播改为秋播,从而有效地防止了当归早期抽苔。中药质量与栽培时间的长短相关,如栽培一年的甘草仅含甘草酸5.49%,栽培四年者达10.52%。不同生
Historical records have emphasized that the cultivation, harvesting, preserving, concocting, and decocting of traditional Chinese medicine cannot be neglected, otherwise it will affect the quality and efficacy of traditional Chinese medicine. With the development of biology in time, people pay more and more attention to the relationship between time factor and various disciplines. To quote relevant information today, use time as a factor to talk about the quality of Chinese medicine. First, the cultivation of traditional Chinese medicine and time factor: the cultivation of Chinese medicine has time, ginkgo, walnut should be sowed in winter, Asarum, peony should be planted in summer, perilla, Campanulaceae, safflower suitable for spring species ... .... For example, early bolting of Angelica sinensis affects its medicinal value, and the bolting rate of Angelica sinensis in some regions of China reaches more than 90%. Through experiments, Angelica summer sowing was changed to autumn sowing, which effectively prevented the early bolting of Angelica sinensis. The quality of Chinese medicine is related to the length of cultivation time. For example, licorice cultivated for only one year contains only 5.49% of glycyrrhizic acid and 10.52% for four years of cultivation. Different students