First, the principle and method

PPO catalyzes the oxidation of various phenols and O2 to hydrazine. In this experiment, catechol was used as a substrate. In a reaction system of 0.2 M disodium hydrogen phosphate-0.1 M citrate buffer pH 5.8, PPO catalyzed the formati…

In winter, the temperature is low, the light is less, the leek grows slowly, the stem thin leaves are thin, and the yield is low. If the leaves are sprayed once every 7-10 days in winter, 0.1% magnesium sulfate, 0.2% urea, 0.3% potassium dihydrogen phosphate, 800 times humic acid active liquid…

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Plant morphology

Upright shrubs, up to 2 meters. Stem stout, 9 mm in diameter, terete, branched above, glabrous. Stipules spiny, petiole 3-6 mm long; leaf blade oblong to oblong-lanceolate, 6-14 cm long, 2-5 cm wide, apex acute, bas…

Each discussion

1. "Compendium of Materia Medica": The eye of Qing Zizi cures the eye, and the cassia seed, is the same as the cassia seed. Although the "Ben Jing" does not speak of governing the eye, and Yun Cao…

Modern research

Main components

Contains fatty oil, rich potassium nitrate and nicotinic acid.

Clinical report

1. Take 30g of green w…

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If you buy scallops, how do you pick, save, and grow?

First of all, we must look at the size of scallops. In general, the bigger the size, the more expensive it is. According to the diameter, the difference between the largest and t…

Pepper, alias pepper, pepper, green pepper, blue pepper, mountain pepper, dog pepper, pickled pepper, red pepper, red pepper, Dahongpao. Pepper can be planted and protected as a hedge. Peels can be used as seasonings, aromatic oils can be extracted, and they can be used as medicine. The seeds c…

Taizishen is a member of the family Caryophyllaceae. Dry tubers. Mainly produced in Fujian, Jiangsu, Shandong, Anhui and other places. Among them, Taizi ginseng produced in Fujian Rongrong County is best known. In 1985, it was formally included in the "Chinese…