Breeding method and preparation method of new variety of health-care boxthorn leaf tea

Abstract

The invention discloses a breeding method and a preparation method of a new variety of health-care boxthorn leaf tea. A squashing technique is adopted for cytological observation; an over-parent heterosis method and an over-contrast dominant method are utilized to determine the growth advantages of the leaf area, the leaf thickness and the stem diameter of a mutant, the length of an edible part and the fresh weight of tender stems and leaves; a region production testing method is adopted to determine the yield performance of the new variety; a disease index method is used for identification of disease resistance; a semimicro kjeldahl method is adopted to determine the content of crude protein; a Soxhlet extraction method is utilized to determine the content of crude fat; an atomic absorption method is used for determining the contents of calcium, potassium, magnesium, sodium, phosphorus, copper, iron and the like; a fluorescence spectrophotometry is adopted to determine the content of selenium; an L-8500A amino acid analyzer is adopted to determine the content of amino acid; an ultrasonic extraction method is utilized to determine the contents of lycium barbarum polysaccharide and flavone; a spectrophotometer is used for determining the content of glycine betaine; the bred multiploid new variety has strong growth vigor, stable hereditary, super high yield, strong root rot resistance, high nutrition and good medicine quality, and the produced boxthorn leaf tea has high quality.

Description

technical field [0001] The invention belongs to the technical field of wolfberry leaf tea production, and in particular relates to a breeding method for a new variety of wolfberry leaf tea for health care and a preparation method thereof. Background technique [0002] Lycium barbarum leaf is a Chinese herbal medicine that nourishes and strengthens the body. It is called "Tianjingcao" in traditional Chinese medicine. "Compendium of Materia Medica" writes: "The medicinal properties of wolfberry leaves are bitter, sweet, and cool, and they can remove heat from the heart and lungs of Shangjiao." It is written in "On the Properties of Medicine": Lycium barbarum leaves are "sweet and flat, can nourish the deficiencies of essence, change color, turn white, improve eyesight, and calm the nerves." "Diet Therapeutic Materia Medica" writes: Lycium barbarum leaves "strengthen essence and endure aging, remove wind, nourish essence and bones, benefit people, and eliminate fatigue." "Chin...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the embodiments of the present invention is to provide a breeding method for a new variety of wolfberry leaf tea for health care, cultivation technology and preparation method of wolfberry leaf tea, aiming to solve the problem that there is no suitable ultra-high-yield and high-quality wolfberry leaf tea in my country. It is difficult to guarantee the special cultivars and yield, which hinders the industrial development of wolfberry leaf tea

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