Color card for determining maturity level of blueberry fruit
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A color card and fruit technology, applied in the field of agricultural science and technology, can solve problems such as equipment that has not been reported in research
Inactive Publication Date: 2019-02-22
SHENYANG AGRI UNIV
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Embodiment 1
[0051] Such as Figure 1-12 The shown color card for judging the maturity level of blueberry fruit is based on the relationship between the color of blueberry fruit and fruit quality, and is established by linking the internal physiological and biochemical changes of the fruit with the external color and structural characteristics of the fruit, which can reflect the blueberry fruit. Color cards of different maturity stages, including the following steps:
[0052] (1) Select the blueberry fruits that are free from diseases, insect pests and mechanical injuries picked from April to July, and classified according to the degree of maturity, and divided into 6 categories, namely immature green fruits, green-reddish fruits that have begun to mature, and half-ripe red-banded fruits. Micro-green fruit, half-ripe red fruit, most ripe red-banded blue fruit and all ripe blue fruit; put the above-mentioned blueberry fruit into a 20°C incubator for testing; the blueberry described is the D...
Embodiment 2
[0091] The difference with embodiment 1 is:
[0092] Described blueberry is Lanfeng variety;
[0093] (2) Carry out following detection respectively, and then obtain the various indicator characteristics of the blueberry fruit of different maturity stage:
[0094] a) fruit growth index, the fruit growth index includes: transverse diameter, longitudinal diameter, quality and hardness;
[0095] Use a vernier caliper with an accuracy of 0.02mm to measure the transverse and longitudinal diameters of the fruit; the longitudinal diameters of blueberry fruits in the six mature stages of the Lanfeng variety are: 9.928±0.312a, 10.41±0.536ab, 10.548±0.289ab, 10.588 ±0.322ab, 10.936±0.788bc, 11.376±0.825c; the transverse diameters are 12.986±0.222a, 14.282±0.811b, 14.337±0.221b, 14.364±0.563b, 14.896±1.022b, 16.636±1.245c respectively; The unit of diameter and longitudinal diameter is mm;
[0096] Use one ten-thousandth balance to weigh the fruit quality; make the impact curves of dif...
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Abstract
The invention relates to the field of agricultural science and technology, in particular to a color card for determining the maturity level of blueberry fruit. The color card is established by linkinginternal physiological and biochemical change of the fruit and external color and structural features of the fruit according to the relationship between the color of the blueberry fruit and the fruitquality and capable of reflecting different maturity periods of the blueberry fruit. The blueberry fruit of different maturity levels is divided into 6 stages according to the color to serve as a research sample determine size, quality, hardness, titratable acid, soluble solid matter, pectin, total phenol, flavonoids, anthocyanin and ABA content of the blueberry fruit in different periods. The relation between the color of the blueberry fruit and the fruit quality is analyzed. The color card capable of reflecting the different maturity periods of the blueberry fruit is developed to provide atheoretical basis for selecting suitable harvesting or purchasing time. The color card succinctly reflects the maturity level of the fruit, so that a user can select the suitable fruit conveniently.
Description
technical field [0001] The invention relates to the field of agricultural science and technology, in particular to a color card for judging the maturity level of blueberry fruit. Background technique [0002] Blueberries are rich in nutrients, not only rich in conventional nutrients, but also extremely rich in flavonoids and polysaccharides, so they are also known as the "Queen of Fruits" and "King of Berries". The blueberry pulp is delicate, unique in flavor, moderately sweet and sour, and has a refreshing and pleasant aroma. However, blueberry fruit is not easy to store at room temperature. After harvesting, it can only be stored at room temperature for about 5 days. The shelf life is short and difficult to transport. Therefore, the sales range is mostly around the place of production, which is not conducive to providing sales to distant places. Therefore, choosing a suitable picking time can maximize the shelf life, and at the same time, it has little effect on the nutri...
Claims
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