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A method for increasing fatty acid content in peony seeds

A fatty acid and peony technology, applied in the direction of fat production, fat oil/fat production, agriculture, etc., can solve the problems of dry and cracked grains, high cost, production reduction, etc., achieve high yield, maintain yield, and facilitate accumulation

Active Publication Date: 2020-08-28
QINGDAO AGRI UNIV
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  • Claims
  • Application Information

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Problems solved by technology

Therefore, it is theoretically possible to pick peony pods at the time when the fatty acid content is high. However, because the pods are relatively dry at this time, they are prone to dryness and cracks, resulting in reduced grain production. Therefore, traditional production harvests the seeds earlier than the theoretical picking time, but when? Harvesting, if the cost of low-temperature storage at 4°C is high after harvesting, storage at room temperature can reduce production costs, but how many days of storage at room temperature will have the highest fatty acid content is still blank in production

Method used

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  • A method for increasing fatty acid content in peony seeds
  • A method for increasing fatty acid content in peony seeds
  • A method for increasing fatty acid content in peony seeds

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Embodiment 1 Fengdan seed morphology observation and moisture content determination

[0014] Peony enters the mixed bud germination stage in early March, and pollination occurs in mid-to-late April. The pods have begun to develop 10 days after pollination, and are basically formed by 40 days (see figure 1 ), but the seed kernels have been developed until 70 days before they are basically finalized (see figure 1 ); the size and shape of the seeds vary with the increase of the longitudinal and transverse diameters of the seeds (see figure 2 ), the pod weight is also constantly increasing and changing (see Table 1). According to the weight of fruit clips (10 pieces), 100-seed weight, longitudinal and transverse diameter of seeds in each period, the seed development process can be roughly divided into 4 periods: initial stage of seed development, period of rapid seed growth, period of slow seed growth and seed discoloration Expect.

[0015] The test materials were take...

Embodiment 2

[0023] The determination of fatty acid content of the seeds of embodiment 2 Fengdan

[0024] The test materials were taken from the seeds of healthy plants of the peony variety 'Fengdan' (Paeoniaostii T.Hong et J.X.Zhang) aged 7-8 years (planted in the experimental field of Qingdao Agricultural University in Shandong Province). After the peony bloomed, artificial pollination was carried out, and the seeds were bagged. For treatment, pods were taken 100 days after pollination, and then every 10 days until 130 DAP was terminated. The grains harvested at 100-130 DAP were stored at room temperature, and the peony seeds harvested at the same period without storage at room temperature were used for the determination of fatty acid content.

[0025] Preparation of standard solution

[0026] Preparation of internal standard solution: Dissolve 30 mg of methyl nonadecanoate (Methyl nonadecanoate) standard product in 10 mL of methanol to prepare a standard solution with a mass concentrat...

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Abstract

The invention discloses a method for increasing fatty acid content of peony seeds and belongs to the technical field of agricultural planting. The method comprises taking fruit pods in 100th day after peony pollination, storing the picked fruit pods at the normal temperature for 30 days and then squeezing oil of the fruit pods, wherein at the moment, the total oil content of the fruit pods is highest and the unsaturated fatty acid content is highest. The method guarantees harvest of peony seeds before fruit pod cracking, keeps a high yield, is conducive to fatty acid accumulation and especially to the accumulation of unsaturated fatty acid, effectively increases fatty acid content and linolenic acid content and improves economic benefits for growers.

Description

technical field [0001] The invention belongs to the technical field of agricultural planting, and in particular relates to a method for increasing the fatty acid content of peony seeds. Background technique [0002] Peony has high ornamental value and medicinal value, such as peony root, which has the functions of promoting blood circulation and clearing away heat. Research in recent years has found that peony can also be developed and utilized as a woody grain and oil plant resource, improving the overall utilization rate of peony and its added value, and building a health industry centered on peony with high economic, ecological and social benefits. The seed oil extracted from peony seed kernels passed the toxicological safety evaluation, and was approved by the Ministry of Health as a new resource food on March 22, 2011, making peony seed oil one of the edible oils. The peony seed oil industry is developing rapidly, and the upsurge of national oil peony industry developm...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B1/04A01G17/00A23B7/00
CPCA23B7/00C11B1/04
Inventor 张玉喜盖树鹏
Owner QINGDAO AGRI UNIV
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