WO2005082168A1 - Systeme d'enrichissement en selenium - Google Patents

Systeme d'enrichissement en selenium

Info

Publication number
WO2005082168A1
WO2005082168A1 PCT/US2004/016609 US2004016609W WO2005082168A1 WO 2005082168 A1 WO2005082168 A1 WO 2005082168A1 US 2004016609 W US2004016609 W US 2004016609W WO 2005082168 A1 WO2005082168 A1 WO 2005082168A1
Authority
WO
WIPO (PCT)
Prior art keywords
selenium
ppm
crop
buckwheat
content
Prior art date
Application number
PCT/US2004/016609
Other languages
English (en)
Inventor
Mohammad Badaruddin
Paul Belzer
Original Assignee
Minn-Dak Growers Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Minn-Dak Growers Ltd. filed Critical Minn-Dak Growers Ltd.
Publication of WO2005082168A1 publication Critical patent/WO2005082168A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/16—Inorganic salts, minerals or trace elements
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/20—Inorganic substances, e.g. oligoelements
    • A23K20/30—Oligoelements
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/105—Plant extracts, their artificial duplicates or their derivatives

Definitions

  • the present invention relates generally to selenium (Se) content in soils and crops more specifically it relates to high selenium systems for enriching the selenium contents within plant seeds grown in natural field conditions.
  • Selenium is an essential trace element for human and animal nutrition found in various crops (e.g. mustard seed, mustard sprouts, buckwheat seed, buckwheat sprouts, wheat, durum, beans and broccoli), meats, and fish.
  • the daily selenium requirement in a typical human diet is generally 55 micrograms with a maximum daily dosage of 400 meg for adult established by National Academy of Sciences in 2000.
  • Selenium is reported to be a potent antioxidant that clears the human body of free radicals and unstable oxygen molecules that can cause DNA damage which can lead to tumors.
  • Selenium has also been reported to reduce cardiovascular diseases by preventing oxidation of LDL cholesterol.
  • l Selenium has also been reported to assist and potentially benefit various other medical conditions such as arthritis, male infertility, acne, aging, age spots, Alzheimer's, angina, anxiety, asthma, cataracts, cervical displasia, glaucoma, liver cirrhosis, epilepsy, fungal infection, goiter, high blood pressure, impotence, keshan disease, mercury poisoning, muscular dystrophy, multiple sclerosis, ulcers, tuberculosis, shingles, HIV/AIDS and ringworms.
  • the selenium concentration in a food items is primarily determined by the content and availability of selenium in the soil. Overall selenium content varies from country to country.
  • selenium content within foods produced in Europe, China, Russia and many areas in the United States are relatively low.
  • Soils in the western parts of the State of North Dakota are generally rich in selenium thereby producing selenium rich food items.
  • Commonly found selenium forms in soils are selenides, elemental selenium, selenites, selenates and organic selenium.
  • Selenate and selenite are the most available forms to plants, which are generally found in well-aerated alkaline soils. Soils in the northwestern and southeastern parts of North Dakota are generally alkaline, well-aerated, and are rich in selenium.
  • the present invention provides a new high selenium system wherein the same can be utilized for enriching the selenium content within crops grown in natural field conditions.
  • the present invention generally comprises the process of identifying fields with high selenium content, growing and harvesting crops from the identified fields, sampling and testing the harvested crop, separating the high selenium portion of the harvested crop from the remaining portion for end usage, dividing the remaining portion of the harvested crop, performing a milling and fractionation process on the first group to increase selenium levels, and performing sprouting process on the second group to increase the selenium levels.
  • a primary object of the present invention is to provide a high selenium content seed and seed materials and the process therein that will overcome the shortcomings of the prior art. Another object is to provide a high selenium system that enriches the selenium content within crops grown in natural field conditions. An additional object is to provide a high selenium system that does not require the addition of fertilizers, artificial chemicals or any selenium rich materials to achieve desired selenium content. A further object is to provide a high selenium system that increases the selenium content within a harvested crop.
  • FIG. 1 is a flowchart illustrating the overall process of the present invention.
  • the invention generally includes identifying fields with high selenium content, growing and harvesting crops from the identified fields, sampling and testing the harvested crop, separating the high selenium portion of the harvested crop from the remaining portion for end usage, dividing the remaining portion of the harvested crop, performing a milling and fractionation process on the first group to increase selenium levels, and performing sprouting process on the second group to increase the selenium levels.
  • the fractionated crop and the harvested sprouts are tested for selenium and only the high selenium content material is provided for end usage.
  • the present invention uses publicly available soil selenium content maps to identify the general location of potential available high selenium fields having a selenium content of greater than or equal to 0.10 ppm. Soil samples are taken from fields randomly (unbiased) and are then tested for their available selenium contents utilizing conventional selenium testing techniques. After the fields are tested, a map may be prepared illustrating the data of the fields tested. The test data may be illustrated in various other forms including but not limited to charts, tables and the like.
  • High selenium fields are fields that have available soil selenium contents of greater than or equal to 0.10 ppm.
  • Various types of crops may be grown within the selected fields, however, the applicant prefers to utilize mustard and buckwheat crops, which are known to have high capability to accumulate soil selenium.
  • the crop is then planted within several high selenium fields. The crops are allowed to grow naturally in selected fields and are then harvested when appropriate.
  • the crops harvested from the fields are preferably harvested in distinct groups for each field, wherein each of the distinct groups is sampled and tested for their respective selenium contents.
  • any and all groups containing high selenium content are diverted for end usage (e.g. further processing, inclusion within a food product) since they contain an acceptable level of selenium. For example, if mustard seed is harvested and a tested group has 4 ppm or greater selenium content, that group of mustard seed would be used to provide a high selenium product as shown in Figure 1. If buckwheat fruit is harvested and a tested group has 0.4 ppm or greater selenium content, that group of buckwheat fruit would be used to provide a high selenium product as shown in Figure 1. The same applies to various other harvested crops.
  • the material is provided as a high selenium product for end usage.
  • the remaining material that does not have the desired selenium content is thereafter discarded or used in another process where selenium content is not required.
  • the remaining group(s) is placed through a sprouting process to increase the selenium content.
  • the low to medium selenium content seeds are converted to sprouts and then harvested utilizing well-known sprouting techniques.
  • the harvested sprouts are then tested and characterized regarding the selenium content. If the selenium content is greater than or equal to a desired level (e.g. 0.4 ppm for buckwheat, 4.0 ppm for mustard), then the material is provided as a high selenium product for end usage.
  • the remaining material that does not have the desired selenium content is thereafter discarded or used in another process where selenium content is not required.
  • the sprouting process it is, preferable to apply the sprouting process to crops having medium to high levels of selenium (e.g. 0.2 - 0.3999 ppm for buckwheat and 2 - 3.999 ppm for mustard).
  • medium to high levels of selenium e.g. 0.2 - 0.3999 ppm for buckwheat and 2 - 3.999 ppm for mustard.
  • the applicant has discovered that seeds containing higher concentrations of selenium will typically produce sprouts with higher concentrations of selenium.
  • the applicant sprouted a first group of buckwheat seed having an average selenium content of 0.26 ppm.
  • the harvested sprouts from this first group had an increased average selenium content of 0.509 ppm.
  • the harvested sprouts from this second group had an increased average selenium content of 0.832 ppm.
  • the selenium content increased significantly for both groups, however the selenium content in the second group increased by 0.215 more than the first group indicating that the desirability to sprout seeds having a medium selenium content over crops having a low selenium content.
  • High Selenium Crops and Processed Crops It is desirable and preferred to combine the high selenium harvested crops (described in Section D) with either/both the processed high selenium crops (described in Sections E and F). For example, the high selenium harvested crops identified in Section D above are combined with the high selenium crop material separated through the milling process in Section E above and/or the sprouting process in Section F above. There is no requirement as to the percentages of the high selenium harvested crop with respect to the processed high selenium crops since they all have the desired selenium content level.
  • the harvested buckwheat fruit and the processed buckwheat fruit will both have selenium levels greater than or equal to 0.4 ppm.
  • the harvested mustard seed and the processed mustard seed will both have selenium levels greater than or equal to 4.0 ppm.
  • the end product may be utilized in various manners which are well known in the food and supplement industry. What has been described and illustrated herein is a preferred embodiment of the invention along with some of its variations. The terms, descriptions and figures used herein are set forth by way of illustration only and are not meant as limitations.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Mycology (AREA)
  • Nutrition Science (AREA)
  • Inorganic Chemistry (AREA)
  • Animal Husbandry (AREA)
  • Zoology (AREA)
  • Botany (AREA)
  • Biotechnology (AREA)
  • Molecular Biology (AREA)
  • Physiology (AREA)
  • Cultivation Of Plants (AREA)

Abstract

L'invention concerne un système d'enrichissement en sélénium permettant d'augmenter la teneur en sélénium des plantes de cultures produites dans des conditions naturelles. Ce procédé consiste à identifier des champs présentant un taux de sélénium élevé, à cultiver et à récolter les plantes cultivées dans les champs ainsi identifiés, à échantillonner et à analyser les plantes récoltées, à séparer la portion de plantes présentant des taux de sélénium élevées de la portion restante en vue de l'utilisation finale, et à diviser la portion restante des plantes récoltées en deux groupes, à soumettre le premier groupe à un processus de mouture et de fractionnement afin d'augmenter les taux de sélénium, et à soumettre le second groupe à un processus de germination afin d'augmenter les taux de sélénium. Le taux de sélénium des plantes fractionnées et les germes récoltés est ensuite mesuré et seules les matières présentant une teneur en sélénium élevée sont retenues pour l'utilisation finale.
PCT/US2004/016609 2004-02-06 2004-05-26 Systeme d'enrichissement en selenium WO2005082168A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US77359404A 2004-02-06 2004-02-06
US10/773,594 2004-02-06

Publications (1)

Publication Number Publication Date
WO2005082168A1 true WO2005082168A1 (fr) 2005-09-09

Family

ID=34911315

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/016609 WO2005082168A1 (fr) 2004-02-06 2004-05-26 Systeme d'enrichissement en selenium

Country Status (1)

Country Link
WO (1) WO2005082168A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104655603A (zh) * 2015-02-10 2015-05-27 中国农业科学院农产品加工研究所 一种富硒大米的鉴别方法
CN109006105A (zh) * 2018-06-30 2018-12-18 宾川佳泓园艺有限责任公司 一种富硒硕果滇橄榄及其栽培管理方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6117462A (en) * 1998-03-12 2000-09-12 Nucycle Therapy, Inc. Nutritional supplements
US6270809B1 (en) * 1998-11-06 2001-08-07 Phytotech Inc., Nutritional supplements
US6319529B1 (en) * 1999-08-12 2001-11-20 Thompson Animal Systems, Inc. Selenium diet supplement and method of making

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6117462A (en) * 1998-03-12 2000-09-12 Nucycle Therapy, Inc. Nutritional supplements
US6270809B1 (en) * 1998-11-06 2001-08-07 Phytotech Inc., Nutritional supplements
US6319529B1 (en) * 1999-08-12 2001-11-20 Thompson Animal Systems, Inc. Selenium diet supplement and method of making

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104655603A (zh) * 2015-02-10 2015-05-27 中国农业科学院农产品加工研究所 一种富硒大米的鉴别方法
CN109006105A (zh) * 2018-06-30 2018-12-18 宾川佳泓园艺有限责任公司 一种富硒硕果滇橄榄及其栽培管理方法

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