NUTRITIONAL COMPOSITION OF ANTHESISING MALE INFLORESCENCE OF OIL PALM Elaeis guineensis ESSENTIAL FOR DEVELOPMENT OF Elaeidobius kamerunicus Faust: FIRST REPORT

IF 1.3 4区农林科学 Q2 Agricultural and Biological Sciences

Journal of Oil Palm Research Pub Date : 2023-06-22 DOI:10.21894/jopr.2023.0027

Muhamad Haziq Hadif Zulkefli

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Abstract

Rearing of Elaeidobius kamerunicus, the pollinator of oil palm, requires the anthesising male inflorescence of oil palm as the breeding and feeding ground. Various studies have reported on the weevils utilising the male inflorescence as feed to sustain its development. However, for routine rearing, the use of male inflorescence is inconvenient as it has to be continuously collected from the field. Thus, this pioneering study was conducted to determine the nutritional composition of anthesising male inflorescence of oil palm (Elaeis guineensis Jacq.) which is essential for E. kamerunicus life development. First, proximate analysis was performed to determine the nutritional composition of anthesising male inflorescence. Next, the nutritional profiles of amino acids, fatty acids and carbohydrates were determined and analysed separately. The average proximate analysis of anthesising male inflorescence of oil palm recorded a high moisture content of 75%, followed by carbohydrate, protein, fat and ash. The amino acid profile revealed the presence of 18 amino acids with lysine having the highest content. The spikelet also recorded a total of 32 fatty acids with oleic acid recording the highest value. Nevertheless, the carbohydrate profile was not determined as its presence was in trace amount only. This study provided new knowledge and reference standard on the nutritional composition of anthesising male inflorescence of oil palm that is essential for

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油棕棕雄性合成花序的营养成分对kamerunicus Faust发育至关重要

油棕传粉昆虫油棕的培育需要油棕开花的雄性花序作为繁殖和觅食地。各种研究报告了象鼻虫利用雄性花序作为饲料来维持其发育。然而，对于常规饲养，雄性花序的使用是不方便的，因为它必须从田地里连续收集。因此，本项开创性研究旨在确定油棕（Elaeis guineensis Jacq.）开花雄性花序的营养成分，这对油棕的生命发育至关重要。首先，对开花雄性花序的营养成分进行了近似分析。接下来，分别测定和分析了氨基酸、脂肪酸和碳水化合物的营养成分。油棕开花雄性花序的平均接近分析表明，水分含量高达75%，其次是碳水化合物、蛋白质、脂肪和灰分。氨基酸图谱显示存在18个氨基酸，赖氨酸含量最高。小穗还记录了总共32种脂肪酸，其中油酸记录的值最高。然而，由于碳水化合物仅以微量存在，因此并未确定碳水化合物的分布。本研究为油棕榈开花雄性花序的营养成分提供了新的认识和参考标准

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来源期刊

Journal of Oil Palm Research 农林科学-食品科技

CiteScore

2.60

自引率

30.80%

发文量

审稿时长

>12 weeks

期刊介绍： JOURNAL OF OIL PALM RESEARCH, an international refereed journal, carries full-length original research papers and scientific review papers on various aspects of oil palm and palm oil and other palms. It also publishes short communications, letters to editor and reviews of relevant books. JOURNAL OF OIL PALM RESEARCH is published four times per year, i.e. March, June, September and December.