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題 名 | 澎湖蘆薈栽培密度與蘆薈葉汁抗氧化性質之研究=Study on Plant Density of Aloe spp. and Antioxidant Properties of Their Leaf Juice |
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作 者 | 施純堅; 蔡淑瑤; 江仟琦; 毛正倫; | 書刊名 | 高雄區農業改良場研究彙報 |
卷 期 | 17:2 民95.12 |
頁 次 | 頁70-88 |
分類號 | 435.459 |
關鍵詞 | 蘆薈; 栽培密度; 產量; 品質; 葉汁; 抗氧化性質; Aloe; Planting density; Yield; Quality; Leaf juice; Antioxidant properties; |
語 文 | 中文(Chinese) |
中文摘要 | 本試驗之主要目的為探討栽培密度(株距30 公分、60 公分、90 公分與120 公分等四種處理)對澎湖種蘆薈(Aloe barbadensis Miller var. chinensis Berger.) 生長及產量之影響。結果顯示,澎湖種蘆薈之株高隨栽培密度增加而有降低的趨勢,不同的處理間差異顯著,以株距120 公分處理最好。0.5 年生至2.0 年生澎湖種蘆薈之葉寬、葉厚及葉片數等產量構成因素,處理間差異均不顯著。澎湖種蘆薈栽培一年後即可開花,資料顯示,一年生或二年生澎湖種蘆薈之花梗長度隨栽培密度增加而有降低的趨勢,澎湖種蘆薈之產量,也有相同趨勢,其中以株距90 公分之產量最高,綜此,建議澎湖種蘆薈之株距為90 公分為宜。 另將美國種(Aloe arborescens Miller)及澎湖種蘆薈依不同榨汁處理,得到全葉汁、葉皮汁、葉肉汁及煮過葉肉汁,再探討此四種葉汁之物性、一般組成及抗氧化性質分析。兩種蘆薈全葉汁及葉皮汁在搾汁收率上皆相同,但澎湖種葉肉汁(63.16%)顯著高於美國種葉肉汁(55.23%)。全葉汁和葉皮汁之可溶性固形物及導電度較高。全部蘆薈葉汁之pH 值在4.20-4.60 間,水分含量高達97.17-99.31%,及灰分含量皆在1%以下。在100%濃度時,兩種蘆薈全葉汁之抗氧化力分別高達98.17 和96.25%。在100%濃度時,美國種全葉汁之還原力最佳(1.30),而葉皮汁和全葉汁之EC50 值皆在20%以下。在50%和100%濃度時,美國種全葉汁和葉皮汁清除1,1-二苯基-2-苦味肼基 (DPPH) 之能力最強(89.92-99.39%) ,而澎湖種則以葉皮汁最強 (90.95-110.08%) 。在100%濃度時,美國種全葉汁和葉皮汁清除羥自由基之能力分別為69.92 和54.68%。在100%濃度時,澎湖種葉皮汁螯合80.28% 之亞鐵離子。綜此,建議蘆薈之利用與應用採用全葉汁。 |
英文摘要 | The main purpose of this experiment was to assess the influence of different plant density (plant spaces 30 、60、90 and 120 cm) on yield and yield characteristics of Aloe barbadensis Miller var. chinensis Berger. in Penghu. Results indicated that plant height increased as plant density declined. The highest plant was obtained from the plant space at 120 cm. There is no significantly effect on leave width, leave thickness and leave number among different plant spaces. Flower initiation of Aloe was one year after planting, and the results showed that flower stem increased as plant density increased. There is significantly effect on flower stem among different plant spaces. Yield increased as plant density increased. There is significantly effect on yield among different plant spaces. The highest yield was obtained from the plant space at 90 cm. It was suggest that the plant space of A barbadensis Miller var. chinensis Berger. is 90 cm in Penghu. The other research presented herein was to prepare juices of whole leave, cuticle, flesh and boiled flesh from A. arborescens Miller and A. barbadensis Miller var. chinensis Berger. using various pressing treatments, and to study their physicochemical properties, proximate composition and antioxidant properties. Juices of whole leaf and cuticle from two species were similar in the juice yield whereas the yield of the flesh juice from A. barbadensis Miller var. chinensis Berger. (63.16%) significantly higher that from A. arborescens (55.23%). Juices of whole leaf and cuticle were high in soluble solids and conductivity. The pH value of all aloe leaf juices ranged from 4.20-4.60, their moisture contents were high to 97.17- 99.31%, and all ash contents were less than 1%. Overall, it was suggested that the utilization and application of aloe should use the whole leaf juice. |
本系統中英文摘要資訊取自各篇刊載內容。