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Longan

Fruit & berry· tropical fruit

Longan

What it is

Longan is the fruit of Dimocarpus longan, a tree related to lychee, native to South and Southeast Asia.

What it tastes like

On the nose: acid, sweet; the house adds musky, floral ✳.

What goes with it

27 more go with it. See them all in the full library →

Salt and acid

Salt

0 mgAsian pear10 mgCinnamon100 mgFennel seed1,000 mgOlive10,000 mgFish sauce

Sodium 0 mg per 100 g — the library's own composition sheet.

Acid

Acid not measured yet.

Unusual pairings

Pairs the library can cite that almost nobody makes.

8 of 25 compounds on file carry a paper the library can cite.

  • γ-aminobutyric acidtasteacidMeasured in 2 of 338 ingredients.cite
    one of eight predominant free amino acids in longan pulp (see Glu entry for the shared aggregate figures) — Hu et al. 2021, Biology (Conclusion; Results, predominant FAAs list)
  • hydroxyprolinetasteacidMeasured in 1 of 338 ingredients.cite
    one of eight predominant free amino acids in longan pulp (see Glu entry for the shared aggregate figures) — Hu et al. 2021, Biology (Conclusion; Results, predominant FAAs list)
  • L-alaninetasteacidreads as sweet taste (PubChem)Measured in 3 of 338 ingredients.cite
    one of eight predominant free amino acids in longan pulp (see Glu entry for the shared aggregate figures); the paper reports Ala content significantly higher in aroma-type cultivar XC than in SX or LDB during stages S2-S4 — Hu et al. 2021, Biology (Conclusion; Results, predominant FAAs list; also singled out in the abstract as significantly elevated in the strong-aroma 'Xiangcui' cultivar during rapid fruit expansion)
  • L-serinetasteacidreads as sweet (PubChem)Measured in 3 of 338 ingredients.cite
    one of eight predominant free amino acids in longan pulp (see Glu entry for the shared aggregate figures) — Hu et al. 2021, Biology (Conclusion; Results, predominant FAAs list)
  • L-aspartic acidtasteacidreads as sour (PubChem)Measured in 9 of 338 ingredients.cite
    one of eight predominant free amino acids in longan pulp (see Glu entry for the shared aggregate figures) — Hu et al. 2021, Biology (Conclusion; Results, predominant FAAs list)
  • L-leucinetasteacidMeasured in 3 of 338 ingredients.cite
    one of eight predominant free amino acids in longan pulp (see Glu entry for the shared aggregate figures); Leu content was significantly higher in aroma-type cultivar XC than SX or LDB during rapid fruit expansion (S2-S4), and Leu content in XC was reported as 2.1x the average across 80 longan genotypes in the authors' prior work, cited in this paper's Discussion — Hu et al. 2021, Biology (Conclusion; Results, predominant FAAs list; also the paper's main subject as the BCAA whose synthesis genes (DilBCAT1/6/9/16) were profiled)
  • L-argininetasteacidMeasured in 3 of 338 ingredients.cite
    one of eight predominant free amino acids in longan pulp (see Glu entry for the shared aggregate figures) — Hu et al. 2021, Biology (Conclusion; Results, predominant FAAs list)
  • L-glutamic acidtasteacidreads as umami sour taste (PubChem)Measured in 7 of 338 ingredients.cite
    one of eight amino acids the paper names as predominant free amino acids in longan pulp through fruit development to ripeness, together accounting for 62.28-92.05% of total FAA content (1619.9-7213.9 mg/kg); individual per-compound values are in Figure 1 (chart image) and Supplementary Table S1, neither machine-extractable from the saved record — Hu et al. 2021, Biology (Conclusion; Results, predominant FAAs list)

On file, no cited source yet ✳

These molecules are on record for it from the library's earlier sources. We are buying and requesting the papers; each one that lands moves its molecule up into the cited list.

  • (2R)-2-hydroxy-N-[(2S,3R,4E,8E)-3-hydroxy-1-{[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}octadeca-4,8-dien-2-yl]hexadecanimidic acidacid
  • 8-[(1R,2S)-2-octylcyclopropyl]octanoic acidacid
  • (3S,8R,9R,10R,13R,14R,17R)-17-[(2R,5R)-5-ethyl-6-methylheptan-2-yl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-olterpenoid
  • epi-Friedelanolterpenoid
  • proanthocyanidin A2flavonoid
  • (3S,8R,9R,10R,13R,14R,17R)-17-[(E,2S,5S)-5-ethyl-6-methylhept-3-en-2-yl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-olterpenoid
  • ethyl gallateester
  • inosinenitrogen compound
  • (2R)-2-hydroxy-N-[(2S,3R,4E,8Z)-3-hydroxy-1-{[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}octadeca-4,8-dien-2-yl]hexadecanimidic acidacid
  • (2S,4S)-2-amino-4-(hydroxymethyl)hex-5-ynoic acidacid
  • 2-ethyl-3,4,5-trihydroxybenzoic acidphenol
  • adenosine cyclic phosphatenitrogen compound
  • adenosine monophosphatenitrogen compound
  • protocatechuic acidacid
  • (−)-epicatechinphenol
  • Momorcerebroside Iacid
  • (2S,4R)-2-amino-4-methylhex-5-ynoic acidacid

Sources

  • Hu et al. 2021, Biology
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